CN214733811U

CN214733811U - Auxiliary hoisting tool for mounting supporting roller and centering roller of rotary hearth furnace

Info

Publication number: CN214733811U
Application number: CN202023177741.7U
Authority: CN
Inventors: 王新鑫; 郭潘; 李俊峰; 陈帆; 张捷
Original assignee: China MCC20 Group Corp Ltd; Shanghai Ershiye Construction Co Ltd
Current assignee: China MCC20 Group Corp Ltd; Shanghai Ershiye Construction Co Ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-11-16
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a hoist and mount appurtenance of rotary hearth furnace bearing roller, centering roller installation, including rings, left eave tile and right eave tile, the below of rings and the upper end of the connecting plate that is located rings below be connected, the lower extreme of connecting plate remove with the upper end that is located left eave tile and right eave tile of connecting plate below and is connected, left eave tile and right eave tile all buckle down and form vertical section, vertical section lower part one side of left eave tile install the left couple that transversely stretches out, vertical section below one side of right eave tile install the right couple that transversely stretches out, right couple on install the chain, vertical section lower extreme all inwards right angle buckle and form the bending segment, the upside of bending segment all install the square slab, the utility model has the advantages of: simple structure, the availability factor is high, and reduce cost avoids the equipment that presss from both sides the swing back and forth to appear, uses safelyr.

Description

Auxiliary hoisting tool for mounting supporting roller and centering roller of rotary hearth furnace

Technical Field

The utility model relates to a construction steel bar location and installation technical field specifically are a hoist and mount appurtenance of rotary hearth furnace bearing roller, centering roller installation.

Background

In the metallurgical industry, due to the structural limitation of a plurality of devices, in the actual installation and hoisting operation process, the hoisting point of a hoisting machine is not on the vertical line of the gravity center of the device or deviates from the gravity center, the device is easy to turn over after being hoisted, meanwhile, the device is bound before being hoisted, a plurality of people are needed to cooperate to right and place after being hoisted, the operation is difficult, time and labor are wasted, and great safety risks are brought to peripheral facilities and personnel.

Taking the installation of equipment such as a carrier roller and a centering roller in a rotary hearth furnace system as an example, the upper parts of the carrier roller and the centering roller are roller-shaped, the rotation is easy to occur, the specific gravity of the weight of the equipment accounts for the tonnage of the whole equipment is large, the center of gravity of the equipment is arranged on the middle upper part of the whole structure, the upper parts of the carrier roller and the centering roller are roller-shaped, the rotation is easy to occur, and reliable hanging points are not provided. In the hoisting process, due to the characteristics of the steel wire rope, the equipment cannot be ensured to be still in a reliable binding state after being hoisted, and the equipment is easy to tip over and fall off, so that the risk of equipment damage is caused. Because the self-structure limitations of the carrier roller and the centering roller, the equipment often swings back and forth after being hoisted by the traditional method, and the worker needs to be matched with the centering and stabilizing device, so that great potential safety hazards are brought to the worker.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hoist and mount appurtenance of rotary hearth furnace bearing roller, centering roller installation can solve because the equipment swing back and forth, tumbling that takes place because the skew focus of hoisting point after traditional tying up method preparation time is long, the hoist, brings the potential safety hazard scheduling problem for peripheral facility and personnel.

In order to achieve the above object, the utility model provides a following technical scheme: a hoisting auxiliary tool for mounting a rotary hearth furnace carrier roller and a centering roller. The lifting appliance comprises a lifting ring, a left hook head and a right hook head, wherein the lower part of the lifting ring is connected with the upper end of a connecting plate below the lifting ring, the lower end of the connecting plate is movably connected with the upper ends of the left hook head and the right hook head below the connecting plate, the left hook head and the right hook head are both bent downwards to form a vertical section, a transversely extending left hook is installed on one side of the lower part of the vertical section of the left hook head, a transversely extending right hook is installed on one side of the lower part of the vertical section of the right hook head, a chain is installed on the right hook, the lower end of the vertical section is bent inwards at a right angle to form a bent section, a square plate is installed on the upper side of the bent section, the left hook head and the right hook head can be fixed on two sides of a carrier roller and a centering roller through the structural design of the lifting appliance, equipment is firmly fixed through the chain and the hook, the lifting appliance cannot happen, and the self limitation of the equipment structure is eliminated, the lifting point does not swing back and forth on the vertical line of the gravity center or deviates from the gravity center, thereby ensuring the safety of equipment and human body.

Preferably, a first hole is formed below the hanging ring, a second hole is formed in the upper end of the connecting plate, and the first hole and the second hole are connected through a fixing bolt, so that the hanging ring is connected with the connecting plate.

Preferably, the connecting plate below be provided with the third hole, left eave tile top be provided with the fourth hole, right eave tile top set up the fifth hole, third hole, fourth hole and fifth hole pass through fixing bolt and connect for connecting plate and left eave tile and right eave tile move and are connected.

Preferably, the upper end of the hanging ring is provided with a steel wire rope penetrating through the hanging ring, the steel wire rope is hung on a lifting hook of a crane, the crane is lifted in a matched mode, a specially-assigned person is not needed for being matched and righted in the process, and the tipping risk does not exist.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the structure is simple, the manufacture is convenient, the use is safe and reliable, and the popularization value is better;

2. the hoisting and mounting efficiency of the carrier roller and the centering roller is improved, the construction progress is accelerated, the mechanical cost is reduced, and the engineering benefit is improved;

3. the equipment is firmly fixed, side turning cannot occur, the problem that a lifting point is not on a gravity center vertical line or swings back and forth deviating from the gravity center in the lifting process due to the self limitation of the equipment structure is solved, and the safety of the equipment and the personal is ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the explosion structure of the components of the present invention;

FIG. 3 is a side view of the hook head;

fig. 4 is a schematic view of the present invention.

Detailed Description

The above objects, features and advantages of the present invention will become more apparent and the present invention will be explained in detail with reference to the following detailed description.

As shown in fig. 1-4, the utility model provides a hoist and mount appurtenance of rotary hearth furnace bearing roller, centering roller installation, including rings 1, left eave tile 4 and right eave tile 5, rings 1 below be connected with the upper end of the connecting plate 2 that is located rings 1 below, the lower extreme of connecting plate 2 move with the upper end that is located left eave tile 4 and right eave tile 5 of connecting plate 2 below and be connected, can make rings 1 and left eave tile 4 and right eave tile 5 carry out direct connection like this, can make the removal of left eave tile 4 and right eave tile 5 can not be restricted by rings 1.

Left eave tile 4 and right eave tile 5 all buckle downwards and form vertical section 11, vertical section 11 lower part one side welding of left eave tile 4 have a left side couple 6 that transversely stretches out, vertical section 11 below one side welding of right eave tile 5 have a right couple 7 that transversely stretches out, a left side couple 6 and right couple 7 symmetry setting.

The lower ends of the vertical sections 11 are bent inwards at right angles to form bending sections 12, left and right hook arms are formed, and the left and right hook arms are symmetrically arranged.

The upper side of the bending section 12 is welded with a square plate 9, and the square plate 9 can be arranged in a rib plate below the roller at the top of the carrier roller and the centering roller.

The right hook 7 is provided with a chain 8, so that the problem of back-and-forth swing of a lifting point which is not on a gravity center vertical line or deviates from the gravity center is solved.

In order to connect the hanging ring with the connecting plate, a first hole 1-1 is arranged below the hanging ring 1, a second hole 2-1 is arranged at the upper end of the connecting plate 2, and the first hole 1-1 is connected with the second hole 2-1 through a fixing bolt 3.

In order to enable the connecting plate to be movably connected with the left hook head and the right hook head, a third hole 2-2 is formed below the connecting plate 2, a fourth hole 4-1 is formed above the left hook head 4, a fifth hole 5-1 is formed above the right hook head 5, and the third hole 2-2, the fourth hole 4-1 and the fifth hole 5-1 are connected through a fixing bolt 3.

In order to hang the auxiliary tool on a lifting hook of a crane, the crane is lifted in a matching way, the upper end of the hanging ring 1 is provided with a steel wire rope 10 penetrating through the hanging ring, and a specially-assigned person is not needed to be matched and righted in the process, so that the tipping risk is avoided.

Rings 1, connecting plate 2, left eave tile 4, right eave tile 5, square plate 9 are formed by steel sheet cutting preparation, left side couple 6, right couple 7 are the reinforcing bar head and buckle and form.

Example (b):

when equipment such as a rotary hearth furnace bottom carrier roller, a centering roller and the like are installed, a crane is needed to be matched, and a hanging ring 1 of the auxiliary tool is tied and hung on a hanging hook of the crane through a steel wire rope 10;

each connecting point of the tool is in active connection, the left and right hook arms are naturally folded under the influence of gravity center under the natural stress-free state, the hook arms are opened during hoisting, and the square plates 9 on the left and right hook arms are arranged in the rib plates below the rollers at the tops of the carrier rollers and the centering rollers;

after the hook arm is installed, the whole hoisting tool and hoisting equipment are locked and locked by a chain 8 on a right hook 7 below a vertical section 11 on a right hook head 5 through a left hook 6 and the right hook 7;

the crane is lifted in a matched mode, the equipment is installed in place, special people are not needed to be matched for righting in the process, and the tipping risk does not exist.

Although the invention has been described above with reference to embodiments, the combination is not exhaustively described in this specification. The protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of or change the protection scope of the present invention within the technical scope of the present invention. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a hoist and mount appurtenance of rotary hearth furnace bearing roller, centering roller installation, its characterized in that, including rings (1), left eave tile (4) and right eave tile (5), the below of rings (1) be connected with the upper end of connecting plate (2) that are located rings (1) below, the lower extreme of connecting plate (2) with be located the left eave tile (4) of connecting plate (2) below and the upper end removal of right eave tile (5) and be connected, left eave tile (4) and right eave tile (5) all buckle downwards and form vertical section (11), vertical section (11) lower part one side of left eave tile (4) install horizontal left couple (6) that stretch out, vertical section (11) below one side of right eave tile (5) install horizontal right couple (7) that stretch out, right couple (7) on install chain (8), vertical section (11) lower extreme all inwards right angle buckle and form bending section (12), the upper sides of the bending sections (12) are provided with square plates (9).

2. The auxiliary hoisting tool for mounting the carrier roller and the centering roller of the rotary hearth furnace according to claim 1, which is characterized in that: a first hole (1-1) is formed below the lifting ring (1), a second hole (2-1) is formed in the upper end of the connecting plate (2), and the first hole (1-1) is connected with the second hole (2-1) through a fixing bolt (3).

3. The auxiliary hoisting tool for mounting the carrier roller and the centering roller of the rotary hearth furnace according to claim 2, wherein the auxiliary hoisting tool comprises: connecting plate (2) below be provided with third hole (2-2), left eave tile (4) top be provided with fourth hole (4-1), right eave tile (5) top set up fifth hole (5-1), third hole (2-2), fourth hole (4-1) and fifth hole (5-1) connect through fixing bolt (3).

4. The auxiliary hoisting tool for mounting the carrier roller and the centering roller of the rotary hearth furnace according to claim 1, which is characterized in that: the hoisting device is characterized in that a steel wire rope (10) penetrating through the hoisting ring (1) is arranged at the upper end of the hoisting ring (1), and the steel wire rope (10) is hung on a lifting hook of a crane.