CN220702980U

CN220702980U - Upper hanging bracket device

Info

Publication number: CN220702980U
Application number: CN202322422185.2U
Authority: CN
Inventors: 陈辉; 尹剑锋; 余学军; 周二锋; 谢冠
Original assignee: Ningbo Branch Cccc No3 Harbor Engineering Co ltd; CCCC Third Harbor Engineering Co Ltd
Current assignee: Ningbo Branch Cccc No3 Harbor Engineering Co ltd; CCCC Third Harbor Engineering Co Ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-02
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses an upper hanging bracket device, and relates to the technical field of offshore wind turbines. The upper hanger device provided by the utility model comprises: the device comprises a body, a synchronous lifting hydraulic cylinder assembly, a buffer hydraulic cylinder assembly, a fine positioning assembly, a pump station and an energy accumulator assembly; the body comprises an annular part and a support frame part connected to the outer side of the annular part; the synchronous lifting hydraulic cylinder assembly and the buffer hydraulic cylinder assembly are sequentially arranged at intervals on the annular part; the fine positioning component, the pump station and the energy accumulator component are all arranged on the support frame part. According to the utility model, the synchronous lifting hydraulic cylinder assembly, the buffer hydraulic cylinder assembly and the fine positioning assembly are integrated on the body, so that the actions of a plurality of hydraulic cylinders can be effectively fused, the control is performed in the same operation interface, and the operation is convenient and efficient. The upper hanging bracket device can be jointly debugged with the balance beam on the transport ship, so that the stability of the system is ensured, and the safety risk is reduced.

Description

Upper hanging bracket device

Technical Field

The utility model relates to the technical field of offshore wind turbines, in particular to an upper hanging bracket device.

Background

Some sea areas in China can not be assembled with wind power generator units in a split mode due to deep mud geology and deep water depth, and an offshore wind turbine integral hanging frame process is needed. The integral hanging bracket system of the offshore wind driven generator comprises a lower locating device, an upper hanging bracket device, a balance beam and other main equipment.

In the prior art, the upper hanging bracket device only has a buffering function, and the buffering in the descending process of the wind generating set is achieved by arranging 8 buffering oil cylinders and energy accumulator devices on the circumference of the upper hanging bracket. The jacking oil cylinder and the fine positioning oil cylinder are arranged on the lower positioning device, so that the operation interfaces cannot be unified. Buffering, jacking and fine positioning operations need to be carried out independently. In addition, the lower positioning device needs to be installed on the offshore site in advance. Before the whole hanging frame, the jacking oil cylinder and the fine positioning oil cylinder of the lower part locating device are required to be debugged, and the linkage with the upper hanging frame device and the balance beam cannot be achieved. The personnel have safety risks in getting on and off the bearing platform for many times, and the jacking cylinder is also required to be protected.

Disclosure of Invention

In view of the above, the utility model provides an upper hanging bracket device which can integrate buffering, jacking and fine positioning functions, so that the operation is more convenient and efficient.

The present utility model provides an upper hanger apparatus comprising: the device comprises a body, a synchronous lifting hydraulic cylinder assembly, a buffer hydraulic cylinder assembly, a fine positioning assembly, a pump station and an energy accumulator assembly;

wherein the body comprises an annular part and a support frame part connected to the outer side of the annular part;

the synchronous lifting hydraulic cylinder assembly and the buffer hydraulic cylinder assembly are sequentially arranged on the annular part at intervals;

the accurate positioning assembly, the pump station and the energy accumulator assembly are arranged on the supporting frame portion, the pump station is connected with the synchronous lifting hydraulic cylinder assembly and/or the accurate positioning assembly, and the energy accumulator assembly is connected with the buffer hydraulic cylinder assembly.

In an alternative embodiment, the annular portion of the body includes upper and lower ring beams disposed longitudinally and coaxially, and the upper ring beam is located above the lower ring beam;

the upper ring beam and the lower ring beam are connected through a plurality of vertical connecting rods;

the synchronous lifting hydraulic cylinder assembly and the buffer hydraulic cylinder assembly are sequentially arranged at intervals along one circle of the top of the lower ring beam.

In an alternative embodiment, the support frame portion includes a frame, a horizontal connecting rod, and a diagonal connecting rod;

wherein the frame is in a regular octagon shape and is positioned on the same horizontal plane as the lower ring beam;

the frame is connected with the lower ring beam through a plurality of horizontal connecting rods and is also connected with the upper ring beam through a plurality of inclined connecting rods.

In an alternative embodiment, the support frame portion further comprises a bearing assembly;

the bearing assemblies are arranged on two opposite sides of the supporting frame part, and any bearing assembly is connected with the frame and the inclined connecting rods.

In an alternative embodiment, the synchronous lifting hydraulic cylinder assembly and the buffer hydraulic cylinder assembly each comprise eight;

the lower ring beam between any two adjacent horizontal connecting rods is provided with a synchronous lifting hydraulic cylinder assembly and a buffer hydraulic cylinder assembly;

the energy accumulator components comprise eight energy accumulator components and are respectively arranged on one side of the horizontal connecting rod, which is close to the buffer hydraulic cylinder components, and any energy accumulator component is connected with one buffer hydraulic cylinder component.

In an alternative embodiment, the support frame portion further comprises a plurality of horizontal support plates;

the horizontal support plates are connected between the frame and the lower ring beam and positioned on one side, close to the synchronous lifting hydraulic cylinder assembly, between the adjacent horizontal connecting rods;

the pump station is arranged on the horizontal supporting plate and is at least connected with the synchronous lifting hydraulic cylinder assembly or the fine positioning assembly.

In an alternative embodiment, the horizontal support plates are arranged between the horizontal connecting rods at intervals, and the pump station comprises four pump stations;

wherein, two pump stations which are arranged oppositely are connected with the synchronous lifting hydraulic cylinder component;

in addition, two pump stations which are oppositely arranged are connected with the synchronous lifting hydraulic cylinder component and the fine positioning component.

In an alternative embodiment, the fine positioning components are arranged on two opposite sides of the support frame part;

the fine positioning assembly comprises a positioning pin hole seat, a radial hydraulic cylinder and a tangential hydraulic cylinder;

the radial hydraulic cylinder and the tangential hydraulic cylinder are respectively connected to two adjacent sides of the positioning pin hole seat, the radial hydraulic cylinder is connected to the bottom of the horizontal connecting rod, and the tangential hydraulic cylinder is connected to the bottom of the frame.

In an alternative embodiment, a transition flange is connected to the side of the damping cylinder assembly facing away from the support frame part.

Compared with the prior art, the upper hanging bracket device provided by the utility model has the following beneficial effects:

in the embodiment of the utility model, the synchronous lifting hydraulic cylinder assembly, the buffer hydraulic cylinder assembly and the fine positioning assembly are integrated on the body, so that the actions of a plurality of hydraulic cylinders can be effectively fused, and the synchronous lifting hydraulic cylinder assembly, the buffer hydraulic cylinder assembly and the fine positioning assembly are controlled in the same operation interface, so that the operation is convenient and efficient. The upper hanging bracket device can be jointly debugged with the balance beam on the transport ship, so that the action of the whole hoisting process can be covered, and the stability of the system is ensured; the device debugging of the frequent upper and lower bearing platforms of operators before integral hoisting is avoided, and the safety risk is reduced.

Of course, it is not necessary for any one product embodying the utility model to achieve all of the technical effects described above at the same time.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic perspective view of an upper hanger device according to the present utility model;

FIG. 2 is a schematic top view of an upper hanger apparatus according to the present utility model;

FIG. 3 is a schematic bottom view of an upper hanger apparatus according to the present utility model;

FIG. 4 is a schematic elevational view of an upper hanger device according to the present utility model;

FIG. 5 is a schematic diagram of a fine positioning assembly according to the present utility model;

FIG. 6 is a schematic diagram of an assembly of a fine positioning assembly according to the present utility model;

FIG. 7 is a schematic diagram of a buffer cylinder assembly according to the present utility model;

FIG. 8 is a schematic diagram of a synchronous lifting hydraulic cylinder assembly according to the present utility model;

FIG. 9 is an enlarged view of a portion of A of FIG. 2;

fig. 10 is a partial enlarged view of B of fig. 2.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

An embodiment of the present utility model provides an upper hanger apparatus, as shown in fig. 1 to 4, including: the hydraulic system comprises a body 10, a synchronous lifting hydraulic cylinder assembly 20, a buffer hydraulic cylinder assembly 30, a fine positioning assembly 40, a pump station 50 and an energy accumulator assembly 60;

wherein the body 10 includes an annular portion 11 and a supporting frame portion 12 connected to the outside of the annular portion 11;

the synchronous lifting hydraulic cylinder assembly 20 and the buffer hydraulic cylinder assembly 30 are sequentially arranged on the annular part 11 at intervals;

the fine positioning assembly 40, the pump station 50 and the energy accumulator assembly 60 are all arranged on the support frame 12, the pump station 50 is connected with the synchronous lifting hydraulic cylinder assembly 20 and/or the fine positioning assembly 40, and the energy accumulator assembly 60 is connected with the buffer hydraulic cylinder assembly 30.

It will be appreciated that in the embodiments provided herein, the soft landing hoisting system operation is divided into three processes, marine transport and hoisting-installation-removal. The mounting process comprises the steps of (1) coarse guiding, (2) buffering, (3) synchronous lifting, (4) fine positioning centering, (5) flange connection and (6) dismantling.

In particular, coarse guiding means that the upper hanger means is in contact with the lower seating means along which the upper hanger means is lowered. Buffering means that the upper hanger means continues to descend and the buffering cylinder assembly 30 of the upper hanger means is in contact with the buffering impetus of the lower seating means. Synchronous lifting means that after buffering is finished, the synchronous lifting hydraulic cylinder assembly 30 of the upper hanger device is contacted with the synchronous lifting force plate of the lower positioning device, and synchronous descending is started. At the same time, the fine positioning assembly 40 of the upper hanger assembly begins to mate with the positioning pin of the lower positioning assembly until the synchronous lifting cylinder 30 assembly stops moving. Fine positioning means that the fine positioning assembly 40 of the upper hanger apparatus performs fine positioning in order to align the fan tower flange with the base tower flange face. The flange connection means that after the fine positioning and centering process is finished, positioning pins are inserted into a plurality of bolt holes of the upper fan tower barrel and the lower fan tower barrel, the inner flange faces are attached by descending, then the positioning pins are pulled out, high-strength bolts are installed at the aligned holes, and therefore the fan is installed.

As can be seen from the above description, the upper hanger device provided by the embodiment of the present utility model includes a main body 10, a synchronous lifting hydraulic cylinder assembly 20, a buffer hydraulic cylinder assembly 30, a fine positioning assembly 40, a pump station 50 and an accumulator assembly 60. The body 10 is used for supporting the synchronous lifting hydraulic cylinder assembly 20, the buffer hydraulic cylinder assembly 30 and the like. Specifically, the body 10 includes an annular portion 11 and a support frame portion 12 connected to the outside of the annular portion 11. The synchronous lifting hydraulic cylinder assembly 20 and the buffer hydraulic cylinder assembly 30 are sequentially arranged at intervals on the annular portion 11. The fine positioning assembly 40, the pump station 50 and the accumulator assembly 60 are all disposed on the support frame portion 12. The synchronous lifting hydraulic cylinder assembly 20 is used for accomplishing the above-mentioned synchronous lifting function, and the upper hanger device is synchronously and stably lowered on the offshore foundation cylinder. The buffer hydraulic cylinder assembly 30 is used for completing the buffer function and absorbing energy generated by the action of sea waves when the fan descends. The precise positioning component 40 is used for completing a precise positioning function, realizing translation (+ -150 mm) and rotation (+ -1.5) of the fan in the X-Y direction in the installation plane, and ensuring precise positioning of the flange installation hole in the fan with positioning accuracy (+ -1.5 mm).

Further, a pump station 50 connected to the synchronous lift cylinder assembly 20 and/or the fine positioning assembly 40 is used to supply oil to the synchronous lift cylinder assembly 20 and/or the fine positioning assembly 40. An accumulator assembly 60 is connected to the cushion hydraulic cylinder assembly 30 for supplying oil to the cushion hydraulic cylinder assembly 30.

Further, the upper hanger device provided in this embodiment further includes a diesel generator that supplies electric power to the entire power system.

In the embodiment of the utility model, the synchronous lifting hydraulic cylinder assembly 20, the buffer hydraulic cylinder assembly 30 and the fine positioning assembly 40 are integrated on the body 10, so that the actions of a plurality of hydraulic cylinders can be effectively fused, and the synchronous lifting hydraulic cylinder assembly, the buffer hydraulic cylinder assembly and the fine positioning assembly are controlled in the same operation interface, so that the operation is convenient and efficient. The upper hanging bracket device can be jointly debugged with the balance beam on the transport ship, so that the action of the whole hoisting process can be covered, and the stability of the system is ensured; the device debugging of the frequent upper and lower bearing platforms of operators before integral hoisting is avoided, and the safety risk is reduced.

In another alternative embodiment provided by the present utility model, as shown with continued reference to fig. 1-4 and 7-8, the annular portion 11 of the body 10 includes an upper ring beam 111 and a lower ring beam 112 disposed longitudinally and coaxially, with the upper ring beam 111 being located above the lower ring beam 112;

the upper ring beam 111 and the lower ring beam 112 are connected by a plurality of vertical connecting rods 113;

the synchronous lifting cylinder assemblies 20 and the buffer cylinder assemblies 30 are sequentially spaced along a circumference of the top of the lower ring beam 112.

It will be appreciated that the body 10 includes an annular portion 11 and a support frame portion 12, wherein the annular portion 10 is used to provide a synchronous lifting cylinder assembly 20 and a buffer cylinder assembly 30.

Specifically, the annular portion 11 includes an upper ring beam 111 and a lower ring beam 112, and the upper ring beam 111 and the lower ring beam 112 are annular rings having the same diameter of 7500mm and coaxial in the vertical direction. The upper ring beam 111 and the lower ring beam 112 are connected by a plurality of vertical connection bars 113. The vertical connection rod 113 is vertically disposed, and in general, the vertical connection rod 113 is connected to the connection of the support frame portion 12 and the annular portion 11.

Further, the number of simultaneous lifting cylinder assemblies 20 is the same as the number of buffer cylinder assemblies 30. The synchronous lifting cylinder assemblies 20 and the buffer cylinder assemblies 30 are sequentially spaced along a circumference of the top of the lower ring beam 112. The synchronous lifting hydraulic cylinder assembly 20 and the buffer hydraulic cylinder assembly 30 are used for synchronous lifting and buffering, and the acceleration during installation is ensured to be less than 0.25g.

In another alternative embodiment provided by the present utility model, with continued reference to fig. 1-4, the support frame portion 12 includes a frame 121, a horizontal connecting rod 122, and a diagonal connecting rod 123;

wherein the frame 121 is in a regular octagon shape and is positioned on the same horizontal plane as the lower ring beam 112;

the frame 121 is connected to the lower ring beam 112 by a plurality of horizontal connecting rods 122 and also to the upper ring beam 111 by a plurality of inclined connecting rods 123.

It will be appreciated that the support frame portion 12 is configured to carry the power means of the synchronous lift cylinder assembly 20 and the buffer cylinder assembly 30. Specifically, a pump station 50 for powering the synchronous lift cylinder assembly 20 and an accumulator assembly 60 for powering the buffer cylinder assembly 30 are included. Meanwhile, the supporting frame part 12 is also used for bearing and fixing a balance beam of the fan tower.

Specifically, the support frame portion 12 includes a frame 121, a horizontal connecting rod 122, and an inclined connecting rod 123. Wherein the frame 121 is regular octagon, the horizontal connecting rod 122 connects the frame 121 and the lower ring beam 112, and the inclined connecting rod 123 connects the frame 121 and the upper ring beam 111. The support frame part 12 and the annular part 11 form stable connection, have enough bearing strength to realize the offshore transportation and hoisting of the fan, and can keep the integral stability of the fan under the assembly working condition of 8-level strong wind.

In an alternative embodiment of the present utility model, and with continued reference to fig. 1-4, the support frame portion 12 further includes a bearing assembly 124;

the support members 124 are disposed on opposite sides of the support frame portion 12, with either support member 124 being connected to the frame 121 and the plurality of angled connecting rods 123.

It will be appreciated that the support frame portion 12 also includes a bearing assembly 124. The support assembly 124 includes 2 support members disposed on opposite sides of the support frame portion 12. The bearing assembly 124 is coupled to the top of the support frame 12, and in particular, the bearing assembly 124 may include a plurality of connection bars coupled to the frame 121 and the inclined connection bars 123, respectively, to form a platform parallel to the upper ring beam 111, which can be used to support the balance beam.

In another alternative embodiment provided by the present utility model, referring to fig. 1 to 4 and fig. 10, the synchronous lifting hydraulic cylinder assembly 20 and the buffer hydraulic cylinder assembly 30 each include eight;

a synchronous lifting hydraulic cylinder assembly 20 and a buffer hydraulic cylinder assembly 30 are arranged on the lower ring beam 112 between any two adjacent horizontal connecting rods 122;

the energy accumulator assemblies 60 include eight energy accumulator assemblies and are respectively arranged on one side of the horizontal connecting rod 122, which is close to the buffer hydraulic cylinder assemblies 30, and any energy accumulator assembly 60 is connected with one buffer hydraulic cylinder assembly 30.

It will be appreciated that the frame 121 is in the shape of a regular octagon and that the horizontal connecting rods 122 connected between the frame 121 and the lower ring beam 112 divide the lower ring beam 112 equally into 8 minutes. The synchronous lifting hydraulic cylinder assemblies 20 and the buffer hydraulic cylinder assemblies 30 comprise eight, and the synchronous lifting hydraulic cylinder assemblies 20 and the buffer hydraulic cylinder assemblies 30 are arranged at intervals, that is, one synchronous lifting hydraulic cylinder assembly 20 and one buffer hydraulic cylinder assembly 30 are arranged on the lower ring beam 112 between any two adjacent horizontal connecting rods 122.

Further, the oil pipe 31 of the cushion hydraulic cylinder assembly 30 is directed in the direction of the support frame portion 12. The valve block 21 of the synchronous lifting cylinder assembly 20 is directed in the direction of the support frame portion 12.

Further, the accumulator assembly 60 also includes 8, and the accumulator assembly 60 is disposed at a side wall of the horizontal connecting rod 122 and located at a side close to the buffer cylinder assembly 30 among the adjacent two horizontal connecting rods 122. Each accumulator assembly 60 is connected to one of the cushion hydraulic cylinder assemblies 30 to supply oil to the cushion hydraulic cylinder assemblies 30. Each accumulator assembly 60 includes two accumulators. The damper travel of the damper cylinder assembly 30 is 1000mm, with 800mm for damping and 200mm for simultaneous descent in coordination.

In another alternative embodiment provided by the present utility model, with continued reference to fig. 1-4, the support frame portion 12 further includes a plurality of horizontal support plates 125;

the horizontal support plate 125 is connected between the frame 121 and the lower ring beam 112, and is located at one side of the synchronous lifting hydraulic cylinder assembly 20 between the adjacent horizontal connection rods 122;

the pump station 50 is disposed on the horizontal support plate 125 and is connected to at least either the synchronous lifting hydraulic cylinder assembly 20 or the fine positioning assembly 40.

It will be appreciated that the horizontal support plate 125 may be provided in a space formed by the support of the frame 121, the horizontal connecting rods 122 and the lower ring beam 112 of the support frame portion 12. The horizontal connection rod 122 divides the space between the frame 121 and the lower ring beam 112 into 8 parts, and the horizontal support plate 125 includes 4. Accordingly, the horizontal support plates 125 are disposed between adjacent horizontal connection bars 122 at intervals. Because the accumulator assembly 60 is disposed on one side of the horizontal connecting rods 122, the horizontal support plates 125 are disposed between adjacent horizontal connecting rods 122, near one side of the synchronous lift cylinder assembly 20, and facilitate connection of the pump station 50 to the synchronous lift cylinder assembly 20.

In an alternative embodiment of the present utility model, as shown with continued reference to fig. 1-4, the horizontal support plates 125 are spaced between the horizontal connecting rods 122, and the pump station 50 includes four;

wherein, two pump stations 50 which are oppositely arranged are connected with the synchronous lifting hydraulic cylinder assembly 20;

two pumping stations 50 arranged opposite to each other are connected with the synchronous lifting hydraulic cylinder assembly 20 and the fine positioning assembly 40.

It will be appreciated that the pump station 50 includes 4 of which 2 are individually used to supply oil to the synchronous lifting cylinder assemblies 20. The other two are shared by the synchronous lifting hydraulic cylinder assembly 20 and the fine positioning assembly 40.

Further, two adjacent synchronous lifting hydraulic cylinder assemblies 20 are connected in parallel, and a frequency converter is used for speed regulation. The balance valve in the cylinder valve block can play a role in limiting speed, so that accidents caused by overspeed descent of a fan and burst of an oil pipe are prevented.

Further, a non-contact displacement sensor is installed in the synchronous lifting hydraulic cylinder assembly 20, and the synchronous error is smaller than +/-10.0 mm. The copper plate is arranged on the guide sleeve of the synchronous lifting hydraulic cylinder assembly 20 as a friction pair, so that the friction resistance between the synchronous lifting force plate of the lower positioning device and the guide sleeve of the synchronous hydraulic cylinder in the fine positioning process can be reduced.

In an alternative embodiment of the present utility model, as shown in fig. 5 and 6, the fine positioning assemblies 40 are disposed on opposite sides of the support frame 12;

the fine positioning assembly 40 comprises a positioning pin hole seat 41, a radial hydraulic cylinder 42 and a tangential hydraulic cylinder 43;

the radial hydraulic cylinder 42 and the tangential hydraulic cylinder 43 are respectively connected to adjacent sides of the dowel hole seat 41, and the radial hydraulic cylinder 42 is connected to the bottom of the horizontal connecting rod 122, and the tangential hydraulic cylinder 43 is connected to the bottom of the frame 121.

It will be appreciated that the fine positioning assembly 40 is used for fine positioning in order to align the fan tower flange with the base tower flange face. The fine positioning components 40 comprise 2 fine positioning components which are respectively arranged on two opposite sides of the support frame 12, and the fine positioning components 40 are connected to the bottom of the support frame 12.

Specifically, the fine positioning assembly 40 includes a dowel pin bore seat 41, a radial hydraulic cylinder 42, and a tangential hydraulic cylinder 43. When the fan descends to the position 20mm away from the flanges in the upper tower barrel and the lower tower barrel, the positioning pin hole seat 41 is sleeved into the positioning pin of the lower positioning device, and the radial hydraulic cylinder 42 and the tangential hydraulic cylinder 43 drag the upper hanging bracket device and the fan to realize the accurate positioning of the flanges of the upper tower barrel and the lower tower barrel.

Specifically, the radial hydraulic cylinder 42 and the tangential hydraulic cylinder 43 are respectively connected to adjacent sides of the dowel hole seat 41, and the radial hydraulic cylinder 42 is connected to the bottom of the horizontal connecting rod 122, and the tangential hydraulic cylinder 43 is connected to the bottom of the frame 121. The radial hydraulic cylinder 42 is used for adjusting the left-right displacement of the blower, and the tangential hydraulic cylinder 43 is used for adjusting the front-back displacement and the rotation angle of the blower. The radial hydraulic cylinder and the tangential hydraulic cylinder can rotate around respective hinging points by 6 degrees, the inner diameter D of the hydraulic cylinder is=250mm, the diameter D of a piston rod is=160mm, and the stroke is 360mm.

In an alternative embodiment provided by the present utility model, and as shown with reference to fig. 7, a transition flange 70 is attached to the side of the cushion cylinder assembly 30 facing away from the support frame portion 12.

It will be appreciated that the inner flange of the upper hanger assembly is bolted to the outer flange of the fan tower with high strength bolts via transition flange 70.

In summary, the upper hanger device provided by the utility model at least realizes the following beneficial effects:

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. An upper hanger apparatus, comprising: the device comprises a body, a synchronous lifting hydraulic cylinder assembly, a buffer hydraulic cylinder assembly, a fine positioning assembly, a pump station and an energy accumulator assembly;

2. The upper hanger apparatus of claim 1, wherein the annular portion of the body comprises upper and lower ring beams longitudinally coaxially disposed, and the upper ring beam is located above the lower ring beam;

3. The upper hanger apparatus of claim 2, wherein the support frame portion comprises a frame, a horizontal connecting bar, and a diagonal connecting bar;

4. The upper hanger apparatus of claim 3 wherein the support frame portion further comprises a bearing assembly;

5. The upper hanger apparatus of claim 3 wherein the synchronous lifting cylinder assembly and the buffer cylinder assembly each comprise eight;

6. The upper hanger apparatus of claim 3, wherein the support frame portion further comprises a plurality of horizontal support plates;

7. The upper hanger apparatus of claim 6, wherein the horizontal support plates are disposed in spaced relation between the horizontal connecting bars, the pump station comprising four;

8. An upper hanger apparatus as claimed in claim 3, wherein the fine positioning members are provided on opposite sides of the support frame portion;

9. The upper hanger apparatus of claim 1, wherein a transition flange is connected to a side of the cushion hydraulic cylinder assembly facing away from the support bracket portion.