阅读说明：本技术 一种自动焊接小车的行走装置 (Walking device of automatic welding trolley ) 是由 陈晓蓉 吴承贵 王洪福 李乐 校荣桂 程溢清 杨九洲 马亮 金远健 朱宇君 葛一 于 2021-05-28 设计创作，主要内容包括：本发明提供了一种自动焊接小车的行走装置,行走装置包括内部两端均设置有磁力座的自动焊接小车车体,车体外侧两端安装有导向臂,导向臂另一端伸出至车体右侧且安装有直杆,两根直杆之间安装有导向杆,导向杆两端下表面均通过螺栓间隔安装有多个导向轮和磁块；车体两侧靠近导向臂处均安装有行走轮,车体中部安装有行走驱动机构,行走驱动机构通过电机驱动齿轮传动,进而带动安装在车体中部的多个驱动轮、行走轮行走,实现焊接小车的自动行走功能。磁力座对工件上表面的吸力以及磁块对工件侧面的吸力共同保证了自动焊接小车在工件表面始终沿着一条直线平稳行驶,且不会掉落翻倒,一次性将工件的端部焊缝全部焊接完成,焊接质量好且效率高。(The invention provides a walking device of an automatic welding trolley, which comprises an automatic welding trolley body, wherein magnetic force seats are arranged at two ends of the inside of the automatic welding trolley body; the walking wheels are installed on the two sides of the trolley body close to the guide arms, the walking driving mechanism is installed in the middle of the trolley body and is driven by the motor to drive the multiple driving wheels and the walking wheels installed in the middle of the trolley body to walk, and the automatic walking function of the welding trolley is achieved. The suction of the magnetic base to the upper surface of the workpiece and the suction of the magnetic block to the side face of the workpiece jointly guarantee that the automatic welding trolley stably runs on the surface of the workpiece along a straight line all the time, the automatic welding trolley cannot fall down or overturn, the end welding seams of the workpiece are completely welded at one time, and the welding quality is good and the welding efficiency is high.)

1. The walking device of the automatic welding trolley is characterized by comprising an automatic welding trolley body (1), wherein magnetic force seats are mounted at two ends in the automatic welding trolley body (1), and a magnetic force seat switch is arranged on one side of the automatic welding trolley body; guide arms (2) are horizontally arranged on end plates (16) at two ends of the vehicle body (1), the other ends of the guide arms (2) extend out of the other side of the vehicle body (1) and are vertically and downwards provided with straight rods (7), a guide rod (11) is arranged between the two straight rods (7) at two ends of the vehicle body (1), and a plurality of guide wheels and magnetic blocks (10) are arranged on the lower surfaces at two ends of the guide rod (11) at intervals; the middle part of the vehicle body (1) is provided with a walking driving mechanism, the top of the vehicle body (1) is provided with a welding tool and a control device, and the control device is connected with the walking driving mechanism.

2. The traveling device of the automatic welding tractor according to claim 1, characterized in that the traveling driving mechanism comprises a driving motor (20) transversely installed in the tractor body (1), a driving gear (22) is installed on a motor shaft (21) of the driving motor (20), and the motor shaft (21) is movably installed on a first axial rib plate (18) and a second axial rib plate (27) inside the tractor body (1); the driving gear (22) is positioned in a first axial cavity between the first axial rib plate (18) and the second axial rib plate (27); a pair of pinions (23) are further mounted in the first axial cavities on the two sides of the driving gear (22), and the driving gear (22) is in meshing transmission with the pinions (23);

the walking driving mechanism also comprises a pair of driving shafts (24) which are respectively positioned at two sides of the driving motor (20), and two ends of each driving shaft (24) are respectively arranged on the first axial rib plate (18) and the second axial rib plate (27); the driving shafts (24) positioned in the first axial cavity are provided with large gears (19), and the large gears (19) are in meshing transmission with the small gears (23); the driving wheels (3) are mounted at two ends of the driving shaft (24), and the driving wheels (3) are located in a second axial cavity formed by a second axial rib plate (27) and a side plate (17) in the vehicle body (1).

3. The traveling device of the automatic welding carriage as claimed in claim 2, wherein the driving wheel (3) is provided with a track (25) made of a metal material, and the outer surface of the track (25) is provided with a pattern structure for increasing friction.

4. The traveling device of the automatic welding tractor as claimed in claim 2, wherein the driving wheel (3) is provided with a crawler belt (25) which is made of a material filled and formed by steel wires and high-temperature-resistant rubber as inner ribs, and a layer of gravel particles is embedded in the outer surface layer of the crawler belt (25).

5. The traveling device of the automatic welding tractor as claimed in claim 1, wherein the middle parts of two sides of the tractor body (1) are respectively provided with a first protective cover (29) with an opening at the bottom, and a plurality of traveling wheels (9) are respectively arranged in the first protective covers (29) through traveling wheel shafts (28).

6. The traveling device of the automatic welding tractor as claimed in claim 1, wherein connecting plates (31) are mounted on two sides of the tractor body (1) close to the guide arms (2), second protective covers (30) with openings at the bottoms are mounted below the connecting plates (31), and traveling wheels (9) are mounted in the second protective covers (30) through traveling wheel shafts (28).

7. The walking device of the automatic welding trolley as claimed in claim 5 or 6, wherein the walking wheel (9) is made of metal materials, and the outer surface of the walking wheel (9) is provided with a pattern structure for increasing friction force.

8. The walking device of the automatic welding trolley as claimed in claim 5 or 6, wherein the walking wheels (9) are made of high-temperature-resistant non-metallic materials.

9. The running gear of the automatic welding tractor as claimed in claim 2, characterized in that the driving wheel (3) is made of metal material, and the outer surface of the driving wheel (3) is provided with a pattern structure for increasing friction force.

10. The running gear of the automatic welding carriage as recited in claim 2, characterized in that the driving wheel (3) is made of a high temperature resistant non-metallic material.

Technical Field

The invention belongs to the technical field of welding manufacturing, and particularly relates to a walking device of an automatic welding trolley.

Background

The existing automatic welding trolley can not weld a section of welding line on the upper plane of two ends of a workpiece, an auxiliary plate is required to be additionally manually added to weld two ends of a lengthened workpiece, and the welding line on the upper plane of two ends of the workpiece can be welded only when the automatic welding trolley runs onto the auxiliary plate, which is determined by the self structure of the automatic welding trolley and can not be overcome at present, the welding mode increases labor cost and material cost, and the efficiency is extremely low.

The existing automatic welding trolley can not always travel along a straight line in the working process and often deviates; in the welding process, because the guide wheel of the automatic welding trolley only leans against the side face of a workpiece, the deviation of the trolley is corrected without external force, the welding work needs to be stopped, after manual correction is carried out, the equipment is restarted again, the welding line is disconnected, and the welding quality and the working efficiency are affected.

In addition, because the welding seam can produce high temperature in the welding process, the rubber wheel of the automatic welding trolley behind the welding seam can be burnt out, and the automatic welding trolley can not work normally, so that the automatic welding trolleys can not be used for welding at the same time, and the improvement of the working efficiency is not facilitated. Therefore, a device capable of effectively assisting the automatic welding trolley to accurately walk and improving the welding efficiency is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the travelling device of the automatic welding trolley, which can effectively ensure that the automatic welding trolley stably runs on the surface of a workpiece along a straight line all the time, cannot fall down or overturn, can realize the one-time welding completion of the end welding seam of the workpiece, and has good welding quality and high efficiency.

The present invention achieves the above-described object by the following technical means.

A walking device of an automatic welding trolley comprises an automatic welding trolley body, wherein magnetic force seats are arranged at two ends in the trolley body, and a magnetic force seat switch is arranged on one side of the trolley body; guide arms are horizontally arranged on end plates at two ends of the vehicle body, the other ends of the guide arms extend out of the other side of the vehicle body and are vertically and downwards provided with straight rods, a guide rod is arranged between the two straight rods at the two ends of the vehicle body, and a plurality of guide wheels and magnetic blocks are arranged on the lower surfaces at the two ends of the guide rod at intervals; the middle part of the vehicle body is provided with a walking driving mechanism, the top of the vehicle body is provided with a welding tool and a control device, and the control device is connected with the walking driving mechanism.

Furthermore, the walking driving mechanism comprises a driving motor transversely arranged in the vehicle body, a driving gear is arranged on a motor shaft of the driving motor, and the motor shaft is movably arranged on a first axial rib plate and a second axial rib plate in the vehicle body; the driving gear is positioned in a first axial cavity between the first axial rib plate and the second axial rib plate; a pair of pinions are further mounted in the first axial cavities on the two sides of the driving gear, and the driving gear is in meshing transmission with the pinions;

the traveling driving mechanism also comprises a pair of driving shafts which are respectively positioned at two sides of the driving motor, and two ends of each driving shaft are respectively arranged on the first axial rib plate and the second axial rib plate; the driving shafts positioned in the first axial cavity are provided with large gears, and the large gears are in meshing transmission with the small gears; and driving wheels are arranged at two ends of the driving shaft and are positioned in a second axial cavity formed by a second axial rib plate and a side plate in the vehicle body.

Further, a crawler belt made of metal materials is mounted on the driving wheel, and a pattern structure used for increasing friction force is arranged on the outer surface of the crawler belt.

Furthermore, a crawler belt which is made of filling and forming materials of steel wires and high-temperature-resistant rubber as inner ribs is installed on the driving wheel, and a layer of gravel particles is embedded in the outer surface layer of the crawler belt.

Furthermore, the middle parts of two sides of the vehicle body are respectively provided with a first protective cover with an opening at the bottom, and a plurality of travelling wheels are arranged in the first protective cover through travelling wheel shafts.

Furthermore, the positions, close to the guide arms, of the two sides of the vehicle body are provided with connecting plates, second protective covers with openings at the bottoms are arranged below the connecting plates, and traveling wheels are arranged in the second protective covers through traveling wheel shafts.

Further, the walking wheel is made of metal materials, and the outer surface of the walking wheel is provided with a pattern structure for increasing friction force.

Further, the traveling wheel is made of a high-temperature-resistant non-metallic material.

Further, the driving wheel is made of a metal material, and the outer surface of the driving wheel is provided with a pattern structure for increasing friction force.

Further, the driving wheel is made of a high-temperature-resistant non-metallic material.

The invention has the following beneficial effects:

the walking device of the automatic welding tractor provided by the invention utilizes the motor to drive the gear transmission, thereby realizing the automatic walking of the welding tractor; in the walking process, the suction force generated by the magnetic base to the workpiece is utilized to avoid the wheel from slipping, so that the welding trolley is ensured to walk stably and the surface of the workpiece is ensured; meanwhile, the welding trolley can still ensure that two thirds of the trolley body of the automatic welding trolley can still continue to perform welding operation and cannot fall and overturn when being suspended at the end part of a workpiece, so that the welding of the end part welding line of the workpiece can be completed at one time without connecting stubbles, auxiliary plates do not need to be welded at the two ends of the workpiece, the construction quality and the construction safety are effectively ensured, materials are saved, and the labor cost is saved.

The automatic welding trolley is characterized in that a guide wheel capable of walking along the side surface of a workpiece is arranged on one side of the trolley body of the automatic welding trolley, a magnetic block arranged on a guide rod has suction force on the side surface of the workpiece, so that the guide wheel can move close to the side surface of the workpiece, the automatic welding trolley can always run along a straight line until all welding seam welding operations of the whole workpiece are finished at one time, the construction continuity is ensured, the automatic welding trolley is a straight welding seam, no deviation exists, the welding quality and efficiency are greatly improved, and the problems that a section of welding seam on the planes on the two ends of the workpiece cannot be welded and the automatic welding trolley deviates are effectively solved.

The travelling wheels, the driving wheels and the crawler are made of metal materials or high-temperature-resistant non-metal materials, and can normally run on the surface of a workpiece without being damaged by high temperature, so that simultaneous construction by using a plurality of automatic welding trolleys can be realized, the working efficiency can be improved by times, the labor cost and time are saved, the construction period is advanced, and the economic benefit is improved by times.

Drawings

Fig. 1 is a schematic structural view of a walking device in embodiment 1 of the present invention;

fig. 2 is a schematic view of a left side structure of the walking device in embodiment 1 of the present invention;

fig. 3 is a schematic view of the internal structure of the vehicle body of the running gear in embodiment 1 of the invention;

FIG. 4 is a schematic view showing a traveling apparatus according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a walking device in embodiment 2 of the present invention;

fig. 6 is a schematic view of the internal structure of the vehicle body of the running gear according to embodiment 2 of the present invention.

In the figure: 1-a vehicle body; 2-a guide arm; 3-driving wheels; 4-a first guide wheel; 5-a workpiece; 6-a second guide wheel; 7-straight rod; 8-notch; 9-a traveling wheel; 10-a magnetic block; 11-a guide bar; 12-a first magnetic base; 13-a second magnetic base; 14-a first magnetic base switch; 15-a second magnetic base switch; 16-an end plate; 17-edge plates; 18-first axial web; 19-a bull gear; 20-a drive motor; 21-a motor shaft; 22-a drive gear; 23-pinion gear; 24-a drive shaft; 25-a crawler belt; 26-a screw; 27-second axial rib plate; 28-running wheel axle; 29-a first shield; 30-a second shield; 31-connecting plate.

Detailed Description

The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.

In the description of the present invention, it is to be understood that the terms "left", "right", "first", "second", etc. are used merely for convenience of description of the present invention, and thus are not to be construed as limiting the present invention; the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections, direct connections, indirect connections through intervening media, and communication between two elements; the specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1:

as shown in fig. 1, 2 and 3, the traveling device of the automatic welding tractor comprises an automatic welding tractor body 1, wherein the bottom of the automatic welding tractor body 1 is provided with an opening, a first magnetic base 12 and a second magnetic base 13 are respectively arranged at two ends inside the automatic welding tractor body 1, and a first magnetic base switch 14 and a second magnetic base switch 15 are both arranged on the left side of the automatic welding tractor body.

As shown in fig. 1, 3 and 4, the end plates 16 at both ends of the vehicle body 1 are horizontally provided with the guide arms 2, the surfaces of one ends of the guide arms 2 are provided with notches 8, and screws 26 penetrate through the notches 8 to fix one ends of the guide arms 2 on the end plates 16; the other end of the guide arm 2 extends out of the right side of the vehicle body 1 and is vertically and downwards provided with a straight rod 7. A guide rod 11 is arranged between the two straight rods 7 positioned at the two ends of the vehicle body 1, a plurality of guide wheels and magnetic blocks 10 are arranged on the lower surfaces of the two ends of the guide rod 11 at intervals through bolts, and the guide wheels and the magnetic blocks 10 are uniformly spaced; the guide wheel and the magnetic block 10 are both horizontally arranged on the guide rod 11 and are vertical to the side edge of the vehicle body 1; the quantity of the magnetic blocks 10 and the guide wheels at each end of the guide rod 11 is at least two, in this embodiment, two first guide wheels 4, two second guide wheels 6 and four magnetic blocks 10 are preferably installed at both ends of the guide rod 11, and the specific arrangement is as follows: the lower surfaces of two ends of the guide rod 11 are respectively and sequentially provided with a magnetic block 10, a first guide wheel 4, a magnetic block 10 and a second guide wheel 6.

As shown in fig. 1, connecting plates 31 are mounted on two sides of the vehicle body 1 near the guide arm 2, second shields 30 with openings at the bottom are mounted below the connecting plates 31, and the traveling wheels 9 are mounted in the second shields 30 through traveling wheel shafts 28.

As shown in fig. 1 and 3, a walking driving mechanism is installed in the middle of the vehicle body 1, the walking driving mechanism comprises a driving motor 20 transversely installed inside the vehicle body 1, a driving gear 22 is installed on a motor shaft 21 of the driving motor 20, the motor shaft 21 is movably installed on a first axial rib plate 18 and a second axial rib plate 27 inside the vehicle body 1, and the driving gear 22 is located in a first axial cavity formed between the first axial rib plate 18 and the second axial rib plate 27; a pair of pinions 23 are further mounted in the first axial cavities on both sides of the driving gear 22, and the driving gear 22 is in meshing transmission with the pinions 23. The walking driving mechanism further comprises a pair of driving shafts 24, two ends of each driving shaft 24 are respectively arranged on the first axial rib plate 18 and the second axial rib plate 27, and the two driving shafts 24 are respectively positioned on two sides of the driving motor 20; the driving shafts 24 positioned in the first axial cavity formed between the first axial rib plate 18 and the second axial rib plate 27 are all provided with a large gear 19, and the large gear 19 is in meshing transmission with the small gear 23; the driving wheel 3 is arranged at both ends of the driving shaft 24, and the driving wheel 3 is positioned in a second axial cavity formed between a second axial rib plate 27 and the side plate 17 in the vehicle body 1. First protection covers 29 with openings at the bottom are arranged on two sides of the outer portion of the vehicle body 1, three walking wheels 9 are arranged in the first protection covers 29 through walking wheel shafts 28, and the walking wheels 9 are arranged on two sides of the outer portion of the vehicle body 1 between the two driving wheels 3.

In actual welding, a welding tool and a control device are mounted on the top of the vehicle body 1, and the movement of the driving motor 20 is controlled by the control device. The walking wheel 9 and the driving wheel 3 are made of metal materials or high-temperature-resistant non-metal materials, and when the walking wheel 9 and the driving wheel 3 are made of metal materials, the outer surfaces of the walking wheel 9 and the driving wheel 3 are provided with pattern structures for increasing the friction force between the walking wheel 9 and the surface of the workpiece 5; the walking wheels 9 and the bottoms of the driving wheels 3 are positioned on the same horizontal plane, so that the automatic welding trolley can stably walk on the surface of the workpiece 5. The driving wheel 3 and the travelling wheel 9 can normally run without being damaged by high temperature when running on the surface of the high-temperature workpiece 5 generated by the welding line, so that the simultaneous construction of a plurality of automatic welding trolleys can be realized, the working efficiency can be improved by times, the labor cost and time are saved, the construction period can be advanced, and the economic benefit is improved by times.

As shown in fig. 4, in practical application, when the automatic welding cart performs welding construction, first, the first magnetic base switch 14 and the second magnetic base switch 15 on the side of the cart body 1 are opened, a gap is formed between the bottoms of the first magnetic base 12 and the second magnetic base 13 and the workpiece 5, and the first magnetic base 12 and the second magnetic base 13 generate suction to the workpiece 5; and then the control device controls the driving motor 20 to work to drive the driving gear 22 to rotate, the driving gear 22 drives the pinion 23 to rotate, the pinion 23 drives the gearwheel 19 to rotate, the gearwheel 19 arranged on the driving shaft 24 drives the driving wheel 3 at the end of the driving shaft 24 to walk, meanwhile, the walking wheels 9 on two sides of the trolley body 1 also walk along the surface of the workpiece 5, and under the combined action of the driving wheel 3 and the walking wheels 9, the automatic welding trolley walks on the surface of the workpiece 5 while walking for welding construction.

In the walking process, because the first magnetic base 12 and the second magnetic base 13 generate suction to the workpiece 5, the friction force between the driving wheels 3 and the surface of the workpiece 5 is increased, the wheels can be prevented from slipping, and the automatic welding trolley can be guaranteed to walk more stably. When the automatic welding trolley travels to the end part of the workpiece 5, the automatic welding trolley must move forward continuously to continuously weld the planar weld seam on the end head, the front end of the trolley body 1 is suspended gradually until the trolley body completely runs out of the end head of the workpiece 5, and in the process, a welding gun arranged on the axial central position of the automatic welding trolley can complete the welding of the planar weld seam on the end part of the workpiece 5; in the welding process of the automatic welding trolley, because the magnetic seats are arranged at the two ends of the trolley body 1 to generate suction to the workpiece 5, the welding operation can be continued when the two thirds of the trolley body 1 is suspended at the end part of the workpiece 5 without falling and overturning, the welding of the end part welding line of the workpiece 5 can be completed at one time, no stubble is connected, auxiliary plates do not need to be welded at the two ends of the workpiece 5, the construction quality and the construction safety are effectively ensured, materials are saved, and the labor cost is saved.

In addition, in the walking welding process of the automatic welding trolley, a gap is reserved between the magnetic block 10 arranged on the guide rod 11 and the side surface of the workpiece 5, and the magnetic block 10 has suction to the side surface of the workpiece 5, so that the guide wheel can move close to the side surface of the workpiece 5; due to the suction force of the magnetic block 10, each guide wheel cannot be separated from the contact with the side face of the workpiece 5, so that the automatic welding trolley can always run along a straight line until the whole welding operation of all welding seams of the workpiece 5 is finished at one time, the construction continuity is guaranteed, the automatic welding trolley is a straight welding seam, no deviation exists, the welding quality and efficiency are greatly improved, and the problem that one section of welding seam on the upper plane of two ends of the workpiece 5 cannot be welded is solved.

After the welding seams of the workpiece 5 are completely welded, the automatic welding trolley retreats from the end part of the workpiece 5 to the panel, then the first magnetic seat switch 14 and the second magnetic seat switch 15 at the two ends of the trolley body 1 are closed, and the automatic welding trolley provided with the walking device can be moved to the next procedure or other workpieces to continue welding construction, so that the automatic welding trolley is very convenient to use.

Example 2:

in this embodiment, a walking driving mechanism is improved on the basis of embodiment 1, specifically as follows:

as shown in fig. 5 and 6, a crawler belt 25 is installed on the driving wheel 3 of the walking driving mechanism, and the driving wheel 3 is matched with the inner surface of the crawler belt 25 in a matching and contacting way; the lower surface of the crawler belt 25 and the bottoms of the walking wheels 9 are positioned on the same horizontal plane, so that the vehicle body 1 can stably walk.

The crawler 25 is made of a metal or non-metal material; when the crawler belt 25 is made of metal materials, the outer surface of the crawler belt 25 is provided with a pattern structure, so that the friction force between the crawler belt 25 and the workpiece 5 can be effectively increased; when the caterpillar 25 is made of a non-metal material, in this embodiment, the caterpillar 25 is preferably made of a material in which the inner ribs are steel wires and high temperature resistant rubber are filled and formed, and a layer of sand particles is uniformly embedded in the outer surface layer of the caterpillar 25, so that the high temperature resistance of the surface of the caterpillar 25 and the friction force between the caterpillar 25 and the workpiece 5 can be enhanced.

In practical application, the driving motor 20 drives the driving gear 22 to rotate, the driving gear 22 drives the pinion 23 to rotate, the pinion 23 drives the gearwheel 19 to rotate, the gearwheel 19 arranged on the driving shaft 24 drives the driving wheel 3 at the end of the driving shaft 24 to rotate, and the driving wheel 3 is matched with the crawler 25 to drive the vehicle body 1 to walk on the surface of the workpiece 5.

The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.