CN220056124U - Rotary cantilever crane with stable structure - Google Patents
Rotary cantilever crane with stable structure Download PDFInfo
- Publication number
- CN220056124U CN220056124U CN202322809553.9U CN202322809553U CN220056124U CN 220056124 U CN220056124 U CN 220056124U CN 202322809553 U CN202322809553 U CN 202322809553U CN 220056124 U CN220056124 U CN 220056124U
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- main beam
- cantilever crane
- wheel
- fixedly connected
- winding drum
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- 238000004804 winding Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a rotary cantilever crane with stable structure, which comprises a vertical column and a horizontal main beam, wherein a slewing bearing is arranged between the top of the vertical column and the main beam, and a slewing motor is arranged on the outer side of the slewing bearing; a supporting arm is arranged between the main beam and the upright post, the top of the supporting arm is fixedly connected to the main beam, a horizontal wheel is arranged at the bottom of the supporting arm, and the horizontal wheel is attached to the side surface of the upright post; the tail end of the main beam is provided with a winding drum, the winding drum is wound with a steel wire rope, the front end of the main beam is provided with a guide wheel corresponding to the winding drum, the bottom of the main beam is provided with a sports car device, a lifting appliance is arranged below the sports car device, the bottom of the sports car device is provided with a fixed pulley, and the steel wire rope on the winding drum is fixedly connected to the main beam after bypassing the guide wheel, the fixed pulley and the lifting appliance; the utility model can reduce the uneven stress of the rotary arm through the arrangement form of the structure, thereby improving the stability and the load capacity of the cantilever crane.
Description
Technical Field
The utility model relates to the technical field of hoisting machinery, in particular to a rotary cantilever crane with stable structure.
Background
The cantilever crane is a light crane with high working strength, and is mainly composed of upright post, rotary arm and electric hoist, and its self-weight is light and span is large. However, due to the influence of the self structure of the cantilever crane, the stress is uneven, which is also the reason that the cantilever crane cannot hoist heavy objects with large weight. The existing cantilever crane lifts and conveys heavy objects through an electric hoist, all loads act on a rotary arm and a stand column, the condition of uneven stress can only be compensated by the strength of the stand column and the rotary arm, the requirements on the stand column and the rotary arm are high, and the overall stability of the cantilever crane is slightly poor.
Disclosure of Invention
The utility model aims to provide a rotary cantilever crane with stable structure, which can reduce the condition of uneven stress of a rotary arm through the arrangement form of the structure of the cantilever crane, thereby improving the stability and the load capacity of the cantilever crane.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the rotary cantilever crane comprises a vertical column and a horizontal main beam, wherein a slewing bearing is arranged between the top of the vertical column and the main beam, and a slewing motor is arranged on the outer side of the slewing bearing; a supporting arm is arranged between the main beam and the upright post, the top of the supporting arm is fixedly connected to the main beam, a horizontal wheel is arranged at the bottom of the supporting arm, and the horizontal wheel is attached to the side surface of the upright post; the tail end of the girder is provided with a winding drum, the winding drum is wound with a steel wire rope, the front end of the girder is provided with a guide wheel corresponding to the winding drum, the bottom of the girder is provided with a sports car device, a lifting appliance is arranged below the sports car device, the bottom of the sports car device is provided with a fixed pulley, and the steel wire rope on the winding drum is fixedly connected to the girder after bypassing the guide wheel, the fixed pulley and the lifting appliance.
Optionally, the winding drum and the guide wheel are both provided with two and symmetrically arranged at two sides of the main beam; two fixed pulleys are rotatably connected to two sides of the bottom of the sports car device; the lifting appliance comprises a lifting hook, two movable pulleys are symmetrically arranged at the top of the lifting hook, and the steel wire rope bypasses the corresponding guide wheel, the fixed pulley, the movable pulley and the fixed pulley and is fixedly connected to the main beam.
Optionally, the fixed point of the wire rope is arranged at a higher level than the guide wheel.
Optionally, the sports car device comprises two mounting plates which are oppositely arranged, a connecting rod is fixedly connected between the two mounting plates, and the fixed pulley is rotationally connected to the connecting rod; the inner side of the mounting plate is rotationally connected with a travelling wheel, the outer side of the mounting plate is provided with a travelling motor, an output shaft of the travelling motor is fixedly connected with a driving gear, the travelling wheel is fixedly connected with a driven gear, and the driving gear is meshed with the driven gear.
Optionally, the side of the upright is provided with a circular horizontal track on which the horizontal wheels move.
The rotary cantilever crane with stable structure has the following advantages:
(1) The reel and the lifting appliance are arranged at two ends of the main girder, the stress of the reel and the lifting appliance can be balanced with each other, the stress influence of the self structure of the cantilever crane on the upright post and the main girder is reduced, and the load capacity of the stability of the cantilever crane can be improved.
(2) The stability of hoist can be ensured to reel and the leading wheel that the symmetry set up, and the hoist can not appear the condition of slope when lift and translation.
(3) The horizontal rail can ensure the horizontal rotation of the horizontal wheel and ensure the stable support of the support arm.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a schematic structural view of the sports car apparatus.
Fig. 4 is a schematic structural view of the spreader.
Fig. 5 is a schematic diagram of the roping of a steel cord.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, the following description being based on the orientation of fig. 1.
As shown in fig. 1-5, a rotary cantilever crane with stable structure comprises a vertical column 1 and a horizontal main beam 2, wherein the vertical column 1 is fixed on the ground through foundation bolts, a slewing bearing 3 is arranged between the top of the vertical column 1 and the main beam 2, a slewing motor 4 is arranged on the outer side of the slewing bearing 3, and the slewing motor 4 can drive the main beam 2 to rotate. Be provided with support arm 5 between girder 2 and stand 1, the top fixed connection of support arm 5 is on girder 2, and horizontal wheel 6 is installed to the bottom of support arm 5, and the side of stand 1 is provided with annular horizontal track 7 that corresponds with horizontal wheel 6, and horizontal wheel 6 moves along horizontal track 7, ensures that support arm 5 can provide stable support for girder 2.
The left end symmetry of girder 2 is provided with two reels 8, and the reel 8 twines wire rope 9, and the right-hand member of girder 2 is provided with the leading wheel 10 that corresponds with reel 8, and the bottom of girder 2 is provided with sports car device 11, and sports car device 11 includes two mounting panels 13 that set up relatively, fixedly connected with two connecting rods 14 that set up symmetrically between two mounting panels 13, and the tip of connecting rod 14 passes mounting panel 13 and rotates and be connected with fixed pulley 15. The inboard rotation of mounting panel 13 is connected with walking wheel 16, and walking motor 17 is installed in the outside of mounting panel 13, and fixedly connected with driving gear on the output shaft of walking motor 17, fixedly connected with driven gear on the walking wheel 16, driving gear and driven gear meshing, walking motor 17 can drive sports car device 11 and remove in the bottom of girder 2.
The lifting appliance 12 is arranged below the sports car device 11, the lifting appliance 12 comprises a lifting hook 18, two movable pulleys 19 are symmetrically arranged at the top of the lifting hook 18, the steel wire rope 9 bypasses the corresponding guide wheel 10, the first fixed pulley 15, the movable pulleys 19 and the second fixed pulley 15 and is fixedly connected to the main beam 2, and the setting height of the fixed point of the steel wire rope 9 is slightly higher than that of the guide wheel 10, so that the situation that the steel wire rope 9 falls off from the groove can be avoided.
The reel 8 and the hoist 12 set up respectively in the both ends of girder 2, under the supporting role of support arm 5, both can balance each other to the effort that girder 2 applyed to improve cantilever crane's stability, through reducing cantilever crane self structure to the atress influence of stand 1 and girder 2, can also improve cantilever crane's load capacity, strengthened the handling ability to the great object of weight.
The embodiments described above are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Claims (5)
1. The utility model provides a stable in structure's rotation type cantilever crane which characterized in that: the device comprises a vertical column and a horizontal main beam, wherein a slewing bearing is arranged between the top of the vertical column and the main beam, and a slewing motor is arranged on the outer side of the slewing bearing; a supporting arm is arranged between the main beam and the upright post, the top of the supporting arm is fixedly connected to the main beam, a horizontal wheel is arranged at the bottom of the supporting arm, and the horizontal wheel is attached to the side surface of the upright post; the tail end of the girder is provided with a winding drum, the winding drum is wound with a steel wire rope, the front end of the girder is provided with a guide wheel corresponding to the winding drum, the bottom of the girder is provided with a sports car device, a lifting appliance is arranged below the sports car device, the bottom of the sports car device is provided with a fixed pulley, and the steel wire rope on the winding drum is fixedly connected to the girder after bypassing the guide wheel, the fixed pulley and the lifting appliance.
2. The structurally stable rotary cantilever crane according to claim 1, wherein: the winding drums and the guide wheels are both arranged at two sides of the main beam symmetrically; two fixed pulleys are rotatably connected to two sides of the bottom of the sports car device; the lifting appliance comprises a lifting hook, two movable pulleys are symmetrically arranged at the top of the lifting hook, and the steel wire rope bypasses the corresponding guide wheel, the fixed pulley, the movable pulley and the fixed pulley and is fixedly connected to the main beam.
3. A structurally stable rotary cantilever crane according to claim 1 or 2, characterised in that: the setting height of wire rope fixed point is higher than the setting height of leading wheel.
4. The structurally stable rotary cantilever crane according to claim 1, wherein: the running car device comprises two mounting plates which are oppositely arranged, a connecting rod is fixedly connected between the two mounting plates, and the fixed pulley is rotationally connected to the connecting rod; the inner side of the mounting plate is rotationally connected with a travelling wheel, the outer side of the mounting plate is provided with a travelling motor, an output shaft of the travelling motor is fixedly connected with a driving gear, the travelling wheel is fixedly connected with a driven gear, and the driving gear is meshed with the driven gear.
5. The structurally stable rotary cantilever crane according to claim 1, wherein: the side of stand is provided with annular horizontal track, and the horizontal wheel moves on horizontal track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809553.9U CN220056124U (en) | 2023-10-19 | 2023-10-19 | Rotary cantilever crane with stable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809553.9U CN220056124U (en) | 2023-10-19 | 2023-10-19 | Rotary cantilever crane with stable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220056124U true CN220056124U (en) | 2023-11-21 |
Family
ID=88759007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322809553.9U Active CN220056124U (en) | 2023-10-19 | 2023-10-19 | Rotary cantilever crane with stable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220056124U (en) |
-
2023
- 2023-10-19 CN CN202322809553.9U patent/CN220056124U/en active Active
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