CN220979754U - Detachable impeller locking device - Google Patents
Detachable impeller locking device Download PDFInfo
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- CN220979754U CN220979754U CN202322347137.1U CN202322347137U CN220979754U CN 220979754 U CN220979754 U CN 220979754U CN 202322347137 U CN202322347137 U CN 202322347137U CN 220979754 U CN220979754 U CN 220979754U
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- locking
- hole
- impeller
- connecting plate
- locking shaft
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- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Wind Motors (AREA)
Abstract
The utility model provides a detachable impeller locking device, which relates to the technical field of wind power generation equipment and is arranged on an elastic supporting bolt of a gear box of a unit, and comprises a base, wherein the base is provided with a connecting hole and is connected with the elastic supporting bolt through the connecting hole; the locking assembly comprises a connecting plate and a locking shaft, the bottom of the connecting plate is connected with the base, a through hole is formed in the upper part of the connecting plate, and the locking shaft penetrates through the through hole and is spliced with the locking hole so as to realize the horizontal positioning of the large blades connected with the impeller; the utility model is suitable for locking the impeller of the wind turbine, and can realize the water level position fixation of the large blades connected with the impeller by using the locking device installed on the existing turbine equipment.
Description
Technical Field
The utility model relates to the technical field of wind power generation equipment, in particular to a detachable impeller locking device.
Background
At present, with the increasing maturity of new energy technologies, the single-machine capacity of the wind turbine generator is obviously increased, and large units and large blades become the main development trend of the wind power industry. The large blades present excellent wind capture capabilities as well as numerous installation and maintenance difficulties.
The installation of big blade adopts single blade to lift the mode at present and installs, lifts the installation to be locked to horizontal position by the blade that will be changed, and horizontal position will lead to the unit from taking the impeller lock unable to lock to the wind wheel, and the impeller only relies on the brake to lock, receives the unbalanced influence of impeller gravity, and the change blade in-process very easily causes the impeller rotation to cause unsafe event to take place, simultaneously, daily inside inspection of unit blade and the inside work of developing of blade also need be in horizontal position with single blade, face the unit from taking the impeller lock equally unable to lock to the impeller, and then make the locking device's of impeller structure wait further improvement.
Disclosure of utility model
The utility model aims to provide a detachable impeller locking device, which solves the problem that the existing impeller locking device cannot be fixed at a horizontal position aiming at large blades.
The embodiment of the utility model is realized by the following technical scheme: the detachable impeller locking device is arranged on an elastic supporting bolt of a gear box of the unit and comprises a base, wherein the base is provided with a connecting hole and is connected with the elastic supporting bolt through the connecting hole; the locking assembly comprises a connecting plate and a locking shaft, the bottom of the connecting plate is connected with the base, a through hole is formed in the upper part of the connecting plate, and the locking shaft penetrates through the through hole and is spliced with the locking hole so as to realize the horizontal positioning of the large blades connected with the impeller;
Further, the end part of the locking shaft is provided with a fixing plate, a plurality of first fixing holes are formed in the circumference of the fixing plate, a second fixing hole is formed in the connecting plate corresponding to the first fixing holes, and the fixing plate is connected with the connecting plate through the first fixing holes and the second fixing holes in a bolt manner so as to prevent the locking shaft from moving;
further, the fixed plate is connected with the locking shaft through bolts;
Further, the diameter of the through hole is larger than the diameter of the locking shaft;
further, the plurality of first fixing holes are distributed in a circumferential interval array;
Further, the connecting plate is provided with a slope, and the included angle between the slope and the base is 60 degrees;
further, an infrared emitter is arranged on the locking shaft;
further, two connecting plates are arranged at intervals, and a reinforcing rib is connected between the two connecting plates.
The technical scheme of the utility model has at least the following advantages and beneficial effects: firstly, through arranging the base connected with the bolts on the elastic supporting bolts of the gear box of the unit, the existing equipment can be utilized to mount the impeller locking device, so that the impeller locking device is convenient to mount and dismount, and meanwhile, the universality of the impeller locking device is improved; on this basis, through the setting of locking component, can utilize the locking axle to pass the through-hole of connecting plate and the locking hole realization grafting of impeller, and then realize the horizontal positioning of the big blade that the impeller is connected, and then be convenient for installation and the inside operation of big blade, promoted wind turbine generator's stability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a detachable impeller locking apparatus according to embodiment 1 of the present utility model;
FIG. 2 is a schematic view showing the structure of a base of a removable impeller locking apparatus according to embodiment 1 of the present utility model;
FIG. 3 is a side view of a removable impeller lock apparatus provided in embodiment 1 of the present utility model;
FIG. 4 is a top view of a removable impeller lock apparatus according to embodiment 1 of the present utility model;
Fig. 5 is a schematic view showing an operation state of the detachable impeller locking apparatus according to embodiment 1 of the present utility model.
Icon: the device comprises a 1-base, a 2-locking component, a 3-slope, 4-reinforcing ribs, a 5-unit gearbox, 6-elastic supporting bolts, 11-connecting holes, 21-connecting plates, 22-locking shafts, 211-through holes, 212-second fixing holes, 221-fixing plates and 222-first fixing holes.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected 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 be within the scope of the utility model.
Example 1
The embodiment provides a detachable impeller locking device, which is arranged on an elastic supporting bolt 6 of a unit gear box 5 as shown in figures 1-4, and comprises a base 1, wherein the base 1 is provided with a connecting hole 11 and is connected with the elastic supporting bolt 6 through the connecting hole 11; the locking assembly 2 comprises a connecting plate 21 and a locking shaft 22, wherein the bottom of the connecting plate 21 is connected with the base 1, a through hole 211 is formed in the upper part of the connecting plate, which corresponds to a locking hole of the impeller, the locking shaft 22 penetrates through the through hole 211 to be spliced with the locking hole, and horizontal positioning of a large blade connected with the impeller can be realized.
It should be noted that, firstly, by arranging the base 1 connected by the bolt on the elastic supporting bolt 6 of the gear box 5 of the unit, the existing equipment can be utilized to mount the impeller locking device, so that the mounting and dismounting of the impeller locking device are convenient, and meanwhile, the universality of the impeller locking device is improved; on this basis, through the setting of locking component 2, can utilize locking axle 22 to pass through the through-hole 211 of connecting plate 21 and the locking hole realization grafting of impeller, and then realize the horizontal positioning of the big blade that the impeller is connected, and then be convenient for the installation and the inside operation of big blade, promoted wind turbine generator's stability.
The base 1, as shown in figures 1 and 4, is provided with a plurality of connecting holes 11, the base 1 is connected with the elastic supporting bolts 6 of the unit gear box 5 through the connecting holes 11 by bolts, the existing equipment can be used for installation, the installation cost is reduced, the installation of different wind turbines can be adapted, the universality of the impeller locking device is further improved,
1-2, As shown in fig. 2, the locking assembly comprises a connecting plate 21 and a locking shaft 22, the bottom of the connecting plate 21 is welded with the top of the base 1, the two connecting plates 21 are arranged at intervals, and a reinforcing rib 4 is connected between the two connecting plates, so that the stability of the connecting plate 21 is improved, meanwhile, a through hole 211 is formed in the upper part of the connecting plate 21, corresponding to a locking hole of an impeller, the diameter of the through hole 211 is larger than that of the locking shaft 22, the locking shaft 22 penetrates through the through hole 211 and is spliced with the locking hole, so that the horizontal positioning of a large blade connected with the impeller can be realized, the installation and the internal operation of the large blade are facilitated, and the stability of a wind turbine generator set is improved; the connecting plate 21 is provided with a slope surface 3, and the included angle between the slope surface 3 and the base 1 is 60 degrees; the nut on the base 1 can be conveniently installed; the end part of the locking shaft 22 is provided with a fixing plate 221, the fixing plate 221 is connected with the locking shaft 22 through bolts, the fixing plate 221 is circumferentially provided with a plurality of first fixing holes 222, and the plurality of first fixing holes 222 are circumferentially distributed in an array at intervals; the connecting plate 21 is provided with the second fixing hole 212 corresponding to the first fixing hole 222, and the fixing plate 221 is connected with the connecting plate 21 through the first fixing hole 222 and the second fixing hole 212 by bolts, so that the locking shaft 22 can be prevented from moving.
Example 2
The embodiment provides a detachable impeller locking device, the main structure of which is completely identical to that of the embodiment 1, and the difference is that an infrared emitter is arranged on a locking shaft; the working principle is that the infrared emitter is used for detecting, and when the infrared distance is smaller than the fixed distance, namely, the locking hole just enters the fixed position of the locking shaft, one end sends out a signal. When the impeller rotates and the locking hole just faces the locking shaft, the other end detects the distance and sends out a signal. At this moment, the switch is conducted, a falling lock signal is input into the PLC, the PLC sends out an instruction to perform active braking, automatic alignment braking is achieved, then the device is used for locking, and the accuracy of fixing the horizontal position of the large blade connected with the impeller can be improved.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (2)
1. A detachable impeller locking device is arranged on an elastic supporting bolt (6) of a gear box (5) of a unit,
Characterized by comprising the following steps:
The base (1) is provided with a connecting hole (11), and is connected with the elastic supporting bolt (6) through the connecting hole (11);
The locking assembly (2) comprises a connecting plate (21) and a locking shaft (22), wherein the bottom of the connecting plate (21) is connected with the base (1), a through hole (211) is formed in the upper part of the connecting plate, which corresponds to a locking hole of the impeller, and the locking shaft (22) penetrates through the through hole (211) to be inserted into the locking hole so as to realize horizontal positioning of a large blade connected with the impeller;
The end part of the locking shaft (22) is provided with a fixing plate (221), the fixing plate (221) is circumferentially provided with a plurality of first fixing holes (222), the connecting plate (21) is provided with a second fixing hole (212) corresponding to the first fixing holes (222), and the fixing plate (221) is connected with the connecting plate (21) through the first fixing holes (222) and the second fixing holes (212) in a bolt manner so as to prevent the locking shaft (22) from moving;
the fixed plate (221) is connected with the locking shaft (22) through bolts;
The diameter of the through hole (211) is larger than the diameter of the locking shaft (22);
The first fixing holes (222) are distributed in a circumferential interval array;
The connecting plate (21) is provided with a slope (3), and the included angle between the slope (3) and the base (1) is 60 degrees;
an infrared emitter is arranged on the locking shaft (22).
2. Removable impeller locking apparatus according to claim 1, characterized in that two of said connection plates (21) are arranged at intervals, with a reinforcing rib (4) connected therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322347137.1U CN220979754U (en) | 2023-08-30 | 2023-08-30 | Detachable impeller locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322347137.1U CN220979754U (en) | 2023-08-30 | 2023-08-30 | Detachable impeller locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220979754U true CN220979754U (en) | 2024-05-17 |
Family
ID=91043251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322347137.1U Active CN220979754U (en) | 2023-08-30 | 2023-08-30 | Detachable impeller locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220979754U (en) |
-
2023
- 2023-08-30 CN CN202322347137.1U patent/CN220979754U/en active Active
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