Handheld brazing machine for highway maintenance

By connecting a fixing frame and a limiting sleeve to the surface of the welding head of a handheld brazing machine, the problem of poor stability caused by the large size of the welding head is solved, thus achieving welding stability and ease of operation.

CN223748716UActive Publication Date: 2026-01-02SICHUAN GAOLU INFORMATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202522578746.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-04
Publication Date
2026-01-02
Estimated Expiration
2035-12-04

AI Technical Summary

Technical Problem

Traditional handheld brazing machines used for highway maintenance have large welding heads, which leads to poor hand stability, unstable welding, and inconvenient operation.

Method used

A handheld brazing machine was designed, with a fixing frame connected to the surface of the welding head. The fixing frame has a fixing rod and a limiting sleeve inside. The limiting sleeve has a groove and an extrusion plate inside. The object is limited and fixed by the threaded connection, which prevents the object from contacting the inner wall of the welding head.

Benefits of technology

It improves welding stability and ease of operation, ensuring that the object does not come into contact with the inner wall of the welding head during welding, and provides an effective fixation effect.

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Abstract

The utility model discloses a handheld brazing machine for highway maintenance, which belongs to the technical field of highway brazing and comprises a welding machine body and a welding head, the welding head is mounted on the surface of the welding machine body, the surface of the welding head is connected with a fixing frame, a fixing rod is welded in the fixing frame, and a limiting sleeve is welded at the other end of the fixing rod. A groove is formed in the limiting sleeve, an extrusion sheet is arranged in the groove, and a first internal thread seat is fixedly connected to the surface of the limiting sleeve. According to the handheld brazing machine for highway maintenance, the welding head is installed on the surface of the brazing machine body, meanwhile, the fixing frame is connected to the surface of the welding head, the fixing rod is welded to the interior of the fixing frame, and an object needing to be welded can be extruded through the extrusion piece, so that the object is fixed; it can be guaranteed that a welded object does not make contact with the inner wall of the welding head, the fixing effect can be provided for the object during welding, and using is very convenient.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of highway brazing technology, especially relates to a hand-held brazing machine for highway maintenance. BACKGROUND

[0002] The brazing machine is a plasma brazing machine, completely replaces traditional brazing equipment, is a new generation of brazing equipment without combustible gas, adopts IGBT inverter control principle, flame is very stable during welding, the whole equipment is light and convenient, is suitable for outdoor welding, and when guardrails or signboards on the highway need to be welded and maintained, a hand-held brazing machine for highway maintenance can be used for maintenance.

[0003] The hand-held brazing machine for highway maintenance on the market has the following problems in actual use: the conventional hand-held brazing machine for highway maintenance is not stable during welding and is inconvenient to use when being used because the brazing machine needs to place the welded object in the welding head and ensure that the object does not contact the inner wall of the welding head, and the welding head has a large volume, so that the hand stability is poor when operating the welding head. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a hand-held brazing machine for highway maintenance to solve the technical problems in the background art.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a hand-held brazing machine for highway maintenance, comprising a welding machine body and a welding head, the welding head is installed on the surface of the welding machine body, the surface of the welding head is connected with a fixing frame, a fixed rod is welded in the fixing frame, a limiting sleeve is welded at the other end of the fixed rod, a groove is formed in the limiting sleeve, an extrusion piece is arranged in the groove, a first internal thread seat is fixedly connected to the surface of the limiting sleeve, a push rod is sleeved in the first internal thread seat, an external thread is formed on the surface of the push rod, a fixed piece is welded on the top of the extrusion piece, a limiting rod is welded on the surface of the fixed piece, the limiting rod penetrates through the limiting sleeve, and the extrusion pieces are symmetrically distributed.

[0006] Preferably, a second external thread rod is welded on the surface of the welding head, the second external thread rod is symmetrically distributed, the second external thread rod penetrates through the fixing frame, a second nut is sleeved on the surface of the second external thread rod, the second nut is attached to the top of the fixing frame, and a control handle is welded on the surface of the welding head.

[0007] Preferably, the top of the welding machine body is welded with a first external threaded rod, the top of the welding machine body is provided with a fixed plate, the first external threaded rod penetrates through the fixed plate, a first nut is sleeved on the surface of the first external threaded rod, one end of the first nut is attached to the top of the fixed plate, a handle is welded on the top of the fixed plate, and universal wheels are installed on the bottom of the welding machine body.

[0008] Preferably, the top of the welding machine body is provided with a snap ring, the surface of the snap ring is fixedly connected with a second internal threaded seat, the second internal threaded seat is sleeved with a butterfly bolt in the inside, and the butterfly bolt is in a symmetrical distribution form.

[0009] Preferably, the top of the welding machine body is welded with a clamping block, the clamping block is in a symmetrical distribution form, the bottom of the snap ring is welded with a support frame, a clamping groove is formed in the surface of the support frame, and the clamping block is clamped in the inside of the clamping groove.

[0010] Preferably, the limiting rod is in a symmetrical distribution form, the other end of the limiting rod is welded with a baffle, and one end of the push rod is welded with a rotating plate.

[0011] The hand-held brazing machine for highway maintenance has the following advantages: the hand-held brazing machine for highway maintenance is provided with a welding head installed on the surface of the welding machine body, a fixing frame connected with the surface of the welding head, a fixing rod welded in the inside of the fixing frame, a limiting sleeve welded on the other end of the fixing rod, a groove formed in the inside of the limiting sleeve, an extrusion piece arranged in the groove, a first internal threaded seat fixedly connected with the surface of the limiting sleeve, a push rod sleeved in the inside of the first internal threaded seat, a fixing piece welded on the top of the extrusion piece, and a limiting rod welded on the surface of the fixing piece, wherein the other end of the limiting rod penetrates through the limiting sleeve; when the brazing machine is used, the object to be welded can be inserted into the inside of the welding head from the inside of the limiting sleeve, the inner wall of the limiting sleeve is smaller in diameter than the inner wall of the welding head, the limiting sleeve can provide limiting effect for the object, the object will not contact the inner wall of the welding head, when the diameter of the object is smaller than the diameter of the inside of the limiting sleeve, the push rod can be rotated, the push rod can be moved on the basis of the external thread on the surface of the push rod and the first internal threaded seat, the extrusion piece is pushed, the extrusion piece moves towards the inside, the movable range of the inside of the limiting sleeve is reduced, the limiting effect for the object is provided, when the object needs to be fixed, the object to be welded can be extruded by the extrusion piece, the object is fixed, when the brazing machine is used, the object to be welded will not contact the inner wall of the welding head, the fixing effect for the object during welding is provided, and the brazing machine is very convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as limiting 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.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0014] Figure 2 It is a schematic diagram of the clamping block structure of the present application;

[0015] Figure 3 It is a schematic diagram of the fixed frame structure of the present application;

[0016] Figure 4 It is a schematic diagram of the clamping ring structure of the present application;

[0017] Figure 5 It is a schematic diagram of the Figure 3 It is an enlarged view of part A.

[0018] Marked in the figure: 1, welding machine body; 2, welding head; 3, control handle; 4, fixed frame; 5, fixed rod; 6, limiting sleeve; 7, extruded sheet; 8, push rod; 9, first internal threaded seat; 10, rotating plate; 11, fixed sheet; 12, limiting rod; 13, groove; 14, baffle; 15, clamping ring; 16, support frame; 17, clamping groove; 18, clamping block; 19, second internal threaded seat; 20, butterfly bolt; 21, first external threaded rod; 22, first nut; 23, fixed plate; 24, handle; 25, universal wheel; 26, second external threaded rod; 27, second nut. DETAILED DESCRIPTION

[0019] In the following, only some exemplary embodiments are simply described. As those skilled in the art can realize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0020] In the description of the embodiments of the present application, it should be 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 present application 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 limiting the embodiments of the present application.

[0021] In addition, the terms "first", "second", etc. are used only for the purpose of description and should not be understood as indicating or implying relative importance or implying a number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically defined.

[0022] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements. For those 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.

[0023] 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.

[0024] In order to better understand the purpose, structure and function of the present application, the handheld brazing machine for highway maintenance will be further described in detail below in combination with the drawings.

[0025] As Figures 1-5As shown, the utility model provides a hand -held type brazing machine for highway maintenance, including welding machine body 1 and welding head 2, welding head 2 is installed on the surface of welding machine body 1, welding head 2 surface is connected with fixed frame 4, fixed frame 4 inside is welded with fixed rod 5, the other end of fixed rod 5 is welded with limiting sleeve 6, recess 13 is set up in the inside of limiting sleeve 6, by installing limiting sleeve 6, when using the welding machine, the object that needs to be welded can be inserted into the inside of welding head 2 from the inside of limiting sleeve 6, and the inner wall of limiting sleeve 6 is smaller than the diameter of the inner wall of welding head 2, at this time, limiting sleeve 6 can provide limiting effect for the object, so that the object does not contact the inner wall of welding head 2, extrusion piece 7 is arranged in recess 13, limiting sleeve 6 surface is fixedly connected with first internal thread seat 9, push rod 8 is sleeved in the inside of first internal thread seat 9, external thread is set up on the surface of push rod 8, extrusion piece 7 top is welded with fixed piece 11, fixed piece 11 surface is welded with limiting rod 12, limiting rod 12 other end penetrates limiting sleeve 6, extrusion piece 7 is symmetrically distributed, by installing extrusion piece 7 and push rod 8, when the diameter of the object is smaller than the diameter in the inside of limiting sleeve 6, push rod 8 can be rotated, on the basis of the external thread on the surface of push rod 8 and first internal thread seat 9, push rod 8 can be moved, thereby pushing extrusion piece 7, at this time, extrusion piece 7 moves to the inside, thereby reducing the movable range in the inside of limiting sleeve 6, and providing limiting effect for the object, at the same time, when the object needs to be fixed, the object that needs to be welded can be extruded by extrusion piece 7, thereby fixing the object, at this time, when using the welding machine, the object that is welded can not contact the inner wall of welding head 2, and the fixing effect for the object when welding can be provided, which is very convenient to use.

[0026] Welding head 2 surface is welded with second external thread rod 26, second external thread rod 26 is symmetrically distributed, second external thread rod 26 penetrates fixed frame 4, second external thread rod 26 surface is sleeved with second nut 27, second nut 27 bottom is attached to the top of fixed frame 4, welding head 2 surface is welded with control handle 3, by installing second external thread rod 26, when installing fixed frame 4, second external thread rod 26 can penetrate fixed frame 4, then second nut 27 can be sleeved on the surface of second external thread rod 26, until one end of second nut 27 is attached to the top of fixed frame 4, at this time, fixed frame 4 can be provided with installation fixed effect, which can guarantee the stability of fixed frame 4 when used.

[0027] Welding machine body 1 top is welded with first external thread rod 21, welding machine body 1 top is provided with fixed plate 23, first external thread rod 21 penetrates fixed plate 23, first external thread rod 21 surface is sleeved with first nut 22, one end of first nut 22 is attached to the top of fixed plate 23, fixed plate 23 top is welded with handle 24, welding machine body 1 bottom is installed with universal wheel 25, by installing handle 24 and universal wheel 25, when the welding machine needs to be moved, handle 24 can be used as the force point, universal wheel 25 can be used as the support point, the welding machine can be directly pushed, which is very convenient to move.

[0028] The top of the welding machine body 1 is provided with a snap ring 15, the surface of which is fixedly connected with a second internal threaded seat 19, the inside of which is sleeved with butterfly bolts 20, which are symmetrically distributed. By installing the snap ring 15 and the butterfly bolts 20, when the welding head 2 is not in use, the welding head 2 can be placed inside the snap ring 15. Then, by rotating the butterfly bolts 20, under the action of the second internal threaded seat 19, the butterfly bolts 20 can extrude the welding head 2, so as to fix the welding head 2 inside the snap ring 15, thereby providing storage effect for the welding head 2 when in use.

[0029] The top of the welding machine body 1 is provided with a snap ring 15, the surface of which is fixedly connected with a second internal threaded seat 19, the inside of which is sleeved with butterfly bolts 20, which are symmetrically distributed. By installing the snap ring 15 and the butterfly bolts 20, when the welding head 2 is not in use, the welding head 2 can be placed inside the snap ring 15. Then, by rotating the butterfly bolts 20, under the action of the second internal threaded seat 19, the butterfly bolts 20 can extrude the welding head 2, so as to fix the welding head 2 inside the snap ring 15, thereby providing storage effect for the welding head 2 when in use.

[0030] The limiting rods 12 are symmetrically distributed, and the other ends of the limiting rods 12 are welded with stop sheets 14. One end of the push rod 8 is welded with a rotating plate 10. By installing the limiting rods 12, the limiting rods 12 can provide limiting effect for the extrusion sheet 7, so that the extrusion sheet 7 will not be separated from the limiting sleeve 6, thereby ensuring the stability of the extrusion sheet 7 when in use.

[0031] The working principle of the handheld brazing machine for highway maintenance is as follows: when the brazing machine is used, the fixing frame 4 should be installed first, at this time the second external threaded rod 26 can be inserted through the fixing frame 4, then the second nut 27 can be sleeved on the surface of the second external threaded rod 26, until the end of the second nut 27 is attached to the top of the fixing frame 4, at this time the fixing frame 4 can be provided with the installation fixing effect, then the clamping ring 15 is installed, when the clamping ring 15 is installed, the clamping block 18 can be directly clamped in the clamping groove 17 of the supporting frame 16, at this time the clamping ring 15 can be provided with the clamping fixing effect, then the welding head 2 can be placed in the clamping ring 15, then the butterfly bolt 20 can be rotated, under the action of the second internal threaded seat 19, the butterfly bolt 20 can press the welding head 2, so that the welding head 2 is fixed in the clamping ring 15, which can provide storage effect for the welding head 2 during use, then the brazing machine can be used, when the brazing machine is used, the handle 24 can be used as the force point and the universal wheel 25 can be used as the support point, the brazing machine can be directly pushed to move to the appropriate position, then the welding head 2 is taken out of the clamping ring 15, then the brazing machine can be directly used, when the brazing machine is used, the welding head 2 is installed on the surface of the brazing machine body 1, at the same time the fixing frame 4 is connected to the surface of the welding head 2, the fixing rod 5 is welded in the fixing frame 4, and the limiting sleeve 6 is welded at the other end of the fixing rod 5, the limiting sleeve 6 is located at the top of the welding head 2, the recess 13 is formed in the limiting sleeve 6, the pressing piece 7 is arranged in the recess 13, the first internal threaded seat 9 is fixedly connected to the surface of the limiting sleeve 6, the push rod 8 is sleeved in the first internal threaded seat 9, the fixed piece 11 is welded at the top of the pressing piece 7, the limiting rod 12 is welded on the surface of the fixed piece 11, and the other end of the limiting rod 12 penetrates through the limiting sleeve 6, at this time the pressing piece 7 is symmetrically distributed, when the brazing machine is used, the object to be welded can be inserted into the welding head 2 from the inside of the limiting sleeve 6, the inner wall of the limiting sleeve 6 is smaller in diameter than the inner wall of the welding head 2, at this time the limiting sleeve 6 can provide limiting effect for the object, so that the object does not contact the inner wall of the welding head 2, when the diameter of the object is smaller than the diameter of the limiting sleeve 6, the push rod 8 can be rotated, based on the external threads on the surface of the push rod 8 and the first internal threaded seat 9, the push rod 8 can be moved, so as to push the pressing piece 7, at this time the pressing piece 7 moves inward, thereby reducing the movable range of the limiting sleeve 6, and providing limiting effect for the object, at the same time, when the object needs to be fixed, the pressing piece 7 can press the object to be welded, so as to fix the object, at this time when the brazing machine is used, the object to be welded can be prevented from contacting the inner wall of the welding head 2, and the object can be provided with the fixing effect during welding, which is very convenient to use.

[0032] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows 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 application belong to the scope protected by the utility model.

Claims

1. A hand-held soldering machine for motorway maintenance, comprising a machine body (1) and a soldering tip (2), the soldering tip (2) being surface-mounted to the machine body (1), characterised in that: The welding head (2) surface connection fixed frame (4), the fixed frame (4) inside welding fixed rod (5), the fixed rod (5) the other end welding limiting sleeve (6), the limiting sleeve (6) inside recess (13) is set up, the recess (13) inside sets up extrusion piece (7), the limiting sleeve (6) surface fixed connection first internal thread seat (9), the first internal thread seat (9) inside sleeve joint push rod (8), the push rod (8) surface is set up external thread, the extrusion piece (7) top welding fixed piece (11), the fixed piece (11) surface welding limiting rod (12), the limiting rod (12) the other end penetrates limiting sleeve (6), the extrusion piece (7) is symmetrically distributed.

2. The hand-held brazing machine for highway repair of claim 1, wherein: The welding head (2) surface welding second external thread rod (26), the second external thread rod (26) is symmetrically distributed, the second external thread rod (26) penetrates fixed frame (4), the second external thread rod (26) surface sleeve joint second nut (27), the second nut (27) bottom is attached to the top of fixed frame (4), the welding head (2) surface welding control handle (3).

3. The hand-held brazing machine for highway repair of claim 1, wherein: The welding machine body (1) top welding first external thread rod (21), the welding machine body (1) top is equipped with fixed plate (23), the first external thread rod (21) penetrates fixed plate (23), the first external thread rod (21) surface sleeve joint first nut (22), one end of the first nut (22) is attached to the top of fixed plate (23), the fixed plate (23) top welding handle (24), the welding machine body (1) bottom installs universal wheel (25).

4. The hand-held brazing machine for highway repair of claim 1, wherein: The welding machine body (1) top is equipped with snap ring (15), the snap ring (15) surface fixed connection second internal thread seat (19), the second internal thread seat (19) inside sleeve joint butterfly bolt (20), the butterfly bolt (20) is symmetrically distributed.

5. The hand-held brazing machine for highway repair of claim 4, wherein: The welding machine body (1) top welding has the clamping block (18), the clamping block (18) is symmetrically distributed, the snap ring (15) bottom welding support frame (16), the support frame (16) surface is set up clamping groove (17), the clamping groove (17) inside clamping clamping block (18).

6. The hand-held brazing machine for highway repair of claim 1, wherein: The limiting rod (12) is symmetrically distributed, the limiting rod (12) the other end welding baffle (14), the push rod (8) one end welding turnplate (10).