CN212863773U

CN212863773U - Locking device of electroslag furnace material rod

Info

Publication number: CN212863773U
Application number: CN202021046533.0U
Authority: CN
Inventors: 唐孝国; 余念; 蔡辉君
Original assignee: Shanghai Fifth Steel Equipment Engineering Co ltd; MCC Baosteel Technology Services Co Ltd
Current assignee: Shanghai Fifth Steel Equipment Engineering Co ltd; MCC Baosteel Technology Services Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-04-02
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to a locking device of electroslag furnace material pole for install the tip at the material pole, the material pole includes outer pole and interior pole, be equipped with the screw hole on the outer pole terminal surface, locking device includes screw rod, cardboard and lock nut, be equipped with the connecting hole on the cardboard, the screw rod is twisted and is connect in the screw hole of outer pole terminal surface, the cardboard passes through the connecting hole and cup joints on the screw rod, lock nut twists and connects on the screw rod, and support and lean on the outer terminal surface of cardboard, the interior terminal surface and the interior pole of cardboard offset, still be equipped with the limit structure who meets with interior pole on the cardboard, limit structure radially rocks in being used for restricting. The utility model relates to a locking device, simple structure, simple to operate can have the interior pole of expecting the pole and outer pole locking, makes things convenient for the handling with efficiency, has guaranteed the security when material pole dismouting is overhauld, has improved the operating efficiency.

Description

Locking device of electroslag furnace material rod

Technical Field

The utility model relates to a smelting equipment overhauls the field, concretely relates to locking device of electroslag furnace material pole.

Background

In the traditional electroslag furnace material rod hoisting process, a crane mainly binds an inner rod and an outer rod of a material rod together by utilizing a sling winding method, and the material rod is integrally hoisted out after being locked by the upward hoisting force of a crane. Referring to fig. 3, because the material rod 1 is divided into an inner rod 12 and an outer rod 11, the inner rod 12 often shakes in the lifting process, even the material rod 1 inside can slide out due to improper operation, and the safety can not be ensured.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the to-be-solved technical problem of the utility model lies in providing a locking device of electroslag furnace material pole, simple structure can effectively lock the interior pole of material pole and outer pole, makes things convenient for the handling.

For realize above-mentioned purpose, the utility model provides a locking device of electroslag furnace material pole for install the tip at the material pole, the material pole includes outer pole and interior pole, be equipped with the screw hole on the outer pole terminal surface, locking device includes screw rod, cardboard and lock nut, be equipped with the connecting hole on the cardboard, the screw rod is twisted and is connect in the screw hole of outer pole terminal surface, the cardboard passes through the connecting hole and cup joints on the screw rod, lock nut twists and connects on the screw rod, and support and lean on the outer terminal surface of cardboard, the interior terminal surface and the interior pole of cardboard offset, still be equipped with the limit structure who meets with interior pole on the cardboard, the limit structure radially rocks in being used for restricting.

Furthermore, the inner rod is provided with a flange plate at a position close to the end part, the limiting structure comprises a limiting hole formed in the clamping plate, the inner end face of the clamping plate is abutted against the flange plate, and the end part of the inner rod is located in the limiting hole.

Furthermore, the screw rods are multiple, and the clamping plate is provided with a plurality of connecting holes.

Furthermore, the number of the screw rods is two, and the screw rods are respectively screwed in two threaded holes symmetrically arranged on the end surface of the outer rod.

As described above, the utility model relates to a locking device has following beneficial effect:

through setting up screw rod, cardboard and lock nut, utilize outer pole tip self screw hole to screw up good screw rod, utilize lock nut to lock good cardboard, utilize the cardboard to restrict interior pole landing and come out to utilize limit structure on the cardboard to restrict radially rocking of pole in living, can not rock or the roll-off in the outward appearance in order to this to ensure interior pole, then hoist. The utility model relates to a locking device, simple structure, simple to operate can have the interior pole of expecting the pole and outer pole locking, makes things convenient for the handling with efficiency, has guaranteed the security when material pole dismouting is overhauld, has improved the operating efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the locking device of the present invention.

Fig. 2 is a schematic structural view of the clamping plate of the present invention.

Fig. 3 is an installation schematic diagram of the locking device of the utility model on the material rod.

Description of the element reference numerals

1 Material pole

11 outer rod

12 inner rod

13 flange

2 screw rod

3 card

31 connecting hole

32 limiting hole

4 locking nut

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.

Referring to fig. 1 to 3, the utility model provides a locking device of electroslag furnace material pole for install at the end of material pole 1, material pole 1 includes outer pole 11 and interior pole 12, and interior pole 12 is located among outer pole 11, is equipped with the screw hole that is used for mounting flange on the 11 terminal surfaces of outer pole. The utility model discloses a locking device includes screw rod 2, cardboard 3, and lock nut 4, be equipped with connecting hole 31 on cardboard 3, screw rod 2 twists and connects in the screw hole of 11 terminal surfaces on outer pole, cardboard 3 cup joints on screw rod 2 through connecting hole 31, lock nut 4 twists and connects on screw rod 2, and support and lean on the terminal surface outside cardboard 3, the interior terminal surface of cardboard 3 offsets with interior pole 12, still be equipped with the limit structure who meets with interior pole 12 on

cardboard

3, 12 radially rocks in limit structure is used for restricting.

Referring to fig. 3, before hoisting, install locking device at the tip of material pole 1, especially tip down, utilize outer pole 11 tip self screw hole to screw up screw rod 2, then install cardboard 3, make its interior terminal surface support interior pole 12, utilize lock nut 4 to lock, thereby the pole 12 landing comes out in the restriction, and utilize limit structure to restrict radially rocking of pole 12 in, with this guarantee that interior pole 12 can not rock or the roll-off in the outward appearance, then hoist, it can to the transportation of falling to material pole 1 to utilize the driving. The utility model relates to a locking device, simple structure, simple to operate can have effectively with interior pole 12 and the locking of outer pole 11 of material pole 1, makes things convenient for the handling, has guaranteed the security when the dismouting of material pole 1 is overhauld.

Fig. 1 to fig. 3 show the utility model discloses a locking device's a concrete embodiment, in this embodiment, to current material pole 1 commonly used, its interior pole 12 has ring flange 13 being close to tip department, interior pole 12 is the step shaft pole, the tip is solid, at this moment, limit structure is including seting up spacing hole 32 on cardboard 3, the interior terminal surface of cardboard 3 supports and leans on ring flange 13, interior pole 12 tip is arranged in spacing hole 32, through the clearance fit between spacing hole 32 and interior pole 12 tip, utilize the radial of pole 12 to rock in spacing hole 32 effective restriction. Of course, in other embodiments, other types of limiting structures may be provided according to the specific form and size of the inner rod 12, and the function of limiting the radial shaking of the inner rod 12 may be implemented, for example, several limiting blocks may be provided on the inner end surface of the clamping plate 3, and the end portion of the inner rod 12 is clamped between the limiting blocks.

Referring to fig. 2 and 3, in this embodiment, the number of the screws 2 is multiple, the clamping plate 3 is provided with a plurality of connecting holes 31, and the positions of the connecting holes 31 correspond to the positions of the threaded holes, so that the clamping plate 3 can be more stably installed.

The locking device in this embodiment is used as follows: after a flange at the end part of the outer rod 11 of the material rod 1 is removed, the two screws 2 are screwed into the threaded holes on the end surface of the outer rod 11, then the clamping plate 3 is sleeved on the two screws 2, the end part of the inner rod 12 extends into the limiting hole 32 of the clamping plate 3, the end surface in the clamping plate 3 abuts against the flange plate 13 of the inner rod 12, and then the locking nut 4 is screwed down to carry out lifting and replacing on the material rod 1.

According to the above, the utility model discloses a locking device, simple structure, simple to operate can have effectively with interior pole 12 and the outer pole 11 locking of material pole 1, makes things convenient for the handling, reduces latent potential safety hazard, can effectively avoid material pole 1 to slide because of the accident and cause the equipment damage, and material pole 1 that has relatively current overhauls the dismouting operation, has improved the operating efficiency, has shortened repair time, has ensured maintenance quality and has overhauld the security.

To sum up, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a locking device of electroslag furnace material pole for install the tip at material pole (1), material pole (1) is including outer pole (11) and interior pole (12), be equipped with screw hole, its characterized in that on outer pole (11) terminal surface: locking device includes screw rod (2), cardboard (3) and lock nut (4), be equipped with connecting hole (31) on cardboard (3), screw rod (2) are twisted and are connect in the screw hole of outer pole (11) terminal surface, cardboard (3) cup joint on screw rod (2) through connecting hole (31), lock nut (4) are twisted and are connect on screw rod (2), and support and lean on by outside terminal surface of cardboard (3), the interior terminal surface and interior pole (12) of cardboard (3) offset, still be equipped with the limit structure who meets with interior pole (12) on cardboard (3), limit structure is used for restricting interior pole (12) and radially rocks.

2. The locking device of claim 1, wherein: the inner rod (12) is provided with a flange (13) at a position close to the end part, the limiting structure comprises a limiting hole (32) formed in the clamping plate (3), the inner end face of the clamping plate (3) is abutted against the flange (13), and the end part of the inner rod (12) is located in the limiting hole (32).

3. The locking device of claim 1, wherein: the screw rods (2) are multiple, and the clamping plate (3) is provided with a plurality of connecting holes (31).

4. A locking device according to claim 3, characterized in that: the two screw rods (2) are respectively screwed in two symmetrically arranged threaded holes in the end face of the outer rod (11).