Gantry type welding robot wiring structure
By using a sliding contact line current collector and the sliding contact line body to construct a new path on the welding robot, the problems of easy entanglement and wear of traditional grounding methods during long-distance movement are solved, and reliable grounding of the welding power source and the workpiece is achieved, thus improving grounding stability.
Patent Information
- Application Number
- CN202521703105.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-12
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-08-12
AI Technical Summary
Traditional grounding methods for welding power supplies are prone to tangling, wear, or even breakage during long-distance movement, failing to guarantee grounding stability.
A new path is constructed by using a sliding contact line current collector and the sliding contact line body. The grounding terminal of the welding power supply is electrically connected to the sliding contact line current collector, and the sliding contact line body extends longitudinally along the ground rail and connects to the workpiece to be welded, replacing the traditional drag cable grounding.
It significantly improves the grounding stability and reliability of welding robots over long distances, avoiding the entanglement and wear problems of traditional grounding methods.
Smart Images
Figure CN224674085U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welding equipment technical field, specifically, relate to a portal type welding robot wiring structure. BACKGROUND
[0002] In the welding site of large structural parts, the portal mobile welding robot often needs to work on the walking distance of several meters or even more than ten meters, and the welding process requires that the welding power ground wire must be reliably grounded to maintain the stability of the electric arc and the welding quality.
[0003] The traditional welding power ground is connected by the ground end of the welding power and the workpiece to be welded or the welding workbench through the towed cable, however, the towed ground wire is easy to entangle, wear and even break in long distance movement, and the grounding stability cannot be guaranteed. SUMMARY
[0004] The problem solved by the utility model is how to improve the grounding stability of the portal welding robot.
[0005] To solve the above problems, the utility model provides a portal welding robot wiring structure, which comprises a sliding contact line current collector and a sliding contact line body connected in a matched manner, the sliding contact line current collector and the welding power are arranged on the portal frame, the ground end of the welding power is electrically connected with the sliding contact line current collector, the sliding contact line body extends longitudinally along the ground rail and is arranged on the ground or the ground rail, and the sliding contact line body is electrically connected with the workpiece to be welded.
[0006] Optionally, the welding power is provided with a plurality of groups, the sliding contact line current collector and the sliding contact line body connected in a matched manner are provided with a plurality of groups in the same number as the welding power, and the welding end of the welding power is electrically connected with the sliding contact line current collector in a one-to-one correspondence.
[0007] Optionally, the portal frame comprises two walking bases arranged on two ground rails respectively, and a first support is arranged on the inner side of one walking base. The first support comprises a first supporting rod, a second supporting rod and a third supporting rod, one end of the first supporting rod is connected to the inner side of the walking base, the rod body of the first supporting rod is arranged in a horizontal direction and is perpendicular to the sliding contact line body, the second supporting rod extends vertically downward from the other end of the first supporting rod, the third supporting rod is connected to the bottom end of the second supporting rod and is parallel to the first supporting rod, and the third supporting rod is used for arranging the sliding contact line current collector.
[0008] Optionally, a plurality of second supports are arranged on the inner side of the ground rail, the second support is provided with a suspension bracket, and the suspension bracket is used for hoisting the pipe provided with the sliding contact line body.
[0009] Optionally, the slide wire collector comprises a support base and two support arms symmetrically arranged on two sides of the support base, one end of each of the support arms is rotationally arranged on the support base, the other end of each of the support arms is provided with a current collector brush, and an elastic member is arranged between the support arm and the support base, the elastic member is used for providing elastic force to keep the current collector brush in contact with the slide wire body at a set contact pressure.
[0010] Optionally, the support base is in a T-shaped structure, comprising a seat body in the middle and two symmetrically extended cross seat bodies, one end of the support arm is rotationally arranged on the end of the cross seat body close to the seat body, and the elastic member is arranged between the end of the cross seat body away from the seat body and the main body of the support arm.
[0011] Optionally, the support arm comprises a straight arm segment and a curved arm segment connected with each other, the end of the straight arm segment away from the curved arm segment is provided with the current collector brush, the curved arm segment is in an arc shape, and the end of the curved arm segment away from the straight arm segment is rotationally connected with the cross seat body through a fork-shaped hinge joint. And / or, the elastic member adopts a tightly wound spring.
[0012] Optionally, the seat body is provided with a first fixing plate on the side of the end away from the cross seat body, two bolts respectively penetrate the cross seat body, the seat body and the first fixing plate, and are respectively provided with locking nuts on the side of the first fixing plate away from the seat body, and each of the bolts corresponds to one of the cross seat bodies.
[0013] Optionally, the bottom surface of the seat body is provided with a V-shaped through groove, the middle part of the first fixing plate is protruded in a V-shaped bending manner away from the side of the seat body, the V-shaped through groove and the V-shaped bending are arranged in a direction perpendicular to the slide wire body and are oppositely arranged, and the V-shaped through groove and the V-shaped bending are used for clamping a polygonal rod-shaped structure.
[0014] Optionally, the other end of the support arm is rotationally provided with a mounting seat, the mounting seat is used for arranging the current collector brush, and the rotation shaft axes of the two ends of the support arm are parallel and perpendicular to the slide wire body.
[0015] The gantry type welding robot wiring structure has the following beneficial effects: The trolley line collector and the welding power source are installed on the portal frame, and the grounding end of the welding power source is electrically connected with the trolley line collector; the trolley line body extends longitudinally along the ground rail, is installed on the ground or the ground rail, and is connected to the workpiece to be welded. The design constructs a new grounding path of the portal welding robot: welding power source→trolley line collector→trolley line body→workpiece to be welded, replaces the traditional long-distance cable, utilizes the synchronous movement characteristics of the trolley line collector and the portal frame, and combines the static installation mode of the trolley line body, to realize reliable grounding conduction of the welding power source and the workpiece to be welded in a long-distance range, and significantly improve the grounding stability of the mobile equipment. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the wiring structure of the portal welding robot of the embodiment of the utility model.
[0017] Figure 2 It is a local structure schematic view of the wiring structure of the portal welding robot of the embodiment of the utility model.
[0018] Figure 3 It is a first support installation structure schematic view of the wiring structure of the portal welding robot of the embodiment of the utility model.
[0019] Figure 4 It is a first support installation structure schematic view of the wiring structure of the portal welding robot of the embodiment of the utility model. Figure 3 It is a first support installation structure schematic view of the wiring structure of the portal welding robot of the embodiment of the utility model.
[0020] Figure 5 It is a structure schematic view of the trolley line collector of the wiring structure of the portal welding robot of the embodiment of the utility model.
[0021] Figure 6 It is a structure schematic view of the trolley line collector of the wiring structure of the portal welding robot of the embodiment of the utility model.
[0022] Figure 7 It is a second support installation structure schematic view of the wiring structure of the portal welding robot of the embodiment of the utility model.
[0023] BRIEF DESCRIPTION OF DRAWINGS 1, slide wire collector; 11, support seat; 111, seat body; 112, cross seat body; 113, first fixed plate; 114, second fixed plate; 12, support arm; 121, straight arm section; 122, curved arm section; 13, current collector brush; 14, elastic member; 15, bolt; 16, locking nut; 17, mounting seat; 2, slide wire body; 3, welding power source; 4, gantry; 41, walking base; 42, cross beam; 43, column structure; 5, ground rail; 6, workpiece to be welded; 7, first support; 71, first support rod; 72, second support rod; 73, third support rod; 8, second support; 81, suspension bracket; 82, guide pipe. DETAILED DESCRIPTION
[0024] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. Although some embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms, and should not be interpreted as being limited to the embodiments described herein, on the contrary, these embodiments are provided to make the present application more thorough and complete. It should be understood that the drawings and embodiments of the present application are only for illustrative purposes, and are not intended to limit the scope of protection of the present application.
[0025] The term "comprising" and its variants as used herein are open-ended, that is "including but not limited to"; the term "based on" is "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; the term "optionally" means "optional embodiments". Related definitions of other terms will be given in the following description. It should be noted that the "first", "second", etc. concepts mentioned in the present application are only used to distinguish different devices, modules or units, and are not intended to limit the functions performed by these devices, modules or units or their mutual dependency.
[0026] It should be noted that the modification of "one" or "multiple" mentioned in the present application is illustrative and not limiting, and those skilled in the art should understand that unless otherwise explicitly indicated in the context, it should be understood as "one or more". "Several" refers to one or more "one or more".
[0027] As Figure 1 and Figure 2As shown, the utility model embodiment provides a gantry type welding robot wiring structure, including the adaptation connection's slide contact line current collector 1 and slide contact line body 2, slide contact line current collector 1 and welding power supply 3 all are arranged in gantry 4, and the grounding end of welding power supply 3 is electrically connected with slide contact line current collector 1, slide contact line body 2 extends along ground rail 5 longitudinally, and is arranged on ground or ground rail 5, and slide contact line body 2 is electrically connected with the welding workpiece 6 to be waited.
[0028] In the embodiment, the slide contact line conductive system is used to construct the grounding loop of the gantry type welding robot mobile device: the slide contact line current collector 1 and the welding power supply 3 are installed on the gantry 4, and the grounding end of the welding power supply 3 is electrically connected with the slide contact line current collector 1; the slide contact line body 2 extends longitudinally along the ground rail 5 and is installed on the ground or the ground rail 5, and the slide contact line body 2 is connected to the welding workpiece 6 to be waited. The design constructs a new grounding path of the gantry type welding robot mobile device: welding power supply 3→ slide contact line current collector 1→ slide contact line body 2→ welding workpiece 6 to be waited, which replaces the traditional long-distance cable and realizes reliable grounding conduction between the welding power supply 3 and the welding workpiece 6 to be waited in a long-distance range by using the synchronous motion characteristics of the slide contact line current collector 1 and the gantry 4 and the static installation mode of the slide contact line body 2, thereby significantly improving the grounding stability of the mobile device.
[0029] It should be noted that the welding device is usually arranged on the gantry 4 and is powered by the welding power supply 3, the welding power supply 3 is connected with an external power supply through a drag chain cable, and the grounding end of the welding power supply 3 is used for outputting the grounding loop of the welding current; the welding workpiece 6 to be waited is usually arranged on a welding workbench between two ground rails 5, and the welding workbench is arranged on the ground; the slide contact line current collector 1 and the welding power supply 3 can move longitudinally along the ground rail 5 together with the gantry 4; the slide contact line body 2 can be connected to a grounding column of the welding workbench, thereby realizing electrical connection with the welding workpiece 6 to be waited; the adaptation connection of the slide contact line current collector 1 and the slide contact line body 2 means that the two are in sliding contact and electrically conductive.
[0030] In addition, the grounding end of the welding power supply 3 and the slide contact line current collector 1, and the slide contact line body 2 and the welding workpiece 6 to be waited can be connected through a flexible cable.
[0031] Optionally, the welding power supply 3 is provided with a plurality of slide contact line current collectors 1 and slide contact line bodies 2, and the same number of groups as the welding power supply 3 are provided, and the welding end of each welding power supply 3 is electrically connected with a slide contact line current collector 1.
[0032] In the optional embodiment, when a plurality of welding power supplies 3 are configured according to process requirements, the adaptation connection of the slide contact line current collector 1 and the slide contact line body 3 is provided with a plurality of groups according to the number of welding power supplies 3, each group is used to construct a grounding path of a welding power supply 3, and the reliability and stability of the grounding system of each welding power supply 3 are ensured, thereby providing safe and reliable power guarantee for welding operation.
[0033] Further, in order to improve the space utilization and overall compactness of the gantry welding robot wire connection structure, the multiple groups of trolley line current collectors 1 and trolley line bodies 2 are arranged in a side-by-side manner. Moreover, based on the structural integration design concept, the trolley line current collectors 1 of each group are arranged side by side and share the same bracket structure, and the trolley line bodies 2 of each group are arranged side by side and also share the same bracket. In this way, the stable installation of each component is ensured, and the space occupation is effectively reduced.
[0034] As shown in Figure 2 , the adaptively connected trolley line current collectors 1 and trolley line bodies 2 are provided in two groups, and the trolley line current collectors 1 and trolley line bodies 2 of the two groups are arranged side by side and share the same bracket structure.
[0035] Alternatively, as shown in Figures 2-4 , the gantry 4 includes two walking bases 41 arranged on the two ground rails 5, and the inner side of one walking base 41 is provided with a first bracket 7. The first bracket 7 includes a first support rod 71, a second support rod 72, and a third support rod 73. One end of the first support rod 71 is connected to the inner side of the walking base 41, the rod body of the first support rod 71 is arranged in a horizontal direction and perpendicular to the trolley line body 2, the second support rod 72 extends vertically downward from the other end of the first support rod 71, and the third support rod 73 is connected to the bottom end of the second support rod 72 and parallel to the first support rod 71. The third support rod 73 is used to arrange the trolley line current collector 1.
[0036] In this alternative embodiment, the gantry 4 includes two walking bases 41 arranged on the two ground rails 5, and the two walking bases 41 cooperate with each other to enable the gantry 4 to move smoothly on the ground rails 5, meeting the operation range requirements of the gantry welding robot. For one of the walking bases 41, a first bracket 7 is arranged on the inner side thereof. The first bracket 7 has a clear structural composition, including a first support rod 71, a second support rod 72, and a third support rod 73. One end of the first support rod 71 can be fixed to the inner side of the walking base 41 by welding or bolt connection, etc. The rod body of the first support rod 71 is arranged in a horizontal direction and perpendicular to the trolley line body 2. The second support rod 72 extends vertically downward from the end of the first support rod 71 away from the inner side of the walking base 41, forming a vertically downward support arm body, and the bottom end of the second support rod 72 is provided with the third support rod 73, which is parallel to the first support rod 71. The third support rod 73 is used to arrange the trolley line current collector 1, ensuring that the installation position of the trolley line current collector 1 is accurate and the connection is reliable.
[0037] In addition, as shown in Figure 4As shown, the two ends of the first support rod 71 and the second support rod 72 are provided with mounting plates, and one end of the third support rod 73 is provided with a mounting plate, and the mounting plates are provided with bolt holes for connection and installation.
[0038] As shown in Figure 1 and Figure 2 shown, the gantry 4 further includes a cross beam 42 and two column structures 43, which are vertically arranged at the two ends of the cross beam 42 respectively, and the bottom end of each column structure 43 is arranged on one ground rail 5 through the walking base 41. The first support rod 71 and the second support rod 72 are arranged in an L shape, extending horizontally from the inner side of the walking base 41 and then extending downward, providing a suitable installation position for the slide wire current collector 1. It should be noted that the inner side of the walking base 41 refers to the direction towards the middle of the two ground rails 5.
[0039] Optionally, as shown in Figure 7 , the inner side of the ground rail 5 is provided with a plurality of second supports 8, and the second support 8 is provided with a suspension bracket 81 for hoisting a conduit 82 provided with a slide wire body 2.
[0040] In this optional embodiment, in order to ensure that the slide wire body 2 can be stably and reliably installed and operated, a plurality of second supports 8 can be arranged in a uniformly spaced manner on the inner side of the ground rail 5, so as to ensure the stability of the hoisting of the slide wire body 2, reasonably disperse the stress, and avoid local stress concentration.
[0041] Specifically, the second support 8 can be in the shape of a Z-shaped stepped plate, and the second support 8 is selected to have a unique Z-shaped stepped plate structure, which has high structural strength and can withstand various loads generated by the slide wire body 2 and related components during operation, effectively preventing deformation or damage. Each second support 8 is equipped with a suspension bracket 81, and the suspension bracket 81 is designed to match the size and shape of the conduit 82, and the conduit 82 is firmly hung through a reliable connection mode. The slide wire body 2 is installed inside the conduit 82 to provide a stable channel for welding grounding transmission.
[0042] Further, the cross section of the slide wire body 2 can be in the shape of "H", and the rigidity is enhanced by the arch structure on the beam.
[0043] Optionally, as shown in Figure 5 and Figure 6 , the slide wire current collector 1 includes a support seat 11 and two support arms 12 symmetrically arranged on both sides of the support seat 11, one end of each support arm 12 is rotatably arranged on the support seat 11, the other end is provided with a current collector brush 13, and an elastic member 14 is arranged between the support arm 12 and the support seat 11, which is used to provide elastic force to make the current collector brush 13 and the slide wire body 2 maintain a set contact pressure.
[0044] In the alternative embodiment, the sliding contact line current collector 1 adopts a symmetrical elastic support structure, which includes a support base 11 and two symmetrical support arms 12 arranged on both sides of the support base 11. Each support arm 12 is connected to the support base 11 through a rotating pair at one end, and a current collecting brush 13 is installed at the other end, and an elastic element 14 is arranged between the support arm 12 and the support base 11. The elastic element 14 keeps the current collecting brush 13 and the sliding contact line body 2 at a set contact pressure through a preset elastic force, and the pressure range can be controlled to be 5-15N.
[0045] This design forms a mechanical balance system through the symmetrical layout of the two support arms 12, and the pre-compression amount of the elastic element 14 is designed according to the relevant standards of the sliding contact line, which ensures dynamic adaptability. The support arms 12 distributed symmetrically generate torques in opposite directions, which are transmitted to the support base 11 through the corresponding support arms 12 and then cancel each other out, effectively improving stability.
[0046] Alternatively, as shown in Figure 6 The support base 11 is in a T-shaped structure, including a seat body 111 in the middle and two symmetrical horizontal seat bodies 112 extending; one end of the support arm 12 is rotatably arranged at the end of the horizontal seat body 112 close to the seat body 111, and the elastic element 14 is arranged between the end of the horizontal seat body 112 away from the seat body 111 and the main body of the support arm 12.
[0047] In the alternative embodiment, the support base 11 of the sliding contact line current collector 1 adopts a T-shaped high-rigidity architecture design. Specifically, the seat body 111 can be vertically arranged, and the horizontal seat body 112 extends horizontally to both sides at the top end of the seat body 111.
[0048] Alternatively, as shown in Figure 6 The support arm 12 includes a straight arm segment 121 and a curved arm segment 122 connected to each other, the end of the straight arm segment 121 away from the curved arm segment 122 is provided with the current collecting brush 13, the curved arm segment 122 is in an arc shape, and the end away from the straight arm segment 121 is rotatably connected to the horizontal seat body 112 through a fork-shaped hinge joint; The support arm 12 is in a curved arm type, and the two support arms 12 and the support base 11 are in a W-shaped overall symmetrical layout, and one end of the support arm 12 is rotatably connected to the horizontal seat body 112 through a fork-shaped hinge joint.
[0049] In the alternative embodiment, the support arm 12 is in a curved arm type and is composed of a straight arm segment 121 and an arc-shaped curved arm segment 122 connected to each other. The current collecting brush 13 is arranged at the end of the straight arm segment 121, and the curved arm segment 122 is rotatably connected to the horizontal seat body 112 through a fork-shaped hinge joint. The hinge joint adopts a double-parallel ear plate structure and cooperates with a self-lubricating bearing to realize low-resistance rotation. In this way, the two symmetrical support arms 12 and the support base 11 are in a W-shaped overall symmetrical layout with low in the middle and high at both ends.
[0050] The design provides elastic deformation space through the arc-shaped bending arm segment 122, cooperates with the pre-compression amount of the elastic member 14, ensures that the contact surface of the current collector brush 13 and the slide wire body 2 maintains the set contact pressure, and the contact material can adopt copper-based graphite composite material.
[0051] Optionally, the elastic member 14 adopts a tightly wound spring.
[0052] In the alternative embodiment, the elastic member 14 of the slide wire current collector 1 adopts a tightly wound spring structure, there is no gap between adjacent coils of the spring, the spring generates elastic force through axial elongation and acts on the support arm 12, so that the current collector brush 13 and the slide wire body 2 maintain the set contact pressure. The tightly wound spring can be wound by high-carbon steel wire.
[0053] In addition, the two ends of the tightly wound spring can be hinged to the cross seat body 112 and the support arm 12 through single ear hinges, so that the support arm 12 maintains a substantially fixed position in the uninstalled state through the axial bearing capacity of the tightly wound spring.
[0054] Optionally, the seat body 111 is provided with a first fixed plate 113 on the side away from the cross seat body 112, two bolts 15 respectively penetrate the cross seat body 112, the seat body 111 and the first fixed plate 113, and the first fixed plate 113 is provided with a locking nut 16 on the side away from the seat body 111, and each bolt 15 corresponds to one cross seat body 112. The first fixed plate 113 and the seat body 111 are clamped and fixed to realize the fixed installation of the slide wire current collector 1.
[0055] In the alternative embodiment, the fixed installation of the slide wire current collector 1 adopts a bolt locking structure. Specifically, the seat body 111 is provided with a first fixed plate 113 on the side away from the cross seat body 112, two high-strength alloy steel bolts 15 respectively penetrate the two cross seat bodies 112, the seat body 111 and the first fixed plate 113, and are locked by the locking nut 16 on the side of the first fixed plate 113 away from the seat body 111. The structure tightly clamps the installation surface of the first fixed plate 113 and the seat body 111 through the axial pre-tightening force of the bolt 15 and the locking nut 16, realizes the reliable fixation of the slide wire current collector 1.
[0056] The design adopts a pull-pull layout, the two bolts 15 are preferably symmetrically arranged, and the same bolt 15 is used to synchronously realize the fixation of the cross seat body 112 and the installation of the seat body 111, which reduces the number of components under the premise of ensuring the mechanical properties, and makes the structure compact.
[0057] In addition, a second fixing plate 114 can be arranged on the top of the two cross seats 112, and two mounting holes for the two bolts 15 are arranged at the two ends of the second fixing plate 114, that is, a layer of bolt 15 fastening pad plate is arranged on the top of the two cross seats 112, so as to ensure the stability of the overall fastening.
[0058] Optionally, the bottom surface of the seat body 111 is provided with a V-shaped through groove, and the middle part of the first fixing plate 113 is protruded to the side away from the seat body 111 and bent in a V shape, the V-shaped through groove and the V-shaped bending are arranged along the direction perpendicular to the slide wire body 2 and are arranged opposite to each other, and the V-shaped through groove and the V-shaped bending are used for clamping the polygonal rod structure.
[0059] In the optional embodiment, the V-shaped groove is arranged on the bottom mounting surface of the seat body 111 and is matched with the first fixing plate 113 with the V-shaped bending, the V-shaped through groove and the V-shaped bending are arranged opposite to each other and can be clamped on the rod structure with a polygonal cross section, and the two bolts 15 are used for fastening and applying force to clamp the rod structure. Specifically, the V-shaped through groove and the V-shaped bending are clamped on the third supporting rod 73 with the above-mentioned polygonal cross section, so as to realize the connection of the seat body 111 and the gantry 4, and further realize the reliable fixing of the slide wire current collector 1 on the gantry 4.
[0060] In addition, as shown in Figure 4 , the cross section of the third supporting rod 73 is preferably a square. The two bolts 15 are arranged on the two sides of the V-shaped groove. During assembly, the V-shaped through groove and the V-shaped bending are respectively positioned in contact with two sides of the third supporting rod 73 with a square cross section, and the clamping force is generated on the two sides of the third supporting rod 73 by cooperating with the two bolts 15, so as to realize stable and fixed installation.
[0061] Optionally, as shown in Figure 5 and Figure 6 , the other end of the supporting arm 12 is rotatably provided with a mounting seat 17, the mounting seat 17 is used for arranging the current collecting brush 13, the rotation shaft axes of the two ends of the supporting arm 12 are parallel and are both perpendicular to the slide wire body 2.
[0062] In the optional embodiment, the current collecting brush 13 is rotatably arranged on the supporting arm 12 through the mounting seat 17, so that the posture of the current collecting brush 13 can be adaptively and automatically adjusted, and a better contact posture is maintained.
[0063] Although the utility model discloses as above, the protection scope of the utility model is not limited to this. The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will all fall within the protection scope of the utility model.
Claims
1. A wiring structure for a gantry welding robot, characterized in that, Includes a sliding contact line current collector (1) and a sliding contact line body (2) for adapter connection; The sliding contact line current collector (1) and the welding power source (3) are both installed on the gantry (4), and the grounding terminal of the welding power source (3) is electrically connected to the sliding contact line current collector (1). The sliding contact line body (2) extends longitudinally along the ground rail (5) and is set on the ground or the ground rail (5). The sliding contact line body (2) is electrically connected to the workpiece (6) to be welded.
2. The wiring structure of the gantry welding robot according to claim 1, characterized in that, The welding power source (3) is provided in multiple ways. The sliding contact line current collector (1) and the sliding contact line body (2) are provided in multiple sets with the same number as the welding power source (3). The welding end of the welding power source (3) is electrically connected to the sliding contact line current collector (1) one by one.
3. The wiring structure of the gantry welding robot according to claim 1, characterized in that, The gantry (4) includes two traveling bases (41) respectively set on the two ground rails (5), and a first bracket (7) is provided on the inner side of one of the traveling bases (41). The first bracket (7) includes a first support rod (71), a second support rod (72) and a third support rod (73). One end of the first support rod (71) is connected to the inner side of the walking base (41). The rod body of the first support rod (71) is arranged horizontally and perpendicular to the sliding contact line body (2). The second support rod (72) extends vertically downward from the other end of the first support rod (71). The third support rod (73) is connected to the bottom end of the second support rod (72) and is parallel to the first support rod (71). The third support rod (73) is used to set the sliding contact line current collector (1).
4. The wiring structure of the gantry welding robot according to claim 1, characterized in that, Multiple second supports (8) are provided on the inner side of the ground rail (5). The second supports (8) are provided with suspension brackets (81). The suspension brackets (81) are used to suspend the conduit (82) on which the sliding contact line body (2) is provided.
5. The wiring structure of the gantry welding robot according to claim 1, characterized in that, The sliding contact line current collector (1) includes a support base (11) and two support arms (12) symmetrically arranged on both sides of the support base (11). One end of each support arm (12) is rotatably disposed on the support base (11), and the other end is provided with a current collector brush (13). An elastic element (14) is provided between the support arm (12) and the support base (11). The elastic element (14) is used to provide elastic force to keep the current collector brush (13) and the sliding contact line body (2) at a set contact pressure.
6. The wiring structure of the gantry welding robot according to claim 5, characterized in that, The support base (11) has a T-shaped structure, including a central base body (111) and two symmetrically extending horizontal base bodies (112); one end of the support arm (12) is rotatably disposed at the end of the horizontal base body (112) near the base body (111), and the elastic element (14) is disposed between the end of the horizontal base body (112) away from the base body (111) and the main body of the support arm (12).
7. The wiring structure of the gantry welding robot according to claim 6, characterized in that, The support arm (12) includes a straight arm section (121) and a curved arm section (122) connected to each other. The end of the straight arm section (121) away from the curved arm section (122) is provided with the collector brush (13). The curved arm section (122) is arc-shaped, and its end away from the straight arm section (121) is rotatably connected to the cross seat body (112) through a fork-shaped hinge joint. And / or, the elastic element (14) is a closely wound spring.
8. The wiring structure of the gantry welding robot according to claim 6, characterized in that, A first fixing plate (113) is provided on the side of the seat body (111) away from the horizontal seat body (112); two bolts (15) pass through the horizontal seat body (112), the seat body (111) and the first fixing plate (113) respectively, and a locking nut (16) is provided on the side of the first fixing plate (113) away from the seat body (111) respectively, and each bolt (15) passes through one of the horizontal seats (112).
9. The wiring structure of the gantry welding robot according to claim 8, characterized in that, The bottom surface of the seat body (111) is provided with a V-shaped through groove. The middle part of the first fixing plate (113) protrudes to the side away from the seat body (111) in a V-shaped bend. The V-shaped through groove and the V-shaped bend are arranged in a direction perpendicular to the sliding contact line body (2) and are positioned opposite each other. The V-shaped through groove and the V-shaped bend are used to fit and clamp the polygonal rod-shaped structure.
10. The wiring structure of the gantry welding robot according to claim 5, characterized in that, The other end of the support arm (12) is rotatably provided with a mounting base (17), which is used to set the collector brush (13). The axes of rotation of the two ends of the support arm (12) are parallel and perpendicular to the sliding contact line body (2).