Hoisting assembly and crane

Abstract

The embodiment of the invention provides a hoisting assembly and a crane, and aims to improve the stability in the hoisting process and simplify the disassembly process between the hoisting assembly and a hoisted object. According to the hoisting assembly provided by the embodiment of the invention, the pre-embedded stud is fixed to the hoisted object, the first hoisting piece is provided with the first hoisting hole, the inner diameter of the first hoisting hole is larger than or equal to the outer diameter of the pre-embedded stud, the first hoisting hole is used for being connected with the pre-embedded stud in a matched mode, and the fixing nut is connected with the pre-embedded stud in a matched mode; the fixing nut is used for fixing the position of the first hoisting piece, the stability in the hoisting process can be improved, and meanwhile the dismounting process between the hoisting assembly and the hoisted object can be simplified through matched connection of the fixing nut, the first hoisting piece and the embedded stud.

Description

Technical Field

[0001] This application relates to the field of hoisting technology, and more particularly to a hoisting assembly and a crane. Background Technology

[0002] During the shipbuilding process, sections of the hull need to be manufactured on linear timber and then connected. Due to the large weight of the linear timber, it needs to be hoisted by slings during the movement of the timber.

[0003] However, after placing the linear timber, the slings will be pressed under the linear timber, making it inconvenient to pull out the slings; and the slings are prone to loosening or breaking during the hoisting process, resulting in instability in the hoisting process. Summary of the Invention

[0004] This application provides a lifting assembly and a crane, which aim to improve stability during the lifting process and simplify the disassembly process between the lifting assembly and the object being lifted.

[0005] On one hand, this application provides a lifting assembly for connecting with the boom of a crane. The lifting assembly includes a pre-embedded stud, a first lifting component, and a fixing nut. The pre-embedded stud is fixed to the object being lifted. The first lifting component has a first lifting hole with an inner diameter greater than or equal to the outer diameter of the pre-embedded stud. The first lifting hole is used to connect with the pre-embedded stud. The fixing nut is connected with the pre-embedded stud and is used to fix the position of the first lifting component.

[0006] The hoisting assembly provided in this application embodiment has a pre-embedded stud fixed to the object being hoisted. The first hoisting component has a first hoisting hole with an inner diameter greater than or equal to the outer diameter of the pre-embedded stud. The first hoisting hole is used to connect with the pre-embedded stud. A fixing nut is also connected with the pre-embedded stud and is used to fix the position of the first hoisting component, which can improve the stability during the hoisting process. At the same time, the connection between the fixing nut, the first hoisting component, and the pre-embedded stud can simplify the disassembly process between the hoisting assembly and the object being hoisted.

[0007] In some embodiments, two pre-embedded studs are provided, which are fixed to both sides of the object being lifted, and the axes of the two pre-embedded studs are located on the same straight line. Adaptively, two first lifting components are also provided, which are respectively connected to the two pre-embedded studs, thereby improving the stability of the object being lifted during the lifting process.

[0008] In some embodiments, the first lifting component is further provided with a first connecting hole, the arrangement direction of the first connecting hole and the first lifting hole is perpendicular to the axial direction of the pre-embedded stud, and the first connecting hole is used to connect to the boom of the crane through a wire rope.

[0009] In some embodiments, the first hoisting hole comprises a first opening and a second opening in communication, the second opening is located on the side of the first opening away from the first connecting hole, the inner diameter of the first opening is greater than the outer dimension of the fixing nut, the inner diameter of the second opening is greater than or equal to the outer diameter of the embedded stud and less than the outer dimension of the fixing nut.

[0010] Through the above arrangement, if the fixing nut and the embedded stud are locked and the relative position cannot be changed, the first hoisting member can still be located between the fixing nut and the hoisted object, and the embedded stud can be located in the second opening during the hoisting process of the hoisted object, the inner diameter of the second opening is less than the outer dimension of the fixing nut, thereby avoiding the first hoisting member from being separated.

[0011] In some embodiments, the hoisting assembly further comprises a second hoisting member, the second hoisting member is provided with a second connecting hole and a jaw, the second connecting hole is used to connect with the hoisting arm of the crane through the wire rope, and the jaw is used to install or dismount the fixing nut.

[0012] Through the above arrangement, when the first hoisting member cannot continue to realize hoisting, the second hoisting member can be used to realize hoisting of the hoisted object.

[0013] In some embodiments, the jaw comprises a first jaw, a second jaw and a third jaw, the first jaw, the second jaw and the third jaw are arranged along the edge of the second hoisting member, and the sizes of the first jaw, the second jaw and the third jaw are different to correspond to fixing nuts of different specifications.

[0014] In some embodiments, the second hoisting member further comprises a second hoisting hole, the second hoisting hole is used to cooperate with the embedded stud, and the fixing nut is also used to fix the position of the second hoisting member.

[0015] In some embodiments, two embedded studs are provided, the two embedded studs are fixed on the two sides of the hoisted object, and the axes of the two embedded studs are located on the same straight line. Adaptively, two second hoisting members are also provided, the two second hoisting members are connected with the two embedded studs respectively, and the stability of the hoisted object during hoisting can be improved. Among them, the arrangement direction of the second connecting hole and the second hoisting hole is perpendicular to the axis direction of the embedded stud, and the second hoisting hole is located between the second connecting hole and the jaw.

[0016] In some embodiments, the second hoisting hole comprises a third opening and a fourth opening in communication, the fourth opening is located on the side of the third opening away from the second connecting hole, the inner diameter of the third opening is greater than the outer dimension of the fixing nut, the inner diameter of the fourth opening is greater than or equal to the outer diameter of the embedded stud and less than the outer dimension of the fixing nut.

[0017] Through the above setting, if the fixed nut and the embedded stud are locked and the relative position cannot be changed, the inner diameter of the third opening is larger than the outer size of the fixed nut, the second hoisting piece can still be located between the fixed nut and the hoisted object, and in the process of hoisting the hoisted object through the second hoisting piece, the embedded stud can be located in the fourth opening, the inner diameter of the fourth opening is smaller than the outer size of the fixed nut, and the second hoisting piece is avoided from being separated.

[0018] In another aspect, the application also provides a crane, which comprises a base, a hoisting arm and a hoisting assembly as described above, the hoisting arm is arranged on the base, the hoisting arm is provided with a wire rope, one end of the wire rope is fixed on the hoisting arm, and the other end of the wire rope is connected with the first hoisting piece of the hoisting assembly.

[0019] It can be understood that the crane provided by the above-mentioned embodiments of the application can achieve the beneficial effects as described above with reference to the beneficial effects of the hoisting assembly, which will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 FIG. 1 is a schematic view of the connection between the hoisting assembly and the hoisted object in the embodiments of the application;

[0021] Figure 2 FIG. 2 is a schematic view of the connection between the embedded screw, the fixed nut and the hoisted object in the embodiments of the application;

[0022] Figure 3 FIG. 3 is a schematic view of the structure of the first hoisting piece in the embodiments of the application;

[0023] Figure 4 FIG. 4 is a schematic view of the structure of the second hoisting piece in the embodiments of the application.

[0024] FIG. 1 is a schematic view of the connection between the hoisting assembly and the hoisted object in the embodiments of the application; DETAILED DESCRIPTION

[0025] In order to better understand the technical solutions provided by the embodiments of the present application, the technical solutions of the embodiments of the present application will be described in detail below with reference to the drawings and specific embodiments. It should be understood that the specific features in the embodiments of the present application and the embodiments are detailed descriptions of the technical solutions of the embodiments of the present application, and are not limitations of the technical solutions of the present application. In the case of no conflict, the technical features in the embodiments of the present application and the embodiments can be combined with each other.

[0026] In this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element. The terms "two or more" and "two or more than two" include both the recited number of units and also any number greater than the recited number of units.

[0027] With reference to Figure 1 and Figure 2 , the embodiments of the present application provide a crane, which comprises a base, a boom and a hoisting assembly 100, the boom is arranged on the base, a steel wire rope 1 is arranged on the boom, and the boom of the crane is connected with the hoisting assembly 100 through the steel wire rope 1. Exemplarily, one end of the steel wire rope 1 is connected with the boom of the crane, and the other end of the steel wire rope 1 is connected with one hoisting assembly 100.

[0028] The present application also provides a hoisting assembly 100 for the crane, which is used for hoisting a hoisted object 2. In some embodiments, the hoisted object 2 is a linear wood. The hoisting assembly 100 comprises a pre-buried stud 11 and a fixing nut 12, wherein the pre-buried stud 11 is fixed on the hoisted object 2, and the fixing nut 12 is connected with the pre-buried stud 11 in a matching mode, and the fixing nut 12 is located at a middle position of the pre-buried stud 11, that is, a part of the pre-buried stud 11 is exposed on a side of the fixing nut 12 close to the hoisted object 2, and another part of the pre-buried stud 11 is also exposed on a side of the fixing nut 12 away from the hoisted object 2.

[0029] With reference to Figure 1 , Figure 2 and Figure 3The lifting assembly 100 further comprises a first lifting piece 20, and a first connecting hole 21 is arranged on the first lifting piece 20, and the first connecting hole 21 is used for connecting with the lifting arm of the crane through the wire rope 1. In some embodiments, the lifting assembly 100 further comprises a shackle 3, and the shackle 3 comprises a first part, a second part and a third part, the first part and the second part are arranged in parallel, and the third part connects the first part and the second part, so that the shackle 3 is arranged in a “U” shape. The first part and the second part are both provided with through holes, and the center lines of the two through holes are collinear, and the diameters of the through holes are the same as the diameter of the first connecting hole 21, so that other bolts can be sequentially threaded through the through hole on the first part, the first connecting hole 21 and the through hole on the second part, and the third part is used for connecting with the wire rope 1, so that the wire rope 1 is connected with the first lifting piece 20 through the shackle 3.

[0030] In the above embodiment, the first lifting piece 20 is further provided with a first lifting hole 22, and the arrangement direction of the first lifting hole 22 and the first connecting hole 21 is perpendicular to the axis direction of the embedded stud 11, and the inner diameter of the first lifting hole 22 is greater than or equal to the outer diameter of the embedded stud 11, and the first lifting hole 22 is used for matched connection with the embedded stud 11; that is, the first lifting hole 22 can be threaded through the embedded stud 11, and the fixing nut 12 can be used to fix the position of the first lifting piece 20.

[0031] In some embodiments, the embedded stud 11 is first threaded through the first lifting hole 22 on the first lifting piece 20, and then the fixing nut 12 is assembled on the embedded stud 11, so that the first lifting piece 20 is located between the hoisted object 2 and the fixing nut 12, and the fixing nut 12 fixes the position of the first lifting piece 20.

[0032] In another embodiment, one side of the first lifting piece 20 can be provided with a lifting nut, and the lifting nut is coaxially arranged with the first lifting hole 22, and the lifting nut can be fixedly connected with the first lifting piece 20 by welding or the like. Therefore, after the lifting assembly 100 is used for a long time, if the fixing nut 12 and the embedded stud 11 are locked and the relative position cannot be changed, the embedded stud 11 can be threaded through the first lifting hole 22 on the first lifting piece 20, and the fixing nut 12 and the lifting nut can jointly fix the position of the first lifting piece 20, so that the service life of the lifting assembly 100 can be increased.

[0033] The hoisting assembly 100 provided by the embodiment of the present application is fixed on the hoisted object 2, the first hoisting piece 20 is provided with a first hoisting hole 22, the inner diameter of the first hoisting hole 22 is greater than or equal to the outer diameter of the embedded stud 11, the first hoisting hole 22 is used for matched connection with the embedded stud 11, the fixing nut 12 is matched with the embedded stud 11, and the fixing nut 12 is used for fixing the position of the first hoisting piece 20, so that the stability in the hoisting process can be improved, meanwhile, the matched connection of the fixing nut 12, the first hoisting piece 20 and the embedded stud 11 can simplify the dismounting process between the hoisting assembly 100 and the hoisted object 2.

[0034] In some embodiments, the embedded stud 11 is provided with two, the two embedded studs 11 are fixed on the two sides of the hoisted object 2, and the axes of the two embedded studs 11 are located on the same straight line. Adaptively, the first hoisting piece 20 is also provided with two, the two first hoisting pieces 20 are connected with the two embedded studs 11 respectively, so that the stability of the hoisted object 2 in the hoisting process can be improved.

[0035] In some embodiments, the first hoisting hole 22 includes a first opening 221 and a second opening 222 which are communicated, the second opening 222 is located on the side of the first opening 221 away from the first connecting hole 21, the inner diameter of the first opening 221 is greater than the outer size of the fixing nut 12, the inner diameter of the second opening 222 is greater than or equal to the outer diameter of the embedded stud 11 and is less than the outer size of the fixing nut 12. Through the above setting, if the fixing nut 12 is locked with the embedded stud 11 and the relative position cannot be changed, the first hoisting piece 20 can still be located between the fixing nut 12 and the hoisted object 2 because the inner diameter of the first opening 221 is greater than the outer size of the fixing nut 12, and in the process of hoisting the hoisted object 2 through the first hoisting piece 20, the embedded stud 11 can be located in the second opening 222, the inner diameter of the second opening 222 is less than the outer size of the fixing nut 12, so that the first hoisting piece 20 is avoided from being separated.

[0036] Referring to Figure 1 , Figure 2 and Figure 4 In some embodiments, the hoisting assembly 100 can further include a second hoisting piece 30, the second hoisting piece 30 is provided with a second connecting hole 31, and the second connecting hole 31 is used for being connected with the hoisting arm of the crane through the wire rope 1; similarly, the second hoisting piece 30 can also be connected with the wire rope 1 through the shackle 3 as described above. The diameter of the through hole is the same as that of the second connecting hole 31, so that other bolts can pass through the second connecting hole 31 and the two through holes, so that the wire rope 1 can be connected with the first hoisting piece 20 through the shackle 3.

[0037] In the above embodiments, the second hoisting member 30 is further provided with a jaw 32, which is used for mounting or dismounting the fixing nut 12. In some embodiments, the jaw 32 can include a first jaw 321, a second jaw 322 and a third jaw 323, which are arranged along the edge of the second hoisting member 30, and the sizes of the first jaw 321, the second jaw 322 and the third jaw 323 are different to correspond to fixing nuts 12 of different specifications.

[0038] In some embodiments, the second hoisting member 30 further includes a second hoisting hole 33, which is used for cooperating with the embedded stud 11; the fixing nut 12 is also used for fixing the position of the second hoisting member 30. Through the above arrangement, when the first hoisting member 20 cannot continue to realize the hoisting function, the hoisting of the hoisted object 2 can be realized through the second hoisting member 30.

[0039] Similarly, in some embodiments, two embedded studs 11 are provided, which are fixed on the two sides of the hoisted object 2, and the axes of the two embedded studs 11 are located on the same straight line. Adaptively, two second hoisting members 30 are also provided, which are connected with the two embedded studs 11 respectively, which can improve the stability of the hoisted object 2 during hoisting. Among them, the arrangement direction of the second connecting hole 31 and the second hoisting hole 33 is perpendicular to the axis direction of the embedded stud 11, and the second hoisting hole 33 is located between the second connecting hole 31 and the jaw 32.

[0040] In the above embodiments, the second hoisting hole 33 includes a third opening 331 and a fourth opening 332 which are communicated, the fourth opening 332 is located on the side of the third opening 331 away from the second connecting hole 31, the inner diameter of the third opening 331 is greater than the outer size of the fixing nut 12, the inner diameter of the fourth opening 332 is greater than or equal to the outer diameter of the embedded stud 11 and less than the outer size of the fixing nut 12.

[0041] Through the above arrangement, if the fixing nut 12 and the embedded stud 11 are locked and the relative position cannot be changed, and the inner diameter of the third opening 331 is greater than the outer size of the fixing nut 12, the second hoisting member 30 can still be located between the fixing nut 12 and the hoisted object 2, and in the process of hoisting the hoisted object 2 through the second hoisting member 30, the embedded stud 11 can be located in the fourth opening 332, the inner diameter of the fourth opening 332 is less than the outer size of the fixing nut 12, so as to avoid the disengagement of the second hoisting member 30.

[0042] It should be noted that in the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0043] The above examples are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

[0044] Although the preferred embodiments of the present specification have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present specification.

[0045] Obviously, those skilled in the art can make various modifications and variations to the present specification without departing from the spirit and scope of the present specification. Thus, if these modifications and variations of the present specification fall within the scope of the claims of the present specification and their equivalents, the present specification also intends to include these modifications and variations.

Claims

1. A hoisting assembly for connection with a boom of a crane, characterized in that, The lifting assembly comprises: a pre-buried stud fixed on the object to be lifted; a first lifting member provided with a first lifting hole, the inner diameter of the first lifting hole being greater than or equal to the outer diameter of the pre-buried stud, and the first lifting hole being used for cooperating with the pre-buried stud; a fixing nut cooperating with the pre-buried stud, and the fixing nut being used for fixing the position of the first lifting member.

2. The hoisting assembly of claim 1, wherein, The pre-buried stud is provided with two pre-buried studs fixed on the two sides of the object to be lifted, and the axes of the two pre-buried studs are located on the same straight line.

3. The hoist assembly of claim 1, wherein, The first lifting member is further provided with a first connecting hole, the arrangement direction of the first connecting hole and the first lifting hole is perpendicular to the axis direction of the pre-buried stud, and the first connecting hole is used for connecting with the lifting arm of the crane through a wire rope.

4. The hoisting assembly of claim 3, wherein, The first lifting hole comprises a first opening and a second opening in communication, the second opening is located on the side of the first opening away from the first connecting hole, the inner diameter of the first opening is greater than the outer size of the fixing nut, the inner diameter of the second opening is greater than or equal to the outer diameter of the pre-buried stud, and is less than the outer size of the fixing nut.

5. Hoisting assembly according to any of claims 1-4, characterized in that, The lifting assembly further comprises a second lifting member, the second lifting member is provided with a second connecting hole and a jaw, the second connecting hole is used for connecting with the lifting arm of the crane through a wire rope, and the jaw is used for installing or dismounting the fixing nut.

6. The hoist assembly of claim 5, wherein, The jaw comprises a first jaw, a second jaw and a third jaw, the first jaw, the second jaw and the third jaw are arranged along the edge of the second lifting member, and the sizes of the first jaw, the second jaw and the third jaw are different.

7. The hoist assembly of claim 5, wherein, The second lifting member further comprises a second lifting hole, the second lifting hole is used for cooperating with the pre-buried stud, and the fixing nut is also used for fixing the position of the second lifting member.

8. The hoisting assembly of claim 7, wherein, The arrangement direction of the second connecting hole and the second lifting hole is perpendicular to the axis direction of the pre-buried stud, and the second lifting hole is located between the second connecting hole and the jaw.

9. The hoist assembly of claim 7, wherein, The second lifting hole comprises a third opening and a fourth opening in communication, the fourth opening is located on the side of the third opening away from the second connecting hole, the inner diameter of the third opening is greater than the outer size of the fixing nut, the inner diameter of the fourth opening is greater than or equal to the outer diameter of the pre-buried stud, and is less than the outer size of the fixing nut.

10. A crane, characterized in that The crane comprises a base, a lifting arm and the lifting assembly according to any one of claims 1-9, the lifting arm is arranged on the base, the lifting arm is provided with a wire rope, one end of the wire rope is fixed on the lifting arm, and the other end of the wire rope is connected with the first lifting member of the lifting assembly.

Images