CN221093545U - Side box changing device of wind generating set - Google Patents
Side box changing device of wind generating set Download PDFInfo
- Publication number
- CN221093545U CN221093545U CN202323239482.XU CN202323239482U CN221093545U CN 221093545 U CN221093545 U CN 221093545U CN 202323239482 U CN202323239482 U CN 202323239482U CN 221093545 U CN221093545 U CN 221093545U
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- support
- winch
- hoisting
- lifting
- box transformer
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- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000001174 ascending effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The utility model discloses a side box transformer substation replacing device of a wind generating set, which comprises a hoisting support, a hoisting beam seat, a pulley winding structure and a winch, wherein the hoisting support is arranged on a cabin, the hoisting beam seat is connected with the side box transformer substation, the pulley winding structure is arranged on the hoisting support and the hoisting beam seat, a traction rope is wound on the pulley winding structure, the traction rope is provided with a traction end and a node end, the node end is connected with the hoisting support, the winch is arranged at the lower end of a tower barrel, the traction end of the traction rope is wound on the winch, and the winch winds the traction end so that the hoisting beam seat is lifted upwards. The hoisting machine aims at facilitating installation of a hoisting machine, providing tension for hoisting the side box transformer substation, and solving the problem that the side box transformer substation is difficult to get on a tower.
Description
Technical Field
The utility model relates to the technical field of wind power, in particular to a side box transformer substation replacing device of a wind generating set.
Background
The side box transformer of the wind generating set refers to that in the wind generating set, equipment such as a transformer, a circuit breaker, an isolating switch and the like are arranged in a side box body, and the box body is usually arranged at the side part of a tower of the wind generating set.
At present, the side box transformer of the wind turbine is replaced on the tower by adopting a large-sized sling or a crane, the replacement cost is relatively high, the center of gravity of the side box transformer is outside the engine room, the side box transformer can interfere with the tower barrel in the vertical descending and ascending processes, and when the side box transformer is hoisted, a single-strand steel wire rope is used, so that the stress is relatively high.
Disclosure of utility model
The utility model mainly aims to provide a side box transformer substation replacement device for a wind generating set, which can facilitate the installation of a winch, is convenient for providing tension for hoisting a side box transformer substation and solves the problem that the side box transformer substation is difficult to get on a tower.
In order to achieve the above purpose, the utility model provides a wind generating set side box changing device, which comprises a hoisting support, a hoisting beam seat, a pulley winding structure and a winch, wherein the hoisting support is used for being arranged on a cabin, the hoisting beam seat is used for being connected with a box transformer, the pulley winding structure is arranged on the hoisting support and the hoisting beam seat, a traction rope is wound on the pulley winding structure, the traction rope is provided with a traction end and a node end, the node end is connected with the hoisting support, the winch is used for being arranged at the lower end of a tower drum, the traction end of the traction rope is wound on the winch, and the winch winds the traction end so that the hoisting beam seat is lifted upwards.
Optionally, the pulley winding structure includes:
The fixed pulley structure is arranged on the hoisting bracket; and
The movable pulley structure is arranged on the lifting appliance beam seat;
The traction rope is wound on the fixed pulley structure and the movable pulley structure.
Optionally, the hoisting bracket comprises a hoisting beam, wherein the hoisting beam is provided with an installation inner side surface and an installation outer side surface;
The fixed pulley structure comprises a first fixed pulley arranged on the outer side surface of the installation and a second fixed pulley arranged on the inner side surface of the installation;
The movable pulley structure comprises two movable pulleys arranged on the lifting appliance beam seat;
The traction rope extends out of the winch, winds on the first fixed pulley, passes through one of the movable pulleys, passes through the second fixed pulley, winds on the other movable pulley and finally is connected to the hoisting support.
Optionally, the tower also comprises a rolling top support structure, wherein the rolling top support structure is arranged on the side part of the box transformer substation, and a rolling top support part is formed on the rolling top support structure and is used for rolling and abutting with the outer side wall of the tower.
Optionally, the rolling jacking structure includes:
a top bracket for connecting to a side of the box transformer;
The rollers are rotatably arranged on the top support frame and used for rolling and abutting with the outer side wall of the tower barrel;
the rolling jacking portion includes a plurality of the rollers.
Optionally, the top support frame includes:
a first cross beam for connection to a side of the box transformer; and
The cantilever frames comprise longitudinal frame beams which extend in the up-down direction and second transverse frame beams which are connected to the end parts of the longitudinal frame beams, and the longitudinal frame beams are connected to the first transverse frame beams;
the rollers are arranged in two, and are respectively arranged on the two second cross beams.
Optionally, the distance between the two second cross beams is gradually increased along the extending direction of the second cross beams.
Optionally, the hoist includes a built-in planetary reducer hoist.
Optionally, the lifting bracket includes:
A support portion extending in the up-down direction; and
The mounting part is arranged at the top of the supporting part and extends in the left-right direction, and the fixed pulley structure is arranged on the mounting part;
The support part comprises a plurality of support legs which are arranged at intervals in the left-right direction, each support leg comprises a plurality of support beams which are arranged at intervals in the front-back direction, each support beam is provided with a first support beam section and a second support beam section which are detachably connected, and the first support beam section and the second support beam section are respectively provided with a reinforcing rib.
Optionally, a supporting trabecula extending along the up-down direction is arranged at the top of the installation part, a pull rod is arranged on the supporting trabecula, and one end of the pull rod, which is far away from the supporting trabecula, is fixedly connected with one end of the installation part.
According to the technical scheme, the hoisting support is arranged on the engine room, personnel on the tower can conveniently build the hoisting support, the pulley winding structure is arranged, the direction of the pulling force for hoisting the side box transformer can be changed, the winch is arranged at the lower end of the tower, the pulling end of the pulling rope is wound on the winch, so that the heavy winch is not required to be installed at the top of the tower again, the winch is only required to be operated at the bottom of the tower, the pulling force can be provided for the side box transformer at the bottom of the tower through winding the pulling end of the winch, the lifting tool beam seat is conveniently lifted, the side box transformer connected with the lifting tool beam seat is conveniently lifted, and the winch is arranged at the lower end of the tower, so that replacement and maintenance of the winch are more convenient.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a wind turbine generator system side box change device according to the present utility model;
Fig. 2 is a schematic perspective view of a rolling jack structure of the side box transformer of the present utility model.
Reference numerals illustrate:
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only 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 be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The side box transformer of the wind generating set refers to that in the wind generating set, equipment such as a transformer, a circuit breaker, an isolating switch and the like are arranged in a side box body, and the box body is usually arranged at the side part of a tower of the wind generating set.
At present, the side box transformer of the wind turbine is replaced on the tower by adopting a large-sized sling or a crane, the replacement cost is relatively high, the center of gravity of the side box transformer is outside the engine room, the side box transformer can interfere with the tower barrel in the vertical descending and ascending processes, and when the side box transformer is hoisted, a single-strand steel wire rope is used, so that the stress is relatively high.
In view of the above, the present utility model provides a device for replacing a side tank of a wind turbine generator system, and fig. 1 is an embodiment of the present utility model.
Referring to fig. 1, the wind generating set side box changing device 100 provided by the utility model comprises a hoisting bracket 1, a hoisting beam seat 2, a pulley winding structure and a winch, wherein the hoisting bracket 1 is used for being arranged on a cabin, the hoisting beam seat 2 is used for being connected with a box transformer, the pulley winding structure is arranged on the hoisting bracket 1 and the hoisting beam seat 2, a traction rope is wound on the pulley winding structure, the traction rope is provided with a traction end and a node end, the node end is connected with the hoisting bracket 1, the winch is used for being arranged at the lower end of a tower, the traction end of the traction rope is wound on the winch, and the winch winds the traction end so that the hoisting beam seat 2 is lifted upwards.
According to the technical scheme, the hoisting support 1 is arranged on the engine room, a person on the tower can conveniently build the hoisting support, the direction of pulling force for hoisting the side box transformer can be changed by arranging the pulley winding structure, the winch is arranged at the lower end of the tower, the pulling end of the pulling rope is wound on the winch, so that the heavy winch is not required to be installed at the top of the tower again, the winch is only required to be operated at the bottom of the tower, the pulling force can be provided for the side box transformer at the bottom of the tower through winding the pulling end of the winch, the lifting tool beam seat 2 is conveniently lifted, the side box transformer connected with the lifting tool beam seat 2 is conveniently hoisted, and the winch is arranged at the lower end of the tower, so that the replacement and maintenance of the winch are more convenient.
In this embodiment, the pulley winding structure includes a fixed pulley structure 13 and a movable pulley structure 21, the fixed pulley structure 13 is disposed on the lifting bracket 1, the movable pulley structure 21 is disposed on the lifting beam seat 2, and the traction rope is wound on the fixed pulley structure 13 and the movable pulley structure 21. When lifting the side box transformer, the winch winds the traction end and provides the traction rope with upward tension for the movable pulley structure 21, when the movable pulley structure 21 balances, the tension provided by the traction rope only needs to be the gravity of the movable pulley structure 21, the gravity of the lifting appliance beam seat 2 and a small part of the sum of the gravity of the side box transformer can be used for lifting the movable pulley structure 21, the lifting appliance beam seat 2 and the side box transformer are lifted, the stress of the traction rope is reduced, the damage of the winch due to the side box transformer due to the overlarge lifting is avoided, the service life of the winch is prolonged, and the crane can be prevented from consuming larger electric quantity due to the larger traction force.
Further, the lifting bracket 1 comprises a lifting beam, the lifting beam is provided with an installation inner side surface and an installation outer side surface, the fixed pulley structure 13 comprises a first fixed pulley arranged on the installation outer side surface and a second fixed pulley arranged on the installation inner side surface, the movable pulley structure 21 comprises two movable pulleys arranged on the lifting beam seat 2, the traction rope extends out of the winch and winds on the first fixed pulley, passes through one of the movable pulleys, then passes through the second fixed pulley, winds on the other movable pulley, and finally is connected to the lifting bracket 1. The arrangement can facilitate the arrangement of the traction rope or the winding of the traction rope around the first fixed pulley, the second fixed pulley and the two movable pulleys, the arrangement of the two fixed pulleys and the two movable pulleys can save four times of the pulling force of the traction rope, namely four times of the pulling force output by the winch, it can be understood that the winch only needs to output two gravity of the movable pulleys, one fourth of the sum of the gravity of the lifting beam seat 2 and the gravity of the side box transformer can finish the lifting of the side box transformer, the stress of the traction rope is further saved, the two movable pulleys can be arranged at two ends of the lifting beam seat 2, or the two movable pulleys are arranged at intervals in the extending direction of the lifting beam seat 2, the stress of the lifting beam seat 2 can be concentrated at the gravity center of the lifting beam seat 2, the stress of the lifting beam seat is balanced, the stability in the process of lifting the side box transformer can be ensured, and the movable pulley structure 21 is not limited to two or more movable pulleys.
In this embodiment, the wind turbine generator system side box changing device 100 further includes a rolling support structure 3, where the rolling support structure 3 is configured to be disposed on a side portion of the side box, and a rolling support portion is formed on the rolling support structure 3 and configured to be in rolling contact with an outer side wall of the tower. So set up, work as the in-process that is being promoted and descends is becoming to the side case, the side case become can be unavoidable with the tower section of thick bamboo contacts and collides with, roll the jacking portion can with the outer lateral wall of tower section of thick bamboo rolls the butt, can be avoided the side case become with under the circumstances of tower section of thick bamboo outer lateral wall direct contact, can also promote smoothly and descend the side case becomes.
Further, the rolling top support structure 3 includes a top support and a plurality of rollers 331, the top support is configured to be connected to a side portion of the box transformer substation, the plurality of rollers 331 are rotatably installed on the top support, and configured to be in rolling contact with an outer side wall of the tower, and the rolling top support includes a plurality of rollers 331. The roller 331 can be avoided side case becomes with under the circumstances that the tower section of thick bamboo lateral wall knocks with, prevent side case becomes and rocks too big scope or the too big angle of rotation in the in-process of promotion and decline, wherein, roller 331 sets up a plurality of, can improve the hoist and mount side case becomes or descends side case becomes the stability of process, of course, the roll propping portion can be spheroid, or the roll propping portion can also include the cylinder.
The top support comprises a first transverse frame beam 31 and two cantilever frame bodies, the first transverse frame beam 31 is used for being connected to the side part of the box transformer, each cantilever frame body comprises a longitudinal frame beam extending in the up-down direction and a second transverse frame beam 33 connected to the end part of the longitudinal frame beam, the longitudinal frame beam is connected to the first transverse frame beam 31, and two rollers 331 are arranged and are respectively arranged on the two second transverse beams. The cantilever frame is beneficial to the roller 331 to roll on the outer side wall of the tower more stably, the two rollers 331 are respectively arranged on the two second cross beams, so that the rolling stability of the roller 331 can be further improved, and the stability of the side box transformer in the ascending and descending processes is also improved.
Specifically, the distance between the two second cross beams 33 is gradually increased along the extending direction of the second cross beams 33. By the arrangement, the two second cross beams and the roller 331 can form a structure similar to a triangle, so that stability between the two second cross beams and the roller 331 is improved, and jacking strength of the second cross beams is improved.
In this embodiment, the hoist includes a built-in planetary reducer hoist. The built-in planetary reducer winch has higher transmission precision, can ensure the transmission precision and stability, so that the precision and performance of the winch are improved, and can bear larger loads, so that the winch can be used for various heavy tasks, the design life of the winch is long, generally more than tens of thousands of hours, the winch has higher shock resistance and overload resistance, the reliability of the winch is greatly improved, and the built-in planetary reducer winch is generally in a sealed design, so that dust and moisture can be effectively prevented from entering the winch, and the difficulty and cost of maintenance are reduced.
The hoisting support 1 comprises a supporting part and an installing part 11, wherein the supporting part extends in the vertical direction, the installing part 11 is arranged at the top of the supporting part and extends in the left-right direction, the installing part 11 is provided with a fixed pulley structure 13, the supporting part comprises a plurality of supporting legs which are arranged at intervals in the left-right direction, each supporting leg comprises a plurality of supporting beams which are arranged at intervals in the front-rear direction, each supporting beam is provided with a first supporting beam section 12 and a second supporting beam section 15 which are detachably connected, and the first supporting beam section 12 and the second supporting beam section 15 are respectively provided with reinforcing ribs. The setting of a plurality of supporting beam can be more firm support installation department 11, perhaps can support heavier installation department 11, wherein, detachable first supporting beam section 12 with the second supporting beam section can avoid hoist and mount the support beam of overweight an organic whole setting, can respectively with first supporting beam section 12 with second supporting beam section 15 hoist and mount in the cabin, and then conveniently install a plurality of supporting beams in the cabin need not to consume too big manpower and materials, the strengthening rib can strengthen the bearing capacity of supporting beam, also can promote the mechanical strength of supporting beam reduces the supporting beam is because of supporting too big weight installation department 11 deformation fracture's possibility.
Further, a supporting trabecula extending in the up-down direction is provided at the top of the mounting portion 11, the supporting trabecula is provided with a pull rod 14, and one end of the pull rod 14 away from the supporting trabecula is fixedly connected with one end of the mounting portion 11. The setting of the pull rod 14 can improve the bearing capacity of the installation part 11, and can make the supporting beam and the installation part 11 bear the weight of the side box transformer together, so as to avoid the situation that one end of the installation part 11 bears the side box transformer to deform or break.
The foregoing is only the preferred embodiments of the present utility model, and therefore, the patent scope of the utility model is not limited thereto, and all the equivalent structural changes made by the description of the utility model and the accompanying drawings or the direct or indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. The utility model provides a wind generating set side case becomes change device, wind generating set includes a tower section of thick bamboo and locates the cabin on tower section of thick bamboo top, its characterized in that, wind generating set side case changes the change device and includes:
The hoisting support is used for being arranged in the engine room;
the lifting appliance beam seat is used for being connected with the box transformer;
The pulley winding structure is arranged on the lifting support and/or the lifting beam seat, a traction rope is wound on the pulley winding structure, the traction rope is provided with a traction end and a node end, and the node end is connected with the lifting support; and
The winch is used for being arranged at the lower end of the tower, the traction end of the traction rope is wound on the winch, and the winch winds the traction end, so that the lifting appliance beam seat is lifted upwards.
2. The wind turbine generator system side box change apparatus of claim 1, wherein the pulley winding structure comprises:
The fixed pulley structure is arranged on the hoisting bracket; and
The movable pulley structure is arranged on the lifting appliance beam seat;
The traction rope is wound on the fixed pulley structure and the movable pulley structure.
3. The wind turbine generator set side box change apparatus of claim 2, wherein the lifting bracket comprises a lifting beam having an installation inside surface and an installation outside surface;
The fixed pulley structure comprises a first fixed pulley arranged on the outer side surface of the installation and a second fixed pulley arranged on the inner side surface of the installation;
The movable pulley structure comprises two movable pulleys arranged on the lifting appliance beam seat;
The traction rope extends out of the winch, winds on the first fixed pulley, passes through one of the movable pulleys, passes through the second fixed pulley, winds on the other movable pulley and finally is connected to the hoisting support.
4. The wind turbine generator system side box transformer substation replacement device according to claim 1, further comprising a rolling support structure, wherein the rolling support structure is arranged on the side portion of the box transformer substation, and a rolling support portion is formed on the rolling support structure and is used for being in rolling contact with the outer side wall of the tower.
5. The wind turbine generator system side-mounted box change-out device of claim 4, wherein the rolling jacking structure comprises:
a top bracket for connecting to a side of the box transformer;
The rollers are rotatably arranged on the top support frame and used for rolling and abutting with the outer side wall of the tower barrel;
the rolling jacking portion includes a plurality of the rollers.
6. The wind turbine generator set side box change apparatus of claim 5, wherein the top bracket comprises:
a first cross beam for connection to a side of the box transformer; and
The cantilever frames comprise longitudinal frame beams which extend in the up-down direction and second transverse frame beams which are connected to the end parts of the longitudinal frame beams, and the longitudinal frame beams are connected to the first transverse frame beams;
the rollers are arranged in two, and are respectively arranged on the two second cross beams.
7. The wind turbine generator system set-side box transformer substation replacement device according to claim 6, wherein a distance between two second cross beams is gradually increased along an extending direction of the second cross beams.
8. The wind turbine generator system side-mounted box change-out device of claim 1, wherein the winch comprises a built-in planetary reducer winch.
9. The wind turbine generator set side box change apparatus of claim 1, wherein the lifting bracket comprises:
A support portion extending in the up-down direction; and
The mounting part is arranged at the top of the supporting part and extends in the left-right direction, and the fixed pulley structure is arranged on the mounting part;
The support part comprises a plurality of support legs which are arranged at intervals in the left-right direction, each support leg comprises a plurality of support beams which are arranged at intervals in the front-back direction, each support beam is provided with a first support beam section and a second support beam section which are detachably connected, and the first support beam section and the second support beam section are respectively provided with a reinforcing rib.
10. The wind turbine generator system side box transformer substation replacement device according to claim 9, wherein a supporting trabecula extending in the up-down direction is provided at the top of the mounting portion, the supporting trabecula is provided with a pull rod, and an end of the pull rod away from the supporting trabecula is fixedly connected with an end of the mounting portion.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221093545U true CN221093545U (en) | 2024-06-07 |
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