CN220998951U

CN220998951U - Concealed lifting device

Info

Publication number: CN220998951U
Application number: CN202322730280.9U
Authority: CN
Inventors: 胡瑞光; 丁洪波; 袁振洋; 吴家宝; 郭凯伦; 胡超; 涂海胜; 欧阳广钰
Original assignee: Ningbo Yonggong Engineering Equipment Co ltd
Current assignee: Ningbo Yonggong Engineering Equipment Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-05-24
Anticipated expiration: 2033-10-11

Abstract

The utility model relates to an embedded lifting device which is arranged on a lifting object, wherein the lifting object comprises an outer wall plate, and the outer wall plate is provided with a plurality of lifting holes recessed from the surface. The hoisting device comprises: the lifting seat is fixed in the outer wall plate, the lifting seat correspondingly surrounds the lifting hole and is positioned in the lifted object, and an accommodating space is formed between the lifting seat and the outer wall plate. The lifting lug is rotatably connected with the lifting seat and comprises a hidden gesture positioned in the accommodating space and a lifting gesture for rotating the outer wall plate to partially protrude; the lifting lugs are arranged in a pairing mode, and the lifting centers constructed by connecting the centers of the four lifting lugs are collinear with the gravity center of the lifted object. The lifting seat is integrally built in the lifting object and is combined with the outer wall plate to form an integral structure, the outer wall plate is utilized to bear the integral lifting weight, the structural strength is high, the deformation is small, and the lifting lug forms an embedded structure.

Description

Concealed lifting device

Technical Field

The utility model relates to the technical field of hoisting, in particular to an implicit hoisting device.

Background

The lifting lug is required to be equipped with to cooperate with a rope or a lifting mechanism for lifting operation, and in the related art, the lifting lug is welded and fixed to the lifting object so as to improve the lifting reliability and structural strength. However, in some use scenarios, the lifting lugs need to be cut off after the lifting is completed, so as to avoid affecting the use of the lifted object. If the lifted object is shield body equipment used in the process of excavating a subway tunnel and a municipal highway tunnel, the lifting lug needs to be welded when the shield body equipment is in a lifting and transferring state, and the lifting lug needs to be cut off when the shield body equipment starts a tunneling working state so as to avoid influencing the tunneling operation of the shield body equipment.

As disclosed in chinese publication CN206927459U, a reusable shield lifting lug system is disclosed, in which lifting lugs are fixed on shield equipment by welding, and flaw detection is required after the welding is completed, so as to ensure the lifting safety of the equipment. The lifting lug can influence the use of shield equipment, the lifting lug needs to be dismantled after the lifting is completed, and the repeated switching and welding not only influence the structural stability of the shield equipment, but also can have the technical problem of great potential safety hazard due to repeated operation. In addition, the mounting time of the lifting lug before equipment is started can be increased, the construction period is further prolonged, and therefore improvement is needed.

Disclosure of utility model

In order to overcome the problems in the related art, the embodiment of the utility model provides an implicit lifting device, which is used for solving the technical problems that the structural stability of shield equipment is affected by repeated switching and welding and potential safety hazards exist.

According to a first aspect of an embodiment of the present utility model, there is provided a built-in lifting device, the lifting device being provided to a lifted object, the lifted object including an outer wall plate, the outer wall plate having a plurality of lifting holes recessed from a surface, the lifting device including:

The lifting seat is fixed on the outer wall plate, is correspondingly arranged around the lifting hole and is positioned in the lifted object, and an accommodating space is formed between the lifting seat and the outer wall plate;

The lifting lug is rotatably connected with the lifting seat and comprises a hidden gesture positioned in the accommodating space and a lifting gesture for rotating the outer wall plate to partially protrude;

The lifting lugs are arranged in a pairing mode, and the lifting centers constructed by connecting the centers of the four lifting lugs are collinear with the gravity center of the lifted object.

In one embodiment, the rotation axes of the two opposite lifting lugs are parallel to each other.

In an embodiment, the connecting line of the lifting center and the connecting part of the lifting lug is perpendicular to the rotation axis of the lifting lug.

In an embodiment, the lifting lug comprises an integrally formed shaft body and an annular lifting ring part, and the shaft body is rotatably connected with the lifting seat; or alternatively, the first and second heat exchangers may be,

The lifting lug comprises a platy lifting plate and a rotating shaft fixed on the lifting plate, the lifting plate is provided with a through lifting hole, and the rotating shaft is rotatably connected with the lifting seat.

In an embodiment, the lifting seat comprises an annular frame and a bottom plate for sealing the bottom of the annular frame, and the rotating shaft of the lifting lug is rotatably connected with the opposite side wall of the annular frame.

In an embodiment, the lifting seat comprises a lifting lug seat fixed on the annular frame, the lifting lug seat is provided with a rotating hole, and the rotating shaft is rotatably connected with the rotating hole.

In one embodiment, the lifting seat includes a plurality of reinforcing ribs connecting the annular frame and the outer wall panel.

In an embodiment, the annular frame comprises a main plate and a slat which are matched with each other, the main plate and the slat construct a concave space, the main plate and the slat are connected and oppositely arranged, and the main plate and/or the slat is/are an inner lining plate of the hoisted object.

In an embodiment, the lifting device further comprises a sealing plate for sealing the opening of the lifting hole, and the sealing plate is welded and fixed with the outer wall plate; or alternatively, the first and second heat exchangers may be,

The sealing plate is detachably connected with the outer wall plate.

In one embodiment, the outer wall plate is in a ring-shaped structure, a flat plate structure or a special-shaped curved surface structure.

The technical scheme provided by the embodiment of the utility model can comprise the following beneficial effects: the lifting seat is integrally built in the lifting object and is combined with the outer wall plate to form an integral structure, the outer wall plate is utilized to bear the integral lifting weight, the structural strength is high, the deformation is small, and the lifting lug forms an embedded structure. The lifting lug is rotatably connected to the lifting seat so as to realize the switching of the hidden gesture and the lifting gesture, repeated cutting and flaw detection are not needed, and the construction efficiency is improved. The four lifting lugs are a group of lifting structures, and the lifting center is collinear with the gravity center of the lifted object, so that the stability and the stress balance of lifting operation are improved, and the lifting construction safety is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

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

Fig. 1 is a schematic structural view of a lifting device according to an exemplary embodiment.

Fig. 2 is a schematic view of a hoisting center in a hoisting device according to an exemplary embodiment.

Fig. 3 is an enlarged partial schematic view illustrating a lifting lug in a lifted position according to an exemplary embodiment.

Fig. 4 is an enlarged partial schematic view illustrating a shackle in a hidden position according to an exemplary embodiment.

Fig. 5 is a cross-sectional schematic view illustrating a lifting lug in a lifted position according to an exemplary embodiment.

Fig. 6 is a schematic view of a plate-shaped shackle shown according to an exemplary embodiment.

In the figure, a hoisted object 10; an outer wall plate 11; a lifting hole 12; a lifting seat 20; an annular frame 21; a bottom plate 22; a shackle seat 23; a rotation hole 231; reinforcing ribs 24; lifting lugs 30; a hanging ring part 31; a shaft body 32; a rotation shaft 33; a lifting plate 34; and a sealing plate 40.

Description of the embodiments

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, the present utility model provides an implicit lifting apparatus, which is provided to a lifted object 10. The hoisted object 10 can be arranged into a ring shape or a heavy object with a hoisting platform, such as shield equipment, construction platform equipment and tunneling construction equipment of the hoisted object 10.

The lifted object 10 includes an outer wall plate 11, and the outer wall plate 11 is a peripheral rigid layer of the lifted object 10, wherein the outer wall plate 11 may be configured as an approximately annular tubular steel plate layer or a partially flat plate-shaped platform layer or a partially curved lifting layer, and the outer wall plate 11 has a plurality of lifting holes 12 recessed from the surface. The lifting holes 12 penetrate the outer wall plate 11 to constitute a perforated structure, wherein the lifting holes 12 are provided in plurality, e.g., four, eight, etc., of the lifting holes 12. The lifting holes 12 are arranged in pairs, and the central connecting lines of the four lifting holes 12 are distributed in a rectangular shape.

The lifting device comprises a lifting seat 20 fixed on the outer wall plate 11 and a lifting lug 30 rotatably connected with the lifting seat 20, wherein the lifting seat 20 is welded and fixed on the outer wall plate 11 and forms an integral structure with the outer wall plate 11, and the lifting device is high in structural strength and good in mechanical property. The lifting seat 20 is correspondingly arranged around the lifting hole 12 and is positioned in the lifting object 10, so that the peripheral wall of the outer wall plate 11 is flat and has no convex structure, and the lifting seat is applicable to a shield body structure.

The hoist shoes 20 are disposed around the hoist hole 12 to strengthen the peripheral strength of the hoist hole 12. An accommodating space is formed between the hoist mount 20 and the outer wall plate 11, and the accommodating space may be provided as an annular space with an open bottom or a groove space with a closed bottom. Preferably, the receiving space is a recess space to avoid foreign objects falling into the lifting object 10. The lifting seat 20 is integrally built in the lifting object 10 and is combined with the outer wall plate 11 to form an integral structure, the outer wall plate 11 is used for bearing the integral lifting weight, the structural strength is high, the deformation is small, and the lifting lug 30 forms an embedded structure.

The lifting lug 30 comprises a hidden posture in the accommodating space and a lifting posture for rotating the locally protruding outer wall plate 11, and the hidden posture can keep the lifting lug 30 in the accommodating space without affecting the normal operation of the lifted object 10. For example, the lifting lug 30 is clamped to the lifting seat 20; alternatively, the lifting lug 30 is defined within the lifting seat 20. The lifting lug 30 is rotatably connected to the lifting seat 20 to realize the switching of the hidden gesture and the lifting gesture, so that repeated cutting and flaw detection are not needed, and the construction efficiency is improved.

The lifting lugs 30 are arranged in pairs, the four lifting lugs 30 form a group of lifting structures, the intersection point of the central connecting lines of the four lifting lugs 30 is a lifting center, and the lifting center is collinear with the gravity center of the lifted object 10, so that the stability and the stress balance of lifting operation are improved, and the lifting construction safety is improved.

The lifting lugs 30 are paired, wherein the rotation shafts 33 of the two lifting lugs 30 disposed opposite to each other are parallel to each other. The rotation of the lifting lugs 30 is parallel so that the lifting lugs 30 rotate relatively, and the deflection amount of the lifting lugs 30 is reduced. Alternatively, four lifting lugs 30 are provided, two lifting lugs 30 which are oppositely arranged are arranged in parallel, and the rotation shafts 33 of the two lifting lugs 30 which are positioned on the same side are coaxial. Or the four lugs 30 are disposed obliquely with respect to each other to constitute a diagonal structure, i.e., the axes of the rotation shafts 33 of the four lugs 30 intersect obliquely.

Preferably, the center line of the lifting lug 30 is perpendicular to the rotation axis 33 of the lifting lug 30, so that the force of the connection of the lifting lock to the lifting lug 30 is transmitted to the lifted object 10 at a vertically symmetrical angle. The component force of the lifting lockset on the lifting lug 30 is small, so that the torsion force applied to the lifted object 10 is reduced, and the structural stability of the lifted object 10 is good.

As shown in fig. 3 and 5, in an embodiment, the lifting lug 30 includes an integrally formed shaft body portion 32 and an annular lifting ring portion 31, and the shaft body portion 32 is rotatably connected with the lifting seat 20. The ring portion 31 has an annular structure, and the shaft body portion 32 forms a rotation shaft 33 of the shackle 30 and extends tangentially to the ring portion 31 to form an annular structure. The connection part of the hanging ring part 31 and the lifting lock is perpendicular to the axis of the rotating shaft 33. The lifting lug 30 is of an integral structure, and the integral structure is high in strength. In this embodiment, the axis of the ring portion 31 and the axis of the shaft portion 32 are perpendicular to each other to form a perpendicular intersecting structure.

As shown in fig. 3 and 6, in another embodiment, the lifting lug 30 includes a plate-shaped lifting plate 34 and a rotation shaft 33 fixed to the lifting plate 34, the lifting plate 34 is provided with a lifting hole therethrough, and the rotation shaft 33 is rotatably connected to the lifting seat 20. In this embodiment, the lifting plate 34 and the rotation shaft 33 are welded integrally or are tightly connected by plugging to constitute an integral structure. The center line of the hoist hole and the rotation shaft 33 are disposed in parallel to constitute a parallel connection structure. The lifting lug 30 has a simplified structure and can be adapted to the lifting of the small-sized lifted object 10.

The lifting lug 30 is installed on the lifting seat 20, and the lifting seat 20 and the outer wall plate 11 are welded and fixed into a whole. In one embodiment, the lifting base 20 comprises an annular frame 21 and a bottom plate 22 closing the bottom of the annular frame 21, and the rotation shaft 33 of the lifting lug 30 is rotatably connected to the opposite side wall of the annular frame 21. The annular frame 21 is constituted by an integral tubular structure; or the annular frame 21 is formed by welding and combining a plurality of plates. The bottom plate 22 is closed at the bottom of the annular frame 21 to form a bottom closed structure, so that the lifting seat 20 forms a groove space in the surrounding area, and foreign matters are prevented from falling into the lifting object 10.

As shown in fig. 3 to 5, further, the hoist mount 20 is provided with a shackle seat 23 fixed to the ring frame 21, the shackle seat 23 is provided with a rotation hole 231, and the rotation shaft 33 is rotatably connected to the rotation hole 231. The lug seat 23 is a lug structure fixed on the side wall of the annular frame 21, the lug seat 23 is distributed on the rotating shafts 33 at two ends of the lug 30 and is welded and fixed to the annular frame 21, so that the assembly convenience of the lug 30 can be improved, holes can be prevented from being punched in the annular frame 21, and the structural strength of the annular frame 21 can be improved.

In one embodiment, the lifting seat 20 includes a plurality of stiffening ribs 24 connecting the ring frame 21 and the outer wall panel 11. A plurality of stiffening ribs 24 are provided along the periphery of the ring frame 21 to support the ring frame 21 to improve the structural stability of the lifting foot 20 and to provide stable support for the lifted object 10. Preferably, the stiffening ribs 24 are triangular or bar-shaped to provide circumferential support to the ring frame 21. For example, the reinforcement ribs 24 are equally spaced along the length of the annular frame 21, and the axis of rotation 33 is perpendicular to the length of the annular frame 21 so that the lifting lugs 30 can be entirely recessed within the lifting sockets 20.

Further, the annular frame 21 includes mating main plates and strips, which form a concave space, and the main plates and strips are connected to each other in a manner that the main plates and strips are opposite to each other, and the main plates and/or strips are inner liners of the hoisted object 10. The main board and the ribbon board intersect and form an annular frame 21 in the surrounding area, it should be noted that the edge of the annular frame 21 may be set to a non-flush structure, and the annular frame 21 is a surrounding peripheral wall. For example, the main panels are elongated lining panels arranged around the outer wall panel 11, and the laths are transverse lining panels distributed between the two main panels. The staggered surrounding areas of the main board and the ribbon board form the annular frame 21.

In this embodiment, the lifting device utilizes the inner lining plate structure inside the lifted object 10 to construct the accommodating space so as to accommodate the lifting lug 30, thereby reducing the complexity of the structure and reducing the structural change of the lifted object 10 by utilizing the self-structure of the lifted object 10, and having high structural strength and high space utilization rate.

As shown in fig. 4, based on the above embodiment, further, the lifting device further includes a sealing plate 40 for closing the opening of the lifting hole 12, and the sealing plate 40 has a plate-like structure. In the hidden posture, the sealing plate 40 seals the lifting hole 12 to prevent the accommodating space from entering foreign matters, and also prevent the lifting lug 30 from rotating out of the accommodating space.

The connection of the sealing plate 40 to the outer wall plate 11 includes welding, detachable connection, etc. Optionally, the sealing plate 40 is welded and fixed with the outer wall plate 11, so that the sealing plate 40 can be prevented from being separated and can maintain a sealing posture all the time in the tunneling process of shield body equipment.

Optionally, the sealing plate 40 is detachably connected to the outer wall plate 11, so as to facilitate the disassembly and assembly of the sealing plate 40. Optionally, the sealing plate 40 is fastened by fasteners to remove the lock from the outer wall panel 11. Preferably, the sealing plate 40 is flush with or slightly below the surface of the outer wall plate 11 to constitute a flat peripheral wall of the shield apparatus.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. An implicit hoisting device, the hoisting device sets up in lifting by crane the thing, the lifting by crane the thing and including the outer wallboard, the outer wallboard is from a plurality of lifting holes of surface depression, its characterized in that, the hoisting device includes:

2. The concealed lifting device as claimed in claim 1, wherein the rotational axes of the two lifting lugs disposed opposite each other are parallel to each other.

3. The concealed lifting device as claimed in claim 2, wherein the centre line of the lifting lug is perpendicular to the axis of rotation of the lifting lug.

4. The concealed lifting device as claimed in claim 1, wherein the lifting lug comprises an integrally formed shaft portion and an annular lifting ring portion, the shaft portion being rotatably connected with the lifting seat; or alternatively, the first and second heat exchangers may be,

5. The concealed lifting device as claimed in claim 1, wherein the lifting base comprises an annular frame and a bottom plate closing the bottom of the annular frame, and the rotational axis of the lifting lug is rotatably connected to the opposite side wall of the annular frame.

6. The concealed lifting device as claimed in claim 5, wherein the lifting seat comprises a lifting lug seat fixed to the annular frame, the lifting lug seat is provided with a rotation hole, and the rotation shaft is rotatably connected with the rotation hole.

7. The concealed lifting device as recited in claim 5, wherein the lifting seat includes a plurality of stiffening ribs connecting the annular frame and the outer wall panel.

8. The concealed lifting device as claimed in claim 5, wherein the annular frame comprises a mating main plate and a slat, the main plate and the slat form a concave space, the main plate and the slat are connected and oppositely arranged, and the main plate and/or the slat is/are an inner lining plate of the lifted object.

9. The concealed lifting device as claimed in any one of claims 1 to 8, further comprising a sealing plate closing the lifting hole opening, the sealing plate being welded to the outer wall plate; or alternatively, the first and second heat exchangers may be,

The sealing plate is detachably connected with the outer wall plate.

10. A concealed lifting device as claimed in any one of claims 1 to 8 wherein the outer wall panel is of annular or flat or profiled curved configuration.