CN211545724U - Anti-storm wind device of crane and crane set - Google Patents

Abstract

The utility model discloses an anti storm wind device of hoist and crane group, wherein the anti storm wind device of hoist includes convex part structure and concave part structure, and the convex part structure is located first hoist, and the concave part structure is located the second hoist, convex part structure and concave part structure block for first hoist docks with the second hoist. The utility model discloses an anti storm wind device of hoist links together two or many cranes, forms wholly, can reduce the risk that slip and storm wind topple.

Description

Anti-storm wind device of crane and crane set

Technical Field

The utility model relates to a bank container crane field, in particular to anti storm wind device of hoist and crane group.

Background

In crane design, storm resistance is very important. Generally, in the design, two measures of an anchoring device and a wind-proof fastening are adopted to protect the crane, the anchoring device has the function of enabling the crane not to slide along a track when a storm occurs, and the wind-proof fastening has the function of enabling the crane not to overturn due to the storm.

The two types are conventional crane storm wind resisting devices, and the inherent defects are as follows:

generally need to be used together. I.e. a crane, needs to be provided with both anchoring and wind-proof fastening means. Generally, two or more sets of anchoring devices and four or more sets of windproof fastening devices are required to be arranged on the sea and land side of one crane. Its advantages are high weight and high cost. The anchoring device and the wind-proof fastening device are equipped with manual or electric activating devices and corresponding machining parts, so that the anchoring device and the wind-proof fastening device are heavy in weight and expensive, and the maintenance cost and difficulty are increased. In addition, the wharf ground needs to be provided with corresponding anchoring pits and windproof fastening points, so that the construction, maintenance and repair costs of the wharf are increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem, provide an anti storm wind device of hoist.

The utility model discloses an anti storm wind device of hoist, including convex part structure and concave part structure, the convex part structure is located first hoist, and the concave part structure is located the second hoist, convex part structure and concave part structure block for first hoist docks with the second hoist.

By adopting the technical scheme, the anti-storm device of the crane connects two or more cranes together to form a whole, thereby reducing the risks of sliding and storm overturning. And the storm-proof device is a mechanical structural part, does not need hydraulic pressure and electric elements, and has convenient use and low maintenance cost. The crane is only required to be drawn together for clamping, and the setting is finished.

According to the utility model discloses another embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist, and first crane has first web, and the second hoist has the second web, and the convex part structure does first web is through the structure that the extension found, the concave part structure does the second web is through the structure that the indent found.

According to the utility model discloses another embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist, first web have the first terminal surface and the second terminal surface of carrying on the back mutually and connect the third terminal surface of first terminal surface and second terminal surface, the convex part structure with when the concave part structure block, the third terminal surface towards the second hoist, wherein, the convex part structure has the boss that extends from the third terminal surface, and the thickness of boss is greater than the thickness of first web plate.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist, and first web is two, and two first webs are equipped with the boss respectively.

According to the utility model discloses another embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist, and two first webs set up along first web thickness direction relatively, and the first terminal surface and the second terminal surface of two first webs cover respectively has U type flange board, the flange board fixed connection on U type flange board and the first crane.

According to the utility model discloses a further concrete embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist, is equipped with one or more first baffle on the first web.

According to the utility model discloses another embodiment, the utility model discloses an embodiment discloses a crane anti storm wind device, and the second web has the fourth terminal surface and the fifth terminal surface that back to back mutually and connects the sixth terminal surface of fourth terminal surface and fifth terminal surface, and when the convex part structure was blocked with the concave part structure, the sixth terminal surface was towards first crane, and wherein, the concave part structure has the notch of inwards caving from the sixth terminal surface, and the inner wall of notch is by two relative first reinforcing plates and be located two second reinforcing plates between the first reinforcing plate surround.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an anti stormy wind device of hoist, and in the thickness direction of second web, the size of two first stiffeners is greater than the second web.

According to the utility model discloses a further concrete embodiment, the utility model discloses an embodiment discloses a crane anti storm wind device, is equipped with one or more second baffle on the second web.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist, one or more in the second baffle and first reinforcing plate fixed connection.

According to the utility model discloses a further concrete embodiment, the utility model discloses an embodiment discloses a crane anti storm wind device, one or more in the second baffle and the fixed surface of sixth terminal surface are connected.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist, first reinforcing plate fixed surface is connected with wear plate.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist accompanies one or more detachable adjustment steel sheet between first reinforcing plate and the wear plate.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist, and the second web is two, and two second webs are equipped with respectively the notch.

According to the utility model discloses another embodiment, the utility model discloses an embodiment discloses an anti storm wind device of hoist, and two second webs are followed the relative setting of second web thickness direction, two second webs fourth terminal surface and fifth terminal surface cover respectively have U type flange board, the flange board fixed connection on U type flange board and the second hoist.

The utility model also provides a crane group, two or many cranes in the crane group install as above-mentioned any kind of anti storm wind device of hoist, and two or many cranes pass through the crane storm wind device and connect.

By adopting the technical scheme, the windward area of the crane set is reduced, all cranes are not required to be provided with anchoring devices and are not required to be fastened in a windproof manner, and the construction, maintenance and maintenance workload and difficulty of a wharf are reduced.

According to another embodiment of the present invention, an embodiment of the present invention discloses a crane assembly, one or a part of cranes in the crane assembly being fixedly connected to the ground.

According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a crane group, crane group includes many cranes, and many cranes are arranged and are connected, wherein, at least first crane and last crane and ground fixed connection.

Drawings

Fig. 1 is a schematic view showing an unconnected state of an anti-riot device of a crane according to an embodiment of the present invention;

fig. 2 is a schematic view showing a connection state of the crane antiriot device according to the embodiment of the present invention;

fig. 3A shows a schematic diagram of a convex structure of an embodiment of the present invention;

FIG. 3B shows a cut-away view B-B of FIG. 3A;

FIG. 3C shows a cut-away view C-C of FIG. 3A;

FIG. 3D shows a cut-away view D-D of FIG. 3A;

FIG. 3E shows a cut-away view E-E of FIG. 3A;

FIG. 3F shows a cut-away view G-G of FIG. 3A;

fig. 4A shows a schematic view of a concave structure according to an embodiment of the present invention;

FIG. 4B shows a cut-away view B-B of FIG. 4A;

FIG. 4C shows a cut-away view C-C of FIG. 4A;

FIG. 4D shows a cut-away view D-D of FIG. 4A;

FIG. 4E shows a cut-away view E-E of FIG. 4A;

FIG. 4F shows a cut-away view F-F of FIG. 4A;

fig. 4G shows a G-G cut-away view of fig. 4A.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper" and "lower" are used for indicating the orientation or position relationship based on the orientation or position relationship shown in the drawings or the orientation or position relationship that the utility model is usually placed when using, and are only for convenience of describing the utility model and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the utility model.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present invention provides a crane storm wind resisting apparatus by which two cranes, such as a first crane 1 and a second crane 2, are connected. The utility model discloses an anti storm wind device is represented to first hoist and second hoist and installs respectively on two cranes. Specifically, the crane storm wind resisting device comprises a convex structure 101 and a concave structure 102, wherein the convex structure 101 is located on the first crane 1, the concave structure 102 is located on the second crane 2, and the convex structure 101 is clamped with the concave structure 102, so that the first crane 1 is butted with the second crane 2. That is, the first crane 1 and the second crane 2 are fixedly connected by engaging, and the convex portion structure 101 and the concave portion structure 102 are, for example, in a clearance fit, but the first crane 1 and the second crane 2 can be kept in tight contact with each other. Generally, the crane is placed on the track, after the first crane 1 and the second crane 2 are close to each other, the first crane 1 and the second crane 2 are butted in the direction along the track by inserting the convex structure 101 into the concave structure 102. The docking is for example a connection of the rear part of the first crane 1 with the front part of the second crane 2, so that the first crane 1 and the second crane 2 are connected side by side. The sliding track of the crane can be in a horizontal straight line direction, and two or more corresponding cranes on the track are connected in the horizontal direction through the crane storm-resistant device, namely a plurality of cranes are arranged in the horizontal direction. In other circumstances the track may also be uphill or downhill, etc., and a number of cranes on an uphill or downhill slope are connected by a crane storm wind protection device so that a number of cranes are arranged in the direction of the slope.

In the prior art, each crane is fixed by arranging a rivet device and a wind-proof fastening device on each crane, which undoubtedly increases a lot of cost. Through the utility model discloses an anti storm wind device of hoist carries out the block to two or two above cranes and connects for two or two above cranes interconnect forms a whole, undertakes the wind load as a whole structure, can increase the anti storm wind stability of hoist, reduces the windward area of hoist. This is advantageous for the risk prevention and control of the crane from overturning due to storm winds. After the storm wind is over, the crane is far away from each other, and the convex part structure and the concave part structure are separated, so that the normal working condition can be returned.

Two or more cranes are connected in a close manner, so that the windward area of the cranes can be reduced. The approach is, for example, to bring the two cranes close together or to bring the two cranes into coincidence. The tightness degree of the clamping can be adjusted according to different wind resistance strengths, stress requirements or different positions of the convex part structure and the concave part structure. The depth of insertion of the projection structure into the recess structure may be set according to the wind resistance, the force requirement, the position of the projection structure and the recess structure, and the like.

Further, the crane itself may have a web. For example, the first crane 1 has a first web 202, and the second crane 2 has a second web 302. The convex structure 101 is a structure in which the first web 202 is built by extension, and the concave structure 102 is a structure in which the second web 302 is built by concavity. That is, the present invention utilizes the structure of the crane itself to construct the convex portion structure 101 and the concave portion structure 102, and realizes the connection between the first crane 1 and the second crane 2 through the connection of the structures on the first web 202 and the second web 302.

Referring to fig. 3A-3F, in the above embodiments, the first web 202 has first and second opposing end surfaces and a third end surface connecting the first and second end surfaces. Specifically, in the present embodiment, as shown in fig. 3A, the first end surface and the second end surface are two end surfaces that are oppositely arranged along the z direction in fig. 3A. For example, the z-direction is a vertical direction, the first end surface is an upper end surface of the first web 202, and the second end surface is a lower end surface of the first web 202. The third end surface is located between the first end surface and the second end surface, and when the convex portion structure 101 is engaged with the concave portion structure 102, the third end surface faces the second crane 2, for example, along the x direction in fig. 3A, and the first web 202 and the second web 302 are butted. In this embodiment, the convex structure 101 has a boss 201 extending from the third end surface, and the boss 201 extends along the x direction in fig. 3A. The thickness of the boss 201 is greater than the thickness of the first web 202, and in the present embodiment, referring to fig. 3B, that is, the dimension of the boss 201 in the y direction is greater than the dimension of the first web 201 in the y direction, thereby increasing the contact area of the protrusion structure 101 and the recess structure 102. The boss 201 and the first web 202 are connected by means of, for example, welding.

As shown in fig. 3B, further, in the first crane 1 in the present embodiment, there are two first webs 202, two first webs 202 are oppositely disposed in a thickness direction of the first webs, for example, the y direction in fig. 3B, that is, two first webs 202 are oppositely disposed in the y direction, and a convex structure extends on each of the two first webs 202, that is, each of the two first webs 202 is provided with the above-mentioned boss 201. The present embodiment further covers the U-shaped flange plates 203 on the first end surfaces of the two first webs 202, and the first end surfaces of the two first webs 202 can be connected through the U-shaped flange plates 203. In addition, the U-shaped flange plate 203 is welded to the upper flange plate of the cross beam of the first crane 1. Similarly, the second end surfaces of the two first webs 202 may be covered with U-shaped flange plates 204, and the second end surfaces of the two first webs 202 may be connected by the U-shaped flange plates 204. Accordingly, the U-shaped flange plate 204 is welded correspondingly to the lower flange plate of the beam of the first crane 1.

In the above embodiments, one or more first baffles 205 are disposed on the first web 202. For example, the first partition 205 is disposed perpendicular to the x direction in fig. 3A and extends in the z direction in fig. 3A, and is fixedly connected to the side surface of the first web 202 at the middle of the first web 202. For another example, first spacer 205 faces and is fixedly attached to the third end face of first web 202 in a face-to-face relationship. The above-mentioned fixing means is, for example, welding. The strength of the first web 202 can be enhanced by providing the first bulkhead 205, and load and shear forces can be transmitted.

Referring to fig. 4A-4G, the second web 302 has fourth and fifth opposing end faces and a sixth end face connecting the fourth and fifth end faces. Specifically, in the present embodiment, as shown in fig. 4A, the fourth end surface and the fifth end surface are two end surfaces that are oppositely arranged in the z direction in fig. 4A. For example, the z direction is a vertical direction, the fourth end surface is an upper end surface of the second web 302, and the fifth end surface is a lower end surface of the second web 302. The sixth end surface is located between the fourth end surface and the fifth end surface, and when the convex structure 101 is engaged with the concave structure 102, the sixth end surface faces the first crane 1, for example, along the x direction in fig. 4A, and the second web 302 and the first web 202 are butted. The recess structure 102 in this embodiment has a recess 301 recessed inward from the sixth end surface, and the inner wall of the recess 301 is surrounded by two opposing first reinforcing plates 303 and a second reinforcing plate 304 located between the two first reinforcing plates. Specifically, taking fig. 4A as an example, the inner wall of the notch 301 has three sides, two horizontal inner walls and one vertical inner wall opposite to each other in the z direction, two first reinforcing plates 303 respectively face and are fixedly connected to the two horizontal inner walls of the notch 301, and a second reinforcing plate 304 faces and is fixedly connected to the vertical inner wall, so that the inner wall of the notch 301 is surrounded and reinforced by the two first reinforcing plates 303 and the second reinforcing plate 304.

Further, in the thickness direction of the second web 302, i.e., the y direction in fig. 4C and 4F, the two first reinforcing plates 303 are larger in size than the second web 302. Thus, the notch 301 is widened in the y direction, increasing the contact area of the convex structure 101 with the concave structure 102.

With continued reference to fig. 4A-4G, one or more second baffles 305 are provided on the second web 302. For example, the second partition 305 is disposed at a position perpendicular to the x direction and is fixedly connected to the second web 302. The means of fixed connection is for example welding. In this embodiment, one or more of the second spacers 305 are fixedly connected to the first reinforcing plate 303, for example, the second spacers 305 are disposed at a position perpendicular to the x direction, have the same size as the second web 302 in the z direction, and are fixedly connected to the second web 302 and the two first reinforcing plates 303, thereby reinforcing the second web 302 and the first reinforcing plates 303. The second separator 305 may be fixedly connected to the outer surface of the sixth end surface. For example, the second partition 305 faces the sixth end surface in the x direction in fig. 4A and is fixedly connected to the sixth end surface. Furthermore, a second partition 305 perpendicular to the x direction may be further added to each of the two first reinforcing plates 303, and the second partition 305 on the first reinforcing plates 303 is fixedly connected to the second web 302. The above-mentioned means of fixed connection may be, for example, welding. The strength of the second web 302 can be enhanced by providing the second bulkhead 305, which is capable of transmitting load and transmitting shear force.

In each of the above embodiments, a wear plate 306 is fixedly attached to an outer surface of the first reinforcing plate 303. Specifically, the wear plate 306 faces the first reinforcing plate 303, and is fixedly connected to the first reinforcing plate 303 by bolts 307. In this embodiment, two opposite first reinforcing plates 303 are provided with wear plates 306. In addition, one or more adjusting steel plates 308 may be provided between the first reinforcing plate 303 and the wear plate 306, and the adjusting steel plates 308 and the wear plate 306 may be fixed to the first reinforcing plate 303 by bolts 307. By providing the adjustment steel plate 308, the opening size of the notch 301 in the z direction can be adjusted. When the boss 201 cannot be tightly fitted after being inserted into the recess 301, the size of the opening can be reduced by additionally arranging the adjusting steel plate 308, so that the boss 201 and the recess 301 can be clamped. In addition, the convex part structure and the concave part structure of different cranes are not completely the same, which causes different degrees of tight embedding between the convex part and the concave part, and can be adjusted by adding different numbers of adjusting steel plates. The adjusting steel plate has multiple thickness, and the inner wall of the notch is provided with the adjusting steel plates with different thicknesses so as to realize the accurate adjustment of the size of the notch opening.

As shown in fig. 4C, in each of the above embodiments, there are two second webs 302, and a notch 301 and the above structure on the notch 301 may be provided on both the second webs 302. For example, two second webs 302 on the second crane 2 are arranged oppositely in the thickness direction of the second webs 302, for example, the y direction in fig. 4C, that is, two second webs 302 are arranged oppositely in the y direction, and a concave structure is arranged on each of the two second webs 302, that is, each of the two second webs 302 is provided with the above-mentioned notch 301. The fourth end surfaces of the two second web plates 302 are further covered by U-shaped flange plates 309, and the fourth end surfaces of the two second web plates 302 can be connected through the U-shaped flange plates 309. In addition, the U-shaped flange plate 309 is welded to a flange plate of the beam of the second crane 2 (for example, an upper flange plate of the beam). Similarly, the fifth end surfaces of the two second webs 302 may be covered with U-shaped flange plates 310, and the fifth end surfaces of the two second webs 302 may be connected by the U-shaped flange plates 310. Accordingly, the U-shaped flange plate 310 is welded correspondingly to the lower flange plate of the beam of the second crane 2.

In the above embodiments, the depth of the insertion of the boss 201 into the notch 301 may be adjusted according to the difference of the arrangement position of the convex structure and the concave structure in the crane and the difference of the wind resistance strength. For example, the depth of the recess 301, i.e., the depth of recess 301 in the x-direction in FIG. 4A, is 500-1000 mm, and the protrusion 201 is partially embedded in the recess 301 in some embodiments, and the protrusion 201 is fully embedded in the recess 301 in other embodiments. The specific value of the depth of insertion of the boss 201 into the recess 301 is not a limitation of the present invention.

The utility model also provides a crane assembly, including many cranes, the crane is for example two or more than two connect through the anti storm wind device of above-mentioned crane, form a whole. The multiple cranes are connected to form a whole, and the windward area of the crane is smaller than the total windward area of the multiple cranes when the cranes are respectively and fixedly installed, so that the risk of overturning of the cranes can be reduced. Meanwhile, the wharf does not need to be provided with a corresponding anchoring pit or a corresponding wind-proof fastening point, so that the construction and maintenance workload of the wharf is reduced, and the construction and maintenance difficulty of the wharf is reduced.

Compared with the prior art, each crane is provided with an anchoring device and is windproof to protect the crane. In the embodiment, a plurality of cranes are connected into a whole, one or part of the crane sets can be fixedly connected with the ground, for example, one or more cranes in the crane sets can be fixedly connected by using the anchoring devices and the windproof fastening devices, all cranes on the track are not required to be provided with the anchoring devices and the windproof fastening devices, and the risks of the cranes sliding on the track and the risk of the cranes overturning due to storm wind can also be reduced. Optionally, a plurality of cranes in the crane group are connected in a row. The arrangement connection can be arranged along a certain extending direction, the direction can be a straight line or a non-straight line, and can be a horizontal straight line direction or a direction with slope relative to a horizontal plane. The connection mode is that one end of the first crane is connected with one end of the second crane, the other end of the second crane is connected with one end of the third crane, then the other end of the third crane is connected … … with one end of the fourth crane until being connected with one end of the last crane, and the arrangement connection of a plurality of cranes is realized. For example, a plurality of cranes are arranged side by side along a rail by means of a crane storm wind resisting device, and at least the first crane and the last crane in the row of cranes are fixedly connected with the ground. The hoist of the crane group's that arranges side by side head and the hoist and the ground fixed connection of afterbody promptly, and middle hoist passes through the utility model discloses an anti storm device of hoist connects, can guarantee in the middle of and the hoist at both ends can not slide along the track, also can not overturn because of the storm emergence.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (18)

1. The crane storm wind resisting device is characterized by comprising a convex structure and a concave structure, wherein the convex structure is positioned on a first crane, the concave structure is positioned on a second crane, and the convex structure is clamped with the concave structure, so that the first crane is in butt joint with the second crane.

2. The crane storm wind resisting apparatus as claimed in claim 1, wherein said first crane has a first web, said second crane has a second web, said convex structure is a structure in which said first web is built by extension, and said concave structure is a structure in which said second web is built by concavity.

3. The crane storm wind resistant device of claim 2 wherein said first web has first and second opposing end faces and a third end face connecting said first and second end faces, said third end face facing said second crane when said protrusion structure is engaged with said recess structure, wherein said protrusion structure has a boss extending from said third end face, said boss having a thickness greater than a thickness of said first web.

4. The crane storm wind resisting device as claimed in claim 3 wherein said first webs are two, and both of said first webs are provided with said bosses respectively.

5. The crane storm wind resisting device according to claim 4, wherein two first webs are oppositely arranged along the thickness direction of the first webs, the first end surfaces and the second end surfaces of the two first webs are respectively covered with U-shaped flange plates, and the U-shaped flange plates are fixedly connected with the flange plates on the first crane.

6. A crane storm wind resistant device as claimed in any one of claims 2 to 5 wherein said first web is provided with one or more first baffles.

7. The crane storm wind resistant device of claim 2 wherein said second web has fourth and fifth oppositely facing end surfaces and a sixth end surface connecting said fourth and fifth end surfaces, said sixth end surface facing said first crane when said male structure is engaged with said female structure, wherein said female structure has a recess recessed inwardly from said sixth end surface, an inner wall of said recess being surrounded by two opposing first reinforcement plates and a second reinforcement plate located between said two first reinforcement plates.

8. The crane storm-resistant device according to claim 7, wherein two of said first reinforcing plates are larger in size than said second web in a thickness direction of said second web.

9. The crane storm wind resistant device of claim 8 wherein said second web is provided with one or more second baffles.

10. The crane storm wind resistant device of claim 9 wherein one or more of said second spacers are fixedly attached to said first reinforcement plate.

11. The crane storm wind resistant device of claim 9 wherein one or more of said second partitions are fixedly attached to an outer surface of said sixth end surface.

12. The crane storm prevention device of claim 7 wherein a wear plate is fixedly attached to the outer surface of the first reinforcement plate.

13. The crane storm wind resistant device of claim 12 wherein one or more removable adjustment steel plates are sandwiched between said first reinforcement plate and said wear plate.

14. The crane storm wind resistant device as claimed in any one of claims 7-12 wherein said second webs are two, said second webs being provided with said notches, respectively.

15. The crane storm wind resisting device according to claim 14, wherein two said second webs are oppositely arranged along the thickness direction of said second webs, said fourth end face and said fifth end face of two said second webs are respectively covered with a U-shaped flange plate, and said U-shaped flange plate is fixedly connected with a flange plate on a second crane.

16. A crane assembly, wherein two or more cranes in the crane assembly are fitted with a crane storm wind protection device as claimed in any one of claims 1 to 15, through which two or more cranes are connected.

17. The crane assembly of claim 16, wherein one or more cranes in the crane assembly are fixedly attached to the ground.

18. The crane assembly of claim 17, wherein the crane assembly comprises a plurality of cranes arranged in a row, wherein at least a first crane and a last crane are fixedly attached to the ground.

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