CN219297027U

CN219297027U - Rotary hook box

Info

Publication number: CN219297027U
Application number: CN202223604663.3U
Authority: CN
Inventors: 雷步忠
Original assignee: Shanghai Boqiang Heavy Industry Group Co ltd
Current assignee: Shanghai Boqiang Heavy Industry Group Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-07-04
Anticipated expiration: 2032-12-31

Abstract

The utility model provides a rotary hook box, which is used for accommodating a lifting hook and comprises a first jaw and a second jaw, wherein the first jaw is fixedly connected with a base body; the second jaw is movably arranged on one side of the first jaw, an abutting part is arranged on the second jaw, and the second jaw can rotate relative to the first jaw due to the fact that the lifting hook pushes the abutting part downwards along the height direction, so that the second jaw and the first jaw enclose to form a box body state, and the lifting hook is contained in the enclosed box body. The rotary hook box provided by the utility model can drive the second jaw to rotate under the action of gravity of the lifting hook to form a box body state, so that the lifting hook is stored in the box body, the complicated positioning and placing work is avoided, the operation efficiency of placing the lifting hook in the hook box is effectively improved, and the technical problems that the lifting hook can be placed after the lifting hook is accurately aligned in the prior art are solved, and the lifting hook is inconvenient to place in the hook box and has low efficiency.

Description

Rotary hook box

Technical Field

The utility model relates to the technical field of lifting hook fixing equipment, in particular to a rotary hook box.

Background

In the field of hoisting machinery products, along with the continuous expansion of the application field of the crane, the requirements on the safe working load and the lifting operation height of the crane are larger, such as a marine crane, an offshore wind power installation crane and the like, and the requirements on the safe working load and the lifting operation height of a crane lifting hook are larger, so that the self weight of the configured lifting hook is also larger.

For example, the offshore wind power installation crane is arranged on an offshore wind power crane ship, in ship body arrangement, in order to save deck arrangement control, when a crane arm frame is placed, the arm frame extends out of a ship, under general conditions, when the arm frame is placed, a lifting hook can be lifted to a position close to the head of the arm frame, the lifting hook can be influenced by ship body movement to swing, the arm frame structure is easy to be impacted, or a steel wire rope of the lifting hook is damaged due to excessive torsion; in order to avoid potential safety hazards caused by swing of the lifting hook, the lifting hook is generally lowered to a certain height in the prior art and then placed in a hook box fixed on the deck.

However, the opening of the hook box in the prior art is smaller, and the lifting hook is generally far away from the crane operation room and is influenced by sea stormy waves, so that the operation of placing the lifting hook in the hook box is laborious, the hook box can be placed after the accurate alignment is carried out with the aid of extra manpower, the whole process is time-consuming and laborious, and the operation is inconvenient.

Therefore, the prior art has at least the following technical problems: the hook box in the prior art can be placed after the hooks are precisely aligned, so that the hooks are inconvenient to place into the hook box and have low efficiency.

Disclosure of Invention

The embodiment of the application solves the technical problems that the hook box in the prior art can be put in after the hook box is accurately aligned, so that the hook box is inconvenient to put in and the efficiency is low.

To solve the above technical problem, embodiments of the present application provide a rotating hook box for accommodating a hook, the rotating hook box includes:

the first jaw is fixedly connected with the base body;

the second jaw is movably arranged on one side of the first jaw, an abutting part is arranged on the second jaw, and the second jaw can rotate relative to the first jaw due to the fact that the lifting hook pushes the abutting part downwards along the height direction, so that the second jaw and the first jaw enclose a box body state, and the lifting hook is contained in the enclosed box body.

Further, the bottom of the second jaw is hinged to the base, and the second jaw is disposed on one side of the first jaw so as to rotate relative to the first jaw.

Further, a locking device is arranged between the first jaw and the second jaw, and when the second jaw rotates to form a box state with the first jaw, the locking device can fix the first jaw and the second jaw.

Further, a positioning groove is formed in each of the first jaw and the second jaw, a movable shaft pin is arranged on each of the first jaw and the second jaw, and when the second jaw rotates to form a box state with the first jaw, the shaft pin can be inserted into the two positioning grooves, so that the second jaw is fixed at the current position.

Further, the abutment is disposed obliquely with respect to the main body portion of the second jaw.

Further, the abutting portion is perpendicular to the main body portion of the second jaw, and an abutting surface of the abutting portion for contacting with the hook is an arc guiding surface with a gradually reduced thickness.

Further, a protection chain lock is connected between the first jaw and the second jaw, and the protection chain lock is used for limiting and restraining the rotation angle of the second jaw.

Further, the first jaw is vertically fixed relative to the base.

Further, the box body formed by enclosing the first jaw and the second jaw is in an open shape.

Further, the first jaw is provided with a jaw for accommodating the second jaw, the first jaw can extend into or out of the jaw, and when the first jaw extends into the jaw, the first jaw and the second jaw are meshed to form the box body.

One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:

(1) According to the rotary hook box provided by the utility model, the first jaw is fixedly connected with the base body, the second jaw can rotate relative to the base body, when the lifting hook pushes the abutting part of the second jaw along the height direction, the second jaw rotates under the gravity action of the lifting hook and finally rotates to form a box body state by encircling the first jaw, and along with the downward movement of the lifting hook along the height direction, the lifting hook is contained in the encircling box body, so that the alignment work of aligning the lifting hook with the opening of the box body in the prior art is omitted, the difficulty of entering the hook box when the swing amplitude of the lifting hook is overlarge due to stormy waves is reduced, the operation is simple and convenient, and the operation efficiency of the lifting hook when being placed in the hook box is effectively improved.

(2) The abutment is arranged relatively below the second jaw, and this arrangement ensures that the hook itself extends into the second jaw when in abutment with the abutment, thereby ensuring that the rotated second jaw is able to restrain the hook in the formed box.

(3) The abutting surface of the abutting part, which is used for being in contact with the lifting hook, is an arc guiding surface with gradually reduced thickness, when the lifting hook is in contact with the abutting part, the smooth guiding surface can guide the lifting hook to gradually move downwards, and the abutting surface can be always abutted with the lifting hook, so that the second jaw is prevented from being separated from the first jaw; and the rounded guide surfaces also facilitate the extraction of the hooks from the box formed by the first jaw 1 and the second jaw 2.

(4) The box that first jaw and second jaw enclose and close and form is open form, and two are bent and enclose and close and form the opening that is wider than the appearance chamber of lower part, and this setting can guide the lifting hook to get into the relative lower extreme of second jaw to further reduce the lifting hook and aim at and get into the operation degree of difficulty of box.

(5) The first jaw with be connected with a protection chain lock between the second jaw, the protection chain lock is used for spacing constraint the rotation angle of second jaw sets up the rotation angle that protection chain lock 5 can spacing second jaw, avoids second jaw relative first jaw rotation angle too big and leads to unable and the first jaw enclosure of formation box.

(6) And a locking device is arranged between the first jaw and the second jaw, and when the second jaw rotates to form a box state with the first jaw, the locking device can fix the first jaw and the second jaw so as to keep a stable box state.

(7) The first jaw is provided with a jaw for accommodating the second jaw, and the first jaw can extend into or out of the jaw, so that the first jaw and the second jaw can form a relatively closed box.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a rotating hook housing in an embodiment of the present utility model;

FIG. 2 is a front view of a rotating hook housing in an embodiment of the present utility model;

FIG. 3 is a schematic view of the contact engagement of the hook with the second jaw in an embodiment of the utility model;

FIG. 4 is a top view of a rotating hook housing in an embodiment of the present utility model;

fig. 5 is a side view of a rotating hook housing in an embodiment of the present utility model.

Reference numerals illustrate:

1. a first jaw; 11. seaming; 2. a second jaw; 3. a rotary pin; 4. a locking device; 5. a protective chain lock; 6. an abutting portion; 7. an abutment surface; 8. and (5) a lifting hook.

Detailed Description

The technical scheme in the embodiment of the application aims to solve the technical problems, and the overall thought is as follows:

the rotary hook box of this embodiment includes first jaw and second jaw, wherein, first jaw and base member fixed connection, the second jaw rotates relative first jaw, when the lifting hook pushes away the butt portion of second jaw along the direction of height, the second jaw receives the gravity effect of lifting hook and takes place to rotate, finally rotate to enclose with first jaw and close and form the box state, because lifting hook own weight is great, along with the downward movement of lifting hook along the direction of height, the lifting hook also is accomodate in enclosing the box that closes and form thereupon, thereby the lifting hook needs to aim at box open-ended alignment work in the prior art from, get into the degree of difficulty of hook box when having reduced the lifting hook because of the stormy waves, and the operating efficiency when effectively having promoted the lifting hook and having placed in the hook box, the hook box that has effectively solved among the prior art needs the lifting hook to put into just can put into after the lifting hook precision alignment, thereby make the lifting hook put into the hook box inconvenient and inefficiency's technical problem.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

In one or more embodiments of the present application, there is provided a rotating hook box for receiving a hook 8 of a crane, as shown in fig. 1 to 3, wherein the rotating hook box comprises a first jaw 1 and a second jaw 2, the first jaw 1 being fixedly connected to a base; the bottom of the second jaw 2 is hinged to the base body, an abutting portion 6 is arranged on the second jaw 2, and the second jaw 2 can rotate relative to the base body due to the fact that the lifting hook 8 pushes the abutting portion 6 downwards along the height direction, so that the second jaw 2 and the first jaw 1 enclose to form a box body state, and the lifting hook 8 is contained in the enclosed box body.

It can be seen from the above description that, in the rotary hook box provided by the embodiment of the application, the first jaw 1 is fixedly connected with the base body, the second jaw 2 can rotate relative to the base body, when the lifting hook 8 pushes the abutting portion 6 of the second jaw 2 along the height direction, the second jaw 2 rotates under the gravity action of the lifting hook 8, and finally rotates to form a box state with the first jaw 1 in a surrounding manner, because the lifting hook 8 is heavy, along with the downward movement of the lifting hook 8 along the height direction, the lifting hook 8 is contained in the box formed in a surrounding manner, so that the difficulty that the lifting hook 8 needs to align with the box opening in the prior art is avoided, the difficulty that the lifting hook 8 enters the hook box when the swing amplitude is overlarge due to stormy waves is reduced, the operation is simple and convenient, and the operation efficiency of the lifting hook 8 when being placed in the hook box is effectively improved.

It should be noted that, in each embodiment of the present application, the offshore wind turbine crane ship is used as the main body object of the lifting hook 8, and on this basis, the aforementioned substrate is the hull deck of the offshore wind turbine crane ship, which will not be described in detail below.

In some embodiments, the second jaw 2 may also be movably arranged on the first jaw 1, for example, the first jaw 1 is provided with a mounting member extending towards the second jaw 2, and the second jaw 2 is rotatably arranged on the mounting member. The second jaw 2 may be rotated relative to the first jaw 1 by the hook 8 pushing the abutment portion 6 downward in the height direction, so that the second jaw 2 and the first jaw 1 enclose a box body, and the hook 8 may be accommodated in the enclosed box body.

In some embodiments, the first jaw 1 is fixed vertically relative to the base, and the first jaw 1 may be fixed to the deck by welding, or may be fixed by bolts, so long as the relative fixing state of the first jaw 1 and the base is ensured.

In some embodiments, the hinged connection of the second jaw 2 to the base body may be achieved by means of a pin 3, i.e. a boss is provided on the base body, the second jaw 2 is provided with a hole, and the shaft is jointly threaded through the boss and the hole, thereby forming a hinged connection of the second jaw 2 to the base body.

In some embodiments, as shown in fig. 3, the aforementioned abutment portion 6 is disposed obliquely with respect to the main body portion of the second jaw 2, specifically, the abutment portion 6 is perpendicular with respect to the main body portion of the second jaw 2, and the abutment surface 7 of the abutment portion 6 for contacting the hook 8 is an arc guiding surface with a gradually decreasing thickness.

In the above embodiment, the abutment 6 is provided relatively below the second jaw 2, which arrangement ensures that the hook 8, when in abutment with the abutment 6, already protrudes into the second jaw 2 itself, thereby ensuring that the rotated second jaw 2 is able to restrain the hook 8 in the formed box. The abutment surface 7 of the abutment portion 6 for contacting the hook 8 is an arc guiding surface with gradually thinner thickness, specifically, one end of the abutment portion 6 away from the main body portion of the second jaw 2 is gradually thinner, as shown in fig. 3, the arrow direction in fig. 3 is the rotation direction of the second jaw 2, when the hook 8 contacts the abutment portion 6, the smooth guiding surface can guide the hook 8 to gradually move downwards, and can ensure that the hook 8 is always abutted, thereby preventing the second jaw 2 from being separated from the first jaw 1; and the rounded guide surface also facilitates the extraction of the hook 8 from the box formed by the first jaw 1 and the second jaw 2 for reuse.

In some embodiments, a locking device is disposed between the first jaw and the second jaw, and the second jaw is capable of fixing the first jaw and the second jaw to maintain a stable box state when the second jaw is rotated to form a box state with the first jaw.

Specifically, as shown in fig. 2, the locking device 4 includes a positioning groove respectively provided on the first jaw 1 and the second jaw 2, and a shaft pin movably provided on the first jaw 1, and when the second jaw 2 rotates to form a box state with the first jaw 1, the shaft pin can be inserted into the two positioning grooves, so that the second jaw 2 is fixed at a current position, thereby locking the box state formed by the second jaw 2 and the first jaw 1.

As an alternative, the locking device 4 can also be provided on the second jaw 2, as long as the pin can be passed jointly through the positioning slots of the first jaw 1 and the second jaw 2.

As an alternative embodiment, an exemplary embodiment may also be provided with a claw on the second jaw 2, where when the second jaw 2 rotates to form a box with the first jaw 1, the claw is clamped with a certain part of the first jaw 1 to form a solid connection. Here, the locking device 4 is described only by way of example in the present embodiment, as long as the first jaw 1 and the second jaw 2 can be locked or unlocked, and the present utility model is not limited thereto.

In some embodiments, as shown in fig. 1, 2 and 4, a guard chain lock 5 is connected between the first jaw 1 and the second jaw 2, and the guard chain lock 5 is used for limiting the rotation angle of the second jaw 2. The length of the guard chain 5 is the chord length corresponding to the included angle formed by the first jaw 1 and the second jaw 2. The protective chain lock 5 is arranged to limit the rotation angle of the second jaw 2, so that the situation that the second jaw 2 is too large relative to the first jaw 1 to form a box body by surrounding the first jaw 1 is avoided.

In some embodiments, the box formed by enclosing the first jaw 1 and the second jaw 2 is in an open shape, specifically, a side surface of the first jaw 1 facing the second jaw 2 is configured with a smooth transition bend, a side surface of the second jaw 2 facing the first jaw 1 is configured with a smooth transition bend, and in the process of forming the box by enclosing the first jaw 1 and the second jaw 2, the two bends enclose to form an opening wider than the lower cavity. This arrangement can guide the hooks 8 into the opposite lower end of the second jaw 2, thereby further reducing the difficulty of aligning the hooks 8 and entering the box.

In some embodiments, as shown in fig. 4, the first jaw 1 is provided with a jaw 11 for accommodating the second jaw 2, the first jaw 1 may extend into or out of the jaw 11, and when the first jaw 1 extends into the jaw 11, the first jaw 1 and the second jaw 2 are engaged to form the box. So arranged, the first jaw 1 and the second jaw 2 can form a relatively closed box when being extended into the seaming 11.

The operation process of the rotary hook box provided by the embodiment of the application is as follows:

in the initial state, the second jaw 2 is far away from the first jaw 1, and the protective chain lock 5 is tightened; the lifting hook 8 is along with the second jaw 2 to contact with the abutting part 6 of the second jaw 2, at this time, as the lifting hook 8 continues to move downwards, the abutting part 6 drives the second jaw 2 to rotate towards the direction of the first jaw 1 under the gravity action of the lifting hook 8, and a surrounding box body state is gradually formed; when the edge of the hook 8, which extends along the abutting surface 7, is separated from the abutting part 6 to be contacted with the base body, the hook is just enclosed to form a complete box body state. Finally, the second jaw 2 is fixed in this state by the locking device 4, namely the work of accommodating the lifting hook 8 is completed.

When the lifting hook 8 needs to be taken out, the locking device 4 is utilized to unlock the second jaw 2, and then the lifting hook 8 is vertically moved upwards along the height direction.

It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments.

The terms of orientation such as external, intermediate, internal, etc. mentioned or possible to be mentioned in this specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed accordingly depending on the different positions and different states of use in which they are located. These and other directional terms should not be construed as limiting terms.

While the utility model has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes, modifications and additions may be made without departing from the scope of the utility model. Equivalent embodiments of the present application are well known to those skilled in the art to which the present utility model pertains, when made with the aid of the teachings disclosed herein; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application still fall within the scope of the technical solution of the present application.

Claims

1. A rotating hook box for accommodating a lifting hook (8), characterized in that it comprises:

a first jaw (1) fixedly connected with the base body;

the second jaw (2) is movably arranged on one side of the first jaw (1), an abutting part (6) is arranged on the second jaw (2), the second jaw (2) can rotate relative to the first jaw (1) due to the fact that the lifting hook (8) pushes the abutting part (6) downwards along the height direction, so that the second jaw (2) and the first jaw (1) are enclosed to form a box body state, and the lifting hook (8) is contained in the enclosed box body.

2. A rotating hook housing according to claim 1, characterized in that the bottom of the second jaw (2) is hinged to the base body and that the second jaw (2) is arranged on one side of the first jaw (1) so as to rotate relative to the first jaw (1).

3. A rotating hook housing according to claim 1, characterized in that a locking device (4) is arranged between the first jaw (1) and the second jaw (2), the locking device (4) being capable of fixing the first jaw (1) with the second jaw (2) when the second jaw (2) is rotated to form a housing state with the first jaw (1).

4. A rotary hook housing according to claim 3, characterized in that the first jaw (1) and the second jaw (2) are provided with a positioning slot, respectively, the first jaw (1) or the second jaw (2) is provided with a movable shaft pin, and the shaft pin can be inserted into the two positioning slots when the second jaw (2) rotates to form a housing state with the first jaw (1), so that the second jaw (2) is fixed at the current position.

5. Swivel case according to claim 1, characterized in that the abutment (6) is arranged obliquely with respect to the main body portion of the second jaw (2).

6. The rotating hook housing according to claim 5, characterized in that the abutment (6) is perpendicular to the main body portion of the second jaw (2), and the abutment surface (7) of the abutment (6) for contact with the hook (8) is a circular arc guiding surface of decreasing thickness.

7. A rotating hook housing according to any one of claims 1 to 6, characterized in that a guard chain lock (5) is connected between the first jaw (1) and the second jaw (2), the guard chain lock (5) being adapted to limit the angle of rotation of the second jaw (2).

8. A rotating hook box according to claim 1, characterized in that the first jaw (1) is fixed vertically with respect to the base body.

9. A rotating hook box according to claim 1, characterized in that the box body formed by the enclosing of the first jaw (1) and the second jaw (2) is open.

10. A rotating hook housing according to claim 1, characterized in that the first jaw (1) is provided with a jaw opening for receiving the second jaw (2), the first jaw (1) being extendable into or out of the jaw opening, the first jaw (1) and the second jaw (2) being engaged to form the housing when the first jaw (1) is extended into the jaw opening.