CN214141231U

CN214141231U - Hoisting assembly for ladle cover

Info

Publication number: CN214141231U
Application number: CN202022947201.6U
Authority: CN
Inventors: 刘华平; 唐俊; 徐瑜; 包国斌; 冉顶立; 周鸿雨
Original assignee: Sichuan Desheng Group Vanadium Titanium Co Ltd
Current assignee: Sichuan Desheng Group Vanadium Titanium Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-09-07
Anticipated expiration: 2030-12-10

Abstract

The utility model belongs to the technical field of steelmaking equipment and discloses a hoisting assembly for a ladle cover, which comprises two hanging parts arranged on the ladle cover and a hoisting mechanism; the two hanging parts are oppositely arranged and positioned in the middle of the ladle cover, and the connecting area of any connecting piece is of an inverted arch structure; the lifting mechanism comprises an intermediate body and a hook body; the intermediate body is connected with external lifting equipment; one end of the hook body is provided with two hooks which are arranged in opposite directions and are connected with each other; one end of the hook body, which is far away from the hook, extends into the intermediate body and is rotationally connected with the intermediate body, and a connecting body is arranged at the end, which is far away from the hook body, of the connecting body, and the end, which penetrates through the intermediate body, of the connecting body is connected with external rotating equipment; the external rotating equipment is connected with the middle body through a support rod. The utility model discloses can avoid the ladle cover to take place relative slip in the transportation to when utilizing the coupler body to articulate the ladle cover, easy and simple to handle does not need excessive accurate operation.

Description

Hoisting assembly for ladle cover

Technical Field

The utility model belongs to the technical field of steelmaking equipment, especially, relate to a lift by crane subassembly for ladle cover.

Background

In the production of continuously cast steel, molten steel is generally supplied to a tundish through a ladle. In this process, in order to delay the cooling of the molten steel in the ladle, the ladle is generally covered.

At present, most of production enterprises realize the traction of the ladle cover by using the steel rope and the hook body, and although the ladle cover can be well transferred, the steel rope can shake due to movement in the transferring process, so that the stability of the ladle cover cannot be ensured constantly in the transferring process, and the ladle cover slides relative to the hook body, and certain potential safety hazards are generated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses a lift by crane subassembly for ladle cover can avoid ladle cover to take place relative slip in the transportation to when utilizing the coupler body to articulate ladle cover, easy and simple to handle does not need excessive accurate operation. The utility model discloses a concrete technical scheme as follows:

a hoist assembly for a ladle cover comprising:

the two hanging parts are arranged on the ladle cover, the two hanging parts are oppositely arranged and are positioned in the middle of the ladle cover, and the connecting area of any connecting piece is of an inverted arch structure; and

a lifting mechanism, the lifting mechanism comprising:

an intermediate body connected to an external lifting device; and

the hook comprises a hook body, wherein one end of the hook body is provided with two hooks which are arranged in opposite directions and are connected with each other;

one end of the hook body, which is far away from the hook, extends into the intermediate body and is rotationally connected with the intermediate body, a connecting body is arranged at the end, which is far away from the hook body, of the connecting body, and one end, which penetrates through the intermediate body and is connected with external rotating equipment; the external rotating equipment is connected with the middle body through a support rod.

The utility model obtains a more stable connection mode than only one hanging part is arranged through the two hanging parts, and avoids the relative sliding of the ladle cover in the transferring process by utilizing the inverted arch structure of the connecting piece; on the principle, the hook body arranged in the utility model is rotationally connected with the intermediate body, and the direction can be adjusted before the hook is hooked into the hanging part, so that the hook is well connected with the hanging part, the cover of the steel ladle can be removed by the hoisting mechanism, and the upper cover of the steel ladle can also be carried out by utilizing the component; the arrangement of the supporting rod maintains the stability of the external rotating equipment during action.

Preferably, the intermediate body is rotatably connected with the hook body through a ball.

The arrangement of the ball can provide a good sliding state for the hook body, and a large friction force between the intermediate body and the hook body is avoided; in addition, the balls are uniformly and circumferentially arranged, and when the hoisting mechanism lifts and pulls the ladle cover, the hook body can be supported.

Preferably, the connecting body is rotatably connected with the intermediate body through a bearing.

The bearing can support and can reduce the friction coefficient in the rotary motion process and guarantee the gyration precision, so the rotation requirement of the hook body can be better met by arranging the bearing between the connecting body and the intermediate body.

Preferably, the length of any one of the hanging parts is larger than that of the hook.

Before the couple hook goes into the hitching part, need place the couple with between two hitching parts, then utilize outside rotating equipment adjustment couple position, consequently, when the length of arbitrary one hitching part is greater than the length of couple, can satisfy two couples of equal fine difference hook income corresponding hitching part.

Preferably, the vertical distance between the two hanging parts is smaller than the vertical distance between the two hooks and the end away from each other.

When external rotating equipment drives the hook body to rotate, the hook body is perpendicular to the hanging parts on the projection plane, at the moment, only two hanging parts are needed to be simultaneously positioned in a corresponding hook, and after external lifting equipment acts, a certain hanging stability can be achieved through the gravity action of the ladle cover.

Preferably, any one of the hooks is of an arc-shaped structure.

The arc-shaped hook can well enable the protruding parts of the two parts to be connected with each other, so that compared with connecting structures in other shapes, the stability is higher, and the abrasion between the two parts is reduced while the ladle cover is prevented from sliding relatively in the length direction of the hook.

Compared with the prior art, the utility model can well realize the transfer of the ladle cover, and the ladle cover can be prevented from sliding relative to the hoisting mechanism no matter the upper cover or the cover is removed, so as to avoid the gravity center shift caused by the gravity change, thereby reducing the potential safety hazard; the utility model discloses a rotation relation between midbody and the coupler body, the position adjustment of realization coupler body that can be fine to make couple and the fine of portion of linking to each other depend on, in order to satisfy the requirement of lifting by crane.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the connection between the intermediate body and the hook body in the embodiment of the present invention;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a schematic view of the embodiment of the present invention showing the hook body in a lowered state;

fig. 6 is a schematic view of the hook body in the embodiment of the present invention after rotating;

FIG. 7 is a schematic view of the connection between the hook and the hanging part in the embodiment of the present invention;

fig. 8 is a schematic view of another hook according to an embodiment of the present invention.

In the figure: 1-covering the ladle; 2-hanging part; 3-an intermediate; 4-hook body; 5-external lifting equipment; 6-hooking; 7-a linker; 8-external rotating equipment; 9-a strut; 10-a ball.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.

As shown in fig. 1 to 7, a hoisting assembly for a ladle cover 1 includes two hanging parts 2 provided to the ladle cover 1, and a hoisting mechanism; the two hanging parts 2 are oppositely arranged and positioned in the middle of the ladle cover 1, and the connecting area of any connecting piece is of an inverted arch structure; the hoisting mechanism comprises an intermediate body 3 and a hook body 4; the intermediate body 3 is connected with an external lifting device 5; one end of the hook body 4 is provided with two hooks 6 which are arranged in opposite directions and are connected with each other; one end of the hook body 4, far away from the hook 6, extends into the intermediate body 3 and is rotatably connected with the intermediate body 3, a connecting body 7 is arranged at the end, far away from the hook body 4, of the connecting body 7, and the end, far away from the hook body 4, of the connecting body penetrates through the intermediate body 3 and is connected with external rotating equipment 8; the connecting body 7 is rotationally connected with the intermediate body 3 through a bearing; the external rotating device 8 is connected to the intermediate body 3 by means of a strut 9.

In this embodiment, actually, both the external lifting device 5 and the external rotating device 8 have a traveling crane driving the external lifting device to displace, and the traveling cranes can be configured for different devices separately; therefore, when the cover of the steel ladle needs to be removed, the hook body 4 is moved to a proper position, then the external lifting equipment 5 works, and the hook body 4 is lowered between the two hanging parts 2; then starting the external rotating equipment 8, rotating the external rotating equipment 90 degrees anticlockwise or clockwise, wherein the part between the two ends of any one hook 6 is positioned below the corresponding hanging part 2, starting the external lifting equipment 5 again, and lifting the ladle cover 1; when the ladle cover 1 is lifted to a certain height, the ladle cover 1 is driven by the traveling crane, so that the ladle cover 1 is moved to a position where the ladle cover needs to be placed. Similarly, when the ladle cover 1 needs to be covered, the process can be carried out according to the same principle; the difference is that after the ladle cover 1 is placed on the ladle, the external lifting equipment 5 needs to be started to enable the hook 6 to descend for a certain distance so as to enable the hook 6 to be separated from the corresponding hanging part 2; the external rotating device 8 is then activated again, after which the hook 6 is rotated 90 ° clockwise or counter-clockwise, and the hook 6 is lifted out from between the two hitching sections 2 by means of an external lifting device.

It should be noted that, in the present embodiment, the external lifting device 5 is a lifting cylinder, and the external rotating device 8 is a rotating stepping motor, but is not limited thereto as long as the specific functional effects of the lifting cylinder and the rotating stepping motor can be achieved. In this embodiment, the rotary stepping motor is disposed below the lift cylinder so that the mutual action between the lift cylinder and the rotary stepping motor is not affected.

For better use of this embodiment, the intermediate body 3 is rotatably connected to the hook body 4 by means of a ball 10.

In this embodiment, the end of the hook body 4 remote from the hook 6 has a T-shaped cross section, and the intermediate body 3 is provided with a receiving space for receiving the T-shaped cross section, so that the ball 10 is disposed in the receiving space, at the lower side of the end of the hook body 4 remote from the hook 6, and contacts the hook body 4 and the intermediate body 3; when the external rotating device 8 acts, the ball 10 can give smaller friction force to the two under the condition of keeping the supporting force, so that the relative rotation of the hook body 4 is better completed. It should be noted that each ball 10 has a corresponding recess, and any ball 10 only rotates in its corresponding recess; in different embodiments, the recess may be provided in the intermediate body 3 or in the hook 4, and likewise, the intermediate body 3 and the hook 4 may be provided with corresponding recesses at the same time.

In order to better use the embodiment, the length of any one hanging part 2 is larger than that of the hook 6; the vertical distance between the two hanging parts 2 is smaller than the vertical distance between the two hooks 6 which are far away from one end. In the present embodiment, the distance between the two hooking portions 2 and the two hooks 6 should satisfy a principle that there is no blocking relation between any one of the hooking portions 2 and any one of the hooks 6 when the hook body 4 is rotated.

For better use of the present embodiment, any one of the hooks 6 is of an arc-shaped configuration. In the present embodiment, the bottom arcs of the two hooks 6 are located in the same arc, or may be two different arcs as shown in fig. 8; and the two hooks 6 can be integrally formed or welded.

When the hooks 6 are positioned at proper positions and connected with the hanging parts 2, the middle part of any one hook 6 is required to be in contact with the corresponding hanging part 2, and the contact part is required to be positioned at the arc bottom of the hook 6 as much as possible; of course, on the premise that excessive accuracy is not required, when the hanging part 2 is connected with the corresponding hook 6, the hanging part should be as close to the adjacent part of the two hooks 6 as possible, so that the hanging stability is ensured.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. A lifting assembly for a ladle cover, comprising:

a lifting mechanism, the lifting mechanism comprising:

an intermediate body connected to an external lifting device; and

2. The assembly of claim 1, wherein the intermediate body is rotatably coupled to the hook body by a ball.

3. The assembly of claim 1, wherein the connecting body is rotatably coupled to the intermediate body by a bearing.

4. The assembly of claim 1, wherein the length of any one of the hooking portions is greater than the length of the hook.

5. The assembly of claim 1, wherein a vertical distance between the two hooking portions is smaller than a vertical distance between the two hooks from one end to the other.

6. The assembly of claim 5, wherein any one of the hooks has an arc-shaped structure.