Beam box welding device for crane production

Abstract

The utility model relates to the technical field of crane production, and discloses a beam box welding device for crane production, which comprises a bottom plate, and two electric welding pens are symmetrically distributed on the upper plate surface of the bottom plate. Then the device is placed on the top of a beam box, the two clamping wheels are located on the two sides of the beam box correspondingly, finally, the L-shaped plate is loosened, the two clamping wheels are driven to be close to each other through resilience force of the spring, the two clamping wheels are fixed to the two sides of the beam box in a clamped mode, and then the whole device is limited and fixed; soldering tin smoke generated during welding is sucked into the air inlet pipe by starting the exhaust fan and then discharged into the fixing box through the air outlet pipe, and finally harmful substances in the soldering tin smoke are filtered and adsorbed through the filter screen arranged in the fixing box and activated carbon arranged on the filter screen. And the situation that soldering tin smoke is directly discharged into the air to threaten the body health of workers is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to crane production technical field especially relates to a beam box welding device for crane production. BACKGROUND

[0002] The main beam of the crane is extremely high in regularity when welding, if the main beam is inclined when welding, the overall strength of the main beam will be affected, and then the lifting capacity of the crane for heavy objects will be affected. The beam box of the main beam of the crane is assembled and welded by cutting steel plates, and the beam box needs to be welded circumferentially around the main beam during assembly and welding.

[0003] After searching, it is found that the prior art has a welding device as shown in Figure 9 The welding device mainly includes a bottom plate, a pulley is arranged on the lower plate surface of the bottom plate, two symmetrical electric welding pens are arranged on the upper plate surface of the bottom plate, and a motor is further arranged in the bottom plate. When in use, the whole device is directly placed on the beam box, so that the two electric welding pens are located on the gap between the adjacent two steel plates, and then the motor arranged in the bottom plate drives the whole device to slowly move on the top of the beam box, and the two electric welding pens are used to weld the adjacent two steel plates, thereby effectively improving the welding efficiency and reducing the labor amount of workers.

[0004] However, the above welding device still has many deficiencies in actual use: the above welding device lacks a limiting mechanism, if the top of the beam box contains sundries or solid particles with large volume, the pulley will shake when moving on the top of the beam box, so that the whole device is deviated, and then the welding precision is affected. In addition, the above welding device cannot absorb and purify the solder fume generated during welding, so that the solder fume is dispersed in the air, and the solder fume contains certain toxicity, thereby threatening the health of workers. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a beam box welding device for crane production, which has the advantages of limiting the welding device and purifying solder fume, and solves the problems in the above background art.

[0006] The utility model provides the following technical scheme: a beam box welding device for crane production, including the bottom plate, the upper plate surface of the bottom plate is provided with two electric welding pens in symmetrical distribution, the lower plate surface of the bottom plate is provided with the pulley, both sides of the bottom plate are provided with two installation frames in symmetrical distribution and are fixedly installed, the installation frame is slidably inserted with the L type board, one end of the L type board is rotatably installed with the clamping wheel, one side of the bottom plate is fixedly installed with the mounting plate, and the upper plate surface of the mounting plate is provided with a purification mechanism.

[0007] Preferably, the L-shaped plate is inserted at one end of the mounting frame, a spring is fixedly installed, and the other end of the spring is fixedly connected with one side of the inner wall of the mounting frame.

[0008] Preferably, the purification mechanism comprises two mounting blocks fixedly installed on the plate surface of the mounting plate in a symmetrical distribution, an installation hole is formed in one side of each of the two mounting blocks, an exhaust fan is arranged in the installation hole, an air inlet pipe is arranged on one side of each of the two mounting blocks, an air outlet pipe is arranged on the opposite side of each of the two mounting blocks, a purification box is arranged on the plate surface of the mounting plate, and the opposite ends of the two air outlet pipes are in communication with the purification box.

[0009] Preferably, the purification box comprises a fixed box fixedly installed on the plate surface of the mounting plate, a filter screen is detachably installed in the fixed box, and activated carbon is arranged on the filter screen.

[0010] Preferably, two plug plates are fixedly installed on the two sides of the filter screen in a symmetrical distribution, two sliding grooves are formed in the two sides of the inner wall of the fixed box in a symmetrical distribution, the two plug plates are respectively slidably inserted into the two sliding grooves, a bolt is threadedly inserted into the upper plate surface of the plug plate, and the bolt penetrates through the plug plate and is threadedly inserted into the sliding groove.

[0011] Preferably, an inclined plate is fixedly installed on one side of the bottom plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By pulling the L-shaped plate, the two L-shaped plates are away from the clamping wheels and stretch the spring, then the device is placed on the top of the beam box, so that the two clamping wheels are located on the two sides of the beam box, finally the L-shaped plate is loosened, and the spring drives the two clamping wheels to approach each other, so that the two clamping wheels are clamped and fixed on the two sides of the beam box, and then the whole device is fixed.

[0014] 2. By starting the exhaust fan, the solder fume generated during welding is sucked into the air inlet pipe, then the solder fume is discharged into the fixed box through the air outlet pipe, finally the filter screen arranged in the fixed box and the activated carbon arranged on the filter screen filter and adsorb the harmful substances in the solder fume, so that the workers' health is not threatened by directly discharging the solder fume into the air. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The whole structure of the utility model is shown Figure 1 ;

[0016] Figure 2 The whole structure of the utility model is shown Figure 2 ;

[0017] Figure 3The utility model discloses Figure 1 The utility model discloses

[0018] Figure 4 The utility model discloses

[0019] Figure 5 The utility model discloses Figure 4 The utility model discloses Figure 1 ;

[0020] Figure 6 The utility model discloses Figure 4 The utility model discloses Figure 2 ;

[0021] Figure 7 The utility model discloses

[0022] Figure 8 The utility model discloses Figure 6 The utility model discloses

[0023] Figure 9 The utility model discloses

[0024] 1, bottom plate, 2, electric welding pen, 3, pulley, 4, mounting frame, 5, L type board, 6, clamping wheel, 7, mounting plate, 8, spring, 9, mounting block, 10, mounting hole, 11, exhaust fan, 12, air inlet pipe, 13, air outlet pipe, 14, fixed box, 15, filter screen, 16, plugboard, 17, sliding slot, 18, bolt, 19, inclined plate. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range protected by the utility model.

[0026] Please refer to Figures 1-8 A beam box welding device for crane production, including bottom plate 1, the upper plate surface of bottom plate 1 is symmetrically provided with two electric welding pens 2, the lower plate surface of bottom plate 1 is provided with pulley 3, both sides of bottom plate 1 are symmetrically fixedly provided with two mounting frames 4, L type board 5 is slidably inserted in mounting frame 4, clamping wheel 6 is rotatably installed at one end of L type board 5, mounting plate 7 is fixedly installed at one side of bottom plate 1, the upper plate surface of mounting plate 7 is provided with purification mechanism, (electric welding pen 2 is prior art, and its specific structure and principle are not described in the utility model)

[0027] Please refer toFigure 3 The spring 8 is fixedly installed at one end of the mounting frame 4, and the other end of the spring 8 is fixedly connected to one side of the inner wall of the mounting frame 4, so that the device can be applied to beam boxes of different sizes, and the clamping effect of the clamping wheel 6 on the side wall of the beam box is improved.

[0028] Please refer to Figures 4-5 The purification mechanism comprises two mounting blocks 9 fixedly installed on the plate surface of the mounting plate 7 in a symmetrical manner, an installation hole 10 is formed in one side of each of the two mounting blocks 9, an exhaust fan 11 is arranged in the installation hole 10, an air inlet pipe 12 is arranged on one side of each of the two mounting blocks 9, an air outlet pipe 13 is arranged on the opposite side of each of the two mounting blocks 9, a purification tank is arranged on the upper plate surface of the mounting plate 7, one end of each of the two air outlet pipes 13 opposite to each other is in communication with the purification tank, the air inlet pipe 12 is a hard pipe, the length of the air outlet pipe 13 is long enough, and the exhaust fan 11 is driven by a motor.

[0029] Please refer to Figures 5-6 The purification tank comprises a fixed tank 14 fixedly installed on the plate surface of the mounting plate 7, and a filter screen 15 is detachably installed in the fixed tank 14, and activated carbon is arranged on the filter screen 15, wherein the activated carbon is used for adsorbing harmful gases in the solder fume, and the purification tank can also be replaced by a soldering purifier (the soldering purifier is prior art).

[0030] Please refer to Figure 8 Two plug-in plates 16 are fixedly installed on the two sides of the filter screen 15 in a symmetrical manner, two sliding grooves 17 are formed in the inner walls of the fixed tank 14 in a symmetrical manner, the two plug-in plates 16 are respectively slidably inserted into the two sliding grooves 17, a bolt 18 is threadedly inserted into the upper plate surface of the plug-in plate 16 and penetrates through the plug-in plate 16 and is threadedly inserted into the sliding groove 17, when the filter screen 15 is disassembled, the bolt 18 is first removed from the plug-in plate 16 by using a tool, and then the filter screen 15 is directly pulled upward, so that the plug-in plate 16 slides upward in the sliding groove 17, until the filter screen 15 is completely removed from the fixed tank 14, which facilitates the cleaning of the filter screen 15 and the replacement of the activated carbon on the filter screen 15.

[0031] Please refer to Figure 2 One side of the bottom plate 1 is fixedly installed with an inclined plate 19, which can push away solid impurities on the top of the beam box when the device moves on the top of the beam box, so as to avoid the shaking of the pulley 3 when the pulley 3 rolls over the impurities, thereby avoiding the deviation of the whole device.

[0032] Working principle: when in use, place the whole device on the top of the beam box, so that the pulley 3 is in contact with the top of the beam box, then pull the two L-shaped plates 5, so that the two L-shaped plates 5 slide in the two mounting frames 4 respectively and move away from each other, at the same time drive the two clamping wheels 6 to move away from each other and stretch the spring 8, so as to adjust the distance between the two clamping wheels 6, so that the device can be suitable for different size beam boxes, then place the two clamping wheels 6 on the two side walls of the beam box respectively, finally loosen the L-shaped plate 5, drive the two L-shaped plates 5 and the two clamping wheels 6 to move and move close to each other by the elastic force of the spring 8, so that the clamping wheel 6 is clamped and fixed on the two side walls of the beam box, so as to fix the whole device, finally use the electric welding pen 2 to weld the beam box, and drive the pulley 3 to rotate through the motor arranged in the bottom plate 1, so that the whole device can slowly move on the top of the beam box and weld the beam box, when welding, the exhaust fan 11 can be driven to rotate by external power supply, the solder smoke generated during welding is sucked into the air inlet pipe 12 by the rotation of the exhaust fan 11, the solder smoke in the air inlet pipe 12 is sucked into the fixed box 14 through the air outlet pipe 13, the solder smoke in the fixed box 14 is purified by the activated carbon arranged on the filter screen 15, and the purified smoke is discharged into the air through the top of the fixed box 14.

Claims

1. A beam box welding device for crane production, comprising a base plate (1), the upper plate surface of the base plate (1) is provided with two electric welding pens (2) in symmetrical distribution, the lower plate surface of the base plate (1) is provided with a pulley (3), characterized in that: Both sides of the bottom plate (1) are symmetrically provided with two mounting frames (4), the L-shaped plate (5) is slidably inserted into the mounting frame (4), one end of the L-shaped plate (5) is rotatably provided with a clamping wheel (6), one side of the bottom plate (1) is fixedly provided with a mounting plate (7), and the upper plate surface of the mounting plate (7) is provided with a purification mechanism.

2. A beam box welding device for a crane production as claimed in claim 1, characterized in that: One end of the L-shaped plate (5) is fixedly provided with a spring (8), and the other end of the spring (8) is fixedly connected with one side of the inner wall of the mounting frame (4).

3. The beam box welding device for crane production according to claim 1, characterized in that: The purification mechanism comprises two mounting blocks (9) symmetrically fixedly installed on the upper plate surface of the mounting plate (7), an installation hole (10) is formed in one side of each of the two mounting blocks (9), an exhaust fan (11) is arranged in the installation hole (10), an air inlet pipe (12) is arranged on one side of each of the two mounting blocks (9), an air outlet pipe (13) is arranged on the opposite side of each of the two mounting blocks (9), the upper plate surface of the mounting plate (7) is provided with a purification box, and the opposite ends of the two air outlet pipes (13) are in communication with the purification box.

4. A beam box welding device for a crane production as claimed in claim 3, characterized in that: The purification box comprises a fixed box (14) fixedly installed on the upper plate surface of the mounting plate (7), a filter screen (15) is detachably installed in the fixed box (14), and activated carbon is arranged on the filter screen (15).

5. A beam box welding device for crane production as claimed in claim 4, characterized in that: Both sides of the filter screen (15) are symmetrically provided with two plug-in plates (16), both sides of the inner wall of the fixed box (14) are symmetrically provided with two sliding grooves (17), the two plug-in plates (16) are respectively slidably inserted into the two sliding grooves (17), and the upper plate surface of the plug-in plate (16) is threadedly provided with a bolt (18), and the bolt (18) penetrates through the plug-in plate (16) and is threadedly inserted into the sliding groove (17).

6. A beam box welding device for crane production as claimed in claim 1, characterized in that: One side of the bottom plate (1) is fixedly provided with an inclined plate (19).

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