Small brazing device for tunnel maintenance

By designing components such as protective plates, heat insulation plates, and magnetic rings on a small brazing device for tunnel maintenance, the problem of skin burns caused by high-temperature metal splashes has been solved, achieving a stronger protective effect.

CN223811653UActive Publication Date: 2026-01-20SICHUAN GAOLU INFORMATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202522641191.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-12
Publication Date
2026-01-20
Estimated Expiration
2035-12-12

AI Technical Summary

Technical Problem

Existing small brazing devices used for tunnel maintenance are prone to causing burns to workers' skin due to high-temperature metal splashes, and their protective effect is weak.

Method used

A device comprising a brazing machine body, a brazing head, a handle, an anti-slip sleeve, a protective plate, a heat insulation plate, a metal plate, a metal ring, and a magnetic ring is designed. By assembling the protective structure on the outside of the handle and fixing it with the magnetic ring and fasteners, a multi-layered protection is provided.

Benefits of technology

It effectively prevents burns to the skin from hot metal splashes, improving the protective effect during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a small-sized brazing device for tunnel maintenance, which belongs to the technical field of tunnel brazing and comprises a brazing machine body and a brazing head, the brazing head is mounted on the outer side of the brazing machine body, a handle is arranged outside the brazing head, an anti-slip sleeve is sleeved outside the handle, a metal ring is arranged outside the handle, and the metal ring is sleeved outside the anti-slip sleeve. And a first ring body is arranged outside the handle. According to the small brazing device for tunnel overhaul, the protection plate, the heat insulation plate and the metal plate are installed outside the handle, the handle is sleeved with the metal ring and the first ring body, then the magnetic attraction ring is attracted to the side face of the metal ring, and the magnetic attraction ring is installed on the side face of the first ring body through a fastener; in this way, the protection structure can be installed outside the handle, when a follow-up worker does not help the handle to work again, the worker does not need to worry about skin scalding caused by high-temperature metal splashing, and therefore the protection effect of the protection structure is high when the protection structure is used.
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Description

Technical Field

[0001] This utility model belongs to the field of tunnel brazing technology, and in particular relates to a small brazing device for tunnel maintenance. Background Technology

[0002] Tunnel maintenance is a systematic work that ensures the safety of tunnel structures and the normal operation of electromechanical facilities through regular inspections, specialized tests, and emergency maintenance. Sometimes, small brazing devices are needed, which melt the solder by heating to join metal workpieces. They are especially suitable for handling small or precision parts, including electromagnetic induction or flame heating, and can achieve ultra-fine welding work.

[0003] The small brazing devices for tunnel maintenance currently on the market have the following problems when in use: Traditional small brazing devices for tunnel maintenance usually use a brazing machine to melt the welding material to carry out maintenance work on the parts that need to be inspected. The workers need to hold the handle to control the brazing head. Although gloves are worn for protection, the skin can be easily burned by hot metal splashes during the welding process. Therefore, the protection of the hands is weak when using them. Utility Model Content

[0004] The purpose of this utility model is to provide a small brazing device for tunnel maintenance, so as to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the specific technical solution of this utility model is as follows: A small brazing device for tunnel maintenance includes a brazing machine body and a brazing head. The brazing head is installed on the outside of the brazing machine body. A handle is provided on the outside of the brazing head. An anti-slip sleeve is fitted on the outside of the handle. A metal ring is provided on the outside of the handle. A first ring body is provided on the outside of the handle. A magnetic suction ring is connected to the side of the metal ring via a rotating shaft. A second ring body is installed on the side of the first ring body. A side plate is provided on the side of the first ring body. A side plate is provided on the side of the second ring body. A circular hole is opened inside the side plate. A threaded post passes through the circular hole. A locking nut is threadedly connected to the outside of the threaded post. A metal plate is provided on the outside of the metal ring. A metal plate is installed on the outside of the first ring body. A heat insulation plate is provided on the side of the metal plate. A protective plate is provided on the other side of the heat insulation plate.

[0006] Preferably, the protective plate has a threaded rod on its side, the heat insulation plate has a through hole on its inner side, the metal plate has a fixing plate on its inner side, the fixing plate has a through hole on its inner side, the threaded rod passes through the through hole, the threaded rod passes through the through hole, and the threaded rod is threaded to a wing nut.

[0007] Preferably, the inner side of the metal plate is provided with an upper plate body, the other side of the upper plate body is connected with a metal ring, the inner side of the metal plate is provided with a lower plate body, and the other side of the lower plate body is provided with a first ring body.

[0008] Preferably, the side surface of the metal ring is provided with a clamping groove, and the side surface of the magnetic ring is provided with a clamping block embedded in the inner side of the clamping groove.

[0009] Preferably, the side surface of the first ring body is provided with a positioning groove, and the side surface of the second ring body is provided with a positioning rod embedded in the inner side of the positioning groove.

[0010] Preferably, the side surface of the brazing machine body is provided with a cable, the other side of the cable is provided with a brazing head, and the bottom of the handle is provided with a base.

[0011] The tunnel maintenance small brazing device has the following advantages.

[0012] The tunnel maintenance small brazing device has the following advantages. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0015] Figure 2 It is a schematic diagram of the brazing head structure of the present application.

[0016] Figure 3 It is a schematic diagram of the magnetic ring structure of the present application.

[0017] Figure 4 The schematic diagram of the wing nut structure of the utility model;

[0018] Figure 5 The schematic diagram of the positioning rod structure of the utility model.

[0019] Marked in the figure: 1, the brazing machine body; 2, the brazing head; 3, the cable; 4, handle; 5, anti-skid sleeve; 6, protective plate; 7, heat insulation plate; 8, metal plate; 9, threaded rod; 10, wing nut; 11, through hole; 12, perforation; 13, fixed plate; 14, upper plate body; 15, lower plate body; 16, first ring body; 17, second ring body; 18, side plate; 19, base; 20, positioning rod; 21, positioning groove; 22, circular hole; 23, threaded column; 24, lock nut; 25, metal ring; 26, magnetic attraction ring; 27, clamping block; 28, clamping groove. DETAILED DESCRIPTION

[0020] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0021] In the description of the embodiments of the utility model, it is understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model.

[0022] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0023] In the embodiments of the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can also be detachably connected, or integrated; can be mechanically connected, can also be electrically connected, and can also be communicated; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements or mutual action relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can refer to the same reference numerals and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the present application, the small brazing device for tunnel maintenance will be further described in detail below in combination with the drawings.

[0026] As Figures 1-5As shown, the utility model discloses a small -size brazing device for tunnel overhauls, including brazing machine body 1 and brazing head 2, brazing head 2 is installed to the outside of brazing machine body 1, the outside of brazing head 2 is equipped with handle 4, handle 4's outside sleeve joint anti -skid cover 5, the outside of handle 4 is equipped with metal ring 25, the outside of handle 4 is equipped with first ring body 16, the side of metal ring 25 is connected through the shaft joint magnetic attraction ring 26, the side of first ring body 16 installs second ring body 17, the side of first ring body 16 is equipped with side plate 18, the side of second ring body 17 is equipped with side plate 18, the inside of side plate 18 is opened circular hole 22, because opening circular hole 22, it is convenient to pinch the threaded column 23 and make it penetrate the inside of side plate 18, the inside of circular hole 22 penetrates threaded column 23, the outside screw joint lock nut 24 of threaded column 23, the outside of metal ring 25 is equipped with metal plate 8, the outside of first ring body 16 installs metal plate 8, the side of metal plate 8 is equipped with heat insulating plate 7, the other side of heat insulating plate 7 is equipped with protective plate 6, by installing protective plate 6, heat insulating plate 7, metal plate 8 in the outside of handle 4, and the outside of metal plate 8 is equipped with metal ring 25 and magnetic attraction ring 26, the side of first ring body 16 is equipped with second ring body 17, the side of ring body structure installs fastening structure, first protective plate 6, heat insulating plate 7, metal plate 8 are assembled, then reverse open magnetic attraction ring 26, and the outside of handle 4 is sleeved with metal ring 25 and first ring body 16, wherein magnetic attraction ring 26 can be strongly magnetically attracted on the side of metal ring 25, second ring body 17 is subsequently taken out, and is installed on the side of first ring body 16 by fastener, so that the protective structure can be installed on the outside of handle 4, and subsequent staff works again without handle 4, and does not need to worry about skin scalding due to high-temperature metal splashing, so the protective effect is stronger when using.

[0027] The side of protective plate 6 is equipped with threaded rod 9, the inside of heat insulating plate 7 is opened through hole 11, the inside of metal plate 8 is equipped with fixed plate 13, the inside of fixed plate 13 is opened perforation 12, threaded rod 9 penetrates the inside of through hole 11, threaded rod 9 penetrates the inside of perforation 12, and threaded rod 9 is screw-connected butterfly nut 10 outside, since installing threaded rod 9 and butterfly nut 10, when threaded rod 9 on the side of protective plate 6 penetrates the inside of heat insulating plate 7 and metal plate 8 in proper order, threaded rod 9 can be screwed outside butterfly nut 10 and is locked and assembled together.

[0028] The inside of metal plate 8 is equipped with upper plate body 14, the other side of upper plate body 14 is connected metal ring 25, the inside of metal plate 8 is equipped with lower plate body 15, the other side of lower plate body 15 is equipped with first ring body 16, since being equipped with upper plate body 14 and lower plate body 15, metal plate 8 and first ring body 16 can be installed on the side of metal plate 8 respectively.

[0029] The side of the metal ring 25 is provided with a clamping groove 28, and the side of the magnetic ring 26 is provided with a clamping block 27 which is embedded in the clamping groove 28. The clamping block 27 can be used for secondary fixation after the magnetic ring 26 is adsorbed to the metal ring 25, so as to avoid the magnetic ring 26 from loosening from the side of the metal ring 25.

[0030] The side of the first ring body 16 is provided with a positioning groove 21, and the side of the second ring body 17 is provided with a positioning rod 20 which is embedded in the positioning groove 21. The positioning rod 20 and the positioning groove 21 can be used for preliminary alignment of the first ring body 16 and the second ring body 17.

[0031] The side of the brazing machine body 1 is provided with a cable 3, and the other side of the cable 3 is provided with a brazing head 2. The bottom of the handle 4 is provided with a base 19. The cable 3 can be used for convenient installation of the brazing head 2 on the outside of the brazing machine body 1. After power supply, the brazing head 2 can be heated, so as to facilitate subsequent maintenance work.

[0032] The working principle of the small brazing device for tunnel maintenance is as follows: when the device is applied, the side of the brazing machine body 1 is connected with the welding head through the cable 3, the top is provided with a groove for installing a handle, the staff can conveniently take and move the brazing machine body 1, the buttons and the display screen installed on the outside can well control the temperature of the brazing head 2 and know the heat required during brazing at any time, in order to avoid skin burns caused by high-temperature metal splashing during brazing, the protective structure is installed on the outside of the handle 4, first, the anti-skid sleeve 5 is taken out and installed on the outside of the handle 4, the friction between the palm and the handle 4 is enhanced, the anti-skid effect is stronger, then the protective plate 6 is taken out, the threaded rods 9 on the side are sequentially penetrated through the inside of the heat insulation frame and the heating plate, the butterfly nut 10 on the outside is screwed to lock and fix the three, the inside of the metal plate 8 is connected with the metal ring 25 through the upper plate body 14, the inside of the metal plate 8 is connected with the first ring body 16 through the lower plate body 15, then the metal ring 25 and the first ring body 16 are sleeved on the outside of the handle 4, then the magnetic attraction ring 26 is opened through the rotating shaft, the clamping block 27 on the side is inlaid in the clamping groove 28, then the second ring body 17 is taken out again, the positioning rod 20 on the side is inlaid in the positioning groove 21 on the side of the second ring body 17, so that the first ring body 16 and the second ring body 17 can be preliminarily spliced, then the threaded column 23 is taken out again and penetrated through the circular hole 22 in the inside of the side plate 18, the locking nuts 24 on the two ends are screwed to be fixed, so that the protective structure can be installed and fixed on the outside of the handle 4, finally, when the staff needs to use the brazing machine body 1, the staff directly holds the handle 4, then the maintenance work can be carried out, the high-temperature metal splashing during brazing can be avoided to cause skin burns, and the hands of the staff can be effectively protected.

[0033] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A small brazing device for tunnel maintenance, comprising a brazing machine body (1) and a brazing head (2), the brazing head (2) is installed on the outside of the brazing machine body (1), characterized in that: The outside of the soldering head (2) is provided with a handle (4), the outside of the handle (4) is sleeved with an anti-skid sleeve (5), the outside of the handle (4) is provided with a metal ring (25), the outside of the handle (4) is provided with a first ring body (16), the side of the metal ring (25) is connected with a magnetic ring (26) through a rotating shaft, the side of the first ring body (16) is mounted with a second ring body (17), the side of the first ring body (16) is provided with a side plate (18), the side of the second ring body (17) is provided with a side plate (18), the inside of the side plate (18) is provided with a circular hole (22), the inside of the circular hole (22) penetrates a threaded column (23), the outside of the threaded column (23) is threadedly connected with a locking nut (24), the outside of the metal ring (25) is provided with a metal plate (8), the outside of the first ring body (16) is mounted with a metal plate (8), the side of the metal plate (8) is provided with a heat insulation plate (7), the other side of the heat insulation plate (7) is provided with a protective plate (6).

2. The small-sized brazing apparatus for tunnel inspection according to claim 1, characterized by: The side of the protective plate (6) is provided with a threaded rod (9), the inside of the heat insulation plate (7) is provided with a through hole (11), the inside of the metal plate (8) is provided with a fixed plate (13), the inside of the fixed plate (13) is provided with a perforated hole (12), the inside of the through hole (11) penetrates the threaded rod (9), the inside of the perforated hole (12) penetrates the threaded rod (9), and the outside of the threaded rod (9) is threadedly connected with a butterfly nut (10).

3. The small-sized brazing apparatus for tunnel inspection according to claim 2, characterized by: The inside of the metal plate (8) is provided with an upper plate body (14), the other side of the upper plate body (14) is connected with the metal ring (25), the inside of the metal plate (8) is provided with a lower plate body (15), and the other side of the lower plate body (15) is provided with the first ring body (16).

4. The small-sized brazing apparatus for tunnel inspection according to claim 3, characterized by: The side of the metal ring (25) is provided with a clamping groove (28), the side of the magnetic ring (26) is provided with a clamping block (27), and the clamping block (27) is embedded in the inside of the clamping groove (28).

5. The small-sized brazing apparatus for tunnel inspection according to claim 4, characterized by: The side of the first ring body (16) is provided with a positioning groove (21), the side of the second ring body (17) is provided with a positioning rod (20), and the positioning rod (20) is embedded in the inside of the positioning groove (21).

6. The small-sized brazing apparatus for tunnel inspection according to claim 1, characterized by: The side of the soldering machine body (1) is provided with a cable (3), the other side of the cable (3) is provided with the soldering head (2), and the bottom of the handle (4) is mounted with a base (19).