CN114408773A - Wind-powered electricity generation hoist and mount arm head and hoist - Google Patents

Abstract

The invention discloses a wind power hoisting arm head and a crane, wherein the wind power hoisting arm head comprises: a wind power hoisting rod head (100) having a rod end portion (A); a top link arm (200) having an arm end (B) comprising a pivot connection end (210) pivotally connecting the rod end (A) and a free portion (220); and the arm head angle adjusting frame (300) comprises a connecting plate (310) and a connecting frame (320) which is pivotally arranged on the connecting plate (310) in a position-adjustable manner. Connecting plate, link and free portion form the triangle structure, and the board butt end of connecting plate need not fixed connection, relies on wind-powered electricity generation hoist and mount pole head self gravity to press backup plate butt end, makes things convenient for the dismouting. The position of board butt end can be changed to the adjustability of pivotal position between connecting plate and the link, realizes that wind-powered electricity generation hoist and mount pole head supports the adjustability of contained angle, and the high-efficient collision pole distance that conveniently changes the suspension load atress of wind-powered electricity generation hoist and mount pole head and suspension load object.

Description

Wind-powered electricity generation hoist and mount arm head and hoist

Technical Field

The invention belongs to the technical field of cranes, and particularly relates to a wind power hoisting arm head and a crane.

Background

The crane is an important mechanical structure in the field of wind power hoisting, and in the process of wind power hoisting, the wind power hoisting arm head directly influences the capacity and the hoisting efficiency of the wind power hoisting. The wind power lifting rod head is an important operation part of the crane. Because the different installation angles of the wind power lifting rod head correspond to different lifting weight performances, the crane can select the installation angle of the wind power rod head when the wind power lifting operation is carried out. Sometimes, the length of the arm support can be changed in order to improve the hoisting capacity, but the efficiency of wind power hoisting operation is influenced. Therefore, how to efficiently and conveniently change the lifting load force of the wind power lifting rod head and the rod collision distance of a lifting object is a problem worthy of research.

Disclosure of Invention

Aiming at the defects or shortcomings in the prior art, the invention provides the wind power hoisting arm head and the crane.

In order to achieve the above object, according to the wind power lifting arm head of the present invention, on one hand, the wind power lifting arm head includes:

the wind power hoisting rod head is provided with a rod end part;

a top link arm having an arm end including a pivotally connected end pivotally connected to the rod end and a free portion; and

the arm head angle adjusting frame comprises a connecting plate and a connecting frame which is pivotally arranged on the connecting plate in a position-adjustable manner, and the end part of the connecting frame is pivotally connected with the free part;

wherein one of the two ends of the connecting plate abuts one of the free portion and the rod end, and the other of the two ends of the connecting plate abuts or is hinged to the other of the free portion and the rod end.

In some embodiments, a plurality of pin holes are arranged on the connecting plate at intervals along the plate length direction, and a connecting frame pin rod is arranged on the connecting frame and penetrates through one of the pin holes.

In some embodiments, the connecting plate includes the orientation top festival arm tip that the free portion was arranged, top festival arm tip is formed with the connecting plate pinhole, arm round pin axle has been worn to connect by the connecting plate pinhole, be provided with the orientation on the free portion top festival arm otic placode that the rod tip stretches out, be formed with the otic placode open slot on the top festival arm otic placode, arm round pin axle can insert into in the otic placode open slot, make the connecting plate can the butt the free portion.

In some embodiments, a frame connecting end pivotally connecting the connecting frame is formed on the arm end portion, and the frame connecting end is interposed between the pivotal connecting end and the free portion in the arm height direction of the arm end portion.

In some embodiments, the connecting plate further includes a rod end portion arranged toward the rod end portion, the rod end portion is provided with an open slot penetrating radially, a rod end ear plate extending toward the free portion is installed on the rod end portion, a rod end pin shaft penetrates perpendicularly on a plate surface of the rod end ear plate, and the rod end pin shaft can be inserted into the open slot, so that the rod end portion can abut against the connecting plate.

In some embodiments, the connecting plates are arranged in parallel and spaced, and the connecting frame is clamped between the two connecting plates.

In some embodiments, the wind power lifting arm head further comprises an anti-tilt member having one end pivotally connected to the rod end portion and the other end pivotally connected to the arm end portion for limiting a maximum included angle between the rod end portion and the arm end portion toward the side of the connecting plate.

In some embodiments, the anti-roll member includes a pivotally connected anti-roll bar end link pivotally connected to the bar end and an anti-roll arm end link pivotally connected to the arm end.

In some embodiments, the anti-roll arm end link is formed with an anti-roll link end pivotally connecting the arm end portion, the anti-roll link end being interposed between the pivot link end and the frame link end in an arm height direction of the arm end portion.

On the other hand, the invention also provides a crane, and the crane comprises the wind power hoisting arm head.

According to the wind power hoisting arm head and the crane, the wind power hoisting arm head adopts a combination mode of the wind power hoisting rod head, the top knuckle arm and the arm head angle adjusting frame, the triangular structure is formed by the connecting plate, the connecting frame and the free part, the connecting plate extends out of the triangular structure and forms a plate abutting end, the plate abutting end can be pressed by the gravity of the wind power hoisting rod head without being fixedly connected, the dismounting and the mounting are convenient, the position of the plate abutting end can be changed through the adjustability of the pivoting position between the connecting plate and the connecting frame, the adjustability of the abutting angle of the wind power hoisting rod head is realized, and the hoisting stress of the wind power hoisting rod head and the impact rod distance of a hoisting object are efficiently and conveniently changed.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a wind power lifting arm head according to an embodiment of the present invention;

FIG. 2 is a schematic partial perspective view of FIG. 1 showing an arm head angle adjustment bracket;

FIG. 3 is a partial schematic view of the structure of FIG. 1 showing the top knuckle arm and knuckle arm lug pin holes;

FIG. 4 is another partial schematic structural view of FIG. 1, showing the top link arm and the ear plate opening slot;

fig. 5 is a schematic structural view of a wind power lifting arm head according to a specific embodiment of the present invention, showing the wind power lifting arm head and a top knuckle arm.

Description of reference numerals:

100 wind-powered electricity generation lifting rod head A pole tip

200 top knuckle arm B arm end

210 pivotally connected end 220 free portion

300 arm head angle adjusting bracket

310 connecting plate 320 connecting frame

400 anti-roll component

410 anti-roll rod end connecting rod 420 anti-roll arm end connecting rod

1 bolt hole 2 top knuckle arm ear plate

3 lug plate open slot 4 connecting plate pin hole

5 arm pin shaft 6 frame connecting end

7-head ear plate 8-head pin shaft

9 open slot 10 anti-tilt connecting end

L board length direction

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The invention provides a wind power hoisting arm head and a crane, wherein the crane is an important mechanical structure in the field of wind power hoisting, and different installation angles of a wind power hoisting rod head correspond to different hoisting weight performances, so that the crane can select the installation angle of the wind power rod head when wind power hoisting operation is carried out. Sometimes, the length of the arm support can be changed in order to improve the hoisting capacity, but the efficiency of wind power hoisting operation is influenced. Therefore, how to efficiently and conveniently change the lifting load force of the wind power lifting rod head and the rod collision distance of a lifting object is a problem worthy of research.

Referring to fig. 1 to 5, the present invention provides a wind power lifting arm head, which includes: the wind power lifting rod comprises a wind power lifting rod head 100, a top knuckle arm 200 and an arm head angle adjusting frame 300;

specifically, the wind power lifting rod head 100 is provided with a rod end portion a, and it can be understood that the wind power lifting rod head 100 is provided with two end portions which are oppositely arranged, wherein the rod end portion a serves as an inner end portion and can be connected with the top knuckle arm 200, and the wind power lifting rod head 100 serves as a relatively movable end of the wind power lifting arm head, so that the lifting operation of the wind power lifting arm head can be completed by adjusting the position of the wind power lifting rod head 100;

the top knuckle arm 200 is provided with an arm end part B, the arm end part B comprises a pivot connection end 210 of the pivot connection rod end part a and a free part 220, the top knuckle arm 200 serves as a relative fixed end of the wind power hoisting arm head, an outer end part, namely the arm end part B, is formed on the top knuckle arm 200, and can be connected with the wind power hoisting rod head 100 through the arm end part B, and the wind power hoisting rod head 100 can perform pivot motion by taking the pivot connection end 210 as a pivot center. With respect to the pivotal connection end 210 and the free portion 220, it is understood that the arm end B may include two end points arranged oppositely, one end point may be formed as the pivotal connection end 210, and the side away from the pivotal connection end 210 and the wind power lifting rod head 100 may be adjusted in relative position, so as to serve as the free portion 220, the free portion 220 is not limited to the end point position; and

the arm head angle adjusting frame 300 comprises a connecting plate 310 and a connecting frame 320 which is pivotally arranged on the connecting plate 310 in a position-adjustable manner, wherein the end of the connecting frame 320 is pivotally connected with the free part 220. It is understood that a T-shaped structure is formed between the connection plate 310 and the connection frame 320, so that the arm head angle adjusting bracket 300 can be formed with three ends, respectively, both ends of the connection plate 310 and one end of the connection frame 320, by which the arm head angle adjusting bracket 300 can be mounted on the top knuckle arm 200 via the ends of the connection frame 320. Wherein the link frame 320 is position-adjustably mounted on the link plate 310, it is understood that a frame pivot connection end is formed between the link plate 310 and the link frame 320, the position of which pivot connection end on the link plate 310 is adjustable, such that when both ends of the T-shaped structure are fixed, the position of the remaining end can be adjusted therewith;

wherein one of the two ends of the connecting plate 310 abuts one of the free portion 220 and the rod end a, and the other of the two ends of the connecting plate 310 abuts or is hinged to the other of the free portion 220 and the rod end a. It is understood that the connecting plate 310 is interposed between the free portion 220 and the rod end portion a, and taking the example that the connecting plate 310 is pivotally connected to the free portion 220, one end of the connecting plate 310 is spaced from an end of the connecting frame 320, and a triangular structure may be formed between the connecting plate 310, the connecting frame 320 and the free portion 220. The other end of the connecting plate 310 protrudes from the triangular structure toward the rod end a and is formed as a plate active end. When abutted, an abutment angle α can be formed between the adjustment arm end B, the pivot connection end 210 and the rod end a, as shown in fig. 5. Need not fixed connection this moment, can be through wind-powered electricity generation hoist and mount pole head 100's self gravity for wind-powered electricity generation hoist and mount pole head 100, arm head angle adjusting bracket 300 and top knuckle arm 200 three are the state of pressing, the dismouting of being convenient for and change arm head angle adjusting bracket 300. Further, the extension length of the connecting plate 310 in the arm head angle adjusting frame 300 can be adjusted by adjusting the pivot connection position of the connecting frame 320 on the connecting plate 310, so that the adjustability that the wind power lifting rod head 100 abuts against the included angle alpha is realized, and the lifting load stress of the wind power lifting rod head and the rod-hitting distance of a lifting object are efficiently and conveniently changed.

Alternatively, for the pivotal connection 210, an ear plate having a first pin hole may be provided at the arm end B and a second pin hole may be provided at the rod end a, the first and second pin holes being aligned and co-pinned such that the arm end B is pivotally connected to the rod end a. Simple structure, stability and easy connection.

Alternatively, there may be three cases among the arm head angle adjusting bracket 300, the top knuckle arm 200 and the wind power hoisting rod head 100, in which, the connecting plate 310 may be in an abutting relationship with both the free portion 220 and the rod end portion a; secondly, the connecting plate 310 may abut against the free portion 220, and the connecting plate 310 may be hinged to the rod end portion a; third, the connecting plate 310 is hinged to the free portion 220, and the connecting plate 310 abuts against the rod end portion a. Under the relation condition that connecting plate 310 and free portion 220 and rod end portion A are can the butt, arm head angle adjusting bracket 300 is under self action of gravity for connecting plate 310 can with free portion 220 butt, under the effect of wind-powered electricity generation hoist and mount pole head 100's self gravity, rod end portion A can butt fishplate bar 310, like this, simple structure, and can accurate butt.

Alternatively, for the connecting plate 310, a plate-shaped structure with two different end structures may be used, where one end is a plate pivot end, and the other end is a plate abutting end, and for the structure of the plate abutting end, a grooved rod structure may be used, for example, a abutting rod is formed on the connecting plate 310, and an abutting groove is formed on the rod end portion a, where the abutting rod can abut in the abutting groove, it should be noted that the grooving direction and the grooving size of the abutting groove need to ensure that the normal movement track of the rod end portion a is not obstructed, and the abutting rod end portion a can be abutted. For the plate pivot end, it may be an ear structure, and an ear structure is formed on the corresponding free portion 220 or rod end portion a, and pin holes are formed on both ear structures, and can jointly penetrate through the pin shaft, so as to realize the hinge connection between the connection plate 310 and the free portion 220 or rod end portion a.

Alternatively, for the connection relationship between the connection plate 310 and the connection frame 320, a plurality of pivot rods may be formed in the plate length direction L of the connection plate 310, and a support lug may be formed on the connection frame 320, and a pivot hole may be formed on the support lug, and the pivot position of the connection frame 320 on the connection plate 310 may be adjusted by fitting the pivot hole on the corresponding pivot rod.

Specifically, for adjusting the protruding length of the connecting plate 310, in one embodiment, a plurality of pin holes 1 are arranged on the connecting plate 310 at intervals along the plate length direction L, and a connecting frame pin rod is arranged on the connecting frame 320, and the connecting frame pin rod penetrates through one of the plurality of pin holes 1, as shown in fig. 1 and 2. Taking the connection plate 310 and the connection frame 320 as an example for pivotally connecting the free part 220, the connection frame pin rod can be matched with a plurality of pin holes 1, so that triangular structures with different sizes can be formed on the connection plate 310, the connection frame 320 and the free part 220, and the plate abutting end positions of the connection frames at the bottom edges of the three structures can be adjusted. Like this, realize that wind-powered electricity generation lifting rod head 100 supports to lean on the regulation of contained angle alpha, change the lifting load atress of wind-powered electricity generation lifting rod head from this high-efficient conveniently. It should be noted that, for adjusting the protruding length of the connecting plate 310, a connecting plate 310 with a pin hole 1 may also be used, and when the adjustment is needed, the connecting plate 310 with the corresponding length may be directly replaced. The specific assembly and disassembly process is well known in the art and will not be described in detail herein.

In one aspect, as for the connection relationship between the free portion 220 and the connection plate 310, in an embodiment, the connection plate 310 includes a top knuckle arm end portion arranged toward the free portion 220, the top knuckle arm end portion is formed with a connection plate pin hole 4, the connection plate pin hole 4 is connected with an arm pin shaft 5 in a penetrating manner, the free portion 220 is provided with a top knuckle arm ear plate 2 extending toward the rod end portion a, the top knuckle arm ear plate 2 is formed with an ear plate opening groove 3, and the arm pin shaft 5 can be inserted into the ear plate opening groove 3, so that the connection plate 310 can abut against the free portion 220, as shown in fig. 1, 2, and 4. The abutting condition between the connecting plate 310 and the free portion 220 is shown, the knuckle arm ear plate 2 can be located at the end point position of the free portion 220 far away from the pivot connection end 210, wherein the arm pin 5 can be installed through the connecting plate pin hole 4, the protruding end of the abutting relationship is formed through the arm pin 5, the ear plate opening slot 3 is formed with an opening facing the top knuckle arm end, so as to serve as the groove end of the abutting relationship, and under the gravity action of the arm head angle adjusting frame 300, the protruding end can be inserted into the groove end to form the abutting relationship.

In one embodiment, the free portion 220 is provided with a knuckle arm lug 2 extending toward the rod end a, the knuckle arm lug 2 is formed with a knuckle arm lug pin hole, the end of the connecting plate 310 is formed with a connecting plate pin hole 4, and the knuckle arm lug pin hole and the connecting plate pin hole 4 are axially aligned and jointly pass through an arm pin shaft 5. As shown in fig. 1, 2 and 3. The pivot connection between the free portion 220 and the connecting plate 310 is achieved by axially aligning the connecting plate pin hole 4 of the connecting plate 310 with the knuckle arm lug pin hole, i.e., the axes of the two holes coincide, and then passing the arm pin 5 through the connecting plate pin hole 4 and the knuckle arm lug pin hole. Simple structure, easy dismounting.

Further, as for the positional relationship of the link frame 320 and the link plate 310 on the arm end portion B, in one embodiment, the arm end portion B is formed with the frame link end 6 pivotally connected to the link frame 320, and the frame link end 6 is interposed between the pivot link end 210 and the free portion 220 in the arm height direction of the arm end portion B, as shown in fig. 3. Therefore, the abutting position between the connecting plate 310 and the rod end portion A is far away from the pivot connection end 210, the abutting pressure is reduced, and the stable abutting of the wind power lifting rod head 100 is guaranteed.

On the other hand, regarding the connection relationship between the rod end portion a and the connection plate 310, in an embodiment, the connection plate 310 further includes a rod end portion disposed toward the rod end portion a, the rod end portion is provided with an open slot 9 penetrating radially, the rod end portion a is provided with a lug plate 7 extending toward the free portion 220, a rod head pin 8 vertically penetrates through the plate surface of the lug plate 7, and the rod head pin 8 can be inserted into the open slot 9, so that the rod end portion a can abut against the connection plate 310. As shown in fig. 1 and 2. It will be appreciated that the blade 7 may be mounted at the end of the shaft end a remote from the pivotally connected end 210, which reduces the pressure of the abutment. Can be formed with the pole head pinhole on the pole head otic placode 7, pole head round pin axle 8 runs through the pole head pinhole, and the position of entering the pole head pinhole all sets up spacing shelves at the both ends of pole head round pin axle 8, in order to prevent pole head round pin axle 8 from taking place the displacement on pole head otic placode 7, and thus, can guarantee the accurate and stability of butt, the diameter of this open slot 9 can be with the diameter phase-match of pole head round pin axle 8, the opening orientation of open slot 9 should be when tip A pivotal motion, on the motion route of pole head round pin axle 8, and thus, can make 8 cartridge butt open slot 9 of pole head round pin axle, tip A can butt connecting plate 310, realize the quick fixed of position between wind-powered electricity generation hoist and mount pole head 100 and the top knuckle arm 200.

Further, in order to secure stability of the connection between the connection plate 310 and the connection frame 320. In one embodiment, the connecting plates 310 are two and parallel and spaced apart, and the connecting frame 320 is sandwiched between the two connecting plates 310. As shown in fig. 3, it can be understood that two pivotal connection ends located on the same pivotal axis are formed between the connection frame 320 and the connection plate 310, so that the pressure resistance of the arm head angle adjusting frame 300 is improved, and the stable operation of the wind power lifting arm head is ensured.

Because the wind-powered electricity generation lifting rod head 100 can receive great impact after uninstalling, because the free portion 220 does not link to each other with between the pole tip A this moment for wind-powered electricity generation lifting rod head 100 has the risk of backward turning. Thus, in one embodiment, the wind power lifting arm head further comprises an anti-tilt member 400, one end of the anti-tilt member 400 is pivotally connected to the rod end a, and the other end is pivotally connected to the arm end B, so as to limit the maximum included angle between the rod end a and the arm end B towards one side of the connecting plate 310. It will be appreciated that this angle is the angle formed between arm end B, pivot connection end 210 and rod end a. Be provided with the insurance connecting piece between rod tip A and arm tip B, prevent inclining member 400 promptly, prevent inclining member 400 tractive wind-powered electricity generation lifting rod head 100 after wind-powered electricity generation lifting rod head 100 uninstallation to the maximum value of this contained angle is restricted, when wind-powered electricity generation lifting rod head 100 rotates to the biggest contained angle, receives the pulling force of preventing inclining member 400, prevents the tilting of wind-powered electricity generation lifting rod head 100 from this. It is possible for the anti-toppling member 400 to be a multi-sectioned pivotally connected rod-like member; or may be wire rope members connected by wire ropes.

With respect to the specific structure of the anti-roll member 400, in one embodiment, the anti-roll member 400 includes a pivotally connected anti-roll bar end link 410 and an anti-roll arm end link 420, the anti-roll bar end link 410 being pivotally connected to the bar end a and the anti-roll arm end link 420 being pivotally connected to the arm end B, as shown in fig. 1. Through the pivot connection of the anti-roll rod end connecting rod 410 and the anti-roll arm end connecting rod 420, the wind power hoisting rod head 100 can be pivoted around the pivot connection end 210 within a certain angle range, and the wind power hoisting rod head is simple in structure and easy to disassemble and assemble.

Further, with respect to the positional relationship of the anti-roll arm end link 420 and the frame attachment end 6 on the arm end portion B, in one embodiment, the anti-roll arm end link 420 is formed with the anti-roll attachment end 10 of the pivot attachment arm end portion B, and the anti-roll attachment end 10 is interposed between the pivot attachment end 210 and the frame attachment end 6 in the arm height direction of the arm end portion B, as shown in fig. 1 and 3. Thus, the support strength of the arm head angle adjusting frame 300 is ensured, the arm head angle adjusting frame 300 and the anti-tilt member 400 do not interfere with each other, the structure is compact, and the spatial layout is reasonable.

On the other hand, the invention also provides a crane, and the crane comprises the wind power hoisting arm head. This hoist can carry out wind-powered electricity generation hoist and mount operation, this wind-powered electricity generation hoist and mount arm head adopts wind-powered electricity generation hoist and mount pole head 100, the integrated mode of top festival arm 200 and arm head angle modulation frame 300, can install or adjust corresponding arm head angle modulation frame 300 according to the particular case of wind-powered electricity generation hoist and mount, through connecting plate 310, link 320 forms the triangle-shaped structure with free portion 220, connecting plate 310 stretches out and forms into board butt end from the triangle-shaped structure, need not fixed connection, can rely on wind-powered electricity generation hoist and mount pole head 100 self gravity to press the backup plate butt end, make things convenient for the dismouting, through the adjustability of pivot position between connecting plate 310 and the link 320, can change the position of board butt end, thus, realize that wind-powered electricity generation hoist and mount pole head 100 supports the adjustability that leans on contained angle alpha. Meanwhile, the pole hoisting end opposite to the pole end part A in the wind power hoisting pole head 100 can be used for hoisting objects, and the distance between the hoisting objects and the top knuckle arm 200 can be adjusted according to the included angle alpha, so that the hoisting objects and the top knuckle arm 200 can be prevented from interfering, and the hoisting stress of the wind power hoisting pole head and the collision pole distance of the hoisting objects can be efficiently and conveniently changed.

It should be particularly noted that other configurations and functions of the wind power hoisting arm head and the crane according to the embodiment of the present invention are known to those skilled in the art, and are not described herein in detail in order to reduce redundancy.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical spirit of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships that are recognizable based on the drawings, and are used merely for convenience of description and for simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. Wind-powered electricity generation hoist and mount arm head, its characterized in that, wind-powered electricity generation hoist and mount arm head includes:

a wind power hoisting rod head (100) having a rod end portion (A);

a top link arm (200) having an arm end (B) comprising a pivot connection end (210) pivotally connecting the rod end (A) and a free portion (220); and

the arm head angle adjusting frame (300) comprises a connecting plate (310) and a connecting frame (320) which is pivotally arranged on the connecting plate (310) in a position-adjustable mode, and the end portion of the connecting frame (320) is pivotally connected with the free portion (220);

wherein one of the two ends of the connecting plate (310) is in abutment with one of the free portion (220) and the rod end (A), and the other of the two ends of the connecting plate (310) is in abutment with or hinged to the other of the free portion (220) and the rod end (A).

2. The wind power lifting arm head as claimed in claim 1, wherein a plurality of pin holes (1) are arranged on the connecting plate (310) at intervals along the plate length direction (L), and a connecting frame pin rod is arranged on the connecting frame (320) and penetrates through one of the pin holes (1).

3. The wind-powered electricity generation hoist and mount arm head of claim 2, characterized in that, connecting plate (310) includes the top knuckle arm tip that arranges towards free portion (220), top knuckle arm tip is formed with connecting plate pinhole (4), arm round pin axle (5) have worn to connect in connecting plate pinhole (4), be provided with on the free portion (220) towards top knuckle arm otic placode (2) that pole tip (A) stretches out, be formed with otic placode open slot (3) on top knuckle arm otic placode (2), arm round pin axle (5) can be inserted into in otic placode open slot (3), make connecting plate (310) can butt free portion (220).

4. The wind power hoisting arm head as claimed in claim 3, wherein the arm end portion (B) is formed with a frame connecting end (6) pivotally connected to the connecting frame (320), and in the arm height direction of the arm end portion (B), the frame connecting end (6) is sandwiched between the pivotal connecting end (210) and the free portion (220).

5. The wind power hoisting arm head according to any one of claims 1 to 4, wherein the connecting plate (310) further comprises a head end portion arranged toward the head end portion (A), the head end portion is provided with an open slot (9) penetrating radially, a head ear plate (7) extending toward the free portion (220) is mounted on the head end portion (A), a head pin shaft (8) vertically penetrates through the plate surface of the head ear plate (7), and the head pin shaft (8) can be inserted into the open slot (9), so that the head end portion (A) can abut against the connecting plate (310).

6. The wind power lifting arm head as claimed in claim 5, wherein the connecting plates (310) are arranged in parallel at intervals, and the connecting frame (320) is clamped between the two connecting plates (310).

7. The wind power lifting arm head as claimed in claim 4, further comprising an anti-tilt member (400), wherein one end of the anti-tilt member (400) is pivotally connected to the rod end portion (A) and the other end is pivotally connected to the arm end portion (B) for limiting a maximum included angle between the rod end portion (A) and the arm end portion (B) towards one side of the connecting plate (310).

8. The wind powered lifting arm head according to claim 7, wherein the anti-roll member (400) comprises an anti-roll rod end link (410) and an anti-roll arm end link (420) pivotally connected, the anti-roll rod end link (410) being pivotally connected to the rod end portion (A), the anti-roll arm end link (420) being pivotally connected to the arm end portion (B).

9. The wind power hoisting arm head according to claim 8, characterized in that the anti-tilt arm end link (420) is formed with an anti-tilt connection end (10) pivotally connecting the arm end portion (B), the anti-tilt connection end (10) being sandwiched between the pivot connection end (210) and the frame connection end (6) in the arm height direction of the arm end portion (B).

10. The crane is characterized by comprising the wind power hoisting arm head according to any one of claims 1 to 9.

Images