CN112077500A - Magnetic welding trolley with adjustable wheelbase - Google Patents

Abstract

The invention provides a magnetic welding trolley with adjustable wheelbase; it includes a mobile trolley mechanism and a welding torch clamp; the mobile trolley mechanism includes a vehicle frame, a front wheel assembly, a rear wheel assembly and a wheelbase adjustment assembly; two parts of the front wheel assembly are provided. One front wheel is mounted on the front axle, the front wheel drive motor is fixed on the front slider, the front wheel drive motor drives the front wheel to rotate, and the front slider is fixed on the front axle; the two rear wheels of the rear wheel assembly are mounted on On the rear axle, the rear wheel drive motor is fixed on the rear slider, the rear wheel drive motor drives the rear wheel to rotate, and the rear slider is fixed on the rear axle; the front slider and the rear slider are respectively matched with the slide rails; the wheelbase The distance adjustment motor of the adjustment assembly drives the driving wheel to run, the belt is tensioned on the outside of the driving wheel and the driven wheel, and the belt is respectively fixed with the front slider and the rear slider; the welding torch fixture is arranged on the moving trolley mechanism. Ensure the contact force between the front and rear wheels and the pipeline when they move relative to the pipeline, and adapt to the welding of pipelines with a wider range of pipe diameters.

Description

Magnetic welding trolley with adjustable wheelbase

technical field

The invention relates to a magnetic welding trolley with adjustable wheelbase.

Background technique

In the existing round tube ferromagnetic round tube welding, the magnetic attraction force between the magnetic attraction welding trolley and the pipeline is used to maintain the stability during welding. On one end of the arc, with the continuous increase of the diameter of the welded pipe, the distance between the pipe and the contact points of the front and rear wheels continues to increase, resulting in a decrease in the contact force and limiting the welding pipe diameter of the magnetic welding trolley.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a magnetic welding trolley with adjustable wheelbase with reasonable structure and adjustable front and rear wheel spacing. The magnetic welding trolley with adjustable wheelbase is suitable for all-position welding of pipes with a larger diameter range. .

In order to solve the above technical problems, the present invention provides a magnetic welding trolley with adjustable wheelbase;

Including mobile trolley mechanism and welding torch fixture;

The mobile trolley mechanism includes a casing, a frame, a front wheel assembly, a rear wheel assembly and a wheelbase adjustment assembly;

The front wheel assembly includes a front wheel drive motor, a front axle, a front slider and two front wheels, the two front wheels are mounted on the front axle, the front wheel drive motor is fixedly connected to the front slider, and the front wheel drive motor drives The front wheel rotates, and the front slider is fixedly connected to the front axle;

The rear wheel assembly includes a rear wheel drive motor, a rear axle, a rear slider and two rear wheels, the two rear wheels are mounted on the rear axle, the rear wheel drive motor is fixedly connected to the rear slider, and the rear wheel drive motor drives The rear wheel rotates, and the rear slider is fixedly connected to the rear axle;

The bottom of the frame is provided with a slide rail that is consistent with the length of the frame, and the front slider of the front wheel assembly and the rear slider of the rear wheel assembly are respectively matched with the slide rails;

The wheelbase adjustment assembly includes a distance adjustment motor, a driving wheel, a driven wheel and a belt. The driving wheel and the driven wheel are respectively supported on both sides of the frame in the length direction. The distance adjustment motor drives the driving wheel to run, and the belt is tensioned between the driving wheel and the driven wheel. On the outside, the belts on both sides in the width direction of the frame are respectively fixed with the front slider of the front wheel assembly and the rear slider of the rear wheel assembly;

The outer cover is on the upper side of the frame;

The welding torch clamp is arranged on the moving trolley mechanism.

As the preferred choice of the magnetic welding trolley with adjustable wheelbase, it also includes a welding torch adjustment mechanism;

The welding torch adjustment mechanism includes a swing assembly, a lateral adjustment assembly and a longitudinal adjustment assembly;

The swing assembly includes a swing motor, two swing shafts and two swing arms. The two swing arms are respectively installed on the two swing shafts. The two swing shafts are respectively supported on both sides of the casing of the mobile trolley mechanism. On the housing of the trolley mechanism, a first swing gear is installed on the output shaft of the swing motor, a second swing gear is installed on one of the two swing shafts, and the first swing gear meshes with the second swing gear;

The lateral adjustment assembly includes a lateral shell, a lateral cover and a lateral electric push rod. The lateral shell is respectively fixedly connected with the two swing arms of the swing assembly. The lateral electric push rod is installed on the lateral shell, and the push rod of the lateral electric push rod The end is fixedly connected with the transverse cover body, and the direction of the transverse electric push rod is consistent with the width direction of the frame of the mobile trolley mechanism;

The longitudinal adjustment assembly includes a longitudinal electric push rod, a longitudinal fixed seat and a longitudinal installation frame. The longitudinal fixed seat is fixedly connected to the side of the lateral cover body of the lateral adjustment assembly. The end of the rod is fixedly connected with the longitudinal mounting frame, and the direction of the longitudinal electric push rod is perpendicular to the direction of the horizontal electric push rod;

The welding torch clamp is fixedly connected to the longitudinal mounting frame of the longitudinal adjustment assembly.

As a preference of the magnetic welding trolley with adjustable wheelbase, the lateral housing of the lateral adjustment assembly is provided with a first guide rail, the lateral cover of the lateral adjustment assembly is provided with a first slider, the first guide rail and the first slider Cooperate.

As a preference of the magnetic welding trolley with adjustable wheelbase, the longitudinal fixing seat of the longitudinal adjustment assembly is provided with a second guide rail, the longitudinal mounting frame of the longitudinal adjustment assembly is provided with a second sliding block, and the second guide rail cooperates with the second sliding block .

As a preferred option of the magnetic welding trolley with adjustable wheelbase, the front and rear surfaces of the casing are respectively fixedly connected with handles, and the handles are matched with the installation iron chain around the circumference of the pipe.

The beneficial effects of the magnetic welding trolley with adjustable wheelbase are as follows: adjust the design of the mobile trolley mechanism, set the front wheels and rear wheels to drive independently, and the distance between the front support frame connecting plate and the rear support frame connecting plate can be adjusted so as to The distance between the front and rear wheels can be adjusted. When welding pipes with different pipe diameters, the angle between the contact point between the front and rear wheels and the pipe in the vertical plane is controlled within a preset range to ensure the contact between the front and rear wheels and the pipe during relative movement. It is suitable for welding of pipes with a wider range of pipe diameters.

Description of drawings

Fig. 1 is one of the perspective views of the moving trolley mechanism of the embodiment of the magnetic welding trolley with adjustable wheelbase.

Fig. 2 is the second perspective view of the moving trolley mechanism of the embodiment of the magnetic welding trolley with adjustable wheelbase.

FIG. 3 is a perspective view of an embodiment of the magnetic welding trolley with adjustable wheelbase.

FIG. 4 is a perspective view of the welding torch adjustment mechanism and the shell of the embodiment of the magnetic welding trolley with adjustable wheelbase.

FIG. 5 is a schematic diagram of the meshing of the first swing gear and the second swing gear of the embodiment of the magnetic welding trolley with adjustable wheelbase.

Detailed ways

As shown in FIGS. 1 to 5 (the housing 150 and the handle 160 of the moving cart mechanism are omitted in FIGS. 1 and 2 ).

The wheelbase adjustable magnetic welding trolley includes a moving trolley mechanism, a welding torch adjustment mechanism and a welding torch fixture 300 .

The moving trolley mechanism includes a housing 150, a frame, a front wheel assembly, a rear wheel assembly, and a wheelbase adjustment assembly.

The front wheel assembly includes a front wheel drive motor 111, a front axle 113, a front slider 114 and two front wheels 112. The two front wheels 112 are mounted on the front axle 113, and the front wheel drive motor 111 is fixed on the front slider by bolts. On the block 114 , the front wheel drive motor 111 drives the front wheel 112 to rotate through the belt conveyor, and the front slider 114 is welded on the front axle 113 .

The rear wheel assembly includes a rear wheel drive motor 121, a rear axle 123, a rear slider 124 and two rear wheels 122. The two rear wheels 122 are mounted on the rear axle 123, and the rear wheel drive motor 121 is fixed on the rear slider by bolts. On the block 124 , the rear wheel drive motor 121 drives the rear wheel 122 to rotate through the belt conveyor, and the rear slider 124 is welded on the rear axle 123 .

The frame includes a front support frame connecting plate 131, a rear support frame connecting frame 132, a first guide rail plate 133 and a second guide rail plate 134. The first guide rail plate 133 and the second guide rail plate 134 are arranged at intervals and are in the same horizontal position. The frame connecting plate 131 and the rear support frame connecting frame 132 are similar to the I-shaped connecting plate. The front support frame connecting plate 131 and the rear support frame connecting frame 132 are arranged in sequence in the front and rear, and the front support frame connecting plate 131 and the rear support frame connecting frame 132 are at both ends. Welded on the first guide rail plate 133 and the second guide rail plate 134 respectively, the upper part of the front support frame connecting plate 131 and the upper part of the rear support frame connecting frame 132 bypass the gap between the first guide rail The guide rail plate 133 and the second guide rail plate 134 constitute a sliding rail that is consistent with the length direction of the frame, and the front sliding block 114 of the front wheel assembly and the rear sliding block 124 of the rear wheel assembly are respectively matched with the sliding rails.

The wheelbase adjustment assembly includes a distance adjustment motor 141, a driving wheel 142, a driven wheel 143 and a belt 144. The driving wheel 142 and the driven wheel 143 are respectively supported on both sides of the frame in the length direction. The distance adjustment motor 141 drives the driving wheel 142 to run, and the belt 144 is tensioned on the outside of the driving pulley 142 and the driven pulley 143, and the belts 144 on both sides of the frame width direction are respectively fixed to the front slider 114 of the front wheel assembly and the rear slider 124 of the rear wheel assembly through the positioning blocks 145.

The shell 150 is covered on the upper side of the frame, the handles 160 are arranged at the front and rear ends of the mounting shell, and the mounting iron chains are connected to the handle 160 at both ends of the magnetic welding trolley with adjustable wheelbase in the circumferential direction of the pipe.

The welding gun fixture 300 is set on the moving trolley mechanism through the welding gun adjusting mechanism.

The welding torch adjustment mechanism includes a swing assembly, a lateral adjustment assembly and a longitudinal adjustment assembly.

The swing assembly includes a swing motor 211 , two swing shafts 212 and two swing arms 213 . The two swing arms 213 are respectively fixed on the two swing shafts 212 , and the two swing shafts 212 are respectively supported around the casing 150 of the mobile trolley mechanism. On both sides, the swing motor 211 is fixed on the housing 150 of the mobile trolley mechanism by bolts, the output shaft of the swing motor 211 is mounted with a first swing gear 214, and one of the two swing shafts 212 is mounted with a second swing gear 212 Gear 215 , the first swing gear 214 meshes with the second swing gear 215 .

The lateral adjustment assembly includes a lateral casing 221, a lateral cover 222 and a lateral electric push rod 223. The lateral casing 221 is welded and fixed to the two swing arms 213 of the swing assembly respectively, and the lateral electric push rod 223 is installed on the lateral casing 221. The push rod end of the transverse electric push rod 223 is welded and fixed to the transverse cover body 222, and the direction of the transverse electric push rod 223 is consistent with the width direction of the frame of the moving trolley mechanism.

The lateral housing 221 of the lateral adjustment assembly is fixed with a first guide rail by bolts, and the lateral cover 222 of the lateral adjustment assembly is fixed with a first slider by bolts, and the first guide rail cooperates with the first slider (the first guide rail and the first The sliders are arranged inside the lateral casing 221 and the lateral cover 222 (not shown in the figure).

The longitudinal adjustment assembly includes a longitudinal electric push rod 231, a longitudinal fixed seat 232 and a longitudinal mounting bracket 233. The longitudinal fixed seat 232 is welded and fixed on the side of the lateral cover 222 of the lateral adjustment assembly, and the longitudinal electric push rod 231 is installed on the longitudinal fixed seat 232. , the push rod end of the longitudinal electric push rod 231 is fixed by welding with the longitudinal mounting frame 233 , and the direction of the longitudinal electric push rod 231 is perpendicular to the direction of the transverse electric push rod 223 .

The longitudinal fixing base 232 of the longitudinal adjustment assembly is provided with a second guide rail, the longitudinal mounting frame 233 of the longitudinal adjustment assembly is provided with a second sliding block, and the second guide rail cooperates with the second sliding block (the second guide rail and the second sliding block are not shown in the figure). second slider).

The welding torch jig 300 is welded and fixed to the longitudinal mounting frame 233 of the longitudinal adjustment assembly, so that the welding jig has three degrees of freedom.

When in use, the purpose of adjusting the wheelbase of the magnetic welding trolley with adjustable wheelbase can be achieved by moving the trolley mechanism. Specifically, the distance adjustment motor 141 of the wheelbase adjustment component is activated, and the distance adjustment motor 141 drives the belt 144 to run, and the belt 144 When turning clockwise, the front slider 114 of the front wheel assembly and the rear slider 124 of the rear wheel assembly move in a direction away from each other driven by the belt 144, increasing the wheelbase of the magnetic welding trolley with adjustable wheelbase; When the belt 144 rotates counterclockwise, the front slider 114 of the front wheel assembly and the rear slider 124 of the rear wheel assembly move toward each other under the drive of the belt 144, reducing the wheelbase of the magnetic welding trolley with adjustable wheelbase;

Then use the welding torch adjustment mechanism to complete the positioning of the welding torch fixture 300, specifically: the swing motor 211 of the swing assembly is activated, the first swing gear 214 meshes with the second swing gear 215 to make the swing arm 213 rotate, and then drives and adjusts the longitudinal adjustment assembly and the lateral adjustment assembly. and the angle deflection of the welding torch fixture 300 relative to the moving trolley mechanism, the horizontal electric push rod 223 of the lateral adjustment assembly is activated, and the relative horizontal position of the lateral casing 221 and the lateral cover body 222 is changed; similarly, the longitudinal electric push rod 231 is activated, and the vertical position is fixed. The relative vertical position of the seat 232 and the longitudinal mount 233 changes.

The above is only an embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several modifications and improvements can be made, and these should also be regarded as It belongs to the protection scope of the present invention.

Claims (5)

1. The utility model provides a welding carriage is inhaled to axle base adjustable magnetism, characterized in that:

comprises a moving trolley mechanism and a welding gun clamp;

the moving trolley mechanism comprises a shell, a frame, a front wheel assembly, a rear wheel assembly and a wheel base adjusting assembly;

the front wheel assembly comprises a front wheel driving motor, a front axle, a front slider and two front wheels, wherein the two front wheels are arranged on the front axle;

the rear wheel assembly comprises a rear wheel driving motor, a rear axle, a rear sliding block and two rear wheels, the two rear wheels are arranged on the rear axle, the rear wheel driving motor is fixedly connected to the rear sliding block, the rear wheel driving motor drives the rear wheels to rotate, and the rear sliding block is fixedly connected to the rear axle;

the distance adjusting assembly comprises a distance adjusting motor, a driving wheel, a driven wheel and belts, the driving wheel and the driven wheel are respectively supported on two sides of the frame in the length direction, the distance adjusting motor drives the driving wheel to run, the belts are tensioned on the outer sides of the driving wheel and the driven wheel, and the belts on two sides of the frame in the width direction are respectively fixed with a front sliding block of the front wheel assembly and a rear sliding block of the rear wheel assembly;

the shell covers the upper side of the frame;

the welding gun clamp is arranged on the moving trolley mechanism.

2. The magnetic suction welding tractor with the adjustable wheelbase as claimed in claim 1, is characterized in that:

the welding gun adjusting mechanism is also included;

the welding gun adjusting mechanism comprises a swinging assembly, a transverse adjusting assembly and a longitudinal adjusting assembly;

the swing assembly comprises a swing motor, two sections of swing shafts and two swing arms, the two swing arms are respectively arranged on the two sections of swing shafts, the two sections of swing shafts are respectively supported on two sides of a shell of the moving trolley mechanism, the swing motor is fixedly connected to the shell of the moving trolley mechanism, an output shaft of the swing motor is provided with a first swing gear, one of the two swing shafts is provided with a second swing gear, and the first swing gear is meshed with the second swing gear;

the transverse adjusting assembly comprises a transverse shell, a transverse cover body and a transverse electric push rod, the transverse shell is fixedly connected with two swing arms of the swing assembly respectively, the transverse electric push rod is installed on the transverse shell, the end part of the push rod of the transverse electric push rod is fixedly connected with the transverse cover body, and the direction of the transverse electric push rod is consistent with the width direction of a frame of the moving trolley mechanism;

the longitudinal adjusting assembly comprises a longitudinal electric push rod, a longitudinal fixing seat and a longitudinal mounting frame, the longitudinal fixing seat is fixedly connected to the side of the transverse cover body of the transverse adjusting assembly, the longitudinal electric push rod is installed on the longitudinal fixing seat, the end part of the push rod of the longitudinal electric push rod is fixedly connected with the longitudinal mounting frame, and the direction of the longitudinal electric push rod is perpendicular to the direction of the transverse electric push rod;

the welding gun clamp is fixedly connected to the longitudinal mounting rack of the longitudinal adjusting assembly.

3. The magnetic suction welding tractor with the adjustable wheelbase as claimed in claim 2, is characterized in that:

a first guide rail is arranged on a transverse shell of the transverse adjusting assembly, a first sliding block is arranged on a transverse cover body of the transverse adjusting assembly, and the first guide rail is matched with the first sliding block.

4. The magnetic suction welding tractor with the adjustable wheelbase as claimed in claim 2, is characterized in that:

and a second guide rail is arranged on the longitudinal fixing seat of the longitudinal adjusting assembly, a second sliding block is arranged on the longitudinal mounting frame of the longitudinal adjusting assembly, and the second guide rail is matched with the second sliding block.

5. The magnetic suction welding tractor with the adjustable wheelbase as claimed in claim 1, is characterized in that:

the front end surface and the rear end surface of the shell are respectively and fixedly connected with a handle which is matched with an installation iron chain around the circumference direction of the pipeline.

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