Fan chassis turnover device

Abstract

The utility model discloses a fan chassis turnover device, which comprises a mounting structure, a turnover structure and two clamping assemblies, the turnover structure is arranged on the mounting structure and is provided with two rotating parts, the two rotating parts are opposite in a first direction to form a turnover interval, the turnover interval is used for placing a front chassis, and the clamping assemblies are arranged on the turnover structure. The rotating parts can rotate along the axis where the first direction is located and can move in the first direction, and the two clamping assemblies are arranged on the two rotating parts correspondingly and used for embracing and clamping the front chassis located in the overturning interval. The problems that the operation difficulty is large and the front chassis is prone to slipping off in the process that the front chassis is turned over through a hanging belt by manually operating a travelling crane in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fan chassis flipping, in particular to a fan chassis flipping device. Background Art

[0002] With the increase in the utilization rate of wind resources, wind turbines are developing towards large-megawatt models, and the size of wind turbines has also ushered in a breakthrough increase. The weight of the front frame of the wind turbine has now exceeded 30 tons. During the processing of the front frame, it is usually necessary to flip it. At present, the common flipping operation method for the front frame is to manually use a sling to operate the crane to complete the flipping. There is a problem of difficulty in operation during the flipping operation, and there is a risk of the front frame falling off the sling and sliding, which can easily cause damage to the front frame. Utility Model Content

[0003] The main purpose of the utility model is to provide a fan chassis turning device, aiming to solve the problems of great operating difficulty and easy sliding of the front chassis in the process of manually operating a crane to turn over the front chassis through a sling.

[0004] In order to achieve the above-mentioned purpose, the fan chassis turning device proposed by the utility model comprises:

[0005] Mounting structure;

[0006] A flip structure, arranged on the mounting structure and having two rotating parts, the two rotating parts are opposite to each other in a first direction to form a flipping interval, the flipping interval is used to place the front chassis, the rotating parts can rotate along the axis in the first direction and are movable along the first direction; and

[0007] Two clamping assemblies are respectively arranged on the two rotating parts to embrace and clamp the front chassis in the turning interval.

[0008] In one embodiment, the mounting structure comprises:

[0009] Mounting seat;

[0010] Two columns are movably arranged on the mounting seat along the first direction and extend along the second direction. A lifting seat is also arranged on the column. The two rotating parts are respectively arranged on the corresponding lifting seats. The position of the lifting seat in the second direction is adjustable;

[0011] The first direction and the second direction are arranged at an angle.

[0012] In one embodiment, the fan chassis flipping device further comprises a first guide assembly, which is arranged between the column and the mounting seat to limit the movement of the column in a first direction; and / or,

[0013] The fan chassis turning device also includes a second guide assembly, which is arranged between the column and the lifting seat to limit the movement of the lifting seat to a second direction.

[0014] In one embodiment, a first hydraulic cylinder is disposed on the column, and a telescopic rod of the first hydraulic cylinder is telescopically movable along the second direction and is mounted to the lifting seat.

[0015] In one embodiment, the clamping assembly comprises:

[0016] an embracing structure, disposed on the rotating portion, for abutting against a side portion of the front chassis; and

[0017] A clamping structure, comprising two clamping parts opposite to each other along the second direction, the two clamping parts being arranged on the rotating part and respectively abutting against the top and bottom of the front bottom frame;

[0018] Wherein, the embracing structure of the two clamping assemblies can embracing the front chassis;

[0019] The first direction and the second direction are arranged at an angle.

[0020] In one embodiment, the embracing structure includes two embracing parts, the two embracing parts are opposite to each other in the third direction, and are hingedly mounted to the rotating part along the axis in the second direction, and the two embracing parts can abut against the side of the front chassis during their rotation travel;

[0021] The third direction is arranged at an angle to both the first direction and the second direction.

[0022] In one embodiment, the two clamping parts include a movable clamping part, and the position of the movable clamping part in the second direction is adjustable.

[0023] In one embodiment, a second hydraulic cylinder is provided on the rotating portion, a telescopic rod of the second hydraulic cylinder is telescopically movable along a second direction and is mounted to the movable clamping portion; and / or,

[0024] The fan chassis turning device further comprises a third guide assembly, which is disposed between the movable clamping portion and the rotating portion and is used to limit the movement of the movable clamping portion in a second direction.

[0025] In one embodiment, an elastic structure is provided on the abutting surface of the clamping portion.

[0026] In one embodiment, the elastic structure comprises a polyurethane structure.

[0027] In the technical solution provided by the utility model, the two rotating parts can rotate along the axis located in the first direction, and a flipping interval is formed between the two. At the same time, a clamping assembly is arranged on each of the rotating parts. After the front chassis to be flipped is placed in the flipping interval, the front chassis is embraced and clamped stably by the two clamping assemblies. Finally, the two rotating parts are driven to rotate 180 degrees to complete the flipping operation of the front chassis. The whole flipping process only requires operating the clamping assembly to clamp the front chassis, and then operating the rotating parts to rotate. The operation difficulty is lower than the traditional method. At the same time, the front chassis is not easy to fall off the two clamping assemblies, and the safety of the device is higher. In addition, since the two rotating parts can also rotate along the axis located in the first direction, the size of the flipping interval can be changed, so that the fan chassis flipping device can be suitable for front chassis of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0029] Figure 1 A schematic structural diagram of an embodiment of a fan chassis turning device (partial structure) provided by the utility model;

[0030] Figure 2 for Figure 1 A schematic diagram of the front view of the fan chassis flipping device.

[0031] Description of Figure Numbers:

[0032] Label name Label name 100 Fan chassis flip device 31 Embrace structure 1 Mounting structure 311 Embrace 11 Mounting Seat 32 Clamping structure 12 Column 321 Clamping part 121 Lifting seat 321a Active clamping part 13 First guide assembly 322 Elastic structure 14 Second guide assembly 4 First hydraulic cylinder 2 Flip structure 5 Second hydraulic cylinder 21 Rotating part 6 The third guide assembly 3 Clamping components

[0033] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] It should be noted that if a directional indication is involved in the embodiments of the present invention, the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0037] With the increase in the utilization rate of wind resources, wind turbines are developing towards large-megawatt models, and the size of wind turbines has also ushered in a breakthrough increase. The weight of the front frame of the wind turbine has now exceeded 30 tons. During the processing of the front frame, it is usually necessary to flip it. At present, the common flipping operation method for the front frame is to manually use a sling to operate the crane to complete the flipping. There is a problem of difficulty in operation during the flipping operation, and there is a risk of the front frame falling off the sling and sliding, which can easily cause damage to the front frame.

[0038] Based on the above reasons, a mechanical device is used to clamp the front chassis for flipping to ensure that the front chassis is prevented from sliding down.

[0039] In view of this, the utility model proposes a fan chassis flipping device, which aims to solve the problems of difficult operation and easy slipping of the front chassis in the process of manually operating a crane to flip the front chassis through a sling. Figure 1 A structural schematic diagram of an embodiment of a fan chassis turning device (partial structure) provided by the utility model (since the partial structures in the figure usually exist in pairs, only the partial structure is shown); Figure 2 for Figure 1 A schematic diagram of the front view of the fan chassis flipping device.

[0040] See also Figure 1 and Figure 2The fan chassis flipping device 100 includes a mounting structure 1, a flipping structure 2 and two clamping assemblies 3. The flipping structure 2 is arranged on the mounting structure 1 and has two rotating parts 21. The two rotating parts 21 are opposite to each other in a first direction to form a flipping interval. The flipping interval is used to place the front chassis. The rotating part 21 can rotate along the axis in the first direction and is movable along the first direction. The two clamping assemblies 3 are respectively arranged on the two rotating parts 21 to embrace and clamp the front chassis in the flipping interval.

[0041] It should be noted that the main function of the mounting structure 1 is to provide a mounting base for the flip structure 2. There are many types of structures, and there are many ways for the two rotating parts 21 to move in the first direction and rotate along the axis in the first direction, which are not limited in this embodiment.

[0042] It should be noted that the two clamping assemblies 3 fix the front chassis by means of embracing and clamping, wherein "embracing" means applying multiple forces from the peripheral sides of the front chassis toward its center, so as to stably maintain it in the target position. There are many specific structural forms of the clamping assemblies 3, as long as they can ensure the stable locking of the front chassis, and this embodiment does not limit it.

[0043] In the technical solution provided by the utility model, both rotating parts 21 can rotate along the axis located in the first direction, and a flipping interval is formed between the two. At the same time, each rotating part 21 is provided with a clamping assembly 3. After the front chassis to be flipped is placed in the flipping interval, the front chassis is embraced and clamped stably by the two clamping assemblies 3, and finally the two rotating parts 21 are driven to rotate 180 degrees to complete the flipping operation of the front chassis. The entire flipping process only requires operating the clamping assembly 3 to clamp the front chassis, and then operating the rotating part 21 to rotate. The operation difficulty is lower than the traditional method. At the same time, the front chassis is not easy to fall from the two clamping assemblies 3, and the safety of the device is higher. In addition, since the two rotating parts 21 can also rotate along the axis located in the first direction, the size of the flipping interval can be changed, so that the fan chassis flipping device 100 can be suitable for front chassis of different specifications.

[0044] Furthermore, in some embodiments, the mounting structure 1 includes a mounting seat and two columns 12, the two columns 12 are movably arranged on the mounting seat along the first direction and extend along the second direction, a lifting seat 121 is also arranged on the column 12, and the two rotating parts 21 are respectively arranged on the corresponding lifting seats 121, and the position of the lifting seats 121 in the second direction is adjustable; wherein the first direction and the second direction are arranged at an angle.

[0045] It should be noted that the mounting seat serves as the mounting base for the two columns 12. It can be configured as an integrated structure according to actual needs (in this solution, each column 12 is simultaneously arranged on the entire mounting seat, and there is no need to align the two columns 12), or it can be configured as a split structure composed of multiple parts (in this solution, each column 12 is respectively arranged on different parts of the mounting seat, which is conducive to the disassembly and installation of the mounting structure 1 and convenient for transportation). This embodiment does not limit this. It should be noted that the lifting seat 121 can be movably adjusted along the second direction. There are various structural forms to achieve this movement, which is not limited to this in this embodiment.

[0046] It should be noted that the first direction and the second direction are set at an angle, which means that in an actual installation and use scenario, when the first direction is set to a horizontal direction, the second direction can be set to a gravity direction or to other directions, as long as it can be ensured that the movement of the lifting seat 121 in the second direction can move away from or approach the mounting seat.

[0047] According to the above technical solution, the mounting structure 1 is composed of a mounting seat and two columns 12, and the rotating part 21 is also indirectly mounted on the column 12 through the lifting seat 121. Therefore, the size of the flipping interval can be changed by adjusting the position of the column 12 in the first direction. At the same time, the column 12 can also transfer the gravity borne by the rotating part 21 to the mounting seat, so as to stably carry a front chassis with a larger specification. Moreover, since the position of the rotating part 21 in the second direction is adjustable through the lifting seat 121, the clamping assembly 3 can be lifted up to a higher place after clamping the front chassis to detach from the transportation device, and can fall back to a lower place after the flipping is completed to place the front chassis on the transportation device, thereby improving the degree of automation of the fan chassis flipping device 100.

[0048] Specifically, in this embodiment, the fan chassis turning device 100 further includes a first guide assembly 13, which is disposed between the column 12 and the mounting seat to limit the movement of the column 12 in a first direction; and / or,

[0049] The fan chassis turning device 100 further includes a second guide assembly 14 , which is disposed between the column 12 and the lifting seat 121 to limit the movement of the lifting seat 121 in a second direction.

[0050] It should be noted that the above two parallel technical features can be set either one or at the same time, that is, the above embodiment includes three sets of parallel technical solutions. Obviously, the effect of setting two parallel technical features at the same time is better.

[0051] It should be noted that the first guide assembly 13 and the second guide assembly 14 may have various structural types, for example, they may include a slide rail and slider guide assembly, or a guide rod and sleeve guide assembly, or they may be set as a combination of the two guide assemblies, which is not limited in this embodiment.

[0052] According to the above technical solution, the first guide component 13 is provided to provide precise guidance for the movement of the column 12 along the first direction, preventing the movement of the column 12 from deviating from the designed trajectory, thereby improving the stability of the operation of the fan chassis flipping device 100; at the same time, the second guide component 14 is provided to provide precise guidance for the movement of the lifting seat 121 along the second direction, preventing the movement of the lifting seat 121 from deviating from the designed trajectory, thereby improving the stability and reliability of the operation of the fan chassis flipping device 100.

[0053] Specifically, in other embodiments, a first hydraulic cylinder 4 is provided on the column 12, and a telescopic rod of the first hydraulic cylinder 4 is telescopically movable along the second direction and is mounted to the lifting seat 121. It can be understood that the first hydraulic cylinder 4 can withstand a larger load and is more suitable for the lifting and driving scene of a large megawatt and high tonnage front chassis.

[0054] More specifically, in some embodiments, a plurality of first hydraulic cylinders 4 are provided and arranged along the second direction to ensure that the center of gravity of the rotating part 21, the clamping assembly 3 and the front frame is between two first hydraulic cylinders 4, thereby offsetting the gravity of the rotating part 21, the clamping assembly 3 and the front frame through the plurality of first hydraulic cylinders 4, thereby preventing other load-bearing structures from being subjected to bending moments.

[0055] In some embodiments, the clamping assembly 3 includes an embracing structure 31 and a clamping structure 32. The embracing structure 31 is arranged on the rotating part 21 to abut against one side of the front base frame; the clamping structure 32 includes two clamping parts 321 opposite to each other along the second direction, and the two clamping parts 321 are arranged on the rotating part 21 to abut against the top and bottom of the front base frame respectively; wherein the embracing structures 31 of the two clamping assemblies 3 can embrace the front base frame; the first direction is arranged at an angle to the second direction.

[0056] Please note that Figure 1 , with the clamping structure 32 as a reference, the second direction can refer to the length direction of the rotating part 21; the two clamping components 3 are located on both sides of the first direction of the front chassis, so the two engaging structures 31 can engage with the front chassis in the first direction, and the structural form of the engaging structure 31 can be set to an overall fixed form (in this case, it can usually only engage with a front chassis of a specific specification), or it can be set to a separate movable form (in this case, by adjusting the engaging angles of different parts, it can engage with front chassis of different specifications), which is not limited in this embodiment.

[0057] According to the above technical solution, the embracing structure 31 can radially embrace the side of the front chassis, thereby limiting the two translational degrees of freedom of the front chassis. At the same time, since the first direction and the second direction are arranged at an angle, and the clamping structure 32 can clamp the front chassis from the second direction, thereby limiting the freedom of the front chassis in the second direction. During the flipping process, the three translational degrees of freedom of the front chassis are always restricted, thereby limiting the front chassis from falling off the clamping assembly 3, thereby ensuring the safety of the flipping process.

[0058] Specifically, in this embodiment, the embracing structure 31 includes two embracing parts 311, which are opposite to each other in the third direction and are hingedly mounted to the rotating part 21 along the axis of the second direction. The two embracing parts 311 can abut against the side of the front frame during their rotation range; wherein the third direction is set at an angle to both the first direction and the second direction.

[0059] According to the above technical solution, the embracing structure 31 is configured to be composed of two embracing parts 311 arranged in the third direction. At the same time, since the embracing part 311 can rotate along the axis in the second direction, the embracing structure 31 can adjust its own opening and closing angle according to different specifications of the front chassis to be flipped, thereby improving the application scope of the embracing structure 31; not only that, since the third direction is arranged at an angle with the first direction and the second direction, when the rotating part 21 drives the front chassis to flip 90 degrees, the embracing part 311 can be on the lower side of the front chassis to limit the front chassis and prevent the front chassis from slipping off the clamping assembly 3.

[0060] Specifically, in another embodiment, the two clamping parts 321 include a movable clamping part 321a, and the position of the movable clamping part 321a in the second direction is adjustable. It should be noted that in the above technical solution, one movable clamping part 321a or two movable clamping parts 321a can be provided, and by adjusting the position of the movable clamping part 321a in the second direction, the distance between the two clamping parts 321 can be changed, so that the clamping structure 32 can be suitable for different front chassis to be flipped.

[0061] Further, in some embodiments, a second hydraulic cylinder 5 is provided on the rotating portion 21, and a telescopic rod of the second hydraulic cylinder 5 is telescopically movable along the second direction and is mounted to the movable clamping portion 321a; and / or,

[0062] The fan chassis turning device 100 further comprises a third guide assembly 6, which is disposed between the movable clamping portion 321a and the rotating portion 21 to limit the movement of the movable clamping portion 321a in the second direction.

[0063] It should be noted that the above two parallel technical features can be set either one or at the same time, that is, the above embodiment includes three sets of parallel technical solutions. Obviously, the effect of setting two parallel technical features at the same time is better.

[0064] It should be noted that the third guide assembly 6 may have various structural types, for example, it may include a slide rail and slider guide assembly, or it may include a guide rod and sleeve guide assembly, which is not limited in this embodiment.

[0065] According to the above technical solution, the second hydraulic cylinder 5 can withstand a larger load and is more suitable for the clamping and driving scenarios of large-megawatt and high-tonnage front underframes. The provision of the third guide assembly 6 can provide precise guidance for the movement of the movable clamping portion 321a along the second direction, thereby preventing the movement of the movable clamping portion 321a from deviating from the designed trajectory, thereby improving the stability of the operation of the wind turbine underframe flipping device 100.

[0066] It is understandable that, due to the large size and weight of the front chassis of the fan, the clamping assembly 3 will inevitably apply a large clamping force during the clamping process. However, the large clamping force acting on the surface of the front chassis may cause surface concavity damage. In view of this, in some embodiments, an elastic structure 322 is provided on the abutting surface of the clamping portion 321. Due to the resilience of the elastic structure 322 itself, when the clamping portion 321 clamps the irregular surface of the front chassis, the clamping portion 321 can transfer the clamping force to the entire clamping surface more evenly, which can prevent the surface of the front chassis from being mechanically damaged. At the same time, the elastic structure 322 can also increase the friction coefficient between the clamping portion 321 and the front chassis, reducing the probability of slipping between the two.

[0067] It should be noted that the elastic structure 322 refers to a structure in which the material itself can undergo elastic deformation.

[0068] There are many choices of materials for the elastic structure 322, such as rubber or plastic. In this embodiment, the elastic structure 322 includes a polyurethane structure. Since the polyurethane material has the advantages of high tear strength, high tensile strength, good resilience, and good aging resistance, after the clamping portion 321 repeatedly applies a large clamping force to the front chassis through the polyurethane structure, the polyurethane structure can rebound to its initial shape, and has good reusability and a long service life.

[0069] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made under the concept of the present invention using the contents of the specification and drawings of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A fan chassis turning device, characterized in that: include: Mounting structure (1); A flip structure (2) is arranged on the mounting structure (1) and has two rotating parts (21), the two rotating parts (21) are opposite to each other in a first direction to form a flipping interval, the flipping interval is used to place the front chassis, the rotating parts (21) can rotate along an axis in the first direction and are movable along the first direction; and Two clamping assemblies (3) are respectively arranged on the two rotating parts (21) and are used to embrace and clamp the front chassis in the turning interval.

2. The fan chassis turning device according to claim 1, characterized in that: The mounting structure (1) comprises: Mounting seat (11); Two columns (12) are movably arranged on the mounting seat (11) along a first direction and extend along a second direction; a lifting seat (121) is also arranged on the column (12); the two rotating parts (21) are respectively arranged on the corresponding lifting seats (121); and the position of the lifting seats (121) in the second direction is adjustable; The first direction and the second direction are arranged at an angle.

3. The fan chassis turning device according to claim 2, characterized in that: The fan chassis turning device further comprises a first guide assembly (13), wherein the first guide assembly (13) is arranged between the column (12) and the mounting seat (11) and is used to limit the movement of the column (12) in a first direction; and / or, The fan chassis turning device further comprises a second guide assembly (14), wherein the second guide assembly (14) is arranged between the column (12) and the lifting seat (121) and is used to limit the movement of the lifting seat (121) in a second direction.

4. The fan chassis turning device according to claim 2, characterized in that: The column (12) is provided with a first hydraulic cylinder (4), the telescopic rod of the first hydraulic cylinder (4) is telescopically movable along a second direction and is mounted on the lifting seat (121).

5. The fan chassis turning device according to claim 1, characterized in that: The clamping assembly (3) comprises: an embracing structure (31), arranged on the rotating portion (21) and used for abutting against a side portion of the front chassis; and A clamping structure (32), comprising two clamping portions (321) opposite to each other along a second direction, wherein the two clamping portions (321) are arranged on the rotating portion (21) and are respectively used to abut against the top and bottom of the front bottom frame; Wherein, the embracing structures (31) of the two clamping assemblies (3) are capable of embracing the front chassis; The first direction and the second direction are arranged at an angle.

6. The fan chassis turning device according to claim 5, characterized in that: The embracing structure (31) comprises two embracing parts (311), the two embracing parts (311) are opposite to each other in the third direction, and are hingedly mounted to the rotating part (21) along an axis located in the second direction, and the two embracing parts (311) can abut against the side of the front chassis during their rotational travel; The third direction is arranged at an angle to both the first direction and the second direction.

7. The fan chassis turning device according to claim 5, characterized in that: The two clamping parts (321) include a movable clamping part (321a), and the position of the movable clamping part (321a) in the second direction is adjustable.

8. The fan chassis turning device according to claim 7, characterized in that: The rotating portion (21) is provided with a second hydraulic cylinder (5), the telescopic rod of the second hydraulic cylinder (5) is telescopically movable along a second direction and is mounted on the movable clamping portion (321a); ​​and / or, The fan chassis flipping device also includes a third guide assembly (6), which is arranged between the movable clamping portion (321a) and the rotating portion (21) to limit the movement of the movable clamping portion (321a) in the second direction.

9. The fan chassis turning device according to claim 5, characterized in that: An elastic structure (322) is provided on the abutting surface of the clamping portion (321).

10. The fan chassis turning device according to claim 9, characterized in that: The elastic structure (322) includes a polyurethane structure.

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