A welding fixing device for roadbed box

Abstract

The invention discloses a welding and fixing device for a roadbed box, and relates to the technical field of roadbed box processing devices. The welding and fixing device for the roadbed box comprises a workbench, a surface of the workbench is provided with a slide groove 1, an inner wall of the slide groove 1 is slidably installed with a slide frame, a surface of the slide frame is provided with a welding mechanism, a surface of the workbench is provided with a slide groove 2, an interior of the slide groove 2 is fixedly installed with a cylinder 1, and also comprises: a main beam fixing device, the fixing device comprises a pushing rod, a pushing frame, a latch, a lifting plate, a receiving plate, a receiving rod, a main beam clamping block, an L-shaped plate and a fixing rod. The welding and fixing device for the roadbed box can realize the fixing and welding of multiple main beams at one time, thereby improving the welding efficiency of the roadbed box, and at the same time, the overall welding steps of the roadbed box can be completed above the workbench, without the need to transfer the roadbed box for subsequent bottom plate welding, thereby further improving the welding efficiency of the roadbed box.

Description

Technical Field

[0001] The invention relates to the technical field of roadbed box processing devices, in particular to a welding and fixing device for a roadbed box. Background Art

[0002] The roadbed box (also called roadbed support box, foundation box, foundation fixing box, etc.) is a common equipment in transportation infrastructure projects such as railways and subways, especially in structures such as tunnels and bridges. It is mainly composed of side beams, main beams, secondary beams and bottom plates, and is used to fix tracks, support structures or provide foundation support. In order to ensure that the roadbed box can be stably installed and used for a long time, some welding fixtures are usually required to ensure its firmness and stability.

[0003] The patent with the patent announcement number CN216298405U relates to a welding fixture for a roadbed box, which can accurately position and weld the short beams in the frame body, and has high welding efficiency and high welding precision. It includes a workbench for placing the frame body, which is a hollow structure matching the frame body, and parallel welding robots are arranged along the outer length direction of the workbench. The surface of the workbench is provided with a fixed transverse clamp and a fixed longitudinal clamp that abut against one side of the short beam and long beam inside the frame body. The workbench is also provided with a transverse movable clamp array and a longitudinal movable clamp array. The transverse movable clamp of the transverse movable clamp array and the longitudinal movable clamp of the longitudinal movable array move smoothly under the drive of the power drive mechanism, and respectively cooperate with the fixed transverse clamp and the fixed longitudinal clamp to clamp the short beam and long beam of the frame body.

[0004] In the above patent, the short cross beams in the frame body can be accurately positioned and welded, which not only has high welding efficiency but also high welding accuracy. However, when welding the side beams and the main beams, it is necessary to transfer the equipment to realize the welding and fixing work of the roadbed boxes with different processing degrees, thereby increasing the welding difficulty of the roadbed boxes. For this reason, a roadbed box welding device with a better clamping and fixing device is designed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a welding fixing device for a roadbed box, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a welding fixing device for a roadbed box, comprising a workbench, a slide groove 1 is provided on the surface of the workbench, a sliding frame is slidably installed on the inner wall of the slide groove 1, a welding mechanism is arranged on the surface of the sliding frame, a slide groove 2 is provided on the surface of the workbench, a cylinder 1 is fixedly installed inside the slide groove 2, a transverse clamping plate is fixedly installed on the output end of the cylinder 1, a slide groove 3 is provided on the surface of the workbench, a cylinder 2 is fixedly installed inside the slide groove 3, and a longitudinal clamping plate is fixedly installed on the output end of the cylinder 2, and also comprises: a main beam fixing device, the fixing device comprises a pushing rod, a pushing frame, a latch, a lifting plate, a receiving plate, a receiving rod, a main beam clamping block, an L-shaped plate and a fixing rod, and then the cylinder 1 and the cylinder 2 are started, the output end of the cylinder 1 moves to drive the transverse clamping plate to move, and the output end of the cylinder 2 moves to drive the longitudinal clamping plate The clamping plate moves, and the pushing rod is fixedly installed on the side of the longitudinal clamping plate away from the cylinder two, and the pushing frame is slidably installed in the inside of the slide groove three, and a card slot is opened on the surface of the pushing frame, and the latch is slidably installed in the inside of the card slot, and the lifting plate is slidably installed on the inner wall of the slide groove three, and the supporting plate is fixedly installed under the lifting plate, and the supporting rod is fixedly passed through the left and right walls of the supporting plate, and a slide groove four is opened on the surface of the lifting plate, and the main beam clamping block is slidably installed in the inside of the slide groove four, and the L-shaped plate is fixedly installed under the main beam clamping block, and the fixing rod is fixedly passed through the inner and outer walls of the pushing frame, and a guide groove is opened on the surface of the pushing frame, and the supporting rod contacts with the inner wall of the guide groove, and the L-shaped plate moves to drive the main beam clamping block to move and contact and clamp and fix the main beam, and then the main beam and the side beam are welded by the sliding frame and the welding mechanism, thereby realizing the fixation and welding of multiple main beams at one time.

[0007] According to the above technical solution, a limiting groove is provided on the surface of the pushing rod, the pin is in contact with the limiting groove, and a plurality of main beam fixing devices are provided on the surface of the pushing frame. When it is necessary to weld the bottom plate of the roadbed box, the pin is moved upward to disengage from the limiting groove on the surface of the pushing rod. After disengagement, the pushing rod will not drive the pushing frame to move when it moves.

[0008] According to the above technical solution, the side of the L-shaped plate close to the fixed rod is set as a bevel surface one, and a spring No. 1 is arranged between the L-shaped plate and the inner wall of the slide groove four, and the spring No. 1 can drive the L-shaped plate to reset.

[0009] The cam is provided with a secondary beam fixing device for clamping the secondary beam, and the secondary beam fixing device comprises a driven plate and a supporting block, and the driven plate is slidably installed in the inner part of the slide slot three, and the supporting block is fixedly installed under the driven plate, and the secondary beam fixing device also comprises a fixed shaft, a connecting rod, a secondary beam clamping block, a receiving shaft and a fixed plate, and the pushing frame drives the fixing plate to move, and the fixing plate moves to contact and squeeze the supporting block to move upward, and the supporting block moves upward to drive the driven plate to move upward, and the fixing shaft is fixedly installed at the bottom of the inner wall of the slide slot three, and the connecting rod is rotatably installed on the circumferential surface of the fixed shaft, and a moving groove is opened on the surface of the driven plate, and the secondary beam clamping block is slidably installed in the inner part of the moving groove, and the receiving shaft is fixedly penetrated through the left and right walls of the secondary beam clamping block, and the fixed plate is fixedly installed on the outer wall of the pushing frame, and the connecting rod moves laterally to drive the secondary beam clamping block to move laterally in a direction close to the fixed shaft, and the secondary beam clamping block moves laterally to contact and clamp and fix the secondary beam, so as to facilitate welding of the secondary beam of the roadbed box.

[0010] According to the above technical solution, one end of the connecting rod away from the fixed shaft is rotatably connected to the circumferential surface of the receiving shaft, the lower part of the support block is set as bevel cut surface 2, and the side of the fixed plate close to the support block is set as bevel cut surface 3. The movement of the fixed plate drives the support block upward through bevel cut surface 3 and bevel cut surface 2.

[0011] According to the above technical solution, a receiving groove is provided on the surface of the support block, and a No. 2 spring is provided between the driven plate and the bottom of the inner wall of the slide groove three, and the No. 2 spring can drive the driven plate to reset.

[0012] According to the above technical solution, a calibration device for assisting the calibration of the secondary beam is provided on the surface of the driven plate, and the calibration device includes a blocking plate, a support seat, a rotating shaft, a rotating rod, a knocking rod, a knocking block and a stopper. The secondary beam clamp moves to clamp and fix the secondary beam while driving the blocking plate to move. The blocking plate is fixedly installed on the surface of the secondary beam clamp, the support seat is fixedly installed below the blocking plate, the rotating shaft rotates and passes through the left and right walls of the support seat, the rotating rod is fixedly installed on the circumferential surface of the rotating shaft, the knocking rod is fixedly installed on the circumferential surface of the rotating shaft, the knocking block is fixedly installed on the end of the knocking rod away from the rotating shaft, and the stopper is fixedly installed below the driven plate. The movement of the blocking plate can effectively close the moving groove on the surface of the driven plate.

[0013] According to the above technical solution, the blocking plate is slidably connected to the bottom of the driven plate, the end of the rotating rod close to the stop block is set as arc surface one, and the bottom of the stop block is set as arc surface two, the knocking rod is elastic, and the rotation of the knocking rod drives the knocking block to rotate, and the knocking block rotates to contact the secondary beam clamp and knock it.

[0014] The present invention provides a welding fixing device for a roadbed box. It has the following beneficial effects:

[0015] (1) The welding fixing device for the roadbed box cooperates with the longitudinal clamping plate, the pushing rod, the limiting groove, the pushing frame, the card groove, the guide groove, the latch, the lifting plate, the slide groove 4, the receiving plate, the receiving rod, the main beam clamping block, the L-shaped plate, the fixing rod and the No. 1 spring to enable the longitudinal clamping plate to drive the main beam clamping block to clamp and fix the main beam during the process of clamping the side beam, thereby achieving the fixation and welding of multiple main beams at one time, thereby improving the welding efficiency of the roadbed box. At the same time, when it is necessary to weld the bottom plate of the roadbed box, the limit of the pushing frame is released by the latch, so that the main beam clamping block will not affect the bottom plate welding of the roadbed box, so that the overall welding steps of the roadbed box can be completed above the workbench, without the need to transfer the roadbed box for subsequent bottom plate welding, thereby further improving the welding efficiency of the roadbed box.

[0016] (2) The welding fixture for the roadbed box, through the cooperation between the driven plate, the support block, the fixed shaft, the connecting rod, the secondary beam clamp, the receiving shaft, the fixed plate, the movable groove, the storage groove and the No. 2 spring, realizes the clamping of the secondary beam by the secondary beam clamp through the push frame, so as to facilitate the welding of the secondary beam of the roadbed box, improve the welding efficiency of the roadbed box, avoid the influence of the position displacement of the secondary beam during welding on the strength of the roadbed box, and ensure that the secondary beam will not produce uneven stress or dislocation due to deformation during the welding process, and ensure that the size and shape after welding meet the design requirements. At the same time, under the action of the No. 2 spring, it can ensure that the secondary beam clamp will not affect the welding of the bottom plate, further improving the welding efficiency of the roadbed box.

[0017] (3) The welding fixing device for the roadbed box cooperates with the blocking plate, the support seat, the rotating shaft, the rotating rod, the knocking rod, the knocking block and the stopper to prevent the welding slag from entering the interior of the slide groove three through the moving groove during the welding process through the blocking plate when the secondary beam clamp is clamping and fixing the secondary beam, thereby effectively reducing the subsequent maintenance cost of the equipment. At the same time, the knocking rod rotates to drive the knocking block to rotate and knock on the secondary beam clamp. The knocking can enable the secondary beam clamp to calibrate the secondary beam during the clamping and fixing process, ensuring that the secondary beam is correctly centered during the clamping process, thereby avoiding deviations and ensuring subsequent processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the position structure of the slide slot 3 and the push frame of the present invention;

[0020] Figure 3 This is a schematic diagram of the position structure of the push frame and the driven plate of the present invention;

[0021] Figure 4 This is a schematic diagram of the position structure of the push frame and the push rod of the present invention;

[0022] Figure 5 For the present invention Figure 4 The enlarged structural diagram of part A in the middle;

[0023] Figure 6 It is a schematic diagram of the position structure of the secondary beam clamp block and the baffle plate of the present invention;

[0024] Figure 7 It is a schematic diagram of the position structure of the secondary beam clamp and the knocking rod of the present invention.

[0025] In the figure: 1, workbench; 101, slideway 1; 102, slideway 2; 103, slideway 3; 2, sliding frame; 3, welding mechanism; 4, cylinder 1; 5, horizontal clamping plate; 6, cylinder 2; 7, longitudinal clamping plate; 8, push rod; 801, limit groove; 9, push frame; 901, card slot; 902, guide groove; 10, latch; 11, lifting plate; 1101, slideway 4; 12, receiving plate; 13, receiving rod; 14, main beam clamping block; 15, L shaped plate; 16, fixed rod; 17, No. 1 spring; 181, driven plate; 182, support block; 183, fixed shaft; 184, connecting rod; 185, secondary beam clamp; 186, receiving shaft; 187, fixed plate; 188, movable groove; 189, storage groove; 1810, No. 2 spring; 191, blocking plate; 192, support seat; 193, rotating shaft; 194, rotating rod; 195, knocking rod; 196, knocking block; 197, stopper. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 7One embodiment of the present invention is: a welding fixing device for a roadbed box, comprising a workbench 1, a slide groove 101 is provided on the surface of the workbench 1, a sliding frame 2 is slidably installed on the inner wall of the slide groove 101, a welding mechanism 3 is arranged on the surface of the sliding frame 2, a slide groove 102 is provided on the surface of the workbench 1, a cylinder 104 is fixedly installed inside the slide groove 102, a transverse clamping plate 5 is fixedly installed on the output end of the cylinder 104, a slide groove 3 103 is provided on the surface of the workbench 1, and a slide groove 3 103 is fixedly installed inside the slide groove 103 The cylinder 2 is equipped with a cylinder 6, the output end of the cylinder 2 is fixedly installed with a longitudinal clamping plate 7, and also includes: a main beam fixing device, the fixing device includes a push rod 8, a push frame 9, a latch 10, a lifting plate 11, a receiving plate 12, a receiving rod 13, a main beam clamping block 14, an L-shaped plate 15 and a fixing rod 16, and then the cylinder 1 4 and the cylinder 2 6 are started, the output end of the cylinder 1 4 moves to drive the horizontal clamping plate 5 to move, the output end of the cylinder 2 6 moves to drive the longitudinal clamping plate 7 to move, and the push rod 8 is fixedly installed on the longitudinal clamping plate 7 away from the cylinder 2 6 On one side, the push frame 9 is slidably installed in the inside of the slide groove 3 103, the surface of the push frame 9 is provided with a card slot 901, the latch 10 is slidably installed in the inside of the card slot 901, the lifting plate 11 is slidably installed on the inner wall of the slide groove 3 103, the receiving plate 12 is fixedly installed under the lifting plate 11, the receiving rod 13 is fixedly passed through the left and right walls of the receiving plate 12, the surface of the lifting plate 11 is provided with a slide groove 4 1101, the main beam clamp 14 is slidably installed in the inside of the slide groove 4 1101, and the L-shaped plate 15 is fixedly installed on the main beam Below the clamping block 14, the fixing rod 16 is fixedly passed through the inner and outer walls of the pushing frame 9. A guide groove 902 is opened on the surface of the pushing frame 9. The receiving rod 13 contacts the inner wall of the guide groove 902. The L-shaped plate 15 moves to drive the main beam clamping block 14 to move, contact and clamp the main beam, and then the main beam and the side beam are welded through the sliding frame 2 and the welding mechanism 3, thereby realizing the fixation and welding of multiple main beams at one time. At the same time, there is no need to transfer the roadbed box for subsequent bottom plate welding, which further improves the welding efficiency of the roadbed box.

[0028] A limiting groove 801 is provided on the surface of the pushing rod 8, and the pin 10 contacts the limiting groove 801. A plurality of main beam fixing devices are provided on the surface of the pushing frame 9. When it is necessary to weld the bottom plate of the roadbed box, the pin 10 is moved upward to disengage from the limiting groove 801 on the surface of the pushing rod 8. After disengagement, the pushing rod 8 will not drive the pushing frame 9 to move when moving.

[0029] A side of the L-shaped plate 15 close to the fixing rod 16 is set as a bevel surface 1, and a spring 17 is arranged between the L-shaped plate 15 and the inner wall of the fourth slide groove 1101, and the spring 17 can drive the L-shaped plate 15 to reset.

[0030] When this embodiment is working: the main beam and the side beam are placed above the workbench 1 respectively, and then the cylinder 1 4 and the cylinder 2 6 are started. The output end of the cylinder 1 4 moves to drive the horizontal clamping plate 5 to move, and the output end of the cylinder 2 6 moves to drive the longitudinal clamping plate 7 to move. In this process, the horizontal clamping plate 5 moves to contact the side beam and fixes the side beam under the action of the main beam, and the longitudinal clamping plate 7 moves to drive the pushing rod 8 to move, and the pushing rod 8 moves to drive the pushing frame 9 to move through the latch 10, and the pushing frame 9 moves through the guide groove 902 to drive the receiving rod 13 to move upward, and the receiving rod 13 moves upward to drive the receiving plate 12 to move upward, and the receiving plate 12 moves upward to drive the lifting plate 11 to move upward, and the lifting plate 11 moves upward to drive the main beam clamping block 14 to move upward, and the main beam clamping block 14 moves upward to drive the L-shaped plate 15 to move upward, and the L-shaped plate 15 moves upward to contact the fixed The fixed rod 16 moves towards the main beam under its action, and the L-shaped plate 15 moves to drive the main beam clamp 14 to move, contact and clamp the main beam, and then the main beam and the side beam are welded through the sliding frame 2 and the welding mechanism 3, thereby realizing the fixation and welding of multiple main beams at one time, thereby improving the welding efficiency of the roadbed box. At the same time, when it is necessary to weld the bottom plate of the roadbed box, the pin 10 is moved upward to disengage it from the limiting groove 801 on the surface of the pushing rod 8. After disengagement, the pushing rod 8 will not drive the pushing frame 9 to move when moving, so that the lifting plate 11 and the main beam clamp 14 will not extend out from the inside of the slide groove three 103, thereby not affecting the bottom plate welding of the roadbed box, so that the overall welding steps of the roadbed box can be completed above the workbench 1, and there is no need to transfer the roadbed box for subsequent bottom plate welding, thereby further improving the welding efficiency of the roadbed box.

[0031] See also Figure 1-Figure 7On the basis of the above embodiment, in another embodiment of the present invention, a secondary beam fixing device for clamping the secondary beam is arranged inside the third slide slot 103, and the secondary beam fixing device comprises a driven plate 181 and a support block 182, the driven plate 181 is slidably installed inside the third slide slot 103, and the support block 182 is fixedly installed below the driven plate 181, and the secondary beam fixing device also comprises a fixed shaft 183, a connecting rod 184, a secondary beam clamping block 185, a receiving shaft 186 and a fixed plate 187, when the push frame 9 moves, the fixed plate 187 is driven to move, the fixed plate 187 moves to contact and squeeze the support block 182 to move upward, and the support block 182 moves upward to drive the driven plate 181 to move upward, the fixed shaft 183 is fixedly installed at the bottom of the inner wall of the third slide slot 103, and the connecting rod 184 is fixedly installed below the driven plate 181, and the secondary beam fixing device also comprises a fixed shaft 183, a connecting rod 184, a secondary beam clamping block 185, a receiving shaft 186 and a fixed plate 187, when the push frame 9 moves, the fixed plate 187 is driven to move, and the fixed plate 187 moves to contact and squeeze the support block 182 to move upward, and the support block 182 moves upward to drive the driven plate 181 to move upward, and the fixed shaft 183 is fixedly installed at the bottom of the inner wall of the third slide slot 103, and the connecting rod 18 The secondary beam clamp 185 is rotatably mounted on the circumferential surface of the fixed shaft 183, and a moving groove 188 is provided on the surface of the driven plate 181. The secondary beam clamp 185 is slidably mounted inside the moving groove 188. The receiving shaft 186 is fixedly passed through the left and right walls of the secondary beam clamp 185. The fixed plate 187 is fixedly mounted on the outer wall of the push frame 9. The connecting rod 184 moves laterally to drive the secondary beam clamp 185 to move laterally toward the fixed shaft 183. The secondary beam clamp 185 moves laterally to contact and clamp the secondary beam, which facilitates the welding of the secondary beam of the roadbed box, improves the welding efficiency of the roadbed box, avoids the influence of the position deviation of the secondary beam during welding on the strength of the roadbed box, and ensures that the secondary beam will not produce uneven stress or dislocation due to deformation during welding, and ensures that the size and shape after welding meet the design requirements.

[0032] One end of the connecting rod 184 away from the fixed shaft 183 is rotatably connected to the circumferential surface of the receiving shaft 186, the lower part of the support block 182 is set as bevel surface 2, and the side of the fixed plate 187 close to the support block 182 is set as bevel surface 3. The movement of the fixed plate 187 drives the support block 182 upward through the bevel surface 3 and the bevel surface 2.

[0033] A receiving groove 189 is provided on the surface of the support block 182, and a No. 2 spring 1810 is provided between the driven plate 181 and the bottom of the inner wall of the sliding groove 3 103, and the No. 2 spring 1810 can drive the driven plate 181 to reset.

[0034] The surface of the driven plate 181 is provided with a calibration device for assisting the calibration of the secondary beam, and the calibration device includes a blocking plate 191, a support seat 192, a rotating shaft 193, a rotating rod 194, a knocking rod 195, a knocking block 196 and a stopper 197. The secondary beam clamp 185 moves to clamp and fix the secondary beam while driving the blocking plate 191 to move. The blocking plate 191 is fixedly installed on the surface of the secondary beam clamp 185, and the support seat 192 is fixedly installed below the blocking plate 191. The rotating shaft 193 rotates through the support seat 192. The left and right walls, the rotating rod 194 is fixedly installed on the circumferential surface of the rotating shaft 193, the knocking rod 195 is fixedly installed on the circumferential surface of the rotating shaft 193, the knocking block 196 is fixedly installed on the end of the knocking rod 195 away from the rotating shaft 193, and the stopper 197 is fixedly installed under the driven plate 181. The movement of the blocking plate 191 can effectively close the moving groove 188 on the surface of the driven plate 181, thereby preventing welding slag from entering the interior of the slide groove 103 through the moving groove 188 during the welding process, thereby effectively reducing the subsequent maintenance cost of the equipment.

[0035] The blocking plate 191 is slidably connected to the bottom of the driven plate 181, the end of the rotating rod 194 close to the stop block 197 is set as arc surface 1, and the bottom of the stop block 197 is set as arc surface 2. The knocking rod 195 is elastic, and the knocking rod 195 rotates to drive the knocking block 196 to rotate. The knocking block 196 rotates to contact the secondary beam clamp 185 and knocks it. The knocking can enable the secondary beam clamp 185 to calibrate the secondary beam during the clamping and fixing process, ensuring that the secondary beam is correctly centered during the clamping process, thereby avoiding deviations and ensuring subsequent processing accuracy.

[0036] When the present embodiment is working, the push frame 9 moves and drives the fixed plate 187 to move, the fixed plate 187 moves to contact and squeeze the support block 182 to move upward, the support block 182 moves upward and drives the driven plate 181 to move upward, the driven plate 181 moves upward and drives the secondary beam clamp 185 to move upward, the secondary beam clamp 185 moves upward and drives the receiving shaft 186 to move upward, the receiving shaft 186 moves upward and drives one end of the connecting rod 184 to move upward, and because the other end of the connecting rod 184 is rotatably connected to the fixed shaft 183, one end of the connecting rod 184 moves laterally toward the direction close to the fixed shaft 183 while moving upward, and the connecting rod 184 moves laterally and drives the secondary beam clamp 185 toward the direction close to the fixed shaft 183. The fixed shaft 183 moves laterally, and the secondary beam clamp 185 moves laterally to contact and clamp the secondary beam, which is convenient for welding the secondary beam of the roadbed box, improves the welding efficiency of the roadbed box, and avoids the influence of the position displacement of the secondary beam during welding on the strength of the roadbed box. At the same time, it ensures that the secondary beam will not produce uneven stress or dislocation due to deformation during the welding process, and ensures that the size and shape after welding meet the design requirements. At the same time, when the driven plate 181 moves upward, the second spring four 1810 is stretched and extended. When the secondary beam welding is completed and the pin 10 is removed, the driven plate 181 can ensure that the secondary beam clamp 185 has no influence on the welding of the bottom plate under the action of the second spring 1810, thereby further improving the welding efficiency of the roadbed box.

[0037] The secondary beam clamp 185 moves to clamp and fix the secondary beam while driving the blocking plate 191 to move. The movement of the blocking plate 191 can effectively close the moving groove 188 on the surface of the driven plate 181, preventing welding slag from entering the interior of the chute 103 through the moving groove 188 during the welding process, effectively reducing the subsequent maintenance cost of the equipment. At the same time, the movement of the blocking plate 191 drives the support seat 192 to move, the movement of the support seat 192 drives the rotation shaft 193 to move, and the movement of the rotation shaft 193 drives the rotation rod 194 to move. The rotating rod 194 moves to contact the stopper 197 and rotates under its action. The rotating rod 194 rotates to drive the rotating shaft 193 to rotate. The rotating shaft 193 rotates to drive the knocking rod 195 to rotate. The knocking rod 195 rotates to drive the knocking block 196 to rotate. The knocking block 196 rotates to contact the secondary beam clamp 185 and knock it. The knocking can make the secondary beam clamp 185 calibrate the secondary beam during the clamping process to ensure that the secondary beam is correctly centered during the clamping process, thereby avoiding deviations and ensuring the subsequent processing accuracy.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding fixing device for a roadbed box, comprising a workbench (1), a slide groove (101) is provided on the surface of the workbench (1), a sliding frame (2) is slidably mounted on the inner wall of the slide groove (101), a welding mechanism (3) is arranged on the surface of the sliding frame (2), a slide groove (102) is provided on the surface of the workbench (1), a cylinder (4) is fixedly mounted inside the slide groove (102), a transverse clamping plate (5) is fixedly mounted on the output end of the cylinder (4), a slide groove (103) is provided on the surface of the workbench (1), a cylinder (6) is fixedly mounted inside the slide groove (103), a longitudinal clamping plate (7) is fixedly mounted on the output end of the cylinder (6), characterized in that: Also includes: A main beam fixing device, the fixing device comprising a push rod (8), a push frame (9), a latch (10), a lifting plate (11), a receiving plate (12), a receiving rod (13), a main beam clamp (14), an L-shaped plate (15) and a fixing rod (16), the push rod (8) being fixedly mounted on a side of the longitudinal clamping plate (7) away from the second cylinder (6), the push frame (9) being slidably mounted inside a third slide groove (103), a slot (901) being provided on a surface of the push frame (9), the latch (10) being slidably mounted inside the slot (901), the lifting plate (11) being slidably mounted inside the third slide groove (103), and the lifting plate (11) being slidably mounted inside the third slide groove (103). 03), the receiving plate (12) is fixedly mounted below the lifting plate (11), the receiving rod (13) is fixedly passed through the left and right walls of the receiving plate (12), a sliding groove (1101) is provided on the surface of the lifting plate (11), the main beam clamp (14) is slidably mounted inside the sliding groove (1101), the L-shaped plate (15) is fixedly mounted below the main beam clamp (14), the fixing rod (16) is fixedly passed through the inner and outer walls of the pushing frame (9), a guide groove (902) is provided on the surface of the pushing frame (9), and the receiving rod (13) is in contact with the inner wall of the guide groove (902); A side of the L-shaped plate (15) close to the fixing rod (16) is provided with a beveled surface 1, and a spring (17) is provided between the L-shaped plate (15) and the inner wall of the sliding groove 4 (1101); Wherein, a secondary beam fixing device for clamping the secondary beam is arranged inside the third slide groove (103), and the secondary beam fixing device comprises a driven plate (181) and a support block (182), the driven plate (181) is slidably mounted inside the third slide groove (103), and the support block (182) is fixedly mounted below the driven plate (181); The secondary beam fixing device also includes a fixed shaft (183), a connecting rod (184), a secondary beam clamp (185), a receiving shaft (186) and a fixed plate (187); the fixed shaft (183) is fixedly mounted on the bottom of the inner wall of the third slide groove (103); the connecting rod (184) is rotatably mounted on the circumferential surface of the fixed shaft (183); a moving groove (188) is provided on the surface of the driven plate (181); the secondary beam clamp (185) is slidably mounted inside the moving groove (188); the receiving shaft (186) is fixedly passed through the left and right walls of the secondary beam clamp (185); and the fixed plate (187) is fixedly mounted on the outer wall of the push frame (9); A receiving groove (189) is provided on the surface of the support block (182), and a second spring (1810) is provided between the driven plate (181) and the bottom of the inner wall of the third slide groove (103); The surface of the driven plate (181) is provided with a calibration device for assisting the calibration of the secondary beam; the calibration device comprises a blocking plate (191), a support seat (192), a rotating shaft (193), a rotating rod (194), a knocking rod (195), a knocking block (196) and a stopper (197); the blocking plate (191) is fixedly mounted on the surface of the secondary beam clamping block (185); the supporting seat (192) is fixedly mounted below the blocking plate (191); the rotating shaft (193) rotates through the left and right walls of the supporting seat (192); the rotating rod (194) is fixedly mounted on the circumferential surface of the rotating shaft (193); the knocking rod (195) is fixedly mounted on the circumferential surface of the rotating shaft (193); the knocking block (196) is fixedly mounted on one end of the knocking rod (195) away from the rotating shaft (193); and the stopper (197) is fixedly mounted below the driven plate (181); The blocking plate (191) is slidably connected to the lower part of the driven plate (181); one end of the rotating rod (194) close to the stopper (197) is provided as a first arc surface; the lower part of the stopper (197) is provided as a second arc surface; and the knocking rod (195) is elastic.

2. A welding fixing device for a roadbed box according to claim 1, characterized in that: A limiting groove (801) is provided on the surface of the push rod (8), the latch pin (10) contacts the limiting groove (801), and a plurality of main beam fixing devices are provided on the surface of the push frame (9).

3. A welding fixing device for a roadbed box according to claim 1, characterized in that: One end of the connecting rod (184) away from the fixed shaft (183) is rotatably connected to the circumferential surface of the receiving shaft (186); a second bevel surface is provided below the support block (182); and a side of the fixed plate (187) close to the support block (182) is provided with a third bevel surface.

Images