CN116852019A - Welding equipment for tower feet of power transmission towers - Google Patents
Welding equipment for tower feet of power transmission towers Download PDFInfo
- Publication number
- CN116852019A CN116852019A CN202310859482.5A CN202310859482A CN116852019A CN 116852019 A CN116852019 A CN 116852019A CN 202310859482 A CN202310859482 A CN 202310859482A CN 116852019 A CN116852019 A CN 116852019A
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- Prior art keywords
- plate positioning
- rib
- rib plate
- bottom plate
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 55
- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000033001 locomotion Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses welding equipment for a tower foot of a power transmission tower, which relates to the field of welding and comprises a positioner, a rib plate positioning mechanism, a bottom plate displacement mechanism and a welding area, wherein the rib plate positioning mechanism is arranged on the positioner, the bottom plate positioning mechanism is arranged on the rib plate positioning mechanism or the positioner through the bottom plate displacement mechanism, the welding area is positioned at the side of the positioner, a plurality of rib plates are positioned and fixed on the positioner through the rib plate positioning mechanism, and the bottom plate can be spliced with the rib plates at the same time after being positioned by the bottom plate positioning mechanism and the bottom plate positioning mechanism, so that the welding efficiency and the welding precision of the tower foot are improved, the problem that the rib plates are difficult to position due to the fact that the rib plates are arranged downwards and upwards in the welding process is solved, and welding slag generated in the welding process cannot fall onto the bottom plate to influence the welding of the bottom plate and the rib plates.
Description
Technical Field
The invention belongs to the field of welding, and particularly relates to welding equipment for tower feet of a power transmission tower.
Background
The tower foot is a connecting part between the electric power iron tower and the tower foundation and is a supporting part of the whole transmission line iron tower structure, so that the structural stability of the transmission line iron tower is directly determined by the structural stability and the service life of the transmission line iron tower.
The tower leg generally comprises a bottom plate and three rib plates which are connected through welding seams, wherein the welding seams of the three rib plates and the bottom plate are in a cross shape, and when in welding, the bottom plate is fixed and rotated by utilizing a position changing machine, so that a worker or a welding robot at one side of the position changing machine can obtain ideal welding vision and positions, and the three rib plates can be welded onto the bottom plate in sequence and adjacent rib plates can be welded.
However, in the welding process, because the bottom plate is located below the rib plate, the positioning device for positioning the rib plate is inconvenient to set on the positioner, and welding slag is easy to accumulate on the bottom plate, therefore, a worker is generally required to position the rib plate by hand, and the welding slag is cleaned in the welding process.
Disclosure of Invention
The invention aims to provide power transmission tower foot welding equipment for solving the defects caused by the prior art.
The welding equipment for the tower feet of the power transmission towers comprises a position changing machine, a rib plate positioning mechanism, a bottom plate positioning mechanism and a bottom plate displacement mechanism, wherein a welding area is arranged on the side of the position changing machine, the rib plate positioning mechanism is arranged on the position changing machine, the bottom plate positioning mechanism is arranged on the rib plate positioning mechanism or the position changing machine through the bottom plate displacement mechanism, and the welding area is positioned on the side of the position changing machine;
the rib plate positioning mechanism comprises rib plate positioning columns and a base, wherein the base is arranged on the positioner, a plurality of rib plate positioning columns are arranged on the base, rib plate limiting grooves are formed in one side of each rib plate positioning column, the width of each rib plate limiting groove is matched with the thickness of each rib plate, and the rib plate positioning columns are matched with the opposite side rib plates or the opposite side rib plate positioning columns to clamp and position the rib plates between the two rib plate positioning columns.
Preferably, the rib plate positioning columns are provided with four rib plate limiting grooves on two opposite rib plate positioning columns, which are positioned on the same straight line, and the adjacent rib plate limiting grooves on two rib plate positioning columns are arranged in a non-parallel mode.
Preferably, a through hole communicated with the rib plate limiting groove is formed in the rib plate positioning column, a supporting column matched with the hole wall in a sliding sealing mode is inserted in the through hole, a hydraulic driving mechanism connected with the supporting column is arranged in the rib plate positioning column, and the supporting column clamps and positions the rib plate by means of driving of the hydraulic driving mechanism.
Preferably, through holes and supporting columns are arranged on two sides of the rib plate limiting groove and on the groove wall between the two sides.
Preferably, the hydraulic driving mechanism comprises a transmission piston rod and a reset spring, an air hole communicated with the through hole is formed in the rib plate positioning column, one end of the transmission piston rod is inserted into the air hole and is in sliding seal, the reset spring is sleeved on the transmission piston rod, one end of the reset spring is connected with the rib plate positioning column, and the other end of the reset spring is connected with the transmission piston rod;
the transmission piston rod is positioned on the movement path of the bottom plate positioning mechanism, and the bottom plate positioning mechanism drives the transmission piston rod in the process of moving towards the rib plate, so that the transmission piston rod drives the support column to clamp and position the rib plate inserted into the rib plate limiting groove by means of fluid medium in the air hole.
Preferably, the bottom plate positioning mechanism comprises bearing seats, bottom plate positioning clamping plates, screws and nuts, wherein the number of the bearing seats corresponds to that of the rib plate positioning columns, the bearing seats are horizontally arranged on the bottom plate displacement mechanism, and the transmission piston rods are positioned on a movement path at one end of the bearing seats;
the screw rod sets up the other end of supporting seat, the nut sets up on the screw rod, the bottom plate locating splint is located between nut and the supporting seat to be provided with the round hole that supplies the screw rod to pass.
Preferably, the bottom plate positioning clamping plate is provided with a circumferential limiting rod parallel to the screw rod, and the bearing bracket is provided with a guide hole for sliding insertion of the circumferential limiting rod.
Preferably, the rib plate positioning column is internally provided with a cylindrical hole, the bottom plate displacement mechanism comprises a lifting piston rod and a guide pipe communicated with the cylindrical hole, one end of the lifting piston rod is inserted into the cylindrical hole and is in sliding seal, and the other end of the lifting piston rod is connected with the bearing seat.
The invention has the advantages that:
1. according to the invention, the rib plate positioning mechanism is used for positioning and fixing the rib plates on the positioner, and the bottom plate can be spliced with the rib plates simultaneously after being positioned by virtue of the bottom plate displacement mechanism and the bottom plate positioning mechanism, so that the welding efficiency and the welding precision of the tower foot are improved.
2. The invention adopts a splicing mode that a plurality of rib plates are arranged below and the bottom plate is arranged above, so that the problem that the rib plates are not easy to position due to the fact that the bottom plate is arranged below and the rib plates are arranged above during welding is solved, and welding slag generated during welding cannot fall onto the bottom plate to influence the welding of the bottom plate and the rib plates.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the rib plate positioning mechanism and the bottom plate positioning mechanism of the present invention.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a sectional view of fig. 3 in the direction a.
Fig. 5 is a schematic structural view of a tower foot.
Reference numerals in the drawings are respectively as follows:
1-a positioner; 2-a rib plate positioning mechanism; 3-a base plate positioning mechanism; 4-a floor displacement mechanism; 5-a circumferential limiting rod; 6-rib plate limit grooves; 7-through holes; 8-a hydraulic drive mechanism; 9-prop against the column; 10-air holes; 11-a cylindrical hole;
201-rib plate positioning columns; 202-a base;
301-a support bracket; 302-a bottom plate positioning clamp plate; 303-screw; 304-a nut;
401-lifting a piston rod; 402-catheters;
801-a drive piston rod; 802-return spring.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 5, a welding device for a tower foot of a power transmission tower comprises a positioner 1, a rib plate positioning mechanism 2, a bottom plate positioning mechanism 3 and a bottom plate displacement mechanism 4, wherein a welding area (not shown in the figure) is arranged on the side of the positioner 1, the rib plate positioning mechanism 2 is arranged on a positioning disc of the positioner 1, the bottom plate positioning mechanism 3 is arranged on the rib plate positioning mechanism 2 or the positioning disc of the positioner 1 through the bottom plate displacement mechanism 4, and the welding area is positioned on the side of the positioner 1.
The rib plate positioning mechanism 2 comprises rib plate positioning columns 201 and a base 202, the base 202 is arranged on a positioning disc of the positioner 1, a plurality of rib plate positioning columns 201 are arranged on the base 202, rib plate limiting grooves 6 are formed in one sides of the rib plate positioning columns 201, the width of each rib plate limiting groove 6 is matched with the thickness of a rib plate, and the rib plate positioning columns 201 are matched with opposite side rib plates or opposite side rib plate positioning columns 201 to clamp and position the rib plate positioned between the rib plate positioning columns.
The invention is different from the mode of fixing the bottom plate on the position changing machine 1 and then splicing the rib plates on the bottom plate in sequence and welding the bottom plate, particularly adopts the splicing mode that a plurality of rib plates are arranged on the bottom plate at the upper side, the rib plates are arranged on the positioning disc of the position changing machine 1 by virtue of the rib plate positioning mechanism 2, and the bottom plate can be spliced with the rib plates at the same time after being positioned by virtue of the bottom plate displacement mechanism 4 and the bottom plate positioning mechanism 3, so that the problem that the rib plates are difficult to position due to the fact that the bottom plate is arranged at the lower side and the rib plates are arranged at the upper side during welding is solved, and welding slag generated in the welding process can not fall on the bottom plate to influence the welding of the bottom plate and the rib plates.
Specifically, the rib plate positioning columns 201 are provided with four rib plate limiting grooves 6 on two opposite rib plate positioning columns 201 are positioned on the same straight line, and the rib plate limiting grooves 6 on two adjacent rib plate positioning columns 201 are arranged in a non-parallel mode. The longer rib plate is positioned through the two rib plate positioning columns 201, and then the two short rib plates are respectively spliced with the two rib plate positioning columns 201 on two sides of the long rib plate, so that the short rib plates are kept in abutting connection with the side surfaces of the long rib plates under the positioning action of the corresponding rib plate positioning columns 201, and the positioning of the three rib plates is realized.
Wherein, can weld adjacent grid tray immediately after three gusset are positioned, can also splice with the bottom plate after three gusset, preferably weld adjacent gusset or gusset and bottom plate.
And be provided with in the gusset reference column 201 with gusset spacing groove 6 intercommunication through-hole 7, peg graft in the through-hole 7 with its pore wall sliding seal cooperation support post 9, be provided with in the gusset reference column 201 with support post 9 connected hydraulic drive mechanism 8, support post 9 with help of hydraulic drive mechanism 8 drive and carry out centre gripping location with the gusset. Through holes 7 and supporting columns 9 are formed in two sides of the rib plate limiting groove 6 and in the groove wall between the two sides, so that clamping and positioning of the rib plates from the two sides and the end parts of the rib plates are achieved, and accuracy and stability of positioning of the rib plates are improved.
The hydraulic driving mechanism 8 comprises a transmission piston rod 801 and a reset spring 802, an air hole 10 communicated with the through hole 7 is formed in the rib plate positioning column 201, one end of the transmission piston rod 801 is inserted into the air hole 10 and is in sliding sealing, the reset spring 802 is sleeved on the transmission piston rod 801, one end of the reset spring 802 is connected with the rib plate positioning column 201, and the other end of the reset spring 802 is connected with the transmission piston rod 801.
And, on the motion path of the bottom plate positioning mechanism 3 of the transmission piston rod 801, the transmission piston rod 801 is driven in the process that the bottom plate positioning mechanism 3 moves towards the rib plates, so that the transmission piston rod 801 drives the supporting column 9 to clamp and position the rib plates inserted into the rib plate limiting grooves 6 by means of fluid media in the air holes 10.
The bottom plate positioning mechanism 3 comprises bearing seats 301 corresponding to the number of the rib plate positioning columns 201, bottom plate positioning clamping plates 302, screws 303 and nuts 304, wherein the bearing seats 301 are horizontally arranged on the bottom plate displacement mechanism 4, and the transmission piston rods 801 are positioned on the movement path of one end of the bearing seats 301. The screw 303 is arranged at the other end of the bearing seat 301, the nut 304 is arranged on the screw 303, and the bottom plate positioning clamping plate 302 is positioned between the nut 304 and the bearing seat 301 and is provided with a round hole for the screw 303 to pass through.
The base plate is placed on the four support brackets 301, at which time the abutment plate is located between the four base plate locating clamp plates 302, and the spacing between the two base plate locating clamp plates 302 relative to each other is adjusted by tightening the respective nuts 304 until the four base plate locating clamp plates 302 clamp and locate the base plate in the corresponding splice position.
In order to prevent the bottom plate positioning clamping plate 302 from rotating around the screw 303 and not being easy to clamp and position the bottom plate, the bottom plate positioning clamping plate 302 is provided with a circumferential limiting rod 5 parallel to the screw 303, and the bearing seat 301 is provided with an inserting hole for sliding insertion of the circumferential limiting rod 5.
The inside of gusset reference column 201 is provided with cylindrical hole 11, and bottom plate displacement mechanism 4 includes lift piston rod 401 and the pipe 402 that communicates with cylindrical hole 11, and the one end slip of lift piston rod 401 sets up in cylindrical hole 11, and bottom plate positioning mechanism 3 sets up on lift piston rod 401, and outside oil pump or air pump is to the cylinder hole 11 pump in and take out the fluid medium through pipe 402 to realize the lift of lift piston rod 401.
The working principle of the invention is as follows:
the positions of the rib plate positioning columns 201 are moved according to the lengths of the grid plates, the bases of the adjusting rib plate positioning columns 201 are fixed on the base 202 through positioning bolts, and at the moment, the four rib plate positioning columns 201 are opposite to each other. Two ends of a long rib plate are respectively inserted into rib plate limiting grooves 6 positioned on the inner side of two corresponding rib plate positioning columns 201, the width of each rib plate limiting groove 6 is matched with the thickness of each rib plate, the distance between the groove walls of the two opposite rib plate limiting grooves 6 at two ends of the long rib plate is matched with the length of the long rib plate, the distance between one side of the long rib plate and the groove wall of each rib plate limiting groove 6 on the rib plate positioning column 201 on the same side is matched with the length of a short rib plate, namely the rib plate positioning column 201 is matched with the rib plate on the opposite side or the rib plate positioning column 201 on the opposite side to clamp and position the rib plate positioned between the two rib plates. After the bottom plate is placed on the four surrounding bearing seats 301, the four surrounding nuts 304 are rotated to push the bottom plate positioning clamping plates 302 to approach the bottom plate, so that the bottom plate is clamped and positioned, and the adjustment of the positioning position of the bottom plate can be realized. After the rib plates and the bottom plate are positioned, welding equipment or workers in the welding area weld adjacent rib plates, hydraulic oil or air in the cylindrical holes 11 is pumped out through the guide pipes 402, the lifting piston rods 401 drive the bearing brackets 301 to descend, when the bearing brackets 301 descend to the position that the bottom plate is to be spliced with the rib plates, the transmission piston rods 801 below the bearing brackets 301 are in contact with the bearing brackets, and the transmission piston rods 801 are driven to downwards, so that the hydraulic oil or air in the air holes 10 and the through holes 7 is compressed to drive the corresponding butt joint parts until the bottom plate is spliced with the rib plates, at the moment, the rib plates are clamped and positioned by the corresponding butt joint columns 9, and then the rib plates and the bottom plate are welded. Throughout the welding process, the positioner 1 rotates the rib plates and the bottom plate through the rotating base 202, so that welding seams can be processed in different directions of the tower feet.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (8)
1. The welding equipment for the tower feet of the power transmission towers is characterized by comprising a positioner (1), a rib plate positioning mechanism (2), a bottom plate positioning mechanism (3) and a bottom plate displacement mechanism (4), wherein a welding area is arranged on the side of the positioner (1), the rib plate positioning mechanism (2) is arranged on a positioning disc of the positioner (1), the bottom plate positioning mechanism (3) is arranged on the rib plate positioning mechanism (2) or the positioning disc of the positioner (1) through the bottom plate displacement mechanism (4), and the welding area is arranged on the side of the positioner (1);
the rib plate positioning mechanism (2) comprises a rib plate positioning column (201) and a base (202), the base (202) is arranged on a positioning disc of the positioner (1), a plurality of rib plate positioning columns (201) are arranged on the base (202), rib plate limiting grooves (6) are formed in one sides of the rib plate positioning columns (201), the width of each rib plate limiting groove (6) is matched with the thickness of a rib plate, and the rib plate positioning columns (201) are matched with the rib plates on the opposite sides or the rib plate positioning columns (201) on the opposite sides to clamp and position the rib plates between the rib plate positioning columns.
2. The welding equipment for the tower feet of the power transmission towers according to claim 1, wherein four rib plate positioning columns (201) are arranged, rib plate limiting grooves (6) on two opposite rib plate positioning columns (201) are positioned on the same straight line, and the rib plate limiting grooves (6) on two adjacent rib plate positioning columns (201) are arranged in a non-parallel mode.
3. The welding equipment for the tower feet of the power transmission towers according to claim 2, characterized in that through holes (7) communicated with rib plate limiting grooves (6) are formed in rib plate positioning columns (201), abutting columns (9) in sliding sealing fit with the hole walls of the through holes (7) are inserted into the through holes, hydraulic driving mechanisms (8) connected with the abutting columns (9) are arranged in the rib plate positioning columns (201), and the rib plates are clamped and positioned by means of driving of the hydraulic driving mechanisms (8).
4. A pylon foot welding apparatus according to claim 3, wherein through holes (7) and support posts (9) are provided on both sides of the gusset limiting groove (6) and on the groove wall between both sides.
5. A pylon foot welding apparatus according to claim 3, wherein the hydraulic driving mechanism (8) comprises a transmission piston rod (801) and a return spring (802), an air hole (10) communicated with the through hole (7) is arranged in the rib plate positioning column (201), one end of the transmission piston rod (801) is inserted into the air hole (10) and is in sliding seal, the return spring (802) is sleeved on the transmission piston rod (801), one end of the return spring (802) is connected with the rib plate positioning column (201), and the other end of the return spring is connected with the transmission piston rod (801);
the transmission piston rod (801) is positioned on the movement path of the bottom plate positioning mechanism (3), and the bottom plate positioning mechanism (3) drives the transmission piston rod (801) in the process of moving towards the rib plates, so that the transmission piston rod (801) drives the support column (9) to clamp and position the rib plates inserted into the rib plate limiting grooves (6) by means of fluid media in the air holes (10).
6. The pylon foot welding apparatus of claim 5 wherein the base plate positioning mechanism (3) comprises a number of support bases (301) corresponding to the number of gusset positioning posts (201), base plate positioning cleats (302), screws (303) and nuts (304), the support bases (301) being horizontally disposed on the base plate displacement mechanism (4), the drive piston rods (801) being located on the path of movement of one end of the support bases (301);
the screw rod (303) is arranged at the other end of the bearing seat (301), the nut (304) is arranged on the screw rod (303), and the bottom plate positioning clamping plate (302) is arranged between the nut (304) and the bearing seat (301) and is provided with a round hole for the screw rod (303) to pass through.
7. The welding equipment for the tower feet of the power transmission towers according to claim 6, wherein the bottom plate positioning clamping plate (302) is provided with a circumferential limiting rod (5) parallel to the screw rod (303), and the bearing seat (301) is provided with an inserting hole for sliding insertion of the circumferential limiting rod (5).
8. The welding equipment for the tower feet of the power transmission towers according to claim 6, wherein a cylindrical hole (11) is formed in the rib plate positioning column (201), the bottom plate displacement mechanism (4) comprises a lifting piston rod (401) and a guide pipe (402) communicated with the cylindrical hole (11), one end of the lifting piston rod (401) is inserted into the cylindrical hole (11) and is in sliding seal, and the other end of the lifting piston rod (401) is connected with the bearing seat (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310859482.5A CN116852019A (en) | 2023-07-13 | 2023-07-13 | Welding equipment for tower feet of power transmission towers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310859482.5A CN116852019A (en) | 2023-07-13 | 2023-07-13 | Welding equipment for tower feet of power transmission towers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116852019A true CN116852019A (en) | 2023-10-10 |
Family
ID=88223099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310859482.5A Pending CN116852019A (en) | 2023-07-13 | 2023-07-13 | Welding equipment for tower feet of power transmission towers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116852019A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900746A (en) * | 2024-03-20 | 2024-04-19 | 山西塔沃电力工程设计有限公司 | Iron tower welding piece welding platform |
-
2023
- 2023-07-13 CN CN202310859482.5A patent/CN116852019A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900746A (en) * | 2024-03-20 | 2024-04-19 | 山西塔沃电力工程设计有限公司 | Iron tower welding piece welding platform |
| CN117900746B (en) * | 2024-03-20 | 2024-05-24 | 山西塔沃电力工程设计有限公司 | Iron tower welding piece welding platform |
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