CN221396996U - High-lift low-clearance bridge crane for wind power cabin - Google Patents
High-lift low-clearance bridge crane for wind power cabin Download PDFInfo
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- CN221396996U CN221396996U CN202323450067.9U CN202323450067U CN221396996U CN 221396996 U CN221396996 U CN 221396996U CN 202323450067 U CN202323450067 U CN 202323450067U CN 221396996 U CN221396996 U CN 221396996U
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- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000004804 winding Methods 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 241000288140 Gruiformes Species 0.000 description 37
- 230000009471 action Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 241000124872 Grus grus Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The high-lift low-clearance bridge crane for the wind power engine room comprises a main beam, wherein upper end beams are arranged at two ends of the main beam, crane supporting legs are arranged at the bottom ends of the main beam, trolley travelling rails are paved on the main beam, a trolley is assembled on each trolley travelling rail, each trolley comprises a trolley cross beam, a trolley longitudinal beam is arranged between the two trolley cross beams, a trolley travelling mechanism is arranged at the end part of each trolley cross beam, a movable support is assembled between the trolley longitudinal beams, fixed pulleys are assembled at the lower ends of the movable supports, movable pulleys are arranged at the top ends of the movable supports, two first electric hoists are arranged on the trolley longitudinal beams, and the two first electric hoists are connected to the movable pulleys through steel wire ropes and guide wheels respectively; a wire guide roller is rotatably assembled between the right ends of the two main beams, a lifting mechanism is arranged below the wire guide roller, a lifting appliance is arranged below the lifting trolley, and the lifting appliance is connected to the lifting mechanism by bypassing the fixed pulley and the wire guide roller through a steel wire rope. The utility model has simple structure and convenient use.
Description
Technical Field
The utility model belongs to the technical field of cranes, and particularly relates to a high-lift low-clearance bridge crane for a wind power cabin.
Background
The crane is a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, also called a crown block, an aerial crane and a crane, according to different use occasions, some cranes are used indoors, the cranes used indoors are bridge cranes and gantry cranes, the bridge cranes are hoisting equipment for hoisting materials transversely above workshops, warehouses and material yards, a trolley travelling rail is generally arranged below a crane girder, an electric hoist is hung on the trolley travelling rail, the electric hoist moves on a guide rail, a lifting hook lifts or descends under the action of the electric hoist, and a crane supporting leg and a trolley travelling mechanism are arranged below the crane girder on the basis of the bridge cranes; when the crane works indoors, due to the height limitation of the steel structure factory building, the lifting mechanism is arranged on the lifting trolley above the crane girder, so that the height of the crane girder is lower, the heavy object cannot be lifted to an effective height, the work cannot be completed, the heavy object lifting difficulty can be caused, and the lifting heavy object is limited. If the height of the steel structure factory building is increased, the increased cost is large and the working efficiency is seriously affected, so that the existing bridge crane cannot lift heavy objects to an effective height due to the height limitation of the steel structure factory building, and the problems of low working efficiency, inconvenience in operation and the like are caused.
Disclosure of utility model
The utility model provides a high-lift low-clearance bridge crane for a wind power cabin, which aims to solve the technical problems that the existing crane cannot lift heavy objects to an effective height due to the limitation of a steel structure factory building and has low working efficiency. The trolley comprises two trolley crossbeams which are parallel and arranged at intervals, two trolley longitudinal beams which are arranged at intervals are arranged between the two trolley crossbeams, two ends of each trolley longitudinal beam are detachably fixed on the trolley crossbeams, trolley travelling mechanisms are arranged at the ends of the trolley crossbeams and comprise trolley travelling wheels and trolley travelling motors, the trolley travelling wheels can be rotatably assembled on the trolley crossbeams, the trolley travelling motors are fixed on the trolley crossbeams and are in transmission connection with the trolley travelling motors, the trolley travelling motors are started, and the trolley travelling motors drive the trolley travelling wheels to transversely move on the main beams along the trolley travelling tracks. The movable support capable of moving along the two trolley longitudinal beams is assembled between the two trolley longitudinal beams, fixed pulleys are assembled at the lower end of the movable support, two movable pulleys which are symmetrically arranged are arranged at the top end of the movable support, the two movable pulleys are respectively assembled on one side of the trend of the movable support, two first electric hoists which are arranged in one-to-one correspondence with the movable pulleys are arranged on one trolley longitudinal beam, the two first electric hoists are respectively connected to the movable pulleys through steel wire ropes and guide wheels, supporting rails parallel to the trolley longitudinal beams are respectively fixed on the inner sides of the two trolley longitudinal beams, supporting rollers are rotatably assembled on the left side and the right side of the movable support, the supporting rollers are in rolling fit with the supporting rails, and the movable support is pulled to longitudinally move along the trolley longitudinal beams through the steel wire ropes under the action of the two first electric hoists. The wire roller is rotatably assembled between the right ends of the two main beams, the lifting mechanism is arranged below the wire roller and fixed on the crane supporting leg, the lifting device is arranged below the lifting trolley and connected to the lifting mechanism through the fixed pulley and the wire roller, the lifting mechanism comprises a winding drum support fixed on the crane supporting leg, the top end of the winding drum support is rotatably assembled with a lifting drum, the winding drum support is fixedly provided with a lifting motor and a speed reducer, the lifting motor is in transmission connection with the lifting drum through the speed reducer, the lifting motor is started to drive the lifting drum to rotate, and the lifting drum moves up and down in the vertical direction through the traction of the steel wire rope, so that the lifting of a heavy object is realized. The end beams at the left ends of the two main beams are provided with traction mechanisms, the traction mechanisms comprise second electric hoists fixed on the end beams, the left ends of the lifting trolleys are provided with movable pulleys, steel wire ropes on the second electric hoists bypass the movable pulleys, the end portions of the second electric hoists are fixed on the end beams, and the traction mechanisms enable the second electric hoists to drag the lifting trolleys through the steel wire ropes when the lifting trolleys lift heavy objects, so that the lifting trolleys are prevented from moving rightwards under the traction of the lifting mechanisms, and safety is improved.
Preferably, both sides of the lower end of the movable support are rotatably provided with horizontal wheels with guiding function, and the horizontal wheels are respectively in rolling fit with the trolley longitudinal beams.
Preferably, a brake is arranged between the lifting motor and the speed reducer.
Preferably, the bottom end of the crane supporting leg is provided with a bracket with a supporting function, the bottom of the bracket is provided with a slewing mechanism, the slewing mechanism comprises a slewing support and a slewing motor which are assembled on the bracket, and the slewing motor is in transmission connection with the slewing support.
Preferably, a supporting rod which plays a role of stabilizing and supporting is fixed between the main beam and the supporting leg of the crane.
The adoption of the scheme has the following advantages:
The lifting trolley and the lifting mechanism are arranged separately, so that the overall height of the crane can be reduced, compared with a common crane, the lifting height of the lifting appliance is higher, and the problem that a heavy object cannot be lifted to an effective height due to the limitation of the height of a steel structure factory building is solved; the movable support is arranged, and the movable support is pulled to move on the trolley longitudinal beam through the first electric hoist, so that compared with the conventional crane, the longitudinal displacement of the movable support can be adjusted through the trolley travelling mechanism, and the longitudinal position of the lifting appliance can be adjusted more accurately and conveniently; the traction mechanism is arranged so that when the lifting trolley lifts a heavy object, the second electric hoist pulls the lifting trolley through the steel wire rope, the lifting trolley is prevented from moving rightwards under the traction of the lifting mechanism, and the safety is improved.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
fig. 4 is a schematic top view of a lifting trolley.
Reference numerals: 1. a main beam; 2. an upper end beam; 3. a lifting trolley; 4. a lifting mechanism; 5. a guide roller; 6. a traction mechanism; 7. a bracket; 11. a crane supporting leg; 12. the trolley moves along the track; 13. a support rod; 31. a trolley beam; 32. a trolley longitudinal beam; 321. a support rail; 33. a trolley travel mechanism; 34. a trolley walking motor; 341. a trolley travelling wheel; 35. a movable support; 351. a movable pulley; 352. a horizontal wheel; 353. supporting rollers; 36. a first electric hoist; 37. a wire rope; 371. a guide wheel; 38. a fixed pulley; 39. a lifting appliance; 41. a spool support; 42. lifting the winding drum; 43. a lifting motor; 44. a speed reducer; 45. a brake; 61. a second electric hoist; 71. a slewing mechanism; 72. a rotary support; 73. and driving the motor.
Detailed Description
As shown in fig. 1-4, the high-lift low-clearance bridge crane for the wind power engine room comprises two parallel main beams 1 which are arranged at intervals, wherein the main beams 1 play a supporting role, two ends of each main beam 1 are provided with upper end beams 2 which play a supporting and fixing role, the bottom end of each main beam 1 is provided with a crane supporting leg 11 which plays a supporting role, trolley travelling rails 12 are paved on the two main beams 1, and lifting trolleys 3 are assembled on the trolley travelling rails 12. The trolley 3 comprises two trolley cross beams 31 which are parallel and arranged at intervals, two trolley longitudinal beams 32 which are arranged at intervals are arranged between the two trolley cross beams 31, two ends of each trolley longitudinal beam 32 are detachably fixed on the trolley cross beams 31, a trolley traveling mechanism 33 is arranged at the end part of each trolley cross beam 31, each trolley traveling mechanism 33 comprises a trolley traveling wheel 341 and a trolley traveling motor 34, each trolley traveling wheel 341 is rotatably assembled on the corresponding trolley cross beam 31, each trolley traveling motor 34 is fixed on each trolley cross beam 31, each trolley traveling wheel 341 is in transmission connection with each trolley traveling motor 34, each trolley traveling motor 34 is started, and each trolley traveling motor 34 drives each trolley traveling wheel 341 to transversely move on the main beam 1 along the corresponding trolley traveling rail 12. a movable bracket 35 which can move along the two trolley longitudinal beams 32 is arranged between the two trolley longitudinal beams 32, a fixed pulley 38 is arranged at the lower end of the movable bracket 35, two movable pulleys 351 which are symmetrically arranged are arranged at the top end of the movable bracket 35, the two movable pulleys 351 are respectively arranged at one side of the trend of the movable bracket 35, two first electric hoist 36 which are arranged in one-to-one correspondence with the movable pulleys 351 are arranged on one trolley longitudinal beam 32, the two first electric hoist 36 are respectively connected to the movable pulleys 351 through a steel wire rope 37 and a guide pulley 371, the inner sides of the two trolley longitudinal beams 32 are respectively fixed with a support rail 321 which is parallel with the trolley longitudinal beams 32, the left side and the right side of the movable support 35 are rotatably provided with supporting rollers 353, the supporting rollers 353 are in rolling fit on the supporting rails 321, and under the action of the two first electric hoists 36, the movable support 35 is pulled by the steel wire ropes 37 to longitudinally move along the trolley longitudinal beam 32. a wire roller 5 is rotatably assembled between the right ends of the two main beams 1, a lifting mechanism 4 is arranged below the wire roller 5, the lifting mechanism 4 is fixed on a crane supporting leg 11, a lifting appliance 39 is arranged below the trolley 3, the lifting appliance 39 bypasses a fixed pulley 38 and the wire roller 5 through a steel wire rope 37 and is connected to the lifting mechanism 4, the lifting mechanism 4 comprises a winding drum bracket 41 fixed on the crane supporting leg 11, the top end of the winding drum bracket 41 is rotatably assembled with a lifting winding drum 42, a lifting motor 43 and a speed reducer 44 are fixed on the winding drum bracket 41, the lifting motor 43 is in transmission connection with the lifting winding drum 42 through the speed reducer 44, the lifting motor 43 is started, The lifting motor 43 drives the lifting drum 42 to rotate, and the lifting drum 42 pulls the lifting tool 39 to move up and down in the vertical direction through the steel wire rope 37, so that the lifting of the heavy object is realized. The end beams 2 at the left ends of the two main beams 1 are provided with traction mechanisms 6, the traction mechanisms 6 comprise second electric hoists 61 fixed on the end beams 2, the left ends of the lifting trolleys 3 are provided with movable pulleys, steel wire ropes on the second electric hoists 61 bypass the movable pulleys and the end parts of the second electric hoists are fixed on the end beams 2, when the lifting trolleys 3 lift heavy objects, the second electric hoists 61 pull the lifting trolleys 3 through the steel wire ropes, the lifting trolleys 3 are prevented from moving rightwards under the traction of the lifting mechanisms 4, and safety is improved.
Preferably, both sides of the lower end of the movable bracket 35 are rotatably equipped with horizontal wheels 352 for guiding, and the horizontal wheels 352 are respectively press-fitted with the trolley stringers 32.
Preferably, a brake 45 is provided between the lifting motor 43 and the speed reducer 44.
Preferably, the bottom end of the crane leg 11 is provided with a supporting bracket 7, the bottom of the bracket 7 is provided with a slewing mechanism 71, the slewing mechanism 71 comprises a slewing support 72 and a slewing motor 73 which are assembled on the bracket 7, and the slewing motor 73 is in transmission connection with the slewing support 72.
Preferably, a supporting rod 13 for stabilizing and supporting is fixed between the main girder 1 and the crane supporting leg 11.
The using process comprises the following steps:
When the crane trolley is used, firstly, the position of the crane trolley 3 is adjusted according to the requirement, the trolley travelling motor 34 is started, the trolley travelling motor 34 drives the trolley travelling wheel 341 to transversely move along the trolley travelling rail 12 at the top end of the main beam 1, after the crane trolley 3 moves to a designated position, the longitudinal position of the movable support 35 is adjusted, two first electric hoists 36 are respectively started, the two first electric hoists 36 are mutually matched, one first electric hoist 36 winds the steel wire rope 37 to pull the movable support 35 to longitudinally move on the support rail 321, the other first electric hoist 36 releases the steel wire rope 37, after the movable support 35 moves to the designated position, the lifting motor 43 on the lifting mechanism 4 is started, the lifting motor 43 drives the lifting drum 42 to rotate, and the lifting drum 42 winds the steel wire rope 37 and pulls the lifting tool 39 to ascend or descend.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (8)
1. The utility model provides a low headroom bridge crane of wind-powered electricity generation cabin high lift, includes two parallel and the girder that the interval set up, and the both ends of girder are equipped with the upper end roof beam that plays support fixation, and the bottom of girder is equipped with the hoist landing leg that plays support effect, has all laid the dolly track on two girders, is equipped with the lifting trolley on the dolly track, its characterized in that: the trolley comprises two trolley longitudinal beams which are parallel and are arranged at intervals, two trolley longitudinal beams which are arranged at intervals are arranged between the two trolley longitudinal beams, two ends of each trolley longitudinal beam are detachably fixed on the trolley transverse beams, trolley travelling mechanisms are arranged at the ends of the trolley transverse beams, a movable support which can move along the two trolley longitudinal beams is arranged between the two trolley longitudinal beams, fixed pulleys are arranged at the lower end of the movable support, two movable pulleys which are symmetrically arranged are arranged at the top end of the movable support, the two movable pulleys are respectively arranged at one side of the trend of the movable support, two first electric hoists which are arranged in one-to-one correspondence with the movable pulleys are arranged on one of the trolley longitudinal beams, and the two first electric hoists are connected to the movable pulleys through steel wire ropes and guide wheels respectively; and a wire guide roller is rotatably assembled between the right ends of the two main beams, a lifting mechanism is arranged below the wire guide roller and fixed on a crane supporting leg, a lifting appliance is arranged below the crane trolley, and the lifting appliance bypasses the fixed pulley and the wire guide roller through a steel wire rope and is connected to the lifting mechanism.
2. The wind turbine nacelle high lift low clearance bridge crane of claim 1, wherein: the inboard of two dolly longerons all is fixed with the support rail parallel with the dolly longeron, and the left and right sides of movable support all rotatable assembly has the backing roller, and the backing roller roll-in fits on the support rail.
3. The wind turbine nacelle high lift low clearance bridge crane of claim 2, wherein: the lower extreme both sides of movable support all rotatable be equipped with the horizontal wheel that plays the guide effect, the horizontal wheel respectively with dolly longeron roll-in fit.
4. The wind turbine nacelle high lift low clearance bridge crane of claim 1, wherein: the lifting mechanism comprises a winding drum bracket fixed on the supporting leg of the crane, a lifting winding drum is rotatably assembled at the top end of the winding drum bracket, a lifting motor and a speed reducer are fixed on the winding drum bracket, and the lifting motor is in transmission connection with the lifting winding drum through the speed reducer.
5. The high-lift low-clearance bridge crane for a wind turbine nacelle of claim 4, wherein: a brake is arranged between the lifting motor and the speed reducer.
6. The wind turbine nacelle high lift low clearance bridge crane of claim 1, wherein: the end beams at the left ends of the two main beams are provided with traction mechanisms, each traction mechanism comprises a second electric hoist fixed on the end beam, the left end of the lifting trolley is provided with a movable pulley, and a steel wire rope on the second electric hoist bypasses the movable pulley and the end part of the steel wire rope is fixed on the end beam.
7. The wind turbine nacelle high lift low clearance bridge crane of claim 1, wherein: the bottom of the crane supporting leg is provided with a bracket with supporting function, the bottom of the bracket is provided with a slewing mechanism, the slewing mechanism comprises a slewing support and a slewing motor which are assembled on the bracket, and the slewing motor is in transmission connection with the slewing support.
8. The high-lift low-clearance bridge crane for a wind turbine nacelle according to any one of claims 1 to 7, wherein: a supporting rod which plays a role of stabilizing and supporting is fixed between the main beam and the supporting leg of the crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323450067.9U CN221396996U (en) | 2023-12-18 | 2023-12-18 | High-lift low-clearance bridge crane for wind power cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323450067.9U CN221396996U (en) | 2023-12-18 | 2023-12-18 | High-lift low-clearance bridge crane for wind power cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221396996U true CN221396996U (en) | 2024-07-23 |
Family
ID=91929199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323450067.9U Active CN221396996U (en) | 2023-12-18 | 2023-12-18 | High-lift low-clearance bridge crane for wind power cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221396996U (en) |
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2023
- 2023-12-18 CN CN202323450067.9U patent/CN221396996U/en active Active
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