CN218664935U

CN218664935U - Hoisting tool

Info

Publication number: CN218664935U
Application number: CN202222812948.XU
Authority: CN
Inventors: 罗文振; 许军; 王福东; 秦野
Original assignee: Nanjing High Speed Gear Manufacturing Co Ltd
Current assignee: Nanjing High Speed Gear Manufacturing Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-21
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a lift by crane frock belongs to fan tower maintenance technical field. The fan tower comprises a cabin and an internal device arranged in the cabin, a lifting opening is formed in the cabin, a lifting tool can penetrate through the lifting opening, the lifting tool comprises a lifting beam, a connecting lug assembly arranged on the lifting beam and a connecting assembly arranged on the lifting beam, the connecting lug assembly is used for being connected with the external lifting device, and the connecting assembly is used for being connected with the internal device. The utility model discloses a lift by crane the frock, hang out the cabin through hanging the thing mouth and maintain internal arrangement, through the thing mouth that hangs that the make full use of cabin was reserved and need not to open the cabin, reduce the operating procedure, conveniently maintain the internal arrangement in fan tower machine cabin.

Description

Hoisting tool

Technical Field

The utility model relates to a fan tower maintenance technical field especially relates to a lift by crane frock.

Background

The fan tower is used for the field environment, and under unstable wind condition operational environment and simple and irregular fan fortune dimension operation, the trouble frequently takes place, and the height of fan tower is higher, leads to the maintenance inconvenient. The wind turbine tower comprises a nacelle and an interior device disposed within the nacelle. In the prior art, due to the influences of factors such as the internal space of a cabin, the height of a tower barrel of a fan tower, the weight of a large part, safety and the like, when an internal device breaks down, an upper cover of the cabin is required to be opened, the internal device is lifted by a large crane for maintenance or replacement, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift by crane frock, the internal device in the convenient maintenance fan tower machine cabin.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a lift by crane frock, the wind turbine tower includes the cabin and locates interior arrangement in the cabin, the thing mouth has been seted up to the cabin, it can pass to lift by crane the frock hang the thing mouth, lift by crane the frock and include the lifting beam, locate the engaging lug subassembly of lifting beam with locate coupling assembling on the lifting beam, the engaging lug subassembly is used for being connected with outside lifting device, coupling assembling be used for with interior arrangement connects.

In some possible embodiments, the connection assembly includes a first connection rod, a second connection rod, a pin and a plurality of fasteners, the pin is disposed on the lifting beam, the first connection rod and the second connection rod are rotatably connected to the pin, the first connection rod and the second connection rod are clamped on two sides of the internal device, and the first connection rod and the second connection rod are respectively connected to the internal device through the fasteners.

In some possible embodiments, the first connecting rod is provided with a first radian and the first connecting rod is adapted to the shape of the inner device; and/or

The second connecting rod is provided with a second radian, and the second connecting rod is adapted to the shape of the internal device.

In some possible embodiments, the number of the connecting assemblies is two, the connecting assembly further comprises a moving seat, the moving seat is movably connected to the lifting beam, and the pin shaft is connected to the moving seat.

In some possible embodiments, the lifting device further comprises a transmission mechanism, and the movable seat moves along the lifting beam through the transmission mechanism.

In some possible embodiments, the transmission mechanism includes an adjusting screw and a screw nut sleeved on the adjusting screw, a support is arranged on the lifting beam in a protruding manner, a connecting boss is arranged on the moving seat in a protruding manner, the screw nut is connected with the connecting boss, and the adjusting screw is rotatably connected to the support.

In some possible embodiments, there are two engaging lug assemblies, and the two moving seats and the two engaging lug assemblies are symmetrically arranged along the same symmetry plane.

In some possible embodiments, the engaging lug assembly includes a lifting connecting pin and two lug plates, the two lug plates are connected to the lifting beam, the lifting connecting pin is detachably connected to the two lug plates, and the lifting connecting pin is connected to an external lifting device.

In some possible embodiments, the engaging lug assembly further comprises an adjustment assembly connected to the hoist link pin.

In some possible embodiments, there are two adjusting assemblies, two adjusting assemblies are respectively disposed near the two ear plates, and the overall thicknesses of the two adjusting assemblies are different.

The utility model has the advantages that:

the utility model provides a pair of lift by crane the frock because the frock of lifting by crane can pass and hang the thing mouth, when needs maintain the internal device, can pass to hang the frock of lifting by crane the thing mouth and get into the cabin, coupling assembling is connected with the internal device, later coupling assembling with if outside hoisting accessory such as crawler crane or automobile crane are connected, hang out the cabin through hanging the thing mouth and maintain the internal device. The object hanging opening reserved in the engine room is fully utilized, the engine room does not need to be opened, operation steps are reduced, and maintenance is facilitated. The connecting assembly is connected with the internal device, so that the connection reliability is improved, and the risk that the internal device falls off from the connecting assembly in the hoisting process is avoided. The hoisting tool can be sent into the cabin in a zero part mode, the hoisting tool is built in the cabin, the hoisting tool is sent into the cabin more conveniently, and convenience is improved.

Drawings

Fig. 1 is a schematic structural view of a hoisting tool provided by a specific embodiment of the present invention.

In the figure:

1. lifting the lifting beam; 11. a support;

2. a connecting lug assembly; 21. hoisting a connecting pin; 22. an ear plate; 23. an adjustment assembly; 231. a U-shaped block; 232. a limiting rod;

3. a connection assembly; 31. a first connecting rod; 311. mounting holes; 32. a second connecting rod; 33. a pin shaft; 34. a movable seat; 341. connecting the bosses;

4. and adjusting the lead screw.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The fan tower includes the cabin and locates interior devices such as planetary gear mechanism in the cabin, and the cabin has been seted up and has been hung the thing mouth, and this embodiment provides a frock of lifting by crane, lifts by crane the frock and can pass and hang the thing mouth, as shown in fig. 1, lifts by crane the frock and includes lifting beam 1, locate the engaging lug subassembly 2 of lifting beam 1 and locate the coupling assembling 3 on lifting beam 1, engaging lug subassembly 2 is used for being connected with outside lifting by crane device, coupling assembling 3 is used for being connected with interior device.

Because the hoisting tool can penetrate through the hoisting opening, when the internal device needs to be maintained, the hoisting tool can penetrate through the hoisting opening to enter the cabin, the connecting assembly 3 is connected with the internal device, then the connecting assembly 3 is connected with an external hoisting device such as a crawler crane or a truck crane, and the internal device is hoisted out of the cabin through the hoisting opening to be maintained. The object hanging opening reserved in the engine room is fully utilized, the engine room does not need to be opened, operation steps are reduced, and maintenance is facilitated. Coupling assembling 3 is connected with the internal arrangement, has improved the connection reliability, avoids lifting by crane the in-process and takes place the risk that the internal arrangement drops in coupling assembling 3. The hoisting tool can be sent into the cabin in a zero part mode, the hoisting tool is built in the cabin, the hoisting tool is sent into the cabin more conveniently, and convenience is improved.

In this embodiment, the fan tower includes fan blade and wheel hub, the driving chain, be equipped with the gear box in the cabin and with the parallel level gear box of gear box complex, planetary gear mechanism locates in the gear box, when adopting the aforesaid to lift by crane the frock, compared with the prior art, this scheme need not to open the cabin, do not demolish fan blade, do not wholly tear the driving chain open, and only move one section distance behind parallel level gear box and the gear box part, guarantee planetary gear mechanism can follow the gear box and take out can, operating procedure has been simplified greatly, must use the loop wheel machine to have solved, the expense is high, the operation cycle length scheduling problem, better security and simplicity have simultaneously.

The nacelle generally includes an upper cover and a lower cover, and a nacelle opening is provided in the lower cover.

In one embodiment, as shown in fig. 1, the connection assembly 3 includes a first connection rod 31, a second connection rod 32, a pin 33 and a plurality of fasteners, the pin 33 is disposed on the lifting beam 1, the first connection rod 31 and the second connection rod 32 are rotatably connected to the pin 33, the first connection rod 31 and the second connection rod 32 are clamped on two sides of the internal device, and the first connection rod 31 and the second connection rod 32 are respectively connected to the internal device through the fasteners. The first connecting rod 31 and the second connecting rod 32 rotate around the pin shaft 33 respectively, the opening size between the first connecting rod 31 and the second connecting rod 32 is changed, internal devices with different width sizes can be contained, and the applicability is improved. The first connecting rod 31 and the second connecting rod 32 are respectively provided with a mounting hole 311, the internal device is provided with a hole site, for example, the mounting hole 311 is a through hole, the hole site is a threaded hole, the fastener is a bolt, and the bolt penetrates through the through hole and is in threaded connection with the threaded hole.

In one embodiment, as shown in fig. 1, the first connecting rod 31 has a first radian, and the first connecting rod 31 is adapted to the shape of the internal device, so as to ensure the close fit between the first connecting rod 31 and the internal device, improve the connection reliability, and further prevent the internal device from falling off the first connecting rod 31; similarly, the second connecting rod 32 is provided with a second radian, and the second connecting rod 32 is adapted to the shape of the internal device, so that the second connecting rod 32 and the internal device are tightly attached to each other, the connection reliability is improved, and the internal device is further prevented from falling off the second connecting rod 32. Specifically, the shape and size of the first connecting rod 31 and the second connecting rod 32, and the size of the first arc and the second arc may be set according to different internal devices.

In an embodiment, as shown in fig. 1, there are two connecting assemblies 3, each connecting assembly 3 further includes a moving seat 34, each moving seat 34 is movably connected to the lifting beam 1, a pin 33 is connected to the moving seat 34, the first connecting rod 31 and the second connecting rod 32 are connected to the moving seat 34 through the pin 33, the moving seat 34 drives the first connecting rod 31 and the second connecting rod 32 to move simultaneously when moving on the lifting beam 1, and specifically, the distance between the two connecting assemblies 3 can be adjusted according to internal devices of different sizes, so as to improve the applicability to the internal devices of different sizes. Specifically, the connecting assembly 3 is adjusted according to the hole positions on the internal device, so that the hole positions on the internal device are aligned with the mounting holes 311 on the first connecting rod 31 and the second connecting rod 32, and are connected through fasteners such as bolts.

In one embodiment, as shown in fig. 1, the movable seat 34 is connected to the lifting beam 1 by a transmission mechanism, and the movable seat 34 is moved along the lifting beam 1 by the transmission mechanism so as to adjust the displacement of the movable seat 34. In one embodiment, the transmission mechanism includes an adjusting screw 4 and a screw nut (not shown) sleeved on the adjusting screw 4, the screw nut is connected to the movable base 34, the adjusting screw 4 is rotatably connected to the lifting beam 1, and the displacement of the movable base 34 can be precisely adjusted by adjusting the adjusting screw 4. The adjusting screw 4 can be driven to rotate by a motor (not shown in the figure). Furthermore, a connecting boss 341 is convexly arranged on the movable seat 34, a support 11 is convexly arranged on the lifting beam 1, a screw nut is fixed on the connecting boss 341, and the adjusting screw 4 is rotatably connected to the support 11.

In one embodiment, as shown in fig. 1, two engaging lug assemblies 2 are provided, and two moving seats 34 and two engaging lug assemblies 2 are symmetrically arranged along the same symmetry plane, so as to ensure the balance along the direction of the lifting beam 1 during the lifting process.

In one embodiment, as shown in fig. 1, the engaging lug assembly 2 includes a lifting connecting pin 21 and two lug plates 22, the two lug plates 22 are connected to the lifting beam 1, the lifting connecting pin 21 is detachably connected to the two lug plates 22, the lifting connecting pin 21 is connected to an external lifting device, and the lug plates 22 and the lifting beam 1 are of an integral structure, or the lug plates 22 are welded to the lifting beam 1, so as to ensure the connection reliability. The lifting connecting pin 21 comprises a pin body and a baffle arranged at one end of the pin body, the pin body penetrates through the two lug plates 22 and then is connected with the pin body through a nut, and the baffle and the nut are limited.

After the lifting connecting pin 21 of the engaging lug assembly 2 is connected with the external lifting device, the external lifting device lifts, gravity center shift may occur in the lifting process, in an embodiment, as shown in fig. 1, the engaging lug assembly 2 further comprises an adjusting assembly 23, the adjusting assembly 23 is connected to the lifting connecting pin 21, the gravity center shift problem is solved by adjusting the stress balance through the weight of the adjusting assembly 23, and the gravity center of the engaging lug assembly and the gravity center of the internal device are ensured to be in the same vertical plane during lifting. In one embodiment, two adjusting assemblies 23 are provided, two adjusting assemblies 23 are respectively arranged near two ear plates 22, and the overall thicknesses of the two adjusting assemblies 23 are different, so that the center of gravity can be adjusted. The adjusting assembly 23 comprises a plurality of U-shaped blocks 231 and two limiting rods 232, the U-shaped blocks 231 are arranged on the hoisting connecting pin 21, and the limiting rods 232 are connected with the U-shaped blocks 231 and the ear plates 22, so that the installation is stable, and the number of the U-shaped blocks 231 can be adjusted according to requirements.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a lift by crane frock, the wind turbine tower includes the cabin and locates interior arrangement in the cabin, the thing mouth of hanging has been seted up to the cabin, its characterized in that, it can pass to lift by crane the frock hang the thing mouth, lift by crane the frock including lifting beam (1), locate lifting beam (1) engaging lug subassembly (2) with locate coupling assembling (3) on lifting beam (1), engaging lug subassembly (2) are used for being connected with outside lifting device, coupling assembling (3) be used for with interior arrangement connects.

2. The hoisting tool according to claim 1, wherein the connecting assembly (3) comprises a first connecting rod (31), a second connecting rod (32), a pin shaft (33) and a plurality of fasteners, the pin shaft (33) is arranged on the hoisting beam (1), the first connecting rod (31) and the second connecting rod (32) are rotatably connected to the pin shaft (33), the first connecting rod (31) and the second connecting rod (32) are clamped at two sides of the internal device, and the first connecting rod (31) and the second connecting rod (32) are respectively connected with the internal device through the fasteners.

3. The hoisting tool of claim 2, wherein,

the first connecting rod (31) is provided with a first radian, and the shape of the first connecting rod (31) is adapted to the shape of the internal device; and/or

The second connecting rod (32) is provided with a second radian, and the second connecting rod (32) is matched with the shape of the internal device.

4. The hoisting tool according to claim 2, wherein the number of the connecting assemblies (3) is two, the connecting assemblies (3) further comprise moving seats (34), the moving seats (34) are movably connected to the hoisting beam (1), and the pin shafts (33) are connected to the moving seats (34).

5. Hoisting tool according to claim 4, further comprising a transmission mechanism, wherein the movable seat (34) is moved along the hoisting beam (1) by the transmission mechanism.

6. The hoisting tool according to claim 5, wherein the transmission mechanism comprises an adjusting screw (4) and a screw nut sleeved on the adjusting screw (4), a support (11) is arranged on the hoisting beam (1) in a protruding mode, a connecting boss (341) is arranged on the moving seat (34) in a protruding mode, the screw nut is connected with the connecting boss (341), and the adjusting screw (4) is rotatably connected to the support (11).

7. Hoisting tool according to claim 4, characterized in that there are two said engaging lug assemblies (2), and two said moving seats (34) and two said engaging lug assemblies (2) are symmetrically disposed along the same plane of symmetry.

8. A hoisting tool according to any one of claims 1 to 7, wherein the engaging lug assembly (2) comprises a hoisting connecting pin (21) and two lug plates (22), the two lug plates (22) are connected to the hoisting beam (1), the hoisting connecting pin (21) is detachably connected to the two lug plates (22), and the hoisting connecting pin (21) is connected with an external hoisting device.

9. Hoisting tooling according to claim 8, characterized in that the engaging lug assembly (2) further comprises an adjustment assembly (23), the adjustment assembly (23) being connected to the hoisting connection pin (21).

10. The hoisting tool according to claim 9, wherein two adjusting assemblies (23) are provided, the two adjusting assemblies (23) are respectively arranged close to the two ear plates (22), and the overall thicknesses of the two adjusting assemblies (23) are different.