CN219971640U - Maintenance lifting device for transmission case of wind driven generator - Google Patents
Maintenance lifting device for transmission case of wind driven generator Download PDFInfo
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- CN219971640U CN219971640U CN202321046946.2U CN202321046946U CN219971640U CN 219971640 U CN219971640 U CN 219971640U CN 202321046946 U CN202321046946 U CN 202321046946U CN 219971640 U CN219971640 U CN 219971640U
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- hoisting
- transverse frame
- transmission case
- adjusting
- frame
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 52
- 238000012423 maintenance Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000004804 winding Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 244000309464 bull Species 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a maintenance hoisting device for a transmission case of a wind driven generator, which comprises: the hoisting device comprises a hoisting vertical frame, wherein a hoisting transverse frame is arranged in the hoisting vertical frame in a horizontal sliding manner through a guide sliding rail, a traction mechanism is arranged at the top of the hoisting vertical frame and is connected with the hoisting transverse frame, and a lifting hook is connected to the bottom of the hoisting transverse frame through a lifting rope; two groups of positioning mechanisms are symmetrically fixed at two ends of the hoisting transverse frame, a driving mechanism is further arranged in the hoisting transverse frame and used for synchronously driving the two groups of positioning mechanisms to fix and fix the generator transmission case hoisted on the hoisting transverse frame. According to the utility model, the two groups of positioning mechanisms are driven by the driving mechanism to fix the hoisted transmission case in a four-point abutting manner, so that the hoisted transmission case is prevented from shaking, the hoisting stability is improved, the shaking of the transmission case caused by stress when the transmission case is overhauled can be prevented, the overhauling operation is more convenient, and the operation safety is improved.
Description
Technical Field
The utility model relates to the technical field of maintenance lifting equipment, in particular to maintenance lifting equipment for a transmission case of a wind driven generator.
Background
The wind driven generator is power equipment which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, and the maintenance hoisting equipment of the transmission case of the wind driven generator is hoisting equipment for maintaining and using the transmission case of the wind driven generator.
If the authority notice number is CN215479158U, the authority notice day is 2022.01.11, the name is lifting device for wind-driven generator maintenance, it includes a lifting device for wind-driven generator maintenance, including the lifting block, lifting block's lower fixed surface installs four connecting rods in quantity, four the lower surface of connecting rod all is equipped with stabilizing mean, stabilizing mean is including four transmission case of quantity, four the equal fixed mounting in opposite face of transmission case has the sliding block, the through-hole has been seted up to the upper surface of sliding block, four the equal fixed mounting in inner chamber of transmission case has the motor, four the equal fixed mounting in inner chamber of transmission case has the bull stick that is located four motors and leaves the face, four the output shaft department of motor respectively with four bull sticks between movable mounting have the belt, four the equal fixed mounting in surface of bull stick has the haulage rope that runs through and extends to the transmission case below.
As mentioned above, it improves the stability of hoist device when hoist and mount through setting up stabilizing mean, but it is known, when hoist and mount the lifting through the lifting rope to the transmission case, can lead to the transmission case of hoist and mount to appear rocking owing to the characteristic of rope body itself, influences the stability of hoist and mount, when overhauling the operation to the transmission case simultaneously, can lead to the transmission case atress, easily leads to the transmission case to rock, influences the security, and the operation is inconvenient.
Disclosure of Invention
The utility model aims to provide a wind driven generator transmission case maintenance hoisting device which aims to solve the defects in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a wind turbine gearbox maintenance lifting device comprising: the hoisting device comprises a hoisting vertical frame, wherein a hoisting transverse frame is arranged in the hoisting vertical frame in a horizontal sliding manner through a guide sliding rail, a traction mechanism is arranged at the top of the hoisting vertical frame and is connected with the hoisting transverse frame, and a lifting hook is connected to the bottom of the hoisting transverse frame through a lifting rope; two groups of positioning mechanisms are symmetrically fixed at two ends of the hoisting transverse frame, a driving mechanism is further arranged in the hoisting transverse frame and used for synchronously driving the two groups of positioning mechanisms to position and fix the generator transmission case hoisted on the hoisting transverse frame.
As a further description of the above technical solution:
the hoisting vertical frame is of a U-shaped structure, guide sliding rails are arranged on the inner sides of two side frames of the hoisting vertical frame, and two ends of the hoisting transverse frame are respectively and slidably connected to the two guide sliding rails.
As a further description of the above technical solution:
the guiding sliding rail comprises a rectangular sliding groove formed in the hoisting vertical frame, a limiting rod is fixed in the rectangular sliding groove, two sections of the hoisting transverse frame are provided with circular through holes, and the circular through holes are sleeved on the limiting rod in a sliding manner.
As a further description of the above technical solution:
the positioning mechanism comprises an adjusting transverse frame, the adjusting transverse frame is rotationally connected to the hoisting transverse frame through a connecting shaft, and a lateral limiting mechanism is vertically arranged on the adjusting transverse frame.
As a further description of the above technical solution:
the lateral limiting mechanism comprises a sliding seat arranged on the adjusting transverse frame in a sliding manner, an adjusting screw rod is connected to the sliding seat in a vertical spiral penetrating manner, a rubber abutting seat is arranged at the bottom end of the adjusting screw rod, and a fixing bolt is connected to the sliding seat in a spiral penetrating manner.
As a further description of the above technical solution:
the driving mechanism comprises an adjusting gear and an electric control telescopic rod, the adjusting gear is fixedly sleeved on the connecting shaft, the electric control telescopic rod is installed in the hoisting transverse frame, the movable end of the electric control telescopic rod is connected with an adjusting toothed plate, and the adjusting toothed plate is meshed with the adjusting gear.
As a further description of the above technical solution:
the traction mechanism comprises a mounting seat fixed at the top of the hoisting stand, a winding stand is rotatably arranged on the mounting seat, a traction rope is wound on the winding stand, the free end of the traction rope penetrates through the hoisting stand and is connected with the hoisting transverse frame, and a driving motor is further arranged on the mounting seat and is in transmission connection with the winding stand through a speed reducer.
The utility model provides maintenance hoisting equipment for a transmission case of a wind driven generator. The beneficial effects are as follows:
this aerogenerator transmission case maintenance lifting device realizes carrying out four-point butt fixedly with the transmission case of hoist and mount through driving mechanism drive two sets of positioning mechanism, prevents to hoist the transmission case and appears rocking, improves the stability of hoist and mount, and the atress leads to the transmission case to appear rocking when can preventing to overhaul the operation to the transmission case simultaneously, overhauls the convenience that the operation is more, improves the security of operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a wind turbine gearbox maintenance lifting device according to the present utility model;
FIG. 2 is a schematic view of the structure of the hoisting cross frame in the utility model;
FIG. 3 is a schematic view of a positioning mechanism according to the present utility model;
FIG. 4 is a schematic diagram of a driving mechanism according to the present utility model;
fig. 5 is a schematic structural view of the traction mechanism in the present utility model.
Legend description:
1. hoisting the vertical frame; 2. a guide rail; 21. rectangular sliding grooves; 22. a limit rod; 3. hoisting a transverse frame; 31. a lifting hook; 32. a circular through hole; 4. a positioning mechanism; 40. a connecting shaft; 41. adjusting the transverse frame; 42. a connecting shaft; 43. adjusting a screw; 44. a rubber abutment seat; 5. a traction mechanism; 51. a mounting base; 52. a winding frame; 53. a traction rope; 54. a driving motor; 6. a driving mechanism; 61. an adjusting gear; 62. adjusting the toothed plate; 63. an electric control telescopic rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, a wind turbine gearbox maintenance lifting device includes: the hoisting device comprises a hoisting vertical frame 1, wherein the hoisting vertical frame 1 is a U-shaped mechanism, a hoisting horizontal frame 3 is arranged in the hoisting vertical frame 1 in a horizontal sliding manner through a guide sliding rail 2, the hoisting horizontal frame 3 is horizontally connected between two side frames of the hoisting vertical frame 1 in a sliding manner, a traction mechanism 5 is arranged at the top of the hoisting vertical frame 1, the traction mechanism 5 is connected with the hoisting horizontal frame 3, the hoisting horizontal frame 3 is driven to lift and adjust on the hoisting vertical frame 1 through the traction mechanism 5, a lifting hook 31 is connected to the bottom of the hoisting horizontal frame 3 through a lifting rope, and the lifting hook 31 is used for hooking and hanging a generator transmission case; two groups of positioning mechanisms 4 are symmetrically fixed at two ends of the hoisting transverse frame 3, each group of positioning mechanisms 4 comprises two positioning mechanisms 4, the two positioning mechanisms 4 are symmetrically arranged at two sides of the hoisting transverse frame 3 along the length direction, a driving mechanism 6 is further arranged in the hoisting transverse frame 3, and the driving mechanism 6 is used for synchronously driving the two groups of positioning mechanisms 4 to fix the generator transmission box hoisted on the hoisting transverse frame 3. When carrying out hoist and mount maintenance to aerogenerator transmission case, the lifting hook 31 through hoist and mount crossbearer 3 bottom lifting rope connection is connected the transmission case, then drive hoist and mount crossbearer 3 through traction mechanism 5 and rise in hoist and mount grudging post 1, thereby hoist up the transmission case, through set up two sets of positioning mechanism 4 at hoist and mount crossbearer 3's both ends symmetry, realize carrying out four-point butt fixedly with the transmission case of hoist and mount through driving mechanism 6 drive two sets of positioning mechanism 4, prevent to hoist up the transmission case and appear rocking, improve the stability of hoist and mount, the atress leads to the transmission case to appear rocking when can preventing to overhaul the operation to the transmission case simultaneously, overhaul operation is more convenient, the security of operation is improved.
The hoisting vertical frame 1 is of a U-shaped structure, guide slide rails 2 are arranged on the inner sides of two side frames of the hoisting vertical frame 1, and two ends of the hoisting transverse frame 3 are respectively and slidably connected to the two guide slide rails 2. The guiding sliding rail 2 comprises a rectangular sliding groove 21 formed in the hoisting vertical frame 1, a limiting rod 22 is fixed in the rectangular sliding groove 21, two sections of the hoisting transverse frame 3 are provided with circular through holes 32, and the circular through holes 32 are slidably sleeved on the limiting rod 22. The lifting limit of the lifting transverse frame 3 is realized by arranging guide sliding rails 2 on two sides of the inside of the lifting vertical frame 1. Stability when lifting and lowering the regulation of hoist and mount crossbearer 3 is improved, and further, hoist and mount crossbearer 3's bottom is connected with lifting hook 31 through the lifting rope, and wherein lifting hook 31 is provided with a plurality of, and a plurality of lifting hooks 31 are connected with hoist and mount crossbearer 3 through the lifting rope respectively, realize carrying out the multiple spot hoist and mount to the transmission case.
The positioning mechanism 4 comprises an adjusting transverse frame 41, the adjusting transverse frame 41 is rotatably connected to the hoisting transverse frame 3 through a connecting shaft 40, the adjusting transverse frame 41 is fixedly connected with the connecting shaft 40, an adjusting shaft 42 is rotatably connected to the hoisting transverse frame 3, and a lateral limiting mechanism is vertically arranged on the adjusting transverse frame 41. The driving mechanism 6 comprises an adjusting gear 61 and an electric control telescopic rod 63, the adjusting gear 61 is fixedly sleeved on the connecting shaft 40, the electric control telescopic rod 63 is installed in the hoisting transverse frame 3, the movable end of the electric control telescopic rod 63 is connected with an adjusting toothed plate 62, and the adjusting toothed plate 62 is meshed with the adjusting gear 61. The driving mechanism 6 synchronously drives the two groups of positioning mechanisms 4 to fix the position of the generator transmission box hoisted on the hoisting transverse frame 3, the adjusting toothed plate 62 is driven to be slidingly adjusted through the electric control telescopic rod 63, the adjusting toothed plate 62 is matched with the adjusting gear 61 to drive the connecting shaft 40 to be rotationally adjusted, the connecting shaft 40 is matched with the adjusting transverse frame 41 to drive the lateral limiting mechanism to be rotationally adjusted, the lateral limiting mechanism is abutted to the outer side of the transmission box hoisted at the bottom of the hoisting transverse frame 3, and the two groups of positioning mechanisms are matched with each other to fix the position of the transmission box hoisted at the bottom of the hoisting transverse frame 3.
The lateral limiting mechanism comprises a sliding seat 42 arranged on the adjusting transverse frame 41 in a sliding manner, an adjusting screw 43 is connected to the sliding seat 42 in a vertical spiral penetrating manner, a rubber abutting seat 44 is arranged at the bottom end of the adjusting screw 43, and a fixing bolt is connected to the sliding seat 42 in a spiral penetrating manner. When the gearbox butt fixing device is used, the adjusting screw 43 can be slidably adjusted through the sliding seat 42, then the gearbox butt fixing device is fixed through the fixing bolt, meanwhile, the height of the rubber butt seat 44 can be adjusted through rotating the adjusting screw 43, so that the gearbox butt fixing position can be adaptively adjusted according to actual needs, and the gearbox butt fixing device is more convenient to use.
The traction mechanism 5 comprises a mounting seat 51 fixed at the top of the hoisting vertical frame 1, a winding frame 52 is rotatably arranged on the mounting seat 51, a traction rope 53 is wound on the winding frame 52, the free end of the traction rope 53 penetrates through the hoisting vertical frame 1 and is connected with the hoisting transverse frame 3, a driving motor 54 is further arranged on the mounting seat 51, and the driving motor 54 is in transmission connection with the winding frame 52 through a speed reducer. The winding frame 52 is driven to rotate and adjust through the driving motor 54, so that the winding frame 52 winds and adjusts the traction rope 53 connected to the winding frame, and the hoisting transverse frame 3 is driven to lift and adjust on the hoisting vertical frame 1 through the traction rope 53.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A wind turbine gearbox maintenance lifting device comprising: hoist and mount grudging post (1), be provided with hoist and mount crossbearer (3) through direction slide rail (2) horizontal slip in hoist and mount grudging post (1), traction mechanism (5) are installed at the top of hoist and mount grudging post (1), and traction mechanism (5) with hoist and mount crossbearer (3) are connected, its characterized in that:
the bottom of the hoisting transverse frame (3) is connected with a lifting hook (31) through a lifting rope;
two groups of positioning mechanisms (4) are symmetrically fixed at two ends of the hoisting transverse frame (3), a driving mechanism (6) is further arranged in the hoisting transverse frame (3), and the driving mechanism (6) is used for synchronously driving the two groups of positioning mechanisms (4) to fix the generator transmission case hoisted on the hoisting transverse frame (3).
2. The wind driven generator transmission case maintenance lifting device according to claim 1, wherein the lifting vertical frame (1) is of a U-shaped structure, guide sliding rails (2) are arranged on the inner sides of two side frames of the lifting vertical frame (1), and two ends of the lifting horizontal frame (3) are respectively connected to the two guide sliding rails (2) in a sliding mode.
3. The wind driven generator transmission case maintenance hoisting device according to claim 2, wherein the guide sliding rail (2) comprises a rectangular sliding groove (21) formed in the hoisting vertical frame (1), a limiting rod (22) is fixed in the rectangular sliding groove (21), two sections of the hoisting transverse frame (3) are provided with circular through holes (32), and the circular through holes (32) are slidably sleeved on the limiting rod (22).
4. The wind driven generator transmission case maintenance hoisting device according to claim 1, wherein the positioning mechanism (4) comprises an adjusting transverse frame (41), the adjusting transverse frame (41) is rotatably connected to the hoisting transverse frame (3) through a connecting shaft (40), and a lateral limiting mechanism is vertically arranged on the adjusting transverse frame (41).
5. The wind driven generator transmission case maintenance lifting device according to claim 4, wherein the lateral limiting mechanism comprises a sliding seat (42) arranged on an adjusting transverse frame (41) in a sliding manner, an adjusting screw (43) is connected to the sliding seat (42) in a vertical spiral penetrating manner, a rubber supporting seat (44) is arranged at the bottom end of the adjusting screw (43), and a fixing bolt is connected to the sliding seat (42) in a spiral penetrating manner.
6. The wind turbine transmission case maintenance hoisting device according to claim 4, wherein the driving mechanism (6) comprises an adjusting gear (61) and an electric control telescopic rod (63), the adjusting gear (61) is fixedly sleeved on the connecting shaft (40), the electric control telescopic rod (63) is installed in the hoisting transverse frame (3), the movable end of the electric control telescopic rod (63) is connected with an adjusting toothed plate (62), and the adjusting toothed plate (62) is meshed with the adjusting gear (61).
7. The wind driven generator transmission case maintenance hoisting device according to claim 1, wherein the traction mechanism (5) comprises a mounting seat (51) fixed at the top of the hoisting stand (1), a winding stand (52) is rotatably arranged on the mounting seat (51), a traction rope (53) is wound on the winding stand (52), the free end of the traction rope (53) penetrates through the hoisting stand (1) and is connected with the hoisting transverse frame (3), a driving motor (54) is further arranged on the mounting seat (51), and the driving motor (54) is in transmission connection with the winding stand (52) through a speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321046946.2U CN219971640U (en) | 2023-05-05 | 2023-05-05 | Maintenance lifting device for transmission case of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321046946.2U CN219971640U (en) | 2023-05-05 | 2023-05-05 | Maintenance lifting device for transmission case of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219971640U true CN219971640U (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321046946.2U Active CN219971640U (en) | 2023-05-05 | 2023-05-05 | Maintenance lifting device for transmission case of wind driven generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN219971640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117657954A (en) * | 2024-02-01 | 2024-03-08 | 山东汇通建设集团有限公司 | Butt joint installation device for hoisting and positioning continuous steel box girder |
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2023
- 2023-05-05 CN CN202321046946.2U patent/CN219971640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117657954A (en) * | 2024-02-01 | 2024-03-08 | 山东汇通建设集团有限公司 | Butt joint installation device for hoisting and positioning continuous steel box girder |
| CN117657954B (en) * | 2024-02-01 | 2024-04-09 | 山东汇通建设集团有限公司 | Butt joint installation device for hoisting and positioning continuous steel box girder |
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