CN210117214U - Lifting appliance for lifting goods shelf - Google Patents

Abstract

The utility model provides a hoist for hoisting goods shelves, this hoist includes: the lifting appliance comprises a lifting appliance body and a lifting ring; the two clamping plates of the lifting appliance body are arranged side by side at intervals, and the tops of the two clamping plates are connected through a connecting plate of the lifting appliance body to form an inverted U-shaped structure for hanging a goods shelf; the hanger body is provided with a fixing piece for locking the two clamping plates so as to form a closed structure between the hanger body and the fixing piece in an enclosing way, so that the goods shelf part is hung in the closed structure; the rings are arranged on the connecting plate and positioned above the connecting plate and used for connecting the hanging strips to hoist the goods shelf. The utility model forms a closed structure through the lifting appliance body and the fixing piece which are in the inverted U-shaped structure, thereby fixing and lifting the goods shelf; the hanging of the hanger body is realized through the hanging rings arranged on the connecting plates, so that the lifting and hoisting of the hanger body and the goods shelf can be realized through the forklift.

Description

Lifting appliance for lifting goods shelf

Technical Field

The utility model relates to a hoist technical field particularly, relates to a hoist for hoisting goods shelves.

Background

At present, the height of a warehouse layer is 13 meters, the height of a goods shelf is 12 meters, and two upright posts need to be assembled into a steel frame (the weight of one steel frame is about 300 kg) during installation, so that the height and the area of the warehouse are limited, so that a truck crane cannot be used for hoisting operation, and a finished floor does not meet the bearing capacity of the truck crane, so that the finished floor is extremely easy to damage.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a hoist for hoisting goods shelves aims at solving the higher unable problem of hoist and mount that causes the truck crane of current goods shelves.

The utility model provides a hoist for hoisting goods shelves, this hoist includes: the lifting appliance comprises a lifting appliance body and a lifting ring; the two clamping plates of the lifting appliance body are arranged side by side at intervals, and the tops of the two clamping plates are connected through a connecting plate of the lifting appliance body to form an inverted U-shaped structure for hanging a goods shelf; the lifting appliance body is provided with a fixing part for locking the two clamping plates so as to form a closed structure between the lifting appliance body and the fixing part, and the upright post of the goods shelf is hung in the closed structure; the hanging ring is arranged on the connecting plate and is positioned above the connecting plate, and is used for connecting a hanging strip to hoist the goods shelf.

Further, according to the lifting appliance for lifting the goods shelf, at least one of the two clamping plates is connected with the connecting plate in a sliding manner along the arrangement direction of the two clamping plates, so that the distance between the two clamping plates can be adjusted.

Further, in the lifting appliance for lifting the goods shelf, one of the clamping plates is provided with a screw connector, a through threaded hole is formed in the screw connector, the other clamping plate is fixed on the connecting plate, and a screw rod penetrates through the connecting plate; the screw is in threaded connection with the threaded hole and used for converting the rotation of the screw into the movement of the threaded piece so as to drive the clamping plate provided with the threaded piece to move.

Further, according to the lifting appliance for lifting the goods shelf, the end part, far away from the screw connecting piece, of the screw rod is provided with a limiting block for limiting the screw connecting piece.

Further, according to the lifting appliance for lifting the goods shelf, the screw is connected with a power mechanism and used for driving the screw to rotate.

Furthermore, in the lifting appliance for lifting the goods shelf, the clamping plate which is slidably connected with the connecting plate is provided with a sliding plate which is arranged above or below the connecting plate; the sliding plate is provided with a positioning hole, and a locking piece is inserted in the positioning hole; the connecting plate is provided with a sliding groove corresponding to the positioning hole, and the locking piece is connected with the sliding groove in a sliding mode and used for locking the connecting plate and the sliding plate when the clamping plates move to a preset distance, wherein the distance between the two clamping plates is the preset distance.

Further, according to the lifting appliance for lifting the goods shelf, at least one of the two clamping plates is rotatably connected with the connecting plate, so that an included angle between the two clamping plates can be adjusted.

Further, according to the lifting appliance for lifting the goods shelf, the reset piece is arranged between the two clamping plates or between the clamping plate and the connecting plate, and is used for pulling the clamping plate to reset after the goods shelf is partially clamped in the closed structure.

Further, in the lifting appliance for lifting the goods shelf, the reset piece is a tension spring, one end of the reset piece is connected to one of the clamping plates, and the other end of the reset piece is connected to the sliding plate arranged on the clamping plate or the other clamping plate.

Further, the lifting device for lifting the goods shelf is characterized in that the connecting plate is provided with a lifting lug above the connecting plate for connecting the lifting ring.

The utility model provides a lifting appliance for lifting goods shelves, which is convenient to form a closed structure through the lifting appliance body with an inverted U-shaped structure and a fixing part, and further fixes and lifts the goods shelves; the hanging of the hanger body is achieved through the hanging ring arranged on the connecting plate, so that the lifting and hoisting of the hanger body and the goods shelf can be achieved through the forklift, the hanger is simple in structure, convenient and fast to manufacture and capable of easily taking materials, operation is convenient during installation, installation quality can be guaranteed, and installation progress can be improved. Especially, the lifting appliance has small occupied area, can realize the lifting and hoisting of the goods shelf through a forklift in a warehouse, solves the problem that the truck crane is difficult to hoist due to the overhigh elevation of the goods shelf, can avoid the damage of the truck crane to a finished floor and other components, and simultaneously can greatly reduce the cost of hoisting measures and improve the installation quality and the progress of the goods shelf.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a lifting appliance for lifting a goods shelf according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a state of use of a lifting appliance for lifting a goods shelf provided by an embodiment of the present invention

Fig. 3 is a schematic structural diagram of a spreader body according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a spreader body according to an embodiment of the present invention;

fig. 5 is another schematic structural diagram of a lifting appliance for lifting a goods shelf provided by an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, 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 accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 3, a preferred structure of a lifting appliance for lifting a goods shelf according to an embodiment of the present invention is shown. As shown, the spreader includes: the lifting appliance comprises a lifting appliance body 1, a lifting ring 2, a lifting lug 3 and a fixing piece 4; wherein the content of the first and second substances,

the two clamping plates 11 of the hanger body 1 are arranged side by side at intervals, and the tops (relative to the position shown in fig. 1) of the two clamping plates 11 are connected through the connecting plate 12 of the hanger body 1 to form an inverted U-shaped structure for hanging the goods shelf 5. Specifically, the left and right sides of the connecting plate 12 are respectively connected with the two clamping plates 11, and the connecting plate 12 and the clamping plates 11 are vertically arranged to form a nearly inverted U-shaped structure. Wherein, the connecting plate 12 and the clamping plate 11 can be both flat plate structures, so as to realize the hanging of the goods shelf 5. In order to improve the strength of the hanger body 1, the connecting plate 12 and the clamping plate 11 are preferably steel plates. Preferably, the two interposed plates 11 are respectively disposed on both sides of the connecting plate 12 in the width direction of the connecting plate 12.

The hanger body 1 is provided with a fixing part 4 for locking the two clamping plates 11 so that a closed structure 6 is enclosed between the hanger body 1 and the fixing part 4, and the upright 51 of the shelf 5 is clamped in the closed structure 6. Specifically, mounting 4 can be the bolt and nut structure, has seted up mounting hole 111 on two clamp plates 11, and the bolt is worn to locate in mounting hole 111 to with nut looks spiro union, so that two clamp plates 11, connecting plate 12 and mounting 4 between form enclosed construction 6 quadrangle promptly, the part of goods shelves 5 sets up in enclosed construction 6, and the part sets up outside enclosed construction 6, so that realize hanging goods shelves 5, and then realize the promotion to goods shelves 5 through the promotion to hoist body 1. The goods shelf 5 in this embodiment may include two upright posts 51 arranged side by side, and the two upright posts 51 are connected through a plurality of angle steel 52, so that the goods shelf 5 forms a plurality of triangular structures to be hung on the spreader body 1, that is, in this embodiment, one upright post 51 passes through the inside of the closed structure 6, and the other upright post is arranged outside the closed structure 6, so that a ring buckle type structure is formed between the closed structure 6 and the goods shelf 5, and the hanging of the goods shelf 5 is realized. In the drawings, the column 51 is illustrated as a column structure, but the column 51 may be formed of a U-shaped steel or the like. To improve the stability of the hanging rack 5, it is preferable that the fixing members 4 are two, that is, the mounting holes 111 are also two, to improve the hanging stability between the hanger body 1 and the rack 5.

The hanging ring 2 is arranged on the connecting plate 12 and above the connecting plate 12, and is used for connecting a hanging strip (not shown in the figure) to hoist the goods shelf 5. Specifically, the hoist ring 2 is fixed to the connecting plate 12 by the lifting lug 3. Lifting lugs 3 are arranged on the top wall of the connecting plate 12, and the lifting lugs 3 are arranged above the connecting plate 12 so as to facilitate the hanging of the hanger body 1. The hanging ring 2 is hung on the hanging lug 3 and is used for connecting a hanging strip or a sling, and then the hanging of the goods shelf 5 hung on the hanging tool body 1 is realized through the forklift and other instruments. The hanging ring 2 may be fixed to the top wall of the connecting plate 12 by welding, or may be fixed by other connecting methods. The lifting ring 2 and the lifting lug 3 can be made by bending round steel and can also be made by bending other materials.

The hoisting process comprises the following steps: goods shelves 5 lie on subaerial during initial condition, install hoist body 1 in one side of goods shelves 5 length direction 1/3's position, be about to a stand 51 place two press from both sides between establishing the board 11, and pass through mounting 4 and two sets of bolt that press from both sides the mounting hole 111 of establishing the board 11 and the triangle-shaped structure of goods shelves 5 promptly, be used for fixed goods shelves 5, and pass rings through suspender one end, the other end is hung and is established on fork truck's front fork, in order to realize being connected between fork truck's front fork and hoist body 1, and then accomplish the hoist and mount of goods shelves 5 through slowly promoting the front fork, can artifical manual stabilization goods shelves 5's bottom simultaneously when promoting, it is up to goods shelves 5 to vertical state, thereby carry out the fixed of goods shelves.

Obviously, it can be understood that, the lifting appliance provided in the present embodiment forms a closed structure by the lifting appliance body 1 and the fixing element 4 in the inverted U-shaped structure, so as to fix and lift the goods shelf 5; the hanging of the lifting appliance body 1 is achieved through the lifting ring 2 arranged on the connecting plate 12, so that the lifting appliance body 1 and the goods shelf 5 can be lifted through the forklift, materials can be easily drawn conveniently and rapidly by the aid of the simple lifting appliance structure, and the lifting appliance is convenient to operate during installation, installation quality can be guaranteed, and installation progress can be improved. Especially, the lifting appliance has small occupied area, can realize the lifting and hoisting of the goods shelf 5 through a forklift in a warehouse, solves the problem that the truck crane is difficult to hoist due to the overhigh elevation of the goods shelf, can avoid the damage of the truck crane to a finished floor and other components, and simultaneously can greatly reduce the cost of hoisting measures and improve the installation quality and the progress of the goods shelf 5.

Referring to fig. 4 to 5, there is shown still another preferred structure of the spreader body provided in the present embodiment. As shown in the figure, in order to adapt to the width of the shelf 5, at least one of the two clamping plates 11 is preferably slidably connected with the connecting plate 12 along the arrangement direction of the two clamping plates 11 (such as the width direction of the connecting plate 12 shown in fig. 4) for adjusting the distance between the two clamping plates 11 to adapt to the size of the part of the sling 5 suspended in the closed structure 6, so that the distance between the two clamping plates 11 can be adjusted according to the relevant size of the shelf 5. Specifically, both the two interposed plates 11 may be slidably connected to the connecting plate 12 along the width direction of the connecting plate 12, or only one of the interposed plates 11, for example, the left interposed plate 11 and the connecting plate 12 may be slidably connected along the width direction of the connecting plate 12, in this embodiment, the left interposed plate 11 is slidably connected to the connecting plate 12, or the right interposed plate 11 may be slidable, which is not limited in this embodiment. To quantitatively measure the distance between the two clamping plates 11, the connecting plate 12 is preferably provided with a scale.

In the present embodiment, one of the intermediate plates 11 is described as being movable relative to the connecting plate 12, and the two intermediate plates 11 are referred to as a first intermediate plate 1110 and a second intermediate plate 1120, respectively.

In the first embodiment of the present embodiment, with continued reference to fig. 4 to 5, the interposed plate 11 slidably connected to the connecting plate 12 is provided with a slide plate 13 disposed above or below the connecting plate 12. For example, the first clamping plate 1110 is movable relative to the connecting plate 12, and the sliding plate 13 is provided on the first clamping plate 1110 and is perpendicular to the first clamping plate 1110, so that the sliding plate 13 and the connecting plate 12 are arranged in parallel, and the sliding plate 13 and the connecting plate 12 are stacked vertically, and the sliding plate 13 is slidable relative to the connecting plate 12 in the width direction thereof. The sliding plate 13 and the first clamping plate 1110 may be an integral structure or may be fixed by welding, and this embodiment is not limited thereto.

The slide plate 13 is provided with a positioning hole (not shown) in which a lock member 14 is inserted. The connecting plate 12 is provided with a sliding slot 121 corresponding to the positioning hole, and the locking member 14 is slidably connected to the sliding slot 121 to lock the connecting plate 12 and the sliding plate 13 when the clamping plates 11 move to a predetermined distance between the two clamping plates 11. Specifically, the sliding groove 121 is disposed along the width direction of the connecting plate 12, so that the first clamping plate 1110 can move left and right (relative to the position shown in fig. 4) relative to the connecting plate 12, thereby adjusting the distance between the first clamping plate 1110 and the second clamping plate 1120. The locking member 14 may be a bolt and nut assembly, which sequentially passes through the sliding groove 121 and the positioning hole from top to bottom, and the bolt may move left and right along the length direction of the sliding groove 121 to drive the sliding plate 13 and the first clamping plate 1110 to move left and right until the distance between the first clamping plate 1110 and the second clamping plate 1120 is a preset distance, and the sliding plate 13 and the connecting plate 12 may be locked by tightening the bolt and the nut to prevent the sliding plate 13 from moving. The preset distance may be determined according to actual conditions, for example, the relevant size of the shelf 5, such as the diameter of the upright, and is not limited in this embodiment. The sliding groove 121 is a waist-shaped through hole arranged along the thickness direction of the connecting plate 12, and the positioning hole can be a circle center through hole arranged along the thickness direction of the sliding plate 13 or a waist-shaped through hole, so as to further enlarge the adjustable distance between the two clamping plates 11. To ensure the stability of the sliding plate 13, it is preferable that the positioning holes, the slide grooves 121 and the locking members 14 are two and arranged side by side along the length direction of the connecting plate 12 to avoid the inclination of the sliding plate 13 and the like.

Of course, the sliding slot may be clamped on the sliding plate 13, and the positioning hole may be formed on the connecting plate 12, and the two forms may be similar to each other and are not further described in detail in this embodiment.

In the present embodiment, the first interposed plate 1110 is described as being movable, but it is needless to say that the second interposed plate 1120 is moved in a manner similar to the first interposed plate 1110, or the first interposed plate 1110 and the second interposed plate 1120 can be moved with respect to the connecting plate 12 in the present embodiment.

In the second embodiment of the present embodiment, with continued reference to fig. 5, one of the clamping plates 11 is provided with a screw 112 having a through threaded hole 1121, the other clamping plate 11 is fixed on the connecting plate 12, and the connecting plate 12 is provided with a threaded rod 7. The screw is in threaded connection with the threaded hole and used for converting the rotation of the screw into the movement of the threaded piece so as to drive the clamping plate provided with the threaded piece to move.

For example, the screw 112 is fixedly connected to the top end of the second clamping plate 1120, the screw 112 is provided with a through threaded hole 1121, and the first clamping plate 1110 is fixedly connected to the bottom wall of the left end of the connecting plate 12, and the two plates can be connected by welding. A screw 7 is disposed on the connecting plate 12 along the width direction thereof, and the screw 7 is connected to a power mechanism (not shown) for driving the screw 7 to rotate. The power mechanism may be a motor, and may be fixed to the left end of the first clamping plate 1110 or the left end of the connecting plate 12 through a fixing bracket, so that an output end of the motor is connected to the left end of the screw 7, a right end of the screw 7 penetrates through the connecting plate 12 to reach the outside of the connecting plate 12, and a section (a right section as shown in fig. 5) of the screw 7, which is located at a position far away from the first clamping plate 1110, of the connecting plate 12 is screwed with the screw 112, so that a ball screw structure is formed between the screw 112 and the screw 7, thereby converting the rotation of the screw 7 into the movement of the second clamping plate 1120. To avoid the separation between the second clamping plate 1120 and the screw 7, it is preferable that an end (a right end as shown in fig. 5) of the screw 7 far from the screw 112 is provided with a limiting block 71 for limiting the screw 112. The screw 112 may be a nut, and the outer wall thereof is fixed to the top end of the second clamping plate 1120. The screw 7 and the limiting block 71 may be integrally formed as a bolt to limit the second clamping plate 1120 by a head of the bolt. To ensure the stability of the movement of the second clamping plate 1120, preferably, the screw 112, the screw 7, and the like are two and arranged side by side along the length direction of the connecting plate 12 to avoid the inclination and the like of the second clamping plate 1120.

The working principle is as follows: the motor is electrified to control the screw 7 to rotate, so as to drive the screw 112 to move on the screw 7, thereby controlling the distance between the first clamping plate 1110 and the second clamping plate 1120, so as to adapt to the size of the shelf 5, and also clamping the shelf 5, and hanging the shelf 5 through the fixing piece 4.

In this embodiment, the second clamping plate 1120 is described as being movable, but it is needless to say that the first clamping plate 1110 may be moved in a manner similar to that of the second clamping plate 1120.

In the above embodiment, to facilitate the hanging and clamping of the shelf 5, at least one of the two clamping plates 11 is preferably rotatably connected to the connecting plate 12 for adjusting the included angle between the two clamping plates 11. Specifically, the first clamping plate 1110 and/or the second clamping plate 1120 may be rotatably connected to the connecting plate 12, so as to adjust an included angle between the first clamping plate 1110 and the second clamping plate 1120, thereby facilitating the placement of the shelf 5 in the inverted U-shaped structure or adjusting a clamping degree of the shelf 5.

In order to avoid that the two clamping plates cannot be reset due to an excessively large adjustment angle, it is preferable that a reset member (not shown in the figure) is disposed between the two clamping plates 11 or between the two clamping plates 11 and the connecting plate 12, so as to pull the clamping plates 11 to reset after the shelf 5 is partially clamped in the enclosed structure 6, so that the two clamping plates 11 are disposed side by side or the bottom ends of the two clamping plates 11 are disposed toward a position between the two clamping plates 11. Further preferably, the restoring member is a tension spring, one end of which is connected to one of the clamping plates 11, and the other end of which is connected to the sliding plate 13 provided on the clamping plate 11 or the other clamping plate 11.

For example, in the first embodiment, the first clamping plate 1110 and the sliding plate 13 may be connected by a pin or other rotation pair to adjust the angle therebetween. One end of the restoring member is disposed on the first clamping plate 1110, and the other end is disposed on the sliding plate 13 or the second clamping plate 1120.

In summary, the lifting appliance provided by the embodiment forms the closed structure 6 by the lifting appliance body 1 and the fixing member 4 in the inverted U-shaped structure, so as to fix and lift the goods shelf 5; the hanging of the lifting appliance body 1 is achieved through the lifting ring 2 arranged on the connecting plate 12, so that the lifting appliance body 1 and the goods shelf 5 can be lifted through the forklift, materials can be easily drawn conveniently and rapidly by the aid of the simple lifting appliance structure, and the lifting appliance is convenient to operate during installation, installation quality can be guaranteed, and installation progress can be improved. Especially, the lifting appliance has small occupied area, can realize the lifting and hoisting of the goods shelf 5 through a forklift in a warehouse, solves the problem that the truck crane is difficult to hoist due to the overhigh elevation of the goods shelf, can avoid the damage of the truck crane to a finished floor and other components, and simultaneously can greatly reduce the cost of hoisting measures and improve the installation quality and the progress of the goods shelf 5.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A hoist for hoisting a rack, comprising: the lifting appliance comprises a lifting appliance body (1) and a lifting ring (2); wherein the content of the first and second substances,

the two clamping plates (11) of the lifting appliance body (1) are arranged side by side at intervals, and the tops of the two clamping plates (11) are connected through a connecting plate (12) of the lifting appliance body (1) to form an inverted U-shaped structure for hanging a goods shelf (5);

the lifting appliance is characterized in that a fixing piece (4) is arranged on the lifting appliance body (1) and used for locking the two clamping plates (11) so that a closed structure (6) is enclosed between the lifting appliance body (1) and the fixing piece (4) and an upright post (51) of the goods shelf (5) is hung in the closed structure (6);

the lifting ring (2) is arranged on the connecting plate (12) and is positioned above the connecting plate (12) and used for connecting a lifting belt to hoist the goods shelf (5).

2. A spreader for lifting racks as claimed in claim 1,

at least one of the two clamping plates (11) is connected with the connecting plate (12) in a sliding mode along the arrangement direction of the two clamping plates (11) so as to adjust the distance between the two clamping plates (11).

3. A spreader for lifting racks as claimed in claim 2,

one of the clamping plates (11) is provided with a screw connector (112) which is provided with a through threaded hole (1121), the other clamping plate (11) is fixed on the connecting plate (12), and the connecting plate (12) is provided with a screw rod (7) in a penetrating way;

the screw (7) is in threaded connection with the threaded hole (1121) and used for converting the rotation of the screw (7) into the movement of a threaded piece (112) so as to drive the clamping plate (11) provided with the threaded piece (112) to move.

4. A spreader for lifting racks as claimed in claim 3,

the end part, far away from the screw connector (112), of the screw rod (7) is provided with a limiting block (71) for limiting the screw connector (112).

5. A spreader for lifting racks as claimed in claim 3,

the screw rod (7) is connected with a power mechanism and used for driving the screw rod (7) to rotate.

6. A spreader for lifting racks as claimed in claim 2,

a sliding plate (13) is arranged on a clamping plate (11) which is connected with the connecting plate (12) in a sliding way and is arranged above or below the connecting plate (12);

the sliding plate (13) is provided with a positioning hole, and a locking piece (14) is inserted in the positioning hole;

the connecting plate (12) is provided with a sliding groove (121) corresponding to the positioning hole, and the locking piece (14) is connected with the sliding groove (121) in a sliding manner and used for locking the connecting plate (12) and the sliding plate (13) when the clamping plates (11) move to a preset distance between the two clamping plates (11).

7. A spreader for lifting racks as claimed in any one of claims 1 to 6,

at least one of the two clamping plates (11) is rotatably connected with the connecting plate (12) to adjust an included angle between the two clamping plates (11).

8. A spreader for lifting racks as claimed in claim 7,

a reset piece is arranged between the two clamping plates (11) or between the clamping plates (11) and the connecting plate (12) and used for pulling the clamping plates (11) to reset after the part of the goods shelf (5) is clamped in the closed structure (6).

9. A spreader for lifting racks as claimed in claim 8,

the reset piece is a tension spring, one end of the reset piece is connected to one of the clamping plates (11), and the other end of the reset piece is connected to a sliding plate (13) arranged on the clamping plate (11) or the other clamping plate (11).

10. A spreader for lifting racks as claimed in any one of claims 1 to 6,

the connecting plate (12) is provided with a lifting lug (3) positioned above the connecting plate (12) and used for connecting the lifting ring (2).

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