Multidirectional adjusting type highway bridge steel structure full-angle surrounding welding device

Abstract

The invention relates to the technical field of steel structure surrounding welding, and particularly discloses a multi-direction adjusting type highway bridge steel structure full-angle surrounding welding device which comprises a supporting seat structure and a digital display control panel, a welding assembly capable of adjusting welding points up and down is arranged above the supporting seat structure, side supporting rings are arranged on the two sides of the supporting seat structure, and the digital display control panel is arranged on the side supporting rings. Distance adjusting assemblies used for adjusting the distance between the supporting seat structure and the two side supporting rings are arranged between the supporting seat structure and the two side supporting rings correspondingly, and the supporting seat structure is provided with a horizontal distance adjusting assembly capable of horizontally adjusting and moving welding points of the welding assembly. Through mutual cooperation and cooperation of the supporting seat structure, the side supporting ring, the rotary driving assembly, the angle deflection assembly, the welding assembly, the horizontal distance adjusting assembly, the clamping wheel assembly and the like, the butt-joint surrounding welding device can be suitable for butt-joint surrounding welding of a steel structure body at different angles, and in the welding process, the horizontal direction and the welding angle can be conveniently adjusted according to needs.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure circumference welding, and in particular to a multi-directional adjustable full-angle circumference welding device for highway bridge steel structures. Background Art

[0002] With the gradual development of society, the quality and durability of highway bridges are improved, and the life cycle cost is reduced, thereby promoting the construction of steel structure bridges. Steel structure bridges are components of multiple units connected together by splicing and welding. However, due to the heavy and long highway bridges, the welded steel structures are difficult to transport. Therefore, many large components need to be welded at the construction site. A multi-directional adjustable full-angle welding device for highway bridge steel structure with publication number CN118893391A is convenient for flexible application in construction sites with changing conditions, can complete welding at one time, and improves welding efficiency. The device comprises a base plate, a placement table, universal wheels with locks, a mobile frame and a telescopic member. Two placement tables are provided, both of which are fixedly connected to the base plate, and a lifting platform for placing welded steel structure components is provided on the sliding sleeve of the placement table, and a lifting component for driving the lifting platform to slide up and down is provided on the placement table; However, when welding the steel structure, due to the different angles of the butt welds of the steel structure, butt welding at different angles cannot be applied at present, and during the welding process, the horizontal direction and the welding angle are not easy to adjust as needed. Summary of the invention

[0003] The purpose of the present invention is to provide a multi-directional adjustable full-angle welding device for highway bridge steel structure in order to solve the above-mentioned problems and overcome the defects of the prior art, as described in detail below.

[0004] To achieve the above object, the present invention provides the following technical solutions: The present invention provides a multi-directional adjustable full-angle circumference welding device for highway bridge steel structure, comprising a support seat structure and a digital display control panel, wherein a welding assembly capable of adjusting welding points up and down is arranged above the support seat structure, side support rings are arranged on both sides of the support seat structure, and distance adjustment assemblies for adjusting the distance between the support seat structure and the two side support rings are respectively arranged between the support seat structure and the two side support rings, a horizontal distance adjustment assembly capable of horizontally adjusting and moving the welding points of the welding assembly is arranged on the support seat structure, and an angle deflection assembly for driving the welding assembly to perform angle deflection is arranged on the horizontal distance adjustment assembly; An inner rotating ring is rotatably arranged inside each of the side support rings, and a rotating drive assembly for driving the inner rotating ring to rotate therein is arranged on the side support ring. A clamping wheel assembly for clamping and driving the steel structure body is arranged inside the inner rotating ring, and each clamping wheel assembly is provided with a side pressure wheel structure for assisting in adjusting the length direction of the steel structure body and clamping and positioning it.

[0005] Preferably, the inner rotating ring is rotatably arranged in the side support ring through a bearing, and the rotation drive assembly includes a first motor, which is fixedly arranged on the side support ring through a motor seat, and a gear ring is fixedly arranged on the outer side of the end of the inner rotating ring, and a gear is fixedly connected to the output shaft end of the first motor, and the gear and the gear ring are meshed and connected to each other, and the output end of the digital display control panel is electrically connected to the input end of the first motor.

[0006] Preferably, the clamping wheel assembly is provided with two symmetrically distributed around the central axis of rotation of the inner rotating ring, the clamping wheel assembly includes a fourth electric telescopic rod, the fourth electric telescopic rod is fixedly arranged on the inner side wall of the inner rotating ring through a fixing seat, the push rod head end of the fourth electric telescopic rod points to the central axis of the inner rotating ring and is fixedly connected to a lifting seat, the lifting seat is fixedly provided with a fifth electric telescopic rod on the side facing the central axis of the inner rotating ring, the fifth electric telescopic rod adopts a dual-axis electric push rod, the two push rod head ends of the fifth electric telescopic rod are connected to a driving roller structure, and the output end of the digital display control panel is electrically connected to the input ends of the fourth electric telescopic rod and the fifth electric telescopic rod, respectively.

[0007] Preferably, the driving roller structure includes a fourth motor fixedly arranged at the push rod head end of the fifth electric telescopic rod through a second support ear, the output shaft end of the fourth motor is connected to a clamping wheel, a shoulder is arranged on the outer side of one end of the clamping wheel close to the fourth motor, and the output end of the digital display control panel is electrically connected to the input end of the fourth motor.

[0008] Preferably, the side pressure wheel structure includes a wheel frame rod, one end of the wheel frame rod is hinged to the lifting seat, the other end of the wheel frame rod is rotatably provided with a pressure wheel, the outer side of the pressure wheel is provided with an annular groove along its circumferential direction, and the lifting seat is provided with a first electric telescopic rod for driving the wheel frame rod to hinge and rotate, the first electric telescopic rod is hinged to the lifting seat, the push rod head end of the first electric telescopic rod is hinged to the wheel frame rod through a hinge shaft, and the output end of the digital display control panel is electrically connected to the input end of the first electric telescopic rod.

[0009] Preferably, the support seat structure includes a base, two oppositely arranged support plates are fixedly arranged on the upper side of the base, a plurality of support shafts are fixedly connected to each other between the upper sides of the two support plates, and an intermediate support seat is fixedly arranged on the support shaft.

[0010] Preferably, the distance adjustment assembly includes a second electric telescopic rod arranged between the intermediate support seat and the side support ring, and the side support ring is fixedly provided with a first support ear for correspondingly connecting to the push rod head end of the second electric telescopic rod, and the output end of the digital display control panel is electrically connected to the input end of the second electric telescopic rod.

[0011] Preferably, the horizontal distance adjustment component includes a slide groove opened on the upper side of one end of the intermediate support seat, a slider is slidably arranged in the slide groove, the angle deflection component is arranged on the slider, a lead screw is rotatably arranged in the slide groove and threadedly connected to the slider, one end of the lead screw is driven to rotate by a third motor fixed on the intermediate support seat, and the output end of the digital display control panel is electrically connected to the input end of the third motor.

[0012] Preferably, the angle deflection assembly includes a support table, which is fixedly arranged on a slider, a second motor is fixedly arranged on the upper side of the support table, an output shaft end of the second motor is fixedly connected to a sleeve, the welding assembly includes a third electric telescopic rod, the third electric telescopic rod is fixedly arranged in the sleeve, a push rod head end of the third electric telescopic rod faces downward and is connected to a welding head, and the output end of the digital display control panel is electrically connected to the input end of the second motor and the third electric telescopic rod, respectively.

[0013] Preferably, two distance sensors are provided at the push rod head end of the third electric telescopic rod, the distribution connection direction between the two distance sensors and the axial direction of the two side support rings are perpendicular to each other, and the output end of the distance sensor is electrically connected to the input end of the digital display control panel.

[0014] The beneficial effects are: 1. Through the coordination and cooperation between the support seat structure, side support ring, rotary drive assembly, angle deflection assembly, welding assembly, horizontal distance adjustment assembly and clamping wheel assembly, it can be applied to the butt welding of different angles of the steel structure body, and during the welding process, the horizontal direction and welding angle can be easily adjusted according to needs; 2. The fourth electric telescopic rod push rods of the two clamping wheel assemblies are extended or retracted at the same time, thereby adjusting the distance between the clamping wheels of the two clamping wheel assemblies, so that steel structures of different thicknesses and sizes can be clamped and fixed. The clamping wheels and the shoulder blocks on the outer sides of the ends can clamp steel structures with rectangular cross sections as well as steel structures with circular cross sections. 3. The side pressure wheel structure has two functions. The first function is to clamp and fix the steel structure body in conjunction with the clamping wheel assembly to prevent shaking during welding. The second function is to adjust the welding angle of the steel structure body in conjunction with the clamping wheel assembly, that is, to adjust the angle between the length direction of the steel structure body and the central axis of the inner swivel ring; 4. The distance-adjusting assembly can adjust the distance between the middle support seat and the side support ring. When the two side support rings are moved synchronously in the same direction, the displacement of the welding point of the welding assembly on the main steel structure position on the central axis of the inner rotating ring can be adjusted. The distance-adjusting assembly can also move the two side support rings synchronously in the opposite direction, thereby being suitable for supporting and positioning steel structures of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a front view of the present invention; Figure 2 The present invention Figure 1 Left view of; Figure 3 The present invention Figure 1 A first-direction stereogram; Figure 4 The present invention Figure 3 A partial enlarged view of point C; Figure 5 The present invention Figure 1 AA section view; Figure 6 The present invention Figure 5 A partial enlarged view of point D; Figure 7 The present invention Figure 2 BB cross-section diagram; Figure 8 The present invention Figure 1 A second direction stereogram of .

[0017] The accompanying drawings are described as follows: 1. Support seat structure; 101. Base; 102. Support plate; 103. Support shaft; 104. Intermediate support seat; 2. Side support ring; 3. Rotary drive assembly; 301. Gear; 302. Gear ring; 303. First motor; 304. Motor seat; 4. Side pressure wheel structure; 401. First electric telescopic rod; 402. Articulated shaft; 403. Wheel frame rod; 404. Pressure wheel; 405. Annular groove; 5. Distance adjustment assembly; 501. Second electric telescopic rod; 502. First support ear; 6. Angle deflection assembly; 601. Second motor; 602. Sleeve; 6 03. Support table; 7. Welding assembly; 701. Third electric telescopic rod; 702. Welding head; 8. Horizontal distance adjustment assembly; 801. Slide; 802. Sliding block; 803. Third motor; 804. Lead screw; 9. Clamping wheel assembly; 901. Fourth electric telescopic rod; 902. Fixed seat; 903. Lifting seat; 904. Guide rod; 905. Fifth electric telescopic rod; 906. Second ear; 907. Fourth motor; 908. Clamping wheel; 909. Shoulder stop; 10. Inner swivel; 11. Digital display control panel; 12. Steel structure body; 13. Bearing; 14. Distance sensor. DETAILED DESCRIPTION

[0018] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0019] See also Figure 1-Figure 8 As shown, the present invention provides a multi-directional adjustable full-angle circumference welding device for highway bridge steel structure, comprising a support seat structure 1 and a digital display control panel 11, a welding assembly 7 capable of adjusting welding points up and down is arranged above the support seat structure 1, side support rings 2 are arranged on both sides of the support seat structure 1, and distance adjustment assemblies 5 for adjusting the distance between the support seat structure 1 and the two side support rings 2 are respectively arranged between the support seat structure 1 and the two side support rings 2, a horizontal distance adjustment assembly 8 capable of moving the welding points of the welding assembly 7 in a horizontal and vertical direction relative to the moving direction of the side support rings 2 is arranged on the support seat structure 1, and a driving device for angularly deflecting the welding assembly 7 is arranged on the horizontal distance adjustment assembly 8, and the direction is deflected relative to the direction of the line connecting the two side support rings 2; An inner rotating ring 10 is rotatably arranged inside each side support ring 2, and a rotation drive assembly 3 for driving the inner rotating ring 10 to rotate therein is arranged on the side support ring 2. A clamping wheel assembly 9 for clamping and driving the steel structure body 12 is arranged inside the inner rotating ring 10, and each clamping wheel assembly 9 is provided with a side pressure wheel structure 4 for assisting in adjusting the length direction of the steel structure body 12 and clamping and positioning.

[0020] See the instruction manual Figure 2 and Figure 3 As shown, the inner rotating ring 10 is rotatably arranged in the side support ring 2 through the bearing 13. In actual application, two bearings 13 are provided and are respectively arranged on the outer sides of the two ends of the inner rotating ring 10 and are rotatably connected to the inner side of the side support ring 2. The rotation drive assembly 3 includes a first motor 303, which is fixedly arranged on the side support ring 2 through a motor seat 304. The end of the inner rotating ring 10 protrudes from the end edge of the side support ring 2 and a gear ring 302 is fixedly arranged on the outer side. The output shaft end of the first motor 303 is fixedly connected to a gear 301, and the gear 301 and the gear ring 302 are meshed and connected with each other. The output end of the digital display control panel 11 is electrically connected to the input end of the first motor 303. Through the above-mentioned specific structural design, when the output shaft of the first motor 303 rotates, the output shaft of the first motor 303 rotates to drive the gear 301 to rotate, and the gear 301 rotates to drive the meshed gear ring 302 and the inner rotating ring 10 to rotate, so that the clamping wheel assembly 9 clamps the steel structure body 12 to rotate to achieve circumferential welding.

[0021] See the instruction manual Figure 3 and Figure 4As shown, the clamping wheel assembly 9 is provided with two symmetrically distributed around the rotation center axis of the inner rotating ring 10, and the clamping wheel assembly 9 includes a fourth electric telescopic rod 901, which is fixedly arranged on the inner wall of the inner rotating ring 10 through a fixed seat 902, and the push rod head end of the fourth electric telescopic rod 901 points to the center axis of the inner rotating ring 10 and is fixedly connected to a lifting seat 903, and the lifting seat 903 is fixedly provided with a fifth electric telescopic rod 905 on the side facing the center axis of the inner rotating ring 10, and the push rod telescopic direction of the fifth electric telescopic rod 905 is perpendicular to the rotation center axis of the inner rotating ring 10. The fifth electric telescopic rod 905 adopts a dual-axis electric push rod, and the two push rod head ends of the fifth electric telescopic rod 905 are connected to a driving roller structure, and the output end of the digital display control panel 11 is electrically connected to the input end of the fourth electric telescopic rod 901 and the fifth electric telescopic rod 905 respectively. The driving roller structure includes a fourth motor 907 fixedly arranged on the push rod head end of the fifth electric telescopic rod 905 through a second support ear 906. In actual application, a connecting hole for sliding through the push rod head end of the fifth electric telescopic rod 905 is penetrated through the second support ear 906. A fixing bolt for achieving a tight abutment with the push rod head end of the fifth electric telescopic rod 905 is threadedly connected to the second support ear 906. A clamping wheel 908 is connected to the output shaft end of the fourth motor 907. A shoulder 909 is arranged on the outer side of the clamping wheel 908 at one end close to the fourth motor 907. The output end of the digital display control panel 11 is electrically connected to the input end of the fourth motor 907. Through the above-mentioned specific structural design, the fourth electric telescopic rod 901 push rod of the two clamping wheel assemblies 9 is extended or retracted at the same time, so as to adjust the distance between the clamping wheels 908 of the two clamping wheel assemblies 9, thereby being suitable for clamping and fixing steel structure bodies 12 of different thicknesses. In actual applications, the clamping wheels 908 and the shoulder 909 on the outer side of their ends can clamp steel structure bodies 12 with rectangular cross-sections, as well as steel structure bodies 12 with circular cross-sections.

[0022] The side pressure wheel structure 4 includes a wheel frame rod 403, one end of the wheel frame rod 403 is hinged to the lifting seat 903, and the other end of the wheel frame rod 403 is rotatably provided with a pressure wheel 404. The outer side of the pressure wheel 404 is provided with an annular groove 405 along its circumferential direction. When clamping the steel structure body 12 with a circular cross-section, the annular groove 405 can play an anti-deviated fixing role. The lifting seat 903 is provided with a first electric telescopic rod 401 for driving the wheel frame rod 403 to hinge and rotate. The first electric telescopic rod 401 is hinged to the lifting seat 903, and the push rod head end of the first electric telescopic rod 401 is hinged to each other with the wheel frame rod 403 through a hinge shaft 402, and the output end of the digital display control panel 11 is electrically connected to the input end of the first electric telescopic rod 401. In actual application, the side pressure wheel structure 4 has two functions. The first function is to clamp and fix the steel structure body 12 in cooperation with the clamping wheel assembly 9 to prevent shaking during welding. The second function is to cooperate with the clamping wheel assembly 9 to adjust the welding angle of the steel structure body 12, that is, to adjust the angle between the length direction of the steel structure body 12 and the central axis of the inner rotating ring 10.

[0023] The support seat structure 1 includes a base 101 , on the upper side of which two oppositely arranged support plates 102 are fixedly arranged, between the upper sides of the two support plates 102 are fixedly connected a plurality of support shafts 103 , on which an intermediate support seat 104 is fixedly arranged.

[0024] See the instruction manual Figure 3 and Figure 8 As shown, the distance adjustment component 5 includes a second electric telescopic rod 501 arranged between the middle support seat 104 and the side support ring 2, and a first lug 502 for correspondingly connecting to the push rod head end of the second electric telescopic rod 501 is fixedly arranged on the side support ring 2, and the output end of the digital display control panel 11 is electrically connected to the input end of the second electric telescopic rod 501. Through the above-mentioned specific structural design, the distance adjustment component 5 can adjust the distance between the middle support seat 104 and the side support ring 2, and when the two side support rings 2 are synchronously moved in the same direction, the displacement of the position of the steel structure body 12 of the welding point of the welding component 7 on the central axis of the inner rotating ring 10 can be adjusted. The distance adjustment component 5 can also synchronously move the two side support rings 2 in the opposite direction, thereby supporting and positioning the steel structure bodies 12 of different lengths.

[0025] See the instruction manual Figure 2 , Figure 5 and Figure 6As shown, the horizontal distance adjustment component 8 includes a slide groove 801 opened on the upper side of one end of the intermediate support seat 104, a slider 802 is slidably arranged in the slide groove 801, the angle deflection component 6 is arranged on the slider 802, and a screw 804 threadedly connected to the slider 802 is rotatably arranged in the slide groove 801, one end of the screw 804 is driven to rotate by a third motor 803 fixedly arranged on the intermediate support seat 104, and the output end of the digital display control panel 11 is electrically connected to the input end of the third motor 803.

[0026] The angle deflection assembly 6 includes a support platform 603, which is fixedly arranged on the slider 802. A second motor 601 is fixedly arranged on the upper side of the support platform 603. The output shaft end of the second motor 601 is fixedly connected to the sleeve 602. The welding assembly 7 includes a third electric telescopic rod 701, which is fixedly arranged in the sleeve 602. The push rod head end of the third electric telescopic rod 701 faces downward and is connected to the welding head 702. The output end of the digital display control panel 11 is electrically connected to the input end of the second motor 601 and the third electric telescopic rod 701. Two distance sensors 14 are arranged at the push rod head end of the third electric telescopic rod 701. The distribution connection direction between the two distance sensors 14 is perpendicular to the axis direction of the two side support rings 2. The output end of the distance sensor 14 is electrically connected to the input end of the digital display control panel 11. The two distance sensors 14 can calculate the distance between the welding point positions, so that the welding distance between the welding head 702 and the steel structure body 12 is maintained at a suitable distance.

[0027] Working principle and technical effects of the present invention: When in use, the distance between the side support ring 2 and the middle support seat 104 is adjusted by the distance adjustment component 5 according to the size requirements of the welded steel structure body 12. After use, the distance adjustment component 5 can also adjust the distance between the side support ring 2 and the middle support seat 104 to the minimum, thereby completing the reduction of the overall size and completing the storage; The two steel structure bodies 12 to be welded pass through the two inner rotating rings 10 respectively. Specifically, the steel structure body 12 passes between the two clamping wheel assemblies 9 in the inner rotating ring 10. When the steel structure body 12 is placed between the two clamping wheel assemblies 9, the fifth electric telescopic rod 905 adjusts the axial spacing between the two clamping wheels 908, so that the shoulder 909 can be in limited contact with the outer side of the steel structure body 12, and then the fourth electric telescopic rod 901 adjusts the clamping wheels 908 of the two clamping wheel assemblies 9 to be close to each other, so that the clamping wheels 908 and the outer side of the steel structure body 12 are in close contact with each other; After the steel structure main body 12 is clamped by the clamping wheel assembly 9, in order to prevent the steel structure main body 12 from shaking and position shifting, the side pressure wheel structure 4 is used to abut and fix the steel structure main body 12, thereby ensuring the stability of the steel structure main body 12 during welding. In addition, the first electric telescopic rod 401 can also hinge and rotate the wheel frame rod 403 and the pressure wheel 404, so that when the steel structure main body 12 is clamped and fixed, the length direction of the steel structure main body 12 and the center axis direction of the side support ring 2 can be tilted to each other and stable at a certain angle, while the orientations of the two side support rings 2 remain unchanged. When the inner rotating ring 10 rotates in the side support ring 2, the two steel structure main bodies 12 can be rotated at the same time, so that no matter whether the length directions of the two steel structure main bodies 12 are consistent or the two steel structure main bodies 12 are butt-jointed at an inclined angle, the welding assembly 7 can be cooperated to complete the circumferential welding; The horizontal distance adjustment component 8 can adjust the welding point of the welding component 7 in the horizontal direction. When the butt weld line of the two steel structure bodies 12 is horizontal, it is convenient not to rotate the inner swivel 10, and fast welding can also be achieved. The angle deflection component 6 can also adjust the welding angle of the welding component 7 to suit different welding ports. When performing circumference welding, the clamping wheel assembly 9 cooperates with the side pressure wheel structure 4 to complete the docking of the two steel structure bodies 12 at the position of the welding assembly 7, and the two rotating drive assemblies 3 can respectively drive their corresponding inner rotating rings 10 to rotate, thereby completing the circumference welding.

[0028] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A multi-directional adjustable full-angle welding device for highway bridge steel structure, characterized in that: The invention comprises a support base structure (1) and a digital display control panel (11), wherein a welding assembly (7) capable of adjusting welding points up and down is arranged above the support base structure (1), side support rings (2) are arranged on both sides of the support base structure (1), and distance adjustment assemblies (5) for adjusting the distance between the support base structure (1) and the two side support rings (2) are respectively arranged between the support base structure (1) and the two side support rings (2), and a horizontal distance adjustment assembly (8) capable of horizontally adjusting and moving the welding points of the welding assembly (7) is arranged on the support base structure (1), and an angle deflection assembly (6) for driving the welding assembly (7) to perform angle deflection is arranged on the horizontal distance adjustment assembly (8); An inner rotating ring (10) is rotatably arranged inside each of the side support rings (2), a rotation drive assembly (3) for driving the inner rotating ring (10) to rotate therein is arranged on the side support ring (2), a clamping wheel assembly (9) for clamping and driving the steel structure body (12) is arranged inside the inner rotating ring (10), and each clamping wheel assembly (9) is provided with a side pressure wheel structure (4) for assisting in adjusting the length direction of the steel structure body (12) for clamping and positioning.

2. According to claim 1, a multi-directional adjustable full-angle welding device for highway bridge steel structure, characterized in that: The inner rotating ring (10) is rotatably arranged in the side support ring (2) via a bearing (13); the rotary drive assembly (3) comprises a first motor (303); the first motor (303) is fixedly arranged on the side support ring (2) via a motor seat (304); a gear ring (302) is fixedly arranged on the outer side of the end of the inner rotating ring (10); a gear (301) is fixedly connected to the output shaft end of the first motor (303); the gear (301) and the gear ring (302) are meshed and connected with each other; and the output end of the digital display control panel (11) is electrically connected to the input end of the first motor (303).

3. A multi-directional adjustable all-angle welding device for highway bridge steel structure according to claim 1 or 2, characterized in that: The clamping wheel assembly (9) is provided with two symmetrically distributed around the rotation center axis of the inner rotating ring (10), and the clamping wheel assembly (9) comprises a fourth electric telescopic rod (901), the fourth electric telescopic rod (901) is fixedly arranged on the inner side wall of the inner rotating ring (10) through a fixing seat (902), the push rod head end of the fourth electric telescopic rod (901) points to the center axis of the inner rotating ring (10) and is fixedly connected to a lifting seat (903), and the lifting seat (903) is fixedly provided with a fifth electric telescopic rod (905) on the side facing the center axis of the inner rotating ring (10), the fifth electric telescopic rod (905) adopts a double-axis electric push rod, and the two push rod head ends of the fifth electric telescopic rod (905) are connected to a driving roller structure, and the output end of the digital display control panel (11) is electrically connected to the input ends of the fourth electric telescopic rod (901) and the fifth electric telescopic rod (905), respectively.

4. According to claim 3, a multi-directional adjustable full-angle welding device for highway bridge steel structure is characterized in that: The driving roller structure comprises a fourth motor (907) fixedly arranged at the push rod head end of the fifth electric telescopic rod (905) via a second support ear (906); the output shaft end of the fourth motor (907) is connected to a clamping wheel (908); a stop shoulder (909) is arranged on the outer side of one end of the clamping wheel (908) close to the fourth motor (907); and the output end of the digital display control panel (11) is electrically connected to the input end of the fourth motor (907).

5. According to claim 4, a multi-directional adjustable full-angle welding device for highway bridge steel structure is characterized in that: The side pressure wheel structure (4) comprises a wheel frame rod (403), one end of the wheel frame rod (403) is hinged to the lifting seat (903), the other end of the wheel frame rod (403) is rotatably provided with a pressure wheel (404), the outer side of the pressure wheel (404) is provided with an annular groove (405) along its circumferential direction, and the lifting seat (903) is provided with a first electric telescopic rod (401) for driving the wheel frame rod (403) to hinge and rotate, the first electric telescopic rod (401) is hinged to the lifting seat (903), a push rod head end of the first electric telescopic rod (401) is hinged to the wheel frame rod (403) via a hinge shaft (402), and an output end of the digital display control panel (11) is electrically connected to an input end of the first electric telescopic rod (401).

6. According to claim 1, a multi-directional adjustable full-angle welding device for highway bridge steel structure, characterized in that: The support seat structure (1) comprises a base (101), two support plates (102) arranged opposite to each other are fixedly arranged on the upper side of the base (101), a plurality of support shafts (103) are fixedly connected to each other between the upper sides of the two support plates (102), and an intermediate support seat (104) is fixedly arranged on the support shaft (103).

7. According to claim 5, a multi-directional adjustable full-angle welding device for highway bridge steel structure, characterized in that: The distance adjustment assembly (5) comprises a second electric telescopic rod (501) arranged between the middle support seat (104) and the side support ring (2); a first support ear (502) for correspondingly connecting to a push rod head end of the second electric telescopic rod (501) is fixedly arranged on the side support ring (2); and an output end of the digital display control panel (11) is electrically connected to an input end of the second electric telescopic rod (501).

8. According to claim 1, a multi-directional adjustable full-angle welding device for highway bridge steel structure, characterized in that: The horizontal distance adjustment component (8) comprises a slide groove (801) provided on the upper side of one end of the intermediate support seat (104), a slider (802) being slidably arranged in the slide groove (801), the angle deflection component (6) being arranged on the slider (802), a lead screw (804) being rotatably arranged in the slide groove (801) and being threadedly connected to the slider (802), one end of the lead screw (804) being driven to rotate by a third motor (803) fixedly arranged on the intermediate support seat (104), and an output end of the digital display control panel (11) being electrically connected to an input end of the third motor (803).

9. According to claim 7, a multi-directional adjustable full-angle welding device for highway bridge steel structure, characterized in that: The angle deflection assembly (6) comprises a support platform (603), the support platform (603) being fixedly arranged on a slider (802), a second motor (601) being fixedly arranged on the upper side of the support platform (603), an output shaft end of the second motor (601) being fixedly connected to a sleeve (602), the welding assembly (7) comprising a third electric telescopic rod (701), the third electric telescopic rod (701) being fixedly arranged in the sleeve (602), a push rod head end of the third electric telescopic rod (701) facing downward and being connected to a welding head (702), and an output end of the digital display control panel (11) being electrically connected to input ends of the second motor (601) and the third electric telescopic rod (701), respectively.

10. The multi-directional adjustable full-angle welding device for highway bridge steel structure according to claim 9, characterized in that: Two distance sensors (14) are arranged at the push rod head end of the third electric telescopic rod (701), the distribution connection direction between the two distance sensors (14) and the axial direction of the two side support rings (2) are perpendicular to each other, and the output end of the distance sensor (14) is electrically connected to the input end of the digital display control panel (11).

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