CN221047619U - Magnetic attraction type welding and ignition device with adjustable size - Google Patents

Abstract

The utility model discloses a size-adjustable magnetic welding and fire-connecting device, which is provided with a fire-connecting disc, a magnetic-suction hook and a hanging rope, wherein the fire-connecting disc is adsorbed at the lower position of a welding part of a steel structure to be welded through a magnet, and the stability of the fire-connecting disc fixed on the steel structure to be welded is ensured through the hanging rope connected between the magnetic-suction hook of the steel structure to be welded and a lifting lug of the fire-connecting disc, so that welding fire and welding slag generated when the welding part of the steel structure to be welded is received by the fire-connecting disc, the influence of wind force during high-altitude welding can be avoided, the risk of falling objects caused by falling of the fire-connecting disc is avoided, and the removal after the welding construction is finished is facilitated; therefore, the welding device is not only suitable for welding operation of vertical structures such as steel structural columns and storage tank wall plates, but also suitable for welding operation of non-vertical structures such as steel structural beams and pipelines on pipe galleries, and has the advantages of low requirements on welding positions and convenience and high speed in mounting and dismounting.

Description

Magnetic attraction type welding and ignition device with adjustable size

Technical Field

The utility model relates to a welding and ignition device, in particular to a magnetic attraction type welding and ignition device with adjustable size.

Background

Welding is often required in the construction process of newly-built chemical equipment, and is usually referred to as metal welding. Is a forming method for connecting two separated objects into a whole by generating an interatomic bonding force by heating or pressurizing or a combination of both. The welding pot has the advantages that welding fire and welding slag splashing phenomenon can occur frequently during use, the welding can bring danger to operators wherever possible, and particularly, danger can be caused to lower personnel during high-altitude welding, so proper protective measures must be taken during welding, the welding fire and the welding slag splashed during general high-altitude welding are required to be received by the fire pot, the safety of a construction site is ensured, however, at present, the traditional hanging fire pot is required to be hung, the limitation is large, and the hanging fire pot cannot be suitable for welding vertical structures such as steel columns and the like.

Disclosure of utility model

The technical problems to be solved by the utility model are as follows: the utility model provides a welding device of receiving fire is inhaled to magnetism of adjustable size to solve current suspension type basin of receiving fire and can't be applicable to vertical structure welded problem such as steel column.

The technical scheme adopted by the utility model is as follows:

Size-adjustable magnetic attraction type welding and ignition device, which is characterized by comprising: the device comprises a fire receiving tray, a magnetic suction hook and a hanging rope, wherein a lifting lug positioned at the top of the front wall plate of the fire receiving tray is arranged, and a magnet positioned on the outer side surface of the rear wall plate of the fire receiving tray is arranged; the magnetic hook and the magnet are adsorbed at the lower part of the welding part of the steel structure to be welded, and the magnetic hook is positioned above the fire receiving plate; one end of the hanging rope is tied tightly on the lifting lug, and the other end of the hanging rope is tied on the magnetic attraction hook, so that the hanging rope forms a non-horizontal inclination angle.

Therefore, the utility model ensures the stability of the fire receiving plate fixed on the steel structure to be welded, so that the fire receiving plate can be used for receiving welding fire and welding slag generated when welding is carried out on the welding part of the steel structure to be welded, the fire receiving plate is not influenced by wind power during high-altitude welding, the risk of falling objects at high altitude caused by falling of the fire receiving plate is avoided, and the removal after the welding construction is finished is facilitated; therefore, the welding device is not only suitable for welding operation of vertical structures such as steel structural columns and storage tank wall plates, but also suitable for welding operation of non-vertical structures such as steel structural beams and pipelines on pipe galleries, and has the advantages of low requirements on welding positions and convenience and high speed in mounting and dismounting.

Preferably: a fireproof blanket is paved on the bottom plate of the fire receiving tray so as to enhance the fireproof effect of the fire receiving tray.

As a preferred embodiment of the present utility model: as shown in fig. 2, the fire-catching tray is composed of a main fire-catching hopper with a larger size and an auxiliary fire-catching hopper with a smaller size, the main fire-catching hopper and the auxiliary fire-catching hopper are opposite in hopper mouth, and the auxiliary fire-catching hopper is slidably sleeved in the main fire-catching hopper.

Therefore, the utility model can adjust the size of the fire-catching tray by relatively sliding the main fire-catching hopper and the auxiliary fire-catching hopper so as to adjust and obtain the fire-catching tray with proper size according to the welding fire and welding slag range generated by the welding part, and the fire-catching tray can be conveniently split into the main fire-catching hopper and the auxiliary fire-catching hopper for storage after being used, thereby being convenient for storage and transportation.

Preferably: referring to fig. 3, the main fire receiving hopper has the following structure: the main bucket bottom plate is welded between the main bucket front pipe and the main bucket rear pipe, the main bucket front wall plate is welded on the top surface of the main bucket front pipe, the main bucket rear wall plate is welded on the top surface of the main bucket rear pipe, the main bucket front pipe, the main bucket rear pipe, the main bucket front wall plate and the main bucket rear wall plate are mutually parallel, and the main bucket left wall plate is welded between the left end part of the main bucket front wall plate, the left end part of the main bucket rear wall plate and the left end part of the main bucket bottom plate; at least one of the top surface of the main bucket front square pipe and the top surface of the main bucket rear square pipe is provided with a plurality of bolt holes which are arranged at intervals along the extending direction;

Referring to fig. 4, the auxiliary fire receiving hopper has the following structure: the auxiliary hopper bottom plate is welded between the auxiliary hopper front pipe and the auxiliary hopper rear pipe, an insertion slot capable of containing the pipe wall of the main hopper front pipe to slide in is reserved between the left front edge of the auxiliary hopper bottom plate and the auxiliary hopper front pipe, an insertion slot capable of containing the pipe wall of the main hopper rear pipe to slide in is reserved between the left rear edge of the auxiliary hopper bottom plate and the auxiliary hopper rear pipe, the auxiliary hopper front wall plate is welded on the top surface of the auxiliary hopper front pipe, the auxiliary hopper rear wall plate is welded on the top surface of the auxiliary hopper rear pipe, the auxiliary hopper front pipe, the auxiliary hopper rear pipe, the auxiliary hopper front wall plate and the auxiliary hopper rear wall plate are mutually arranged in parallel, and the auxiliary hopper right wall plate is welded between the right end part of the auxiliary hopper front wall plate, the right end part of the auxiliary hopper rear wall plate and the right end part of the auxiliary hopper bottom plate; the top surface of the auxiliary bucket front square pipe is provided with bolt holes with positions and numbers corresponding to the bolt holes on the main bucket front square pipe, and the top surface of the auxiliary bucket rear square pipe is provided with bolt holes with positions and numbers corresponding to the bolt holes on the main bucket rear square pipe;

Referring to fig. 2, the auxiliary fire receiving hopper is slidably sleeved in the main fire receiving hopper, namely: the left end part of the auxiliary bucket front square pipe and the left end part of the auxiliary bucket rear square pipe are respectively inserted into the right port of the main bucket front square pipe and the right port of the main bucket rear square pipe in a sliding manner;

And locking the relative positions of the main fire receiving hopper and the auxiliary fire receiving hopper by a butterfly bolt which is simultaneously meshed with bolt holes on the front pipe of the main hopper and the rear pipe of the main hopper and/or a butterfly bolt which is simultaneously meshed with bolt holes on the front pipe of the auxiliary hopper and the rear pipe of the auxiliary hopper;

The main bucket front wall plate and the auxiliary bucket front wall plate are jointly used as the front wall plate of the fire receiving tray, the main bucket rear wall plate and the auxiliary bucket rear wall plate are jointly used as the rear wall plate of the fire receiving tray, the main bucket bottom plate and the auxiliary bucket bottom plate are jointly used as the bottom plate of the fire receiving tray, the main bucket left wall plate is used as the left wall plate of the fire receiving tray, and the auxiliary bucket right wall plate is used as the right wall plate of the fire receiving tray; the main bucket front wall plate and the auxiliary bucket front wall plate are respectively provided with the lifting lugs, and the main bucket rear wall plate and the auxiliary bucket rear wall plate are respectively provided with the magnets.

The wall plates and the bottom plates of the main fire receiving hopper and the auxiliary fire receiving hopper can be thin steel plates, square steel pipes with the preferred sizes of 50mm and 50mm are arranged at the front side pipe of the main hopper and the rear side pipe of the main hopper, and square steel pipes with the preferred sizes of 40mm and 40mm are arranged at the front side pipe of the auxiliary hopper and the rear side pipe of the auxiliary hopper.

Therefore, the main fire-catching hopper is formed by the main hopper front wall plate, the main hopper rear wall plate, the main hopper bottom plate, the main hopper front square tube, the main hopper rear square tube and the main hopper left wall plate, and the auxiliary fire-catching hopper is formed by the auxiliary hopper front wall plate, the auxiliary hopper rear wall plate, the auxiliary hopper bottom plate, the auxiliary hopper front square tube, the auxiliary hopper rear square tube and the auxiliary hopper right wall plate.

Compared with the prior art, the utility model has the following beneficial effects:

Firstly, the utility model is provided with the fire receiving plate, the magnetic suction hook and the hanging rope, the fire receiving plate is adsorbed at the lower position of the welding part of the steel structure to be welded through the magnet, and the stability of the fire receiving plate fixed on the steel structure to be welded is ensured through the hanging rope connected between the magnetic suction hook of the steel structure to be welded and the hanging lug of the fire receiving plate, so that welding fire and welding slag generated when the welding part of the steel structure to be welded is received by the fire receiving plate can be avoided, the risk of falling objects at high altitude caused by falling of the fire receiving plate is avoided, and the removal after the welding construction is finished is facilitated; therefore, the welding device is not only suitable for welding operation of vertical structures such as steel structural columns and storage tank wall plates, but also suitable for welding operation of non-vertical structures such as steel structural beams and pipelines on pipe galleries, and has the advantages of low requirements on welding positions and convenience and high speed in mounting and dismounting.

The utility model adopts the fire-catching tray composed of the main fire-catching hopper and the auxiliary fire-catching hopper, the size of the fire-catching tray can be adjusted by relatively sliding the main fire-catching hopper and the auxiliary fire-catching hopper, so that the fire-catching tray with proper size can be obtained by adjusting according to the welding fire and welding slag range generated by the welding part, and the fire-catching tray can be conveniently split into the main fire-catching hopper and the auxiliary fire-catching hopper for storage after being used, thereby being convenient for storage and transportation.

The utility model adopts the main bucket front wall plate, the main bucket rear wall plate, the main bucket bottom plate, the main bucket front square pipe, the main bucket rear square pipe and the main bucket left wall plate to form the main fire receiving bucket, adopts the auxiliary bucket front wall plate, the auxiliary bucket rear wall plate, the auxiliary bucket bottom plate, the auxiliary bucket front square pipe, the auxiliary bucket rear square pipe and the auxiliary bucket right wall plate to form the auxiliary fire receiving bucket, and has the advantages of simple and reliable structure, common sectional materials with local material, easy manufacture, easy replacement and low production cost.

Drawings

The utility model is described in further detail below with reference to the attached drawings and to specific examples:

FIG. 1 is a schematic diagram of a magnetic attraction type welding and ignition device of the present utility model;

FIG. 2 is a schematic view of the structure of the fire tray of the present utility model;

FIG. 3 is a schematic view of the main fire receiving hopper according to the present utility model;

Fig. 4 is a schematic structural view of the auxiliary fire receiving hopper in the utility model.

Detailed Description

The present utility model will be described in detail with reference to the following examples and the accompanying drawings to help those skilled in the art to better understand the inventive concept of the present utility model, but the scope of the claims of the present utility model is not limited to the following examples, and it is intended that those skilled in the art will not make any other examples of the inventive concept without departing from the scope of the inventive concept of the present utility model.

In the description of the present utility model, it should be clearly understood that the terms "front, rear, left, right" and "orientation" are merely relative terms in orientation, which are used for convenience in describing the present utility model or simplifying the description, and do not indicate or imply a specific orientation that the present utility model must have, and thus should not be construed as limiting the present utility model.

Example 1

As shown in fig. 1, the present utility model discloses a size-adjustable magnetic attraction type welding and ignition device, which is characterized by comprising: the fire-catching tray 1, the magnetic suction hook 2 and the hanging rope 3, wherein the front wall plate 1-1 of the fire-catching tray 1 is provided with a lifting lug 4 positioned at the top of the front wall plate, and the rear wall plate 1-2 of the fire-catching tray 1 is provided with a magnet 5 positioned on the outer side surface of the rear wall plate; the magnetic hook 2 and the magnet 5 are adsorbed at the lower position of a welding part 6a of the steel structure 6 to be welded, and the magnetic hook 2 is positioned above the fire receiving plate 1; one end of the hanging rope 3 is tied tightly on the lifting lug 4, and the other end of the hanging rope 3 is tied on the magnetic attraction hook 2, so that the hanging rope 3 forms a non-horizontal inclination angle.

Therefore, the utility model ensures the stability of the fire receiving plate 1 fixed on the steel structure 6 to be welded, so that the fire receiving plate 1 can be used for receiving welding fire and welding slag generated when welding is carried out on the welding part 6a of the steel structure 6 to be welded, and the fire receiving plate is not influenced by wind power during high-altitude welding, thereby avoiding the risk of falling objects at high altitude caused by falling of the fire receiving plate 1 and facilitating the removal after the welding construction is finished; therefore, the welding device is not only suitable for welding operation of vertical structures such as steel structural columns and storage tank wall plates, but also suitable for welding operation of non-vertical structures such as steel structural beams and pipelines on pipe galleries, and has the advantages of low requirements on welding positions and convenience and high speed in mounting and dismounting.

The foregoing is a basic implementation of the first embodiment, and further optimization, improvement and limitation may be performed based on the basic implementation:

Preferably: a fireproof blanket is paved on the bottom plate 1-3 of the fire receiving tray 1 so as to enhance the fireproof effect of the fire receiving tray 1.

Example two

In addition to the first embodiment, the second embodiment also adopts the following preferred embodiments:

As a preferred embodiment of the present utility model: as shown in fig. 2, the fire-catching tray 1 is composed of a main fire-catching hopper 1A with a larger size and a sub fire-catching hopper 1B with a smaller size, the mouthpieces of the main fire-catching hopper 1A and the sub fire-catching hopper 1B are opposite, and the sub fire-catching hopper 1B is slidably sleeved in the main fire-catching hopper 1A.

Therefore, the utility model can adjust the size of the fire-catching tray 1 by relatively sliding the main fire-catching hopper 1A and the auxiliary fire-catching hopper 1B so as to adjust and obtain the fire-catching tray 1 with proper size according to the welding fire and welding slag range generated by the welding part 6a, and the fire-catching tray 1 can be conveniently split into the main fire-catching hopper 1A and the auxiliary fire-catching hopper 1B for storage after use, thereby being convenient for storage and transportation.

The foregoing is a basic implementation manner of the second embodiment, and further optimization, improvement and limitation may be performed based on the basic implementation manner:

Preferably: referring to fig. 3, the main fire receiving hopper 1A has the following structure: the main bucket bottom plate 1A-3 is welded between the main bucket front square pipe 1A-4 and the main bucket rear square pipe 1A-5, the main bucket front wall plate 1A-1 is welded on the top surface of the main bucket front square pipe 1A-4, the main bucket rear wall plate 1A-2 is welded on the top surface of the main bucket rear square pipe 1A-5, the main bucket front square pipe 1A-4, the main bucket rear square pipe 1A-5, the main bucket front wall plate 1A-1 and the main bucket rear wall plate 1A-2 are arranged in parallel, and the main bucket left wall plate 1A-6 is welded between the left end part of the main bucket front wall plate 1A-1, the left end part of the main bucket rear wall plate 1A-2 and the left end part of the main bucket bottom plate 1A-3; at least one of the top surface of the main bucket front side pipe 1A-4 and the top surface of the main bucket rear side pipe 1A-5 is provided with a plurality of bolt holes arranged at intervals along the extending direction thereof;

Referring to fig. 4, the auxiliary fire receiving hopper 1B has the following structure: the auxiliary hopper bottom plate 1B-3 is welded between the auxiliary hopper front square pipe 1B-4 and the auxiliary hopper rear square pipe 1B-5, an insertion slot 1B-3a capable of containing the pipe wall of the main hopper front square pipe 1A-4 and sliding therein is reserved between the left front edge of the auxiliary hopper bottom plate 1B-3 and the auxiliary hopper front square pipe 1B-4, an insertion slot capable of containing the pipe wall of the main hopper rear square pipe 1A-5 and sliding therein is reserved between the left rear edge of the auxiliary hopper bottom plate 1B-3 and the auxiliary hopper rear square pipe 1B-5, the auxiliary hopper front wall plate 1B-1 is welded on the top surface of the auxiliary hopper front square pipe 1B-4, the auxiliary hopper rear wall plate 1B-2 is welded on the top surface of the auxiliary hopper rear square pipe 1B-5, the auxiliary hopper front square pipe 1B-4, the auxiliary hopper rear square pipe 1B-5, the auxiliary hopper front wall plate 1B-1 and the auxiliary hopper rear wall plate 1B-2 are mutually arranged in parallel, and the auxiliary hopper right wall plate 1B-6 is welded between the right end part of the auxiliary hopper front wall plate 1B-1 and the right end part of the auxiliary hopper bottom plate 1B-3; the top surface of the auxiliary bucket front square pipe 1B-4 is provided with bolt holes with positions and numbers corresponding to the bolt holes on the main bucket front square pipe 1A-4, and the top surface of the auxiliary bucket rear square pipe 1B-5 is provided with bolt holes with positions and numbers corresponding to the bolt holes on the main bucket rear square pipe 1A-5;

Referring to fig. 2, the auxiliary fire receiving hopper 1B is slidably sleeved in the main fire receiving hopper 1A, namely: the left end part of the auxiliary bucket front square pipe 1B-4 and the left end part of the auxiliary bucket rear square pipe 1B-5 are respectively inserted into the right port of the main bucket front square pipe 1A-4 and the right port of the main bucket rear square pipe 1A-5 in a sliding manner;

And, lock the relative position of the main fire receiving bucket 1A and the auxiliary fire receiving bucket 1B by the butterfly bolts 7 engaged with the bolt holes on the main bucket front pipe 1A-4 and the main bucket rear pipe 1A-5 at the same time and/or by the butterfly bolts engaged with the bolt holes on the auxiliary bucket front pipe 1B-4 and the auxiliary bucket rear pipe 1B-5 at the same time;

wherein the main bucket front wall plate 1A-1 and the auxiliary bucket front wall plate 1B-1 are jointly used as a front wall plate 1-1 of the fire receiving tray 1, the main bucket rear wall plate 1A-2 and the auxiliary bucket rear wall plate 1B-2 are jointly used as a rear wall plate 1-2 of the fire receiving tray 1, the main bucket bottom plate 1A-3 and the auxiliary bucket bottom plate 1B-3 are jointly used as a bottom plate 1-3 of the fire receiving tray 1, the main bucket left wall plate 1A-6 is used as a left wall plate of the fire receiving tray 1, and the auxiliary bucket right wall plate 1B-6 is used as a right wall plate of the fire receiving tray 1; the main bucket front wall plate 1A-1 and the auxiliary bucket front wall plate 1B-1 are respectively provided with the lifting lugs 4, and the main bucket rear wall plate 1A-2 and the auxiliary bucket rear wall plate 1B-2 are respectively provided with the magnets 5.

The wall plates and the bottom plates of the main fire receiving hopper 1A and the auxiliary fire receiving hopper 1B can be thin steel plates, square steel pipes with the preferred sizes of 50mm and 50mm are selected from the main hopper front pipes 1A-4 and the main hopper rear pipes 1A-5, and square steel pipes with the preferred sizes of 40mm and 40mm are selected from the auxiliary hopper front pipes 1B-4 and the auxiliary hopper rear pipes 1B-5.

Therefore, the main fire-catching hopper 1A is formed by the main hopper front wall plate 1A-1, the main hopper rear wall plate 1A-2, the main hopper bottom plate 1A-3, the main hopper front square tube 1A-4, the main hopper rear square tube 1A-5 and the main hopper left wall plate 1A-6, and the auxiliary fire-catching hopper 1B is formed by the auxiliary hopper front wall plate 1B-1, the auxiliary hopper rear wall plate 1B-2, the auxiliary hopper bottom plate 1B-3, the auxiliary hopper front square tube 1B-4, the auxiliary hopper rear square tube 1B-5 and the auxiliary hopper right wall plate 1B-6.

The present utility model is not limited to the above-described embodiments, and according to the above-described matters, the present utility model may be modified, replaced or altered in various equivalent ways without departing from the basic technical spirit of the present utility model, all falling within the scope of the present utility model, according to the general technical knowledge and conventional means in the art.

Claims (4)

1. Size-adjustable magnetic attraction type welding and ignition device, which is characterized by comprising: the device comprises a fire receiving plate (1), a magnetic suction hook (2) and a hanging rope (3), wherein a lifting lug (4) positioned at the top of the front wall plate (1-1) of the fire receiving plate (1) is arranged, and a magnet (5) positioned on the outer side surface of the rear wall plate (1-2) of the fire receiving plate (1); the magnetic hook (2) and the magnet (5) are adsorbed at the lower position of a welding part (6 a) of the steel structure (6) to be welded, and the magnetic hook (2) is positioned above the fire receiving plate (1); one end of the hanging rope (3) is tied tightly on the lifting lug (4), and the other end of the hanging rope (3) is tied on the magnetic hook (2), so that the hanging rope (3) forms a non-horizontal inclination angle.

2. The size-adjustable magnetic attraction type welding and fire-receiving device according to claim 1, wherein: a fireproof blanket is paved on the bottom plate (1-3) of the fire receiving tray (1).

3. The size-adjustable magnetic attraction type welding and fire-receiving device according to claim 1 or 2, wherein: the fire-catching tray (1) is composed of a main fire-catching hopper (1A) with a larger size and an auxiliary fire-catching hopper (1B) with a smaller size, the hopper openings of the main fire-catching hopper (1A) and the auxiliary fire-catching hopper (1B) are opposite, and the auxiliary fire-catching hopper (1B) is slidably sleeved in the main fire-catching hopper (1A).

4. A size-adjustable magnetic attraction type welding torch-fire apparatus as claimed in claim 3, wherein: the main fire receiving hopper (1A) has the structure that: the main bucket bottom plate (1A-3) is welded between the main bucket front square pipe (1A-4) and the main bucket rear square pipe (1A-5), the main bucket front wall plate (1A-1) is welded on the top surface of the main bucket front square pipe (1A-4), the main bucket rear wall plate (1A-2) is welded on the top surface of the main bucket rear square pipe (1A-5), the main bucket front square pipe (1A-4), the main bucket rear square pipe (1A-5), the main bucket front wall plate (1A-1) and the main bucket rear wall plate (1A-2) are arranged in parallel, and the main bucket left wall plate (1A-6) is welded between the left end part of the main bucket front wall plate (1A-1), the left end part of the main bucket rear wall plate (1A-2) and the left end part of the main bucket bottom plate (1A-3); at least one of the top surface of the main bucket front side pipe (1A-4) and the top surface of the main bucket rear side pipe (1A-5) is provided with a plurality of bolt holes which are arranged at intervals along the extending direction;

The auxiliary fire receiving hopper (1B) has the structure that: the auxiliary hopper bottom plate (1B-3) is welded between the auxiliary hopper front square pipe (1B-4) and the auxiliary hopper rear square pipe (1B-5), an insertion slot (1B-3 a) capable of containing the pipe wall of the main hopper front square pipe (1A-4) and sliding in the auxiliary hopper front square pipe (1B-4) is reserved between the left part rear edge of the auxiliary hopper bottom plate (1B-3) and the auxiliary hopper rear square pipe (1B-5), an insertion slot capable of containing the pipe wall of the main hopper rear square pipe (1A-5) and sliding in the auxiliary hopper rear square pipe is reserved between the left part rear edge of the auxiliary hopper bottom plate (1B-3) and the auxiliary hopper rear square pipe (1B-5), the auxiliary hopper front wall plate (1B-1) is welded on the top surface of the auxiliary hopper front square pipe (1B-4), the auxiliary hopper rear wall plate (1B-2) is welded on the top surface of the auxiliary hopper rear square pipe (1B-5), the auxiliary hopper rear square pipe (1B-4), the auxiliary hopper rear square pipe (1B-5), the auxiliary hopper front wall plate (1B-1), the auxiliary hopper rear wall plate (1B-2) and the auxiliary hopper rear wall plate (1B-2) are arranged in parallel to each other at the top end part of the auxiliary hopper front wall plate (1B-2) and the auxiliary hopper rear wall plate (1B-2) and the right end part (1B-2) is welded on the top surface of the auxiliary hopper front wall plate (1B-5); the top surface of the auxiliary bucket front square pipe (1B-4) is provided with bolt holes with positions and numbers corresponding to the bolt holes on the main bucket front square pipe (1A-4), and the top surface of the auxiliary bucket rear square pipe (1B-5) is provided with bolt holes with positions and numbers corresponding to the bolt holes on the main bucket rear square pipe (1A-5);

The auxiliary fire receiving hopper (1B) is slidably sleeved in the main fire receiving hopper (1A), namely: the left end part of the auxiliary bucket front square pipe (1B-4) and the left end part of the auxiliary bucket rear square pipe (1B-5) are respectively inserted into the right port of the main bucket front square pipe (1A-4) and the right port of the main bucket rear square pipe (1A-5) in a sliding manner;

and locking the relative positions of the main fire receiving hopper (1A) and the auxiliary fire receiving hopper (1B) by a butterfly bolt (7) which is engaged with the bolt holes on the main hopper front pipe (1A-4) and the main hopper rear pipe (1A-5) at the same time and/or by a butterfly bolt which is engaged with the bolt holes on the auxiliary hopper front pipe (1B-4) and the auxiliary hopper rear pipe (1B-5) at the same time;

Wherein the main bucket front wall plate (1A-1) and the auxiliary bucket front wall plate (1B-1) are jointly used as a front wall plate (1-1) of the fire receiving tray (1), the main bucket rear wall plate (1A-2) and the auxiliary bucket rear wall plate (1B-2) are jointly used as a rear wall plate (1-2) of the fire receiving tray (1), the main bucket bottom plate (1A-3) and the auxiliary bucket bottom plate (1B-3) are jointly used as a bottom plate (1-3) of the fire receiving tray (1), the main bucket left wall plate (1A-6) is used as a left wall plate of the fire receiving tray (1), and the auxiliary bucket right wall plate (1B-6) is used as a right wall plate of the fire receiving tray (1); the main bucket front wall plate (1A-1) and the auxiliary bucket front wall plate (1B-1) are respectively provided with the lifting lugs (4), and the main bucket rear wall plate (1A-2) and the auxiliary bucket rear wall plate (1B-2) are respectively provided with the magnets (5).