CN223032894U - Rotary platform with replacement tool - Google Patents
Rotary platform with replacement tool Download PDFInfo
- Publication number
- CN223032894U CN223032894U CN202421994557.7U CN202421994557U CN223032894U CN 223032894 U CN223032894 U CN 223032894U CN 202421994557 U CN202421994557 U CN 202421994557U CN 223032894 U CN223032894 U CN 223032894U
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- platform
- plate
- base
- support
- slewing bearing
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Abstract
The utility model provides a rotary platform with a replacement tool, which is arranged on a base of a crane, wherein a jacking mechanism is fixedly arranged on the base, the jacking mechanism comprises a base and a jack, the base is fixedly connected with the base, the jack is fixedly connected with the base, the rotary platform comprises a conveying mechanism and a fixing plate, the conveying mechanism comprises a bracket, a supporting plate and a guide rail, the guide rail is detachably connected with the bracket, one end of the fixing plate is fixedly connected with the jack, the other end of the fixing plate is detachably connected with the bracket, and the bracket is fixedly connected with the supporting plate, convenient to adjust, simple in structure, safe and reliable.
Description
Technical Field
The utility model relates to the technical field of crane replacement tools, in particular to a rotary platform with a replacement tool.
Background
The slewing platform is an important part for realizing the slewing function in the crane, the slewing platform is connected with the base through the slewing bearing, the crane is used in a plurality of industries such as construction, manufacturing and transportation at present, the crane is an important material handling device, the slewing bearing is used for a long time, when the slewing bearing of the crane on a ship needs to be replaced under the condition of abrasion, and after the slewing platform is separated from the base by using the jack, a stable platform is needed to transport the old slewing bearing out and then transport the new slewing bearing back to the slewing platform.
For example, patent application number 202110109607.3 and publication day 2021.04.30 disclose a tool and a method for replacing a slewing bearing of a bucket wheel machine. The lifting device comprises a lifting device and a screw rod, wherein the bottom of the lifting device is fixed on the upper part of a door seat frame, the lifting device lifts a rotary platform, a support is arranged at the bottom of the screw rod and fixed on the upper part of the door seat frame, the screw rod penetrates through the rotary platform, the screw rod is respectively connected with an upper adjusting nut and a lower adjusting nut by taking the rotary platform as a boundary in a threaded manner, and the equipment is not required to be removed, so that the aim of replacing the rotary bearing is fulfilled, the replacement time and cost are saved, and the lifting device is safe and reliable.
According to the above document, after the jack lifts the rotary platform to a preset position, a rotary support slideway is formed at a position where the rotary support needs to be pulled out, then the rotary support is pulled out outwards, in the outwards pulling process, the slideway only carries the rotary support, two sides of the slideway and one side far away from the rotary platform do not limit the transverse and longitudinal operation of the rotary support, and the rotary support easily exceeds an expected movement track in the sliding process, so that accidents occur.
Disclosure of Invention
The utility model provides a rotary platform with a replacement tool, which is convenient to adjust, simple in structure, safe and reliable.
In order to achieve the purpose, the technical scheme is that the rotary platform with the replacement tool is arranged on a base of a crane, the base is fixedly provided with a lifting mechanism, the lifting mechanism comprises a base and a jack, the base is fixedly connected with the base, the jack is fixedly connected with the base and comprises a conveying mechanism and a fixing plate, the conveying mechanism comprises two supports, more than two supporting plates and a guide rail, one end of the guide rail is arranged on the base, the other end of the guide rail is detachably connected with the supports, one end of the fixing plate is fixedly connected with the bottom of the jack, the other end of the fixing plate is detachably connected with the supports, two ends of the more than two supporting plates are respectively connected with the two supports, two sides of the two supports, which are positioned on the conveying mechanism, are respectively provided with a vertical plate, and a limiting plate is arranged between the two supports.
When the slewing bearing is required to be replaced, the lifting mechanism lifts the slewing bearing to a preset position, when the slewing bearing is required to be pulled out, the guide rail can be extended into the base, one end of the bracket is connected with the fixing plate, the slewing bearing is dismounted and falls onto the guide rail, the chain block can be arranged on the bracket to pull out the slewing bearing, the bracket and more than two supporting plates can provide guiding function for the slewing bearing, when the slewing bearing moves on the bracket, the two sides of the slewing bearing are limited through the vertical plates, the sliding position of the slewing bearing on the conveying mechanism is limited through the limiting plates, one end and two sides of the slewing bearing slide out of the conveying mechanism are placed, the reliability of sliding is ensured, when the slewing bearing reaches the preset position, the slewing bearing is fixed on the bracket, then the other end of the fixing plate is dismounted from one end of the bracket, the bracket is dismounted to a proper position, the old slewing bearing is dismounted, the slewing bearing is replaced by a new slewing bearing, when the bracket returns to the original position, the slewing bearing is mounted in the slewing bearing, the slewing bearing is completed, the slewing bearing is conveniently adjusted, the slewing bearing is replaced, the slewing bearing can be provided with a slideway, the slewing bearing can move along a preset track, the slewing bearing can be prevented from moving beyond the preset carrier, the supporting frame, the moving range can be prevented from being controlled, and the slewing bearing can not move beyond the transverse range, and the slewing bearing can be controlled.
Further, a first inclined plate is further arranged between the platform and the vertical plate, one side edge of the first inclined plate is connected with the platform, the other side edge of the first inclined plate is connected with the vertical plate, and one side edge of the first inclined plate is perpendicular to the other side edge of the first inclined plate.
Above setting is provided with first swash plate between platform and the riser and can provides extra support for the riser, reinforcing overall stability.
Further, a second inclined plate is further arranged below the platform and the support, one side edge of the second inclined plate is connected with the platform, the other side plate of the second inclined plate is connected with the vertical plate, and one side edge of the second inclined plate is perpendicular to the other side edge of the second inclined plate.
Above setting, the second swash plate can effectively disperse the stress that the platform received, can strengthen the anti-capsizing of platform, improves the platform bearing capacity, guarantees that the platform does not take place deformation when slewing bearing removes to improve the stability of structure.
Further, the limiting plate is arranged above the platform, and the upper end face of the limiting plate is flush with the upper end face of the vertical plate.
The limiting plate can limit the longitudinal position of the slewing bearing, effectively control the movement range of the slewing bearing on the platform, prevent the slewing bearing from exceeding the preset position to cause safety accidents, and improve the safety of equipment.
Further, one end of the platform, which is far away from the rotary platform, is vertically provided with a lifting lug, and one end of the platform, which is close to the rotary platform, is transversely provided with a lifting lug.
Above setting, the lug can set up a hoisting point for the hoist, uses the lug can prevent rope or other lifting device direct with by the article friction or collision of hanging, can ensure to keep stable at the hoist and mount in-process equipment, and is close to the one end of revolving platform and transversely is provided with the lug, prevents the lug to the gliding influence of slewing bearing.
Further, the upper end of the supporting plate is also connected with the lower part of the platform.
The support plate is also connected with the lower part of the platform, so that the bearing capacity of the platform is improved, and the movement track of the slewing bearing on the platform is ensured.
Further, more than two support columns are arranged between the two supports, and two ends of each support column are respectively connected with the lower ends of the supports.
The support column can effectively disperse stress between the two supports, stress concentration on specific points is avoided, structural deformation or damage caused by uneven stress is reduced, the support bearing capacity is improved, the support is ensured not to generate structural deformation when the slewing bearing is moved, and therefore stability is improved.
Further, be provided with the mounting hole on the fixed plate, the support is close to the one end of revolving stage and is provided with the first mounting hole that corresponds with the mounting hole, and the bolt passes mounting hole and first mounting hole realization detachable connection.
Above setting, through mounting hole, first mounting hole and bolted connection's mode, conveniently realize dismantling the connection.
Further, more than two supporting plates are arranged at intervals.
The above arrangement facilitates the binding and fixing of the slewing bearing through the interval between the two supporting plates.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is an enlarged view of the utility model at a.
Fig. 3 is a partial top view of the base and transport mechanism of the present utility model.
Fig. 4 is another view of the rotary platform, jack and transport mechanism of the present utility model.
Fig. 5 is an enlarged view at B in fig. 4.
FIG. 6 is a schematic view of the crane and carriage of the present utility model in operation.
The reference numerals are used for describing 1-bracket, 10-first mounting hole, 11-vertical plate, 12-first sloping plate, 13-platform, 14-second sloping plate, 15-limiting plate, 16-supporting column, 17-guide rail, 18-lifting lug, 2-base, 21-jack, 211-trimming, 3-fixing plate, 311-mounting hole, 4-supporting frame and 5-slewing bearing.
Detailed Description
As shown in fig. 1-5, a rotary platform with a replacement tool is arranged on a base 2 of a crane, the base 2 is fixedly provided with a lifting mechanism, the lifting mechanism comprises a base and a jack 21, the base is fixedly connected with the base 2, a slewing bearing 5 is arranged between the rotary platform and the base, the bottom of the jack 21 is fixedly connected with the base, the rotary platform comprises a conveying mechanism and a fixing plate 3, the conveying mechanism comprises a support 1, a support plate and a guide rail 17, the guide rail 17 is detachably connected with the support 1, one end of the fixing plate 3 is fixedly connected with the jack 21, the other end of the fixing plate 3 is detachably connected with the support 1, and the support 1 is fixedly connected with the support plate. When the slewing bearing 5 needs to be replaced, when the slewing bearing 13 is lifted to a preset position by the lifting mechanism, when the slewing bearing 5 needs to be pulled out, the guide rail 17 can be stretched into the base 2, the slewing bearing is detached and falls onto the guide rail 17, the slewing bearing 5 can be pulled out by arranging a chain block on the support 1, the support 1 can provide a guiding function for the slewing bearing 5, when the slewing bearing 5 reaches the preset position, the slewing bearing 5 is fixed on the support 1, the support 1 is moved to a proper position, the old slewing bearing 5 is detached and replaced by the new slewing bearing 5, and when the support 1 returns to the original position, the slewing bearing 5 is conveyed into the slewing bearing 13, so that the replacement of the slewing bearing 5 is completed.
As shown in fig. 2, the support 1 is provided with a platform 13, a riser 11 is arranged above the platform 13, more than two first inclined plates 12 are further arranged between the platform 13 and the riser, one side edge of the first inclined plate 12 is connected with the riser 11, the other side edge of the first inclined plate 12 is connected with the platform 13, one side edge of the first inclined plate 12 is vertically arranged with the other side edge, more than two second inclined plates 14 are further arranged below the platform 13 and the support 1, one side edge of the second inclined plate 14 is connected with the platform 13, the other side edge of the second inclined plate 14 is connected with the outer side surface of the support 1, one side edge and the other side edge of the second inclined plate 14 are vertically arranged, in this embodiment, the support 1 is of a plate body structure, the thickness of the plate body close to one end support 1 of the rotary platform is smaller than that of the plate body far away from one end support 1 of the rotary platform, the more than two first inclined plates 12 are arranged at intervals along the extending direction of the platform 13, the more than two second inclined plates 14 are arranged at intervals along the extending direction of the platform 13, the platform 13 on the support 1 is provided with more than two second inclined plates 14, the rotary support 5, the platform 5 is provided with the rotary support 5, the preset rotary support 5 can move, the rotary support 5 can not move beyond the vertical support 5, and can be controlled to bear the movement, the movement of the vertical support 5, and can be prevented from being deflected by the vertical support 5, and can be controlled by the movement, and can be controlled by the vertical support 5, and can be provided, and can not bear the movement, and can be stably and can be set.
The second inclined plate 14 can effectively disperse the stress born by the platform 13, can strengthen the anti-overturning property of the platform 13, improves the bearing capacity of the platform 13, ensures that the platform 13 does not deform when the slewing bearing 5 moves, thereby improving the stability of the structure, the platform 13 is provided with the limiting plate 15, the limiting plate 15 can limit the longitudinal position of the slewing bearing 5, effectively control the movement range of the slewing bearing 5 on the platform 13, prevent the slewing bearing 5 from exceeding the preset position to cause safety accidents, and improve the safety of equipment.
As shown in fig. 3, the two brackets 1 are connected through a supporting plate 19, the supporting plate 19 is arranged below the platform 13, two ends of the supporting plate 19 are respectively connected with the two brackets 1, so that the structural integrity is enhanced, the supporting plate 19 can bear larger load, and meanwhile, the supporting plate 19 is also connected below the platform 13, so that the bearing capacity of the platform 13 is improved, and the movement track of the slewing bearing 5 moving on the platform 13 is ensured.
The support columns 16 are further arranged between the two supports 1, the support columns 16 can effectively disperse stress between the two supports 1, stress concentration on specific points is avoided, structural deformation or damage caused by uneven stress is reduced, the bearing capacity of the supports 1 is improved, the supports 1 cannot be deformed in structure when the slewing bearing 5 is moved, and therefore stability is improved.
As shown in fig. 4 and 5, the bottom of the jack 21 is provided with a side 211, one end of the fixing plate 3 is fixed on the side 211, the other end of the fixing plate 3 is detachably connected with the bracket 1, in this embodiment, one end of the fixing plate 3 is welded with the side 211, a mounting hole 311 is provided at the other end of the fixing plate 3, a first mounting hole 10 corresponding to the mounting hole 311 is provided on the bracket 1, and the detachable connection is realized by arranging a bolt in the mounting hole 311 and the first mounting hole 10.
One end of the support 1, which is far away from the rotary platform, is vertically provided with lifting lugs 18, one end of the support, which is close to the rotary platform, is transversely provided with more than two lifting lugs 18, and the lifting lugs are used for being connected with a crane to lift the conveying mechanism.
As shown in fig. 5, when the slewing bearing 5 needs to be replaced, the support frame 4 is mounted in advance in the moving direction of the slewing bearing 5.
When the slewing bearing 5 needs to be replaced, a supporting frame 4 is installed in the moving direction of the slewing bearing 5 in advance, a jack 21 lifts a slewing platform 13 to a preset position, a crane stretches a guide rail 17 into a base 2, a support 1 is arranged on the supporting frame 4, one end of a fixed plate 3 is connected with the jack 21, the other end of the fixed plate 3 is connected with the support 1 through bolts installed on an installation hole 311 and a first installation hole 10, at the moment, the slewing bearing 5 is dismounted onto the guide rail 17, a chain is arranged on the support 1 to pull out the slewing bearing 5 horizontally, the slewing bearing 5 slides on a platform 13, the transverse limit of the slewing bearing 5 is completed by utilizing a vertical plate 11, the limiting plate 15 on the support 1 is used to complete the longitudinal limit of the slewing bearing 5, when the slewing bearing 5 reaches the limiting plate 15, the slewing bearing 5 is bound and fixed on the support 1 in a mode through an external rope, the other end of the fixed plate 3 is connected with the support 1, the crane is connected with the support 1 to realize that the old support 1 is dismounted to a proper position, the slewing bearing 5 is dismounted, a new support 5 is dismounted from the support 1 is dismounted, a new support 1 is dismounted from the support 1 is mounted on the guide rail 17, a chain is arranged on the support 1, the slewing bearing is connected with the support 1 by the crane, the slewing bearing is connected with the other end of the support 1 by the support 1, the base 13 is slowly, the slewing bearing is connected with the slewing bearing 1 by the support 1, the slewing bearing is connected with the support 1 by the lifting frame 3, the position by the lifting frame is slowly, and the support is connected with the support 1 by the lifting frame 3, the position by the lifting frame is connected to the position by the lifting frame 2, and the position, the position is fixed to the position is in the position, and the position is in the position, and is in the position.
Claims (8)
1. The rotary platform with the tool replacing function is arranged on a base of a crane, a jacking mechanism is fixedly arranged on the base, the jacking mechanism comprises a base and a jack, the base is fixedly connected with the base, the jack is fixedly connected with the base, the rotary platform is characterized by comprising a conveying mechanism and a fixing plate, the conveying mechanism comprises two supports, more than two supporting plates and a guide rail, one end of the guide rail is arranged on the base, the other end of the guide rail is detachably connected with the supports, one end of the fixing plate is fixedly connected with the bottom of the jack, the other end of the fixing plate is detachably connected with the supports, two ends of the more than two supporting plates are respectively connected with the two supports, vertical plates are respectively arranged on two sides of the conveying mechanism, and a limiting plate is arranged between the two supports.
2. The rotating platform with the replacement tool of claim 1, wherein a first inclined plate is further arranged between the platform and the vertical plate, one side edge of the first inclined plate is connected with the platform, the other side edge of the first inclined plate is connected with the vertical plate, and one side edge of the first inclined plate is perpendicular to the other side edge of the first inclined plate.
3. The rotating platform with the replacing tool as set forth in claim 1, wherein a second inclined plate is further arranged below the platform and on the support, one side edge of the second inclined plate is connected with the platform, the other side edge of the second inclined plate is connected with the vertical plate, and one side edge of the second inclined plate is perpendicular to the other side edge of the second inclined plate.
4. The rotating platform with the replacement tool of claim 1, wherein the limiting plate is arranged above the platform, and the upper end face of the limiting plate is flush with the upper end face of the vertical plate.
5. The rotating platform with the replacing tool as set forth in claim 1, wherein the lifting lug is vertically arranged at one end of the platform far away from the rotating platform, and the lifting lug is transversely arranged at one end of the platform near the rotating platform.
6. The rotating platform with the replacement tool of claim 1, wherein the upper end of the supporting plate is further connected with the lower part of the platform.
7. The rotary platform with the replacement tool of claim 1, wherein more than two support columns are further arranged between the two supports, and two ends of each support column are respectively connected with the lower ends of the supports.
8. The rotating platform with the replacing tool as set forth in claim 1, wherein the fixing plate is provided with a mounting hole, one end of the bracket, which is close to the rotating platform, is provided with a first mounting hole corresponding to the mounting hole, and the bolt penetrates through the mounting hole and the first mounting hole to realize detachable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421994557.7U CN223032894U (en) | 2024-08-16 | 2024-08-16 | Rotary platform with replacement tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421994557.7U CN223032894U (en) | 2024-08-16 | 2024-08-16 | Rotary platform with replacement tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223032894U true CN223032894U (en) | 2025-06-27 |
Family
ID=96125087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421994557.7U Active CN223032894U (en) | 2024-08-16 | 2024-08-16 | Rotary platform with replacement tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223032894U (en) |
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2024
- 2024-08-16 CN CN202421994557.7U patent/CN223032894U/en active Active
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