CN219986625U - Welding device - Google Patents

Abstract

The utility model provides a welding device, comprising: a base; the two ends of the base in the length direction are a first end and a second end respectively; the movable assembly is movably arranged on the second end of the base and is close to or far away from the first end; the first clamping assembly is rotatably arranged on the first end of the base; the second clamping assembly is rotatably arranged on the movable assembly; a carrier; an adjustment assembly adjustably disposed on the carrier; the welding gun assembly is used for welding the track shoe; the track shoe rotates along with the first clamping assembly and the second clamping assembly so as to turn over; the base is provided with a length direction and a width direction which are mutually perpendicular in the horizontal direction, and the adjusting assembly drives the welding gun assembly to move to a designated position in the length direction and/or the width direction and then is fixedly arranged. The utility model realizes effective adaptation and reliable fixation of the track shoes with different lengths, meets the requirement of turning the track shoes during welding, and further improves the welding efficiency.

Description

Welding device

Technical Field

The utility model relates to the technical field of welding equipment, in particular to a welding device.

Background

At present, the repair welding work of the track shoes (such as the track shoes which are connected end to form the whole track) of the track engineering equipment is completed manually, the annual maintenance amount is at least about 4000, so that the daily welding workload is larger, and the number of times of repair welding of the track shoes is increased along with the increase of the running time and the workload of the equipment, and the welding repair workload is also increased.

The existing welding device for welding the track plate cannot turn over the track plate in time in the welding process and cannot adjust the position of a welding gun with high precision (usually, a welder manually adjusts the position of the welding gun), so that on one hand, the efficiency of welding the track plate is low, and the welding repair speed cannot meet the requirement of gradually increasing repair quantity; on the other hand, the welding precision of the track shoe is lower, so that the welding quality of the track shoe is poor, and the actual quality requirement cannot be met.

Disclosure of Invention

The utility model provides a welding device, which aims to solve the problem that the welding efficiency and welding quality of a track shoe are lower because the track shoe cannot be turned over and the position of a welding gun cannot be accurately adjusted when the track shoe is welded by the welding device in the prior art.

In order to solve the above problems, the present utility model provides a welding device which can be used for welding track shoes, the welding device comprising: the base is fixedly arranged; the two ends of the base in the length direction are a first end and a second end respectively; the movable assembly is movably arranged on the second end of the base and is close to or far away from the first end; the first clamping assembly is rotatably arranged on the first end of the base and is used for clamping one end of the track shoe; the second clamping assembly is rotatably arranged on the movable assembly and used for clamping the other end of the track plate; the bearing frame is arranged above the base; an adjustment assembly adjustably disposed on the carrier; the welding gun assembly is used for welding the track shoe; the welding gun assembly is arranged on the adjusting assembly; the track shoe rotates along with the first clamping assembly and the second clamping assembly so as to turn over; the base is provided with a length direction and a width direction which are mutually perpendicular in the horizontal direction, and the adjusting assembly drives the welding gun assembly to move to a designated position in the length direction and/or the width direction and then is fixedly arranged.

Further, the adjusting assembly includes: the first lead screw is rotatably arranged on the bearing frame, and the extending direction of the first lead screw is parallel to the length direction; the first transmission part is arranged on the first screw rod and is in transmission connection with the first screw rod so as to reciprocate in a linear motion along the extending direction of the first screw rod; one end of the second lead screw is movably arranged on the bearing frame, and the other end of the second lead screw is rotationally connected with the first transmission part; the extending direction of the second screw rod is parallel to the width direction; the second transmission part is arranged on the second screw rod and is in transmission connection with the second screw rod so as to reciprocate in a linear motion along the extending direction of the second screw rod; wherein, the welding gun assembly is arranged on the second transmission part; the first lead screw is rotated to drive the first transmission part, the second lead screw, the second transmission part and the welding gun assembly to move along the length direction at the same time; and the second transmission part and the welding gun assembly are driven to move along the width direction simultaneously by rotating the second lead screw.

Further, the adjusting assembly further comprises: the third transmission part is arranged on the first screw rod and is in transmission connection with the first screw rod so as to reciprocate in a linear motion along the extending direction of the first screw rod; one end of the guide rod is arranged on the third transmission part, and the other end of the guide rod is slidably arranged on the bearing frame; a guide member slidably disposed on the guide rod; wherein, the extending direction of the guide rod is parallel to the width direction; the guide piece is connected with the second transmission part to restrict the second transmission part to reciprocate in a linear motion along the extending direction of the second lead screw.

Further, the bearing frame comprises a frame body, a first sliding block and a second sliding block; the frame body is provided with a chute, and the extending direction of the chute is parallel to the length direction; the first sliding block and the second sliding block are respectively in sliding fit with the sliding groove and respectively move along the extending direction of the sliding groove; one end of the second screw rod is rotationally connected with the first sliding block; the other end of the guide rod is connected with the second sliding block; the first lead screw is rotatably arranged on the frame body.

Further, the adjusting assembly further comprises a first adjusting handle and a second adjusting handle, and the first adjusting handle is connected with the first screw rod so as to rotate the first screw rod; the second adjusting handle is connected with the second screw rod so as to rotate the second screw rod.

Further, the movable assembly includes: the driving motor is arranged on the base; the transmission screw rod is connected with a rotating shaft of the driving motor; the sliding frame is in transmission connection with the transmission screw rod so as to reciprocate in a linear motion along the extending direction of the transmission screw rod; the support plate is arranged on the sliding frame; the second clamping assembly is rotatably arranged on the supporting plate; the base is provided with a guide groove, and the extending direction of the guide groove is parallel to the length direction; the sliding frame is in sliding fit with the guide groove, and the guide groove restricts the sliding frame to reciprocate in a linear motion along the extending direction of the transmission screw.

Further, two guide grooves are arranged on the base at intervals, the sliding frame is of a U-shaped frame structure, and two sides of the U-shaped frame structure respectively penetrate through the two guide grooves and are respectively in sliding fit with the two guide grooves; two sides of the U-shaped frame structure are respectively connected with the supporting plates so as to bear the supporting plates; the middle part of the U-shaped frame structure is connected with a transmission screw rod in a transmission way.

Further, the first clamping assembly and the second clamping assembly are identical in structure, and each of the first clamping assembly and the second clamping assembly comprises: one end of the support column is rotatably arranged; the rotating frame is arranged at the other end of the supporting column; the clamping piece is adjustably arranged on the rotating frame; the distance between the clamping piece and the rotating frame is adjusted so as to clamp and fix or loosen one end of the track plate through the clamping piece and the rotating frame together.

Further, the welding device further comprises an adjusting hand wheel, and the adjusting hand wheel is connected with the first clamping assembly to rotate with the first clamping assembly.

Further, the welding gun assembly includes: the welding head is used for welding the track shoe; one end of the telescopic part is electrically connected with the welding head, and the other end of the telescopic part is electrically connected with an external power supply; wherein, the telescopic part is arranged on the adjusting component; the length of the telescoping portion is adjustable to adjust the welding head toward or away from the track shoe.

By applying the technical scheme of the utility model, the utility model provides a welding device which can be used for welding track shoes, and the welding device comprises: the base is fixedly arranged; the two ends of the base in the length direction are a first end and a second end respectively; the movable assembly is movably arranged on the second end of the base and is close to or far away from the first end; the first clamping assembly is rotatably arranged on the first end of the base and is used for clamping one end of the track shoe; the second clamping assembly is rotatably arranged on the movable assembly and used for clamping the other end of the track plate; the bearing frame is arranged above the base; an adjustment assembly adjustably disposed on the carrier; the welding gun assembly is used for welding the track shoe; the welding gun assembly is arranged on the adjusting assembly; the track shoe rotates along with the first clamping assembly and the second clamping assembly so as to turn over; the base is provided with a length direction and a width direction which are mutually perpendicular in the horizontal direction, and the adjusting assembly drives the welding gun assembly to move to a designated position in the length direction and/or the width direction and then is fixedly arranged. According to the utility model, by arranging the movable assembly, the first clamping assembly and the second clamping assembly, effective adaptation and reliable fixation of track shoes with different lengths are realized, flexible overturning of the track shoes is realized, the overturning requirement during welding is met, and the welding efficiency is further improved; the welding gun assembly is driven to move to the designated position in the length direction and/or the width direction through the adjusting assembly, and then the welding gun is fixedly arranged, and compared with a manual holding welding gun for adjusting, the position of the welding gun can be accurately adjusted, and therefore the welding quality of the track shoe is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic view showing an external structure of a welding device according to an embodiment of the present utility model;

FIG. 2 shows a specific structural schematic diagram of an adjustment assembly provided by an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing a specific structure of a movable assembly according to an embodiment of the present utility model;

fig. 4 is a schematic view showing a part of the structure of a welding device according to an embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

10. a base; 11. a guide groove;

20. a movable assembly; 21. a driving motor; 22. a transmission screw; 23. a carriage; 24. a support plate;

30. a first clamping assembly;

40. a second clamping assembly; 41. a support column; 42. a rotating frame; 43. a clamping member;

50. a carrier; 51. a frame body; 52. a first slider; 53. a second slider;

60. a welding gun assembly;

70. an adjustment assembly; 71. a first lead screw; 72. a first transmission part; 73. a second lead screw; 74. a second transmission part; 75. a third transmission part; 76. a guide rod; 77. a guide member; 78. a first adjustment handle; 79. a second adjustment handle;

80. and an adjusting hand wheel.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, an embodiment of the present utility model provides a welding apparatus usable for welding track shoes, the welding apparatus including:

a base 10 fixedly arranged; the two ends of the base 10 in the length direction are a first end and a second end respectively;

a movable assembly 20 movably disposed on the second end of the base 10 to be close to or far from the first end;

a first clamping assembly 30 rotatably disposed on a first end of the base 10 for clamping one end of a track shoe;

a second clamping assembly 40 rotatably disposed on the movable assembly 20 for clamping the other end of the track shoe;

a carrier 50 disposed above the base 10;

an adjustment assembly 70 adjustably disposed on the carrier 50;

a welding gun assembly 60 for welding track shoes; the welding gun assembly 60 is disposed on the adjustment assembly 70;

wherein the track shoe follows the first clamping assembly 30 and the second clamping assembly 40 to turn over; the base 10 has a longitudinal direction and a width direction perpendicular to each other in the horizontal direction, and the adjusting assembly 70 drives the welding gun assembly 60 to move to a designated position in the longitudinal direction and/or the width direction and then is fixedly arranged.

According to the utility model, by arranging the movable assembly 20, the first clamping assembly 30 and the second clamping assembly 40, effective adaptation and reliable fixation of track shoes with different lengths are realized, flexible overturning of the track shoes is realized, the overturning requirement during welding is met, and the welding efficiency is further improved; through setting up adjusting part 70 and driving welder subassembly 60 in length direction and/or width direction and moving fixed setting behind the assigned position, compare the manual work and hold the mode that welder adjusted for welder position can realize accurate regulation, and then has improved the welding quality of track shoe.

As shown in fig. 2, the adjustment assembly 70 includes:

the first lead screw 71 is rotatably arranged on the bearing frame 50, and the extending direction of the first lead screw 71 is parallel to the length direction;

a first transmission part 72 provided on the first screw 71 and connected to the first screw 71 in a transmission manner so as to reciprocate in a linear manner along the extending direction of the first screw 71;

a second screw 73, one end of which is movably provided on the carrier 50, and the other end of which is rotatably connected to the first transmission part 72; the extending direction of the second screw 73 is parallel to the width direction;

a second transmission part 74 provided on the second screw 73 and connected to the second screw 73 in a transmission manner so as to reciprocate in a linear manner along the extending direction of the second screw 73;

wherein the welding gun assembly 60 is disposed on the second transmission 74; by rotating the first screw 71, the first transmission part 72, the second screw 73, the second transmission part 74 and the welding gun assembly 60 are driven to move along the length direction at the same time; by rotating the second screw 73, the second transmission portion 74 and the welding gun assembly 60 are driven to move in the width direction at the same time. By the arrangement, the high-precision adjustment of the adjusting assembly 70 to the welding gun assembly 60 (for example, the adjustment precision of the screw rod is higher than that of manual holding adjustment) is ensured, the structure of the adjusting assembly 70 is simplified, and the cost is further reduced.

As shown in fig. 2, the adjustment assembly 70 further includes:

a third transmission part 75 provided on the first screw 71 and connected to the first screw 71 in a transmission manner so as to reciprocate in a linear manner in the extending direction of the first screw 71;

a guide bar 76 having one end provided on the third transmission part 75 and the other end slidably provided on the carrier 50;

a guide 77 slidably provided on the guide bar 76;

wherein the extending direction of the guide bar 76 is parallel to the width direction; the guide 77 is connected to the second transmission part 74 to restrict the second transmission part 74 from reciprocating rectilinear motion in the extending direction of the second screw 73. By providing the third transmission portion 75, the guide bar 76, and the guide 77, the movement of the gun assembly 60 in the width direction is further restrained, the deformation of the second screw 73 is reduced, and the carrying capacity for the large-mass gun assembly 60 is improved.

As shown in fig. 1 and 2, the carrier 50 includes a frame body 51, a first slider 52, and a second slider 53; the frame 51 is provided with a chute, and the extending direction of the chute is parallel to the length direction; the first sliding block 52 and the second sliding block 53 are respectively in sliding fit with the sliding groove and respectively move along the extending direction of the sliding groove; one end of the second screw 73 is rotatably connected with the first slider 52; the other end of the guide rod 76 is connected with the second slider 53; the first screw 71 is rotatably provided on the frame 51. By the arrangement, the sliding freedom degree of the second lead screw 73 and the guide rod 76 on the frame body 51 is guaranteed, the structure of the bearing frame 50 is simple, and subsequent maintenance is facilitated.

As shown in fig. 2, the adjustment assembly 70 further includes a first adjustment handle 78 and a second adjustment handle 79, the first adjustment handle 78 being coupled to the first screw 71 to rotate the first screw 71; the second adjustment handle 79 is connected to the second screw 73 to rotate the second screw 73. By providing the first and second adjustment handles 78, 79, manual adjustment of the first and second lead screws 71, 73 by a worker is further facilitated.

It should be noted that: when the first screw rod 71 and the second screw rod 73 are difficult to rotate manually, a motor can be arranged to drive the first screw rod 71 and the second screw rod 73 to rotate respectively, a button or a knob is arranged to control the motor to work, and a worker can flexibly adjust the rotation of the first screw rod 71 and the second screw rod 73 only by controlling the button or the knob, so that the position of the welding gun assembly 60 is adjusted.

As shown in fig. 3, the movable assembly 20 includes:

a driving motor 21 provided on the base 10;

the transmission screw 22 is connected with a rotating shaft of the driving motor 21;

a carriage 23, which is in driving connection with the driving screw 22 to reciprocate in a linear motion along the extending direction of the driving screw 22; a support plate 24 provided on the carriage 23; the second clamping assembly 40 is rotatably disposed on the support plate 24;

wherein, the base 10 is provided with a guide groove 11, and the extending direction of the guide groove 11 is parallel to the length direction; the carriage 23 is slidably engaged with the guide groove 11, and the guide groove 11 restricts the carriage 23 from reciprocating rectilinear motion in the extending direction of the drive screw 22. This arrangement ensures operational reliability and structural simplicity of the movable assembly 20.

As shown in fig. 3, two guide grooves 11 are arranged on the base 10 at intervals, the sliding frame 23 is of a U-shaped frame structure, and two sides of the U-shaped frame structure respectively pass through the two guide grooves 11 and are respectively in sliding fit with the two guide grooves 11; two sides of the U-shaped frame structure are respectively connected with the supporting plate 24 to bear the supporting plate 24; the middle part of the U-shaped frame structure is in transmission connection with a transmission screw 22. Through setting up two guide slots 11 respectively with U type frame structure cooperation work for backup pad 24 motion is reliable and steady, makes the focus of movable assembly 20 reasonable in distribution simultaneously, is difficult for empting when bearing the track shoe of big quality, has improved the security when welding.

Alternatively, as shown in fig. 4, the first clamping assembly 30 and the second clamping assembly 40 are identical in structure, and each includes: a support column 41 having one end rotatably provided; a rotating frame 42 provided at the other end of the support column 41; a clamping member 43 adjustably provided on the turret 42; wherein the interval between the clamping member 43 and the turret 42 is adjusted to clamp and fix or unclamp one end of the track shoe by the clamping member 43 together with the turret 42. By arranging the first clamping assembly 30 and the second clamping assembly 40 to have the same structure, the subsequent unified replacement and purchase are facilitated; by providing the support column 41, the turret 42 and the clamping member 43, the structure of the first clamping assembly 30 and the second clamping assembly 40 tends to be simplified, and the installation and purchase are facilitated, and the cost is low.

In one embodiment of the present utility model, as shown in fig. 4, the clamping member 43 is adjustably disposed on the turret 42 by symmetrically disposed bolts (e.g., two symmetrically disposed bolts).

As shown in fig. 1 and 4, the welding apparatus further includes an adjusting hand wheel 80, and the adjusting hand wheel 80 is connected to the first clamping assembly 30 to rotate with the first clamping assembly 30. By arranging the adjusting hand wheel 80, a worker can rapidly rotate the track shoe during welding, and then rapid turning operation is realized.

It should be noted that: in a specific embodiment of the present utility model, the adjusting hand wheel 80 has a self-locking function, that is, when a worker rotates the adjusting hand wheel 80 to a desired position, the adjusting hand wheel 80 and the track shoe are fixedly arranged by locking the adjusting hand wheel 80, so that subsequent welding is facilitated. For example: the adjusting hand wheel 80 is provided with a plurality of positioning holes which are arranged at intervals, the base 10 is correspondingly provided with a plurality of threaded holes, and when the adjusting hand wheel 80 needs to be fixed, a bolt penetrates through the positioning holes and is matched with the threaded holes, so that the rotational freedom degree of the adjusting hand wheel 80 is effectively restrained.

Specifically, the welding gun assembly 60 includes: the welding head is used for welding the track shoe; one end of the telescopic part is electrically connected with the welding head, and the other end of the telescopic part is electrically connected with an external power supply; wherein the telescoping portion is disposed on the adjustment assembly 70; the length of the telescoping portion is adjustable to adjust the welding head toward or away from the track shoe. Through setting up the expansion portion for the soldered connection can be further close to or keep away from the grip-pad, the staff of being convenient for welds.

It should be noted that: in a specific embodiment of the present utility model, the telescopic part adopts a common telescopic tube design (similar to a telescopic metal hose which can be fixed at any time, and is common to an air duct structure or an adjustable desk lamp structure of a household range hood), the telescopic tube can be telescopic under the action of external force, the length of the telescopic tube can be fixed under the action of no external force, and a circuit structure required by the welding head is arranged in the telescopic tube so as to realize the functions.

The specific working principle of the welding device provided by the utility model is now described in detail: when the track shoe is used, firstly, the track shoe to be welded is placed between the first clamping component 30 and the second clamping component 40, and the track shoe is restrained and fixed in the length direction by adjusting the movable component 20 (for example, controlling the driving motor 21 to rotate and adjusting the positions of the sliding frame 23 and the supporting plate 24 through the transmission screw 22); then, the first clamping assembly 30 and the second clamping assembly 40 are adjusted (for example, the clamping piece 43 is adjusted to clamp the two ends of the track plate between the clamping piece 43 and the rotating frame 42 respectively) so that the two ends of the track plate are clamped and fixed respectively; turning the track shoe to a desired angle and fixing by turning the adjustment handwheel 80; by adjusting the adjusting assembly 70, the position of the welding gun assembly 60 is accurately moved to a designated position, so that high-quality welding is realized; after one face of the track shoe is welded, the adjusting hand wheel 80 is rotated, the other face of the track shoe is turned towards a worker, and after turning is completed, the next welding operation is performed.

In summary, the utility model provides a welding device, by arranging the movable assembly 20, the first clamping assembly 30 and the second clamping assembly 40, the utility model realizes effective adaptation and reliable fixation of track shoes with different lengths, realizes flexible overturning of the track shoes, meets the overturning requirement during welding, and further improves the welding efficiency; through setting up adjusting part 70 and driving welder subassembly 60 in length direction and/or width direction and moving fixed setting behind the assigned position, compare the manual work and hold the mode that welder adjusted for welder position can realize accurate regulation, and then has improved the welding quality of track shoe.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A welding device operable to weld track shoes, the welding device comprising:

a base (10) fixedly arranged; the two ends of the base (10) in the length direction are a first end and a second end respectively;

a movable assembly (20) movably disposed on the second end of the base (10) to be adjacent to or remote from the first end;

a first clamping assembly (30) rotatably disposed on a first end of the base (10) for clamping one end of the track shoe;

a second clamping assembly (40) rotatably arranged on the movable assembly (20) and used for clamping the other end of the track plate;

a carrier (50) arranged above the base (10);

an adjustment assembly (70) adjustably disposed on the carrier (50);

a welding gun assembly (60) for welding the track shoe; the welding gun assembly (60) is arranged on the adjusting assembly (70);

wherein the track shoe follows the first clamping assembly (30) and the second clamping assembly (40) to turn over; the base (10) is provided with a length direction and a width direction which are perpendicular to each other in the horizontal direction, and the adjusting assembly (70) drives the welding gun assembly (60) to move to a designated position in the length direction and/or the width direction and then is fixedly arranged.

2. The welding device according to claim 1, wherein the adjustment assembly (70) comprises:

a first screw (71) rotatably provided on the carrier (50), and the extending direction of the first screw (71) is parallel to the longitudinal direction;

a first transmission part (72) which is arranged on the first screw rod (71) and is in transmission connection with the first screw rod (71) so as to reciprocate in a linear motion along the extending direction of the first screw rod (71);

a second screw (73), one end of which is movably arranged on the bearing frame (50), and the other end of which is rotatably connected with the first transmission part (72); the extending direction of the second screw (73) is parallel to the width direction;

the second transmission part (74) is arranged on the second lead screw (73) and is in transmission connection with the second lead screw (73) so as to reciprocate in a linear motion along the extending direction of the second lead screw (73);

wherein the welding gun assembly (60) is arranged on the second transmission part (74); the first lead screw (71) is rotated to drive the first transmission part (72), the second lead screw (73), the second transmission part (74) and the welding gun assembly (60) to move along the length direction at the same time; and the second transmission part (74) and the welding gun assembly (60) are driven to move along the width direction simultaneously by rotating the second lead screw (73).

3. The welding device according to claim 2, wherein the adjustment assembly (70) further comprises:

a third transmission part (75) which is arranged on the first screw rod (71) and is in transmission connection with the first screw rod (71) so as to reciprocate in a linear motion along the extending direction of the first screw rod (71);

a guide rod (76) having one end provided on the third transmission part (75) and the other end slidably provided on the carrier (50);

a guide member (77) slidably provided on the guide rod (76);

wherein the extending direction of the guide bar (76) is parallel to the width direction; the guide member (77) is connected with the second transmission part (74) to restrict the second transmission part (74) from reciprocating rectilinear motion along the extending direction of the second screw (73).

4. A welding device according to claim 3, characterized in that the carrier (50) comprises a frame body (51), a first slider (52) and a second slider (53); the frame body (51) is provided with a sliding groove, and the extending direction of the sliding groove is parallel to the length direction; the first sliding block (52) and the second sliding block (53) are respectively matched with the sliding groove in a sliding way and respectively move along the extending direction of the sliding groove; one end of the second screw rod (73) is rotationally connected with the first sliding block (52); the other end of the guide rod (76) is connected with the second sliding block (53); the first screw (71) is rotatably arranged on the frame body (51).

5. The welding device according to claim 2, wherein the adjustment assembly (70) further comprises a first adjustment handle (78) and a second adjustment handle (79), the first adjustment handle (78) being connected with the first screw (71) for rotating the first screw (71); the second adjusting handle (79) is connected with the second screw (73) to rotate the second screw (73).

6. Welding device according to claim 1, characterized in that the mobile component (20) comprises:

a drive motor (21) provided on the base (10);

the transmission screw rod (22) is connected with the rotating shaft of the driving motor (21);

a carriage (23) in driving connection with the driving screw (22) to reciprocate in a linear motion along an extending direction of the driving screw (22);

a support plate (24) provided on the carriage (23); the second clamping assembly (40) is rotatably arranged on the supporting plate (24);

wherein, the base (10) is provided with a guide groove (11), and the extending direction of the guide groove (11) is parallel to the length direction; the sliding frame (23) is in sliding fit with the guide groove (11), and the guide groove (11) restricts the sliding frame (23) to reciprocate in a linear mode along the extending direction of the transmission screw rod (22).

7. Welding device according to claim 6, characterized in that the number of the guide grooves (11) is two, the two guide grooves (11) are arranged on the base (10) at intervals, the sliding frame (23) is of a U-shaped frame structure, and two sides of the U-shaped frame structure respectively penetrate through the two guide grooves (11) and are respectively in sliding fit with the two guide grooves (11); both sides of the U-shaped frame structure are respectively connected with the supporting plate (24) so as to bear the supporting plate (24); the middle part of the U-shaped frame structure is in transmission connection with the transmission screw rod (22).

8. The welding device according to claim 1, wherein the first clamping assembly (30) and the second clamping assembly (40) are identical in structure, each comprising:

a support column (41) having one end rotatably provided;

a rotating frame (42) arranged at the other end of the supporting column (41);

a clamping member (43) adjustably provided on the turret (42);

wherein, adjust the interval between clamping piece (43) and rotating turret (42) in order to press from both sides tight fixed or unclamp the one end of track shoe with rotating turret (42) through clamping piece (43).

9. The welding device of claim 1, further comprising an adjustment hand wheel (80), the adjustment hand wheel (80) being coupled to the first clamping assembly (30) for rotation with the first clamping assembly (30).

10. The welding device according to claim 1, wherein the welding gun assembly (60) comprises:

the welding head is used for welding the track shoe;

one end of the telescopic part is electrically connected with the welding head, and the other end of the telescopic part is electrically connected with an external power supply;

wherein the telescoping portion is disposed on the adjustment assembly (70); the length of the telescoping portion is adjustable to adjust the welding head toward or away from the track shoe.