CN219152093U

CN219152093U - Shelter rivet prevention of seepage water seal welding set

Info

Publication number: CN219152093U
Application number: CN202223459786.2U
Authority: CN
Inventors: 梅乾龙; 李冉; 曾申波; 权建洲; 李晓峰; 周大勇; 曹柯; 赵通
Original assignee: Air Force Early Warning Academy
Current assignee: Air Force Early Warning Academy
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-09
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a shelter rivet watertight welding device, which is used for realizing riveting and welding of a shelter unit, wherein the shelter unit comprises an upper plate (5) and a lower plate (6), and comprises the following components: a rivet gun unit and a welding unit; the rivet gun unit comprises a gun body (1), a replaceable gun head (2) connected with the gun body (1), a rivet resistance welding combined gun head with a rivet pulling function and resistance welding gun head conductivity, a rivet rod (3) connected with the gun head (2) and a rivet cap (4); the welding unit comprises a resistance welder (8) for providing welding energy and a connecting cable (7) for connecting the resistance welder (8) with the gun head (2). According to the utility model, the riveting of the shelter and the welding of the rivet and the upper plate are completed through the portable resistance spot welder and the rivet gun, so that the welding spots are formed to eliminate gaps between the rivet and the upper plate, thereby effectively preventing leakage of the rivet joint in rainy days, prolonging the service life of the shelter and guaranteeing the tightness of the shelter.

Description

Shelter rivet prevention of seepage water seal welding set

Technical Field

The embodiment of the utility model belongs to the field of welding of shelter rivets, and particularly relates to a watertight welding device for shelter rivets.

Background

In recent years, with the continuous improvement of production and manufacturing capability and the popularization of loading platforms such as square cabins and van vehicles, the square cabins and van vehicles have the advantages of good maneuverability, rapid deployment and high environmental adaptability, so that the square cabins and van vehicles are widely applied to various aspects such as communication, medical treatment, logistical support and the like, and more professional technical equipment and engineering equipment use the square cabins and van vehicles as loading platforms. The riveting is the most common connection mode for the loading platform at present, and has the advantages of reducing the transportation cost of large parts, along with simple and quick connection and lower cost. However, as the demands of the current production development are larger and larger, riveting cannot provide a sealed and reliable environment for a shelter body (or a van carriage), the rivet belongs to a detachable connection mode, a certain gap exists between the top end of the rivet and a connection part, and the tightness cannot be ensured.

In the prior art, the rivet and the joint are sealed by smearing glue injection or paint spraying and coating are used for ensuring that the surface of the rivet forms a protective film, however, as the square cabin and the van carriage have wide application range, the temperature and the humidity of the square cabin and the van carriage are not constant, the glue injection or foaming filling gap is greatly influenced by temperature change, and the construction manufacturability is poor during operation; paint spraying and coating are easy to cause uneven distribution, parts are too thin and are influenced by environmental factors to cause falling, a certain gap exists, and therefore tightness of the paint spraying and coating cannot be guaranteed.

Disclosure of Invention

Aiming at the defects or improvement demands of the prior art, the utility model provides the watertight sealing welding device for the square cabin rivet, which ensures the sealing effectiveness of the square cabin body, has the advantages of simple practical structure, good portability, small damage to the surface of the riveting point structure and higher sealing reliability and sealing effectiveness.

In order to achieve the above object, the present utility model provides a shelter rivet watertight welding device for riveting and welding a shelter unit, the shelter unit including an upper plate and a lower plate, comprising: a rivet gun unit and a welding unit;

the rivet gun unit comprises a gun body, a gun head which is connected with the gun body and is replaceable, wherein the gun head is a rivet resistance welding combined gun head with a rivet gun head pulling and riveting function and resistance welding gun head conductivity, and a rivet rod and a rivet cap which are connected with the gun head;

the welding unit includes a resistance welder for providing welding energy and a connection cable connecting the resistance welder with the gun head.

Further, a through hole capable of accommodating the rivet rod is formed in the gun head.

Further, the gun heads connected with the gun body in the rivet gun unit are detachable gun heads, and gun heads with different aperture sizes and different tip diameters can be replaced according to rivets with different specifications.

Further, the rivet diameter ranges from 2.4 to 6.4mm.

Further, the resistance welder is connected with the gun head and an upper plate outside the shelter through a connecting cable to form an energizing circuit.

Further, the thickness of the joint of the upper plate and the rivet cap in the shelter unit is smaller than 5mm.

In general, the above technical solutions conceived by the present utility model, compared with the prior art, enable the following beneficial effects to be obtained:

(1) The utility model provides a combined rivet resistance welding gun head, which is changed into a special material resistance welding gun head by a technical means, has a pull riveting function and a 'two-in-one' gun head of the resistance welding gun head, and can finish resistance welding operation by utilizing riveting force or directly press and apply certain acting force after the pull riveting is finished, so that a gap between a rivet cap and a connecting part is further eliminated after the rivet is connected with an upper plate and a lower plate of a shelter, leakage between the rivet and the shelter in a rainy day is effectively prevented, maintenance requirements and guarantee requirements in special scenes are timely solved, and the practical efficiency and the service life of the shelter and some special equipment are improved.

(2) The shelter rivet watertight sealing device provided by the utility model has the advantages that the size of the resistance welding machine is small, the spot welding function can be realized by forming an electrifying loop between the rivet gun head and the outer plate through the connecting cable, the thickness of the rivet cap and the connecting part is required to be smaller than 5mm according to the material properties of the plate and the rivet during operation, the device is simple in structure and good in portability, the welding can be finished only in a tiny area near the riveting point through smaller acting force, and the generated resistance heat has small damage to the surface of the structure.

(3) The shelter rivet watertight sealing device provided by the utility model provides a detachable and replaceable combined rivet resistance welding gun head, which can be replaced according to rivets of different specifications, and can be used for customizing gun heads with different aperture sizes and different tip diameters, is suitable for rivets with diameters of 2.4-6.4mm, and has good universality.

Drawings

FIG. 1 is a schematic illustration of a rivet connection structure to which resistance welding is applied prior to riveting;

FIG. 2 is a schematic illustration of the structure of the riveting effect of applying resistance welding after riveting;

fig. 3 is a schematic structural view of a riveting resistance welding gun head.

In all the figures, the same reference numerals denote the same structural elements, wherein 1-gun body, 2-gun head, 3-rivet stem, 4-rivet cap, 5-upper plate, 6-lower plate, 7-connecting cable, 8-resistance welder, 9-through hole.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1, the embodiment of the utility model provides a shelter rivet watertight sealing device, which is used for realizing riveting and welding of a shelter unit, wherein the shelter unit comprises an upper plate 5 and a lower plate 6; the device comprises: a rivet gun unit and a welding unit;

the rivet gun unit comprises a hand-held gun body 1, a gun head 2 which is connected with the gun body 1 and is replaceable, wherein the gun head 2 is cylindrical, is a combined gun head which has a rivet gun head pulling and riveting function and resistance welding gun head conductivity, and a rivet rod 3 and a rivet cap 4 which are connected with the gun head 2;

the welding unit comprises a resistance welder 8 for providing welding energy and a connecting cable 7 for connecting the resistance welder 8 with the gun head 2;

the upper plate 5 and the lower plate 6 in the shelter unit are connected through the rivet gun unit, the space above the upper plate 5 is outside the shelter, the space below the upper plate 5 is inside the shelter, according to the working principle of rivets, after the gun body 1 controls the gun head 2 and the connected rivet rod 3 to act on the joint to finish riveting, a certain pressure seal is formed between the rivet cap 4 and the upper plate 5, and the upper plate 5 and the lower plate 6 are connected and fixed through rivets.

As shown in fig. 2 and 3, the embodiment of the utility model provides a shelter rivet watertight sealing device, the gun head 2 is a combined rivet resistance gun head, the gun head can be detached and replaced at any time, gun heads with different aperture sizes and different tip diameters can be customized according to rivet sizes with different specifications in the actual use operation process, and the rivet diameter range is 2.4-6.4mm.

The gun head 2 is a comprehensive improvement device of manual resistance spot welding equipment and rivet gun equipment in the prior art, and mainly changes a metal material of a traditional rivet gun head into a special material of a resistance welding gun head, so that the gun head 2 can have a heat conduction function of the resistance welding gun head while completing a rivet pulling function, and the gun head 2 can complete a local spot welding function after applying a certain pressure in an acting force direction; the gun head 2 is internally provided with a through hole 9 which can accommodate the rivet rod 3 and can be connected with the rivet rod 3 within a corresponding diameter range, so that the gun head has certain universality;

the resistance welder 8 is connected with the gun head 2 and the upper plate 5 through the connecting cable 7 to form an electrifying loop, so that the gun head 2 can finish welding sealing between the upper plate 5 and the rivet cap 4 in the shelter unit under the electrifying state, a welding process is required to be finished under the prepressing of a certain force according to the working principle of resistance spot welding, the current of the resistance welder 8 is adjusted according to the material property of the rivet and the thickness of the required connected plate after the resistance welder 8 is powered on, and the thickness of the welded thin plate is smaller than 5mm.

When the rivet gun unit completes the riveting of the rivet rod 3 and the rivet cap 4 to the upper plate 5 and the lower plate 6 by controlling the gun head 2 connected with the gun body 1, a power supply of a resistance electric welding machine 8 can be started, the downward pressure of the rivet cap 4 is generated when the rivet rod 3 is pulled and broken in the riveting process to complete the sealing welding of the rivet cap 4 and the contacted upper plate 5, in the operation process, the resistance spot welding sealing completes the control of the resistance welding force by utilizing the riveting force generated in the riveting process, so that the rivet cap 4 is welded on the upper plate 5 to form welding spots to eliminate gaps between the two, and the seamless connection of the rivet outside a square cabin is completed; in order to ensure the effectiveness of shelter sealing, the rivet cap 4 and the upper plate 5 are welded by starting the power supply of the resistance welder 8 after the rivet is riveted to the upper plate 5 and the lower plate 6. When the riveting force is not used, the resistance welder 8 can be started after the rivet pulling operation is finished, and the welding of the rivet and the connected position can be finished by pressing the outer side of the rivet cap 4 with a certain force. The shelter rivet watertight sealing device provided by the utility model has the advantages that the size of the resistance welding machine is small, the spot welding function can be realized by forming an electrifying loop between the rivet gun head and the outer plate through the connecting cable, the thickness of the rivet cap and the connecting part is required to be smaller than 5mm according to the material properties of the plate and the rivet during operation, the device is simple in structure and good in portability, the welding can be finished only in a tiny area near the riveting point through smaller acting force, and the generated resistance heat has small damage to the surface of the structure.

The embodiment of the utility model solves the problem of leakage in rainy days caused by a certain gap between the rivet cap and the connecting part after the shelter part is riveted, timely solves the maintenance requirement and the guarantee requirement in special scenes, and improves the practical efficiency and the service life of the shelter and some special equipment. The sealing effectiveness of the shelter body of the shelter is ensured.

It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a shelter rivet prevention of seepage water seal welding set for realize riveting and welding of shelter unit, shelter unit includes upper plate (5) and hypoplastron (6), its characterized in that includes: a rivet gun unit and a welding unit;

the rivet gun unit comprises a gun body (1), a gun head (2) which is connected with the gun body (1) and can be replaced, wherein the gun head (2) is a rivet resistance welding combined gun head with a rivet gun head riveting function and resistance welding gun head conductivity, and a rivet rod (3) and a rivet cap (4) which are connected with the gun head (2);

the welding unit comprises a resistance welder (8) for providing welding energy and a connection cable (7) connecting the resistance welder (8) with the gun head (2).

2. A shelter rivet watertight welding device as claimed in claim 1, characterized in that the gun head (2) is provided with a through hole (9) for receiving the rivet stem (3).

3. The shelter rivet watertight sealing welding device according to claim 2, characterized in that the gun head (2) connected with the gun body (1) in the rivet gun unit is a detachable gun head, and the gun heads (2) with different aperture sizes and different tip diameters can be replaced according to rivets with different specifications.

4. A shelter rivet watertight welding device as claimed in claim 3, in which the rivet diameter is in the range 2.4-6.4mm.

5. A shelter rivet watertight welding device as claimed in any one of claims 1 to 4, characterized in that the resistance welder (8) connects the gun head (2) and the upper plate (5) outside the shelter via a connecting cable (7) forming an energizing circuit.

6. The shelter rivet watertight welding device according to claim 5, characterized in that the thickness of the junction of the upper plate (5) and the rivet cap (4) in the shelter unit is less than 5mm.