CN220334617U - Crane slewing mechanism - Google Patents
Crane slewing mechanism Download PDFInfo
- Publication number
- CN220334617U CN220334617U CN202322090223.9U CN202322090223U CN220334617U CN 220334617 U CN220334617 U CN 220334617U CN 202322090223 U CN202322090223 U CN 202322090223U CN 220334617 U CN220334617 U CN 220334617U
- Authority
- CN
- China
- Prior art keywords
- wall
- slewing
- slewing bearing
- gear
- protection casing
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- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 239000010687 lubricating oil Substances 0.000 claims description 30
- 239000003921 oil Substances 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 2
- 238000005461 lubrication Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model discloses a crane slewing mechanism, which relates to the technical field of cranes and comprises a slewing lower support, wherein a slewing bearing is movably arranged on the outer wall of the top of the slewing lower support, a slewing upper support is arranged on the outer wall of the top of the slewing bearing, a protective cover is fixedly arranged on the outer wall of the slewing upper support, the slewing bearing is positioned in an inner cavity of the protective cover, a fixed shell is fixedly arranged on the outer wall of the side face of the slewing upper support, and a driving motor is fixedly arranged on the outer wall of the top of the fixed shell. According to the utility model, the driving motor drives the driving gear to rotate, so that the slewing bearing is driven to rotate by meshing of the driving gear and the slewing bearing, and when the slewing bearing rotates, the slewing bearing and the driving gear are protected in a totally-enclosed manner by the protection cover and the gear protection cover at the bottom of the fixed shell, so that the effects of preventing dust and foreign matters from entering the slewing bearing and ensuring normal operation of the gear and the slewing bearing are achieved when the slewing bearing and the gear operate in an outdoor complex environment.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a crane slewing mechanism.
Background
The slewing mechanism is a mechanism for enabling a slewing part of a crane or other machinery to revolve around the slewing center line of the slewing mechanism to realize slewing motion, and is matched with other mechanisms to complete space transportation tasks or other work cycles of goods. The rotary table is composed of a driving device, a transmission device and a slewing bearing, wherein the power of the driving device is transmitted to a large gear ring fixed on a frame through an output pinion of the transmission device, so that the rotary table can rotate around the slewing center line of the rotary table. According to different transmission modes, the mechanical transmission, the electric transmission and the hydraulic transmission are divided, and the lorry-mounted crane generally refers to a lorry-mounted crane carrier vehicle. The truck crane is a device for lifting, turning and lifting cargoes by a hydraulic lifting and telescopic system, and is usually assembled on a truck. The following problems exist in the prior art:
because the external engagement part of the slewing bearing of the existing lorry-mounted crane is all open, and the vehicle often works in some complex environments, the external engagement part of the slewing bearing can be greatly damaged due to the fact that the external engagement part of the slewing bearing of the existing lorry-mounted crane is damaged in some complex environments with large wind and sand and more sand and stones, and the problem that the slewing bearing cannot be suitable for complex working conditions is caused.
Disclosure of Invention
The utility model provides a crane slewing mechanism to solve the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a hoist slewing mechanism, includes the gyration lower support, the top outer wall movable mounting of gyration lower support has slewing bearing, slewing bearing's top outer wall is provided with the gyration and supports, slewing bearing is located the inner chamber of protection casing for the outer wall fixed mounting who supports on the gyration, slewing bearing's side outer wall fixed mounting has the fixed shell, fixed shell's top outer wall fixed mounting has driving motor, fixed shell's bottom outer wall fixed mounting has the gear protection casing, driving motor's output shaft runs through in gear protection casing's top inner wall, driving motor's output shaft below side outer wall fixed mounting has driving gear, the outer wall of gear protection casing and the side outer wall through connection of protection casing, driving gear's outer wall and slewing bearing's outer wall meshing.
The technical scheme of the utility model is further improved as follows: the front side groove outer wall fixed mounting of protection casing has the slide bar, the outer wall sliding connection of slide bar has the fly leaf, the outer wall and the outer wall groove joint of protection casing of fly leaf.
By adopting the technical scheme, through the mutual cooperation between the sliding rod and the movable plate in the scheme, the movable plate is limited by the sliding rod when being clamped into the protective cover, and the clamping is more stable.
The technical scheme of the utility model is further improved as follows: compression springs are fixedly installed in inner cavities on two sides of the protective cover, and are located on two sides of the movable plate.
The technical scheme of the utility model is further improved as follows: the top outer wall fixed mounting of compression spring has the circular arc buckle, the outer wall of circular arc buckle and the left and right sides outer wall recess joint of fly leaf.
By adopting the technical scheme, through the mutual cooperation between the arc buckles and the compression springs in the scheme, after the movable plate is clamped into the protective cover, the arc buckles can be extruded, so that the arc buckles are clamped into the grooves on the outer walls of the two sides of the movable plate by the compression springs, and the movable plate is fixed more firmly.
The technical scheme of the utility model is further improved as follows: the left side outer wall fixed mounting of fixed shell has the lubricating oil box, the inner chamber slidable mounting of lubricating oil box has sealed clamp plate, the top outer wall fixed mounting of sealed clamp plate has the depression bar, the outer wall of depression bar runs through in the top outer wall of lubricating oil box.
The technical scheme of the utility model is further improved as follows: the left side outer wall of lubricating oil box is provided with the oil filler, the right side outer wall of lubricating oil box link up and is connected with the filler pipe, the outer wall of filler pipe runs through in the bottom inner wall of fixed shell, the bottom of filler pipe is located drive gear's top.
By adopting the technical scheme, through the mutual cooperation among the lubricating oil box, the sealing pressing plate, the pressing rod and the oil filling pipe in the scheme, when the gear is required to be lubricated by adding lubricating oil, the pressing rod is pressed to enable the sealing pressing plate to squeeze the lubricating oil in the lubricating oil box, so that the lubricating oil drops out of the oil filling pipe and falls on the gear.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a crane slewing mechanism, which adopts the cooperation of a fixed shell, a driving motor, a driving gear, a protective cover, a slewing bearing and a gear protective cover, and drives the driving gear to rotate through the driving motor, so that the slewing bearing is driven to rotate by utilizing the meshing of the driving gear and the slewing bearing, and when the slewing bearing rotates, the slewing bearing and the driving gear are totally closed and protected by utilizing the protective cover and the gear protective cover at the bottom of the fixed shell, so that the problem that the external meshing part of the slewing bearing of the existing lorry crane is totally open, vehicles often work in complex environments, and the external meshing gear is damaged greatly when the complex wind and sand are large and the sand are large is caused in complex environments, and the problem that the slewing bearing and the gear cannot be suitable for complex working conditions is solved, and the effects that dust and foreign matters are prevented from entering when the slewing bearing and the gear run in outdoor complex environments are achieved, and the normal running of the gear and the slewing bearing are ensured.
2. The utility model provides a crane slewing mechanism, which adopts the cooperation of a lubricating oil box, an oil filling port, a compression bar, a sealing pressing plate and an oil filling pipe, wherein lubricating oil can be filled into the lubricating oil box through the oil filling port, when a driving gear needs to be lubricated, the sealing pressing plate presses the oil filling pipe to drop the lubricating oil on the driving gear, and then the lubricating oil is lubricated to an integral slewing bearing through the meshing of the driving gear and the slewing bearing, so that the effects of convenient lubrication under the condition that the slewing bearing and the gear are shielded and shielded are achieved, and the lubrication is more convenient.
Drawings
FIG. 1 is a schematic overall view of the structure of the present utility model;
FIG. 2 is a schematic side view in cross section of a gear guard of the present utility model;
FIG. 3 is a schematic top view of a protective cover of the structure of the present utility model;
fig. 4 is a schematic front cross-sectional view of a lubricant cartridge of the structure of the present utility model.
In the figure: 1. a rotary lower support; 2. a fixed case; 21. a lubricating oil box; 211. a fuel filler; 212. a compression bar; 213. a sealing pressing plate; 214. a filler pipe; 3. a driving motor; 31. a drive gear; 4. a rotary upper support; 5. a protective cover; 51. a slewing bearing; 52. a gear protection cover; 53. a movable plate; 54. a slide bar; 55. a compression spring; 551. arc buckle.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a crane slewing mechanism, which comprises a slewing lower support 1, wherein a slewing bearing 51 is movably arranged on the top outer wall of the slewing lower support 1, a slewing upper support 4 is arranged on the top outer wall of the slewing bearing 51, a protection cover 5 is fixedly arranged on the outer wall of the slewing upper support 4, the slewing bearing 51 is positioned in an inner cavity of the protection cover 5, a fixed shell 2 is fixedly arranged on the side outer wall of the slewing upper support 4, a driving motor 3 is fixedly arranged on the top outer wall of the fixed shell 2, a gear protection cover 52 is fixedly arranged on the bottom outer wall of the fixed shell 2, an output shaft of the driving motor 3 penetrates through the top inner wall of the gear protection cover 52, a driving gear 31 is fixedly arranged on the side outer wall below the output shaft of the driving motor 3, the outer wall of the gear protection cover 52 is in through connection with the side outer wall of the protection cover 5, and the outer wall of the driving gear 31 is meshed with the outer wall of the slewing bearing 51.
In the present embodiment, the driving motor 3 drives the driving gear 31 to rotate, so that the slewing bearing 51 is driven to rotate by the engagement of the driving gear 31 and the slewing bearing 51, and when the slewing bearing is rotated, the slewing bearing 51 and the driving gear 31 are protected in a totally closed manner by the protection cover 5 and the gear protection cover 52 at the bottom of the fixed housing 2.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, a sliding rod 54 is fixedly mounted on the outer wall of the front side groove of the protective cover 5, the outer wall of the sliding rod 54 is slidably connected with a movable plate 53, the outer wall of the movable plate 53 is clamped with the grooves of the outer wall of the protective cover 5, compression springs 55 are fixedly mounted in the inner cavities of two sides of the protective cover 5, the compression springs 55 are located on two sides of the movable plate 53, an arc buckle 551 is fixedly mounted on the outer wall of the top end of each compression spring 55, and the outer wall of each arc buckle 551 is clamped with the grooves of the outer walls of the left side and the right side of the movable plate 53.
In this embodiment, the movable plate 53 is aligned to the sliding rod 54 on the groove on the outer wall of one side of the protection cover 5 to be slidably clamped, and the circular arc buckle 551 is clamped into the grooves on the outer walls of two sides of the movable plate 53 by the compression spring 55 to be fixed, so that the movable plate 53 is mounted, and when the abrasion condition of the slewing bearing 51 in the protection cover 5 needs to be checked, the movable plate 53 can be pulled out by sliding the movable plate 53 outwards, so that the slewing bearing 51 in the protection cover 5 is seen.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the left side outer wall of the fixed shell 2 is fixedly provided with a lubricating oil box 21, the inner cavity of the lubricating oil box 21 is slidably provided with a sealing pressing plate 213, the top outer wall of the sealing pressing plate 213 is fixedly provided with a pressing rod 212, the outer wall of the pressing rod 212 penetrates through the top outer wall of the lubricating oil box 21, the left side outer wall of the lubricating oil box 21 is provided with an oil filling port 211, the right side outer wall of the lubricating oil box 21 is in penetrating connection with an oil filling pipe 214, the outer wall of the oil filling pipe 214 penetrates through the bottom inner wall of the fixed shell 2, and the bottom end of the oil filling pipe 214 is located at the top of the driving gear 31.
In this embodiment, the lubrication oil can be injected into the lubrication oil box 21 through the oil filling port 211, when the driving gear 31 needs lubrication, the sealing pressing plate 213 presses the lubrication oil to drop on the driving gear 31 through the oil injection pipe 214 by pressing the pressing rod 212, and then the lubrication oil is lubricated to the whole slewing bearing 51 through the engagement of the driving gear 31 and the slewing bearing 51, so that the lubrication oil cannot drop under the pressure when the pressing rod is not pressed.
The working principle of the crane slewing mechanism is specifically described below.
As shown in fig. 1 to 4, the driving motor 3 drives the driving gear 31 to rotate, so that the slewing bearing 51 is driven to rotate by the engagement of the driving gear 31 and the slewing bearing 51, when the slewing bearing 51 and the driving gear 31 are totally closed and protected by the protection cover 5 and the gear protection cover 52 at the bottom of the fixed shell 2, lubricating oil can be injected into the lubricating oil box 21 through the oil filling port 211, when the driving gear 31 needs to be lubricated, the sealing pressing plate 213 presses and drops the lubricating oil on the driving gear 31 by the oil filling pipe 214 through pressing the pressing rod 212, and then the lubricating oil is lubricated to the whole slewing bearing 51 through the engagement of the driving gear 31 and the slewing bearing 51.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a hoist rotation mechanism, includes gyration lower support (1), its characterized in that: the top outer wall movable mounting of gyration lower support (1) has slewing bearing (51), the top outer wall of slewing bearing (51) is provided with gyration upper support (4), the outer wall fixed mounting of gyration upper support (4) has protection casing (5), slewing bearing (51) are located the inner chamber of protection casing (5), the side outer wall fixed mounting of gyration upper support (4) has fixed shell (2), the top outer wall fixed mounting of fixed shell (2) has driving motor (3), the bottom outer wall fixed mounting of fixed shell (2) has gear protection casing (52), the output shaft of driving motor (3) runs through in the top inner wall of gear protection casing (52), the output shaft below side outer wall fixed mounting of driving motor (3) has driving gear (31), the outer wall of gear protection casing (52) link up with the side outer wall of protection casing (5), the outer wall of driving gear (31) meshes with the outer wall of slewing bearing (51).
2. A crane slewing mechanism as claimed in claim 1, wherein: the front side groove outer wall of protection casing (5) fixed mounting has slide bar (54), the outer wall sliding connection of slide bar (54) has fly leaf (53), the outer wall of fly leaf (53) and the outer wall groove joint of protection casing (5).
3. A crane slewing mechanism as claimed in claim 1, wherein: compression springs (55) are fixedly arranged in the inner cavities at two sides of the protective cover (5), and the compression springs (55) are located at two sides of the movable plate (53).
4. A crane slewing mechanism as claimed in claim 3, wherein: the top outer wall of the compression spring (55) is fixedly provided with an arc buckle (551), and the outer wall of the arc buckle (551) is clamped with grooves on the outer walls of the left side and the right side of the movable plate (53).
5. A crane slewing mechanism as claimed in claim 1, wherein: the lubricating oil box (21) is fixedly arranged on the left outer wall of the fixed shell (2), the sealing pressing plate (213) is slidably arranged in the inner cavity of the lubricating oil box (21), the pressing rod (212) is fixedly arranged on the outer wall of the top end of the sealing pressing plate (213), and the outer wall of the pressing rod (212) penetrates through the outer wall of the top of the lubricating oil box (21).
6. A crane slewing mechanism as defined in claim 5, wherein: the left side outer wall of lubricating oil box (21) is provided with oil filler (211), the right side outer wall of lubricating oil box (21) link up and is connected with filler pipe (214), the outer wall of filler pipe (214) runs through in the bottom inner wall of fixed shell (2), the bottom of filler pipe (214) is located the top of drive gear (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322090223.9U CN220334617U (en) | 2023-08-04 | 2023-08-04 | Crane slewing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322090223.9U CN220334617U (en) | 2023-08-04 | 2023-08-04 | Crane slewing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220334617U true CN220334617U (en) | 2024-01-12 |
Family
ID=89458111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322090223.9U Active CN220334617U (en) | 2023-08-04 | 2023-08-04 | Crane slewing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220334617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118183537A (en) * | 2024-05-11 | 2024-06-14 | 东莞市元泰建设工程有限公司 | Intelligent tower crane with anti-reverse function for building |
-
2023
- 2023-08-04 CN CN202322090223.9U patent/CN220334617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118183537A (en) * | 2024-05-11 | 2024-06-14 | 东莞市元泰建设工程有限公司 | Intelligent tower crane with anti-reverse function for building |
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