Crawler belt welding platform tool

Abstract

The utility model provides a track welding platform tool. The track welding platform tool comprises a platform support, an overturning bottom plate, a welding platform, a track shoe positioning pin and a track assembly first section positioning block. The two ends of the overturning bottom plate are hinged to the platform support, and a welding platform is arranged at the top of the overturning bottom plate. The welding platform is provided with two rows of track shoe positioning pins which are arranged in parallel at intervals, and one end of the welding platform is provided with a track total first section positioning block. According to the track welding platform tool, the track shoe to be welded and the track assembly can be accurately positioned, the track welding quality is improved, the track assembly and the track shoe are conveniently positioned, an operator can conveniently weld the track assembly and the track shoe, the labor intensity is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a track welding auxiliary device, in particular to a track welding platform tooling. Background Art

[0002] The chassis crawler of the excavator is an important part of the excavator's walking device. It is symmetrically arranged on both sides of the chassis. It is a flexible chain ring driven by the driving wheel and surrounding the driving wheel, road wheel, inducer wheel and track roller. The crawler consists of track shoes and track pins. The track pins connect the track shoes to form a crawler chain. There are holes at both ends of the track shoe, which mesh with the driving wheel. There are induction teeth in the middle to regulate the crawler and prevent the crawler from falling off during steering or tilting. There are reinforced anti-skid ribs on the side in contact with the ground to improve the firmness of the crawler shoe and the adhesion of the crawler to the ground.

[0003] At present, in response to the development needs of miniaturization of excavators, the company has developed a small-pitch crawler track. The track plate and the rail are connected by traditional manual welding. During the welding process, the track plate and the rail are prone to offset, and the welding position cannot be accurately located. The track plate and the rail need to be constantly straightened manually, which is inconvenient to operate, labor-intensive, and has low welding efficiency. In addition, the quality of track welding cannot be guaranteed. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in view of the defects of the prior art, a crawler welding platform tooling is provided which can quickly determine the welding position, is easy to operate and improves the efficiency.

[0005] The utility model adopts the following technical solutions to solve the above technical problems:

[0006] A crawler welding platform tooling comprises a platform bracket, a flip base plate, a welding platform, track shoe locating pins and a track first section locating block, wherein: the two ends of the flip base plate are hingedly mounted on the platform bracket, and the welding platform is arranged on the top; two rows of track shoe locating pins arranged in parallel and at intervals are arranged on the welding platform, and the track first section locating block is arranged at one end.

[0007] Preferably, the platform support comprises a leg, a first connecting rod, a second connecting rod and a seat bearing, wherein:

[0008] There are four legs, which are symmetrically arranged in four corners, and the lower ends and top ends of the two legs at both ends are fixedly connected by a first connecting rod and a second connecting rod respectively;

[0009] There are two seat bearings, which are respectively fixedly arranged on the top of the second connecting rod and connected to the rotating shaft of the flip bottom plate.

[0010] Preferably, the platform bracket further includes a third connecting rod and a limiting connecting rod, wherein:

[0011] There is at least one third connecting rod, two ends of which are respectively fixedly connected to the first connecting rods on both sides and arranged perpendicular to the first connecting rods;

[0012] There are two limit connecting rods, both ends of which are fixedly connected to the two legs on both sides and are respectively located below the front and rear ends of the flip bottom plate.

[0013] More preferably, the two limit connecting rods are located at the same horizontal height, arranged in parallel front to back, and located on the path of the flip bottom plate flipping front to back.

[0014] Preferably, the flipping angle of the flip bottom plate from the horizontal plane to the limit connecting rod is 30-60°.

[0015] Preferably, the flip bottom plate comprises a C-shaped cover plate, a fourth connecting rod, a fifth connecting rod and a rotating shaft, wherein:

[0016] There are two C-shaped cover plates, which are arranged in parallel on the left and right sides, and the fourth connecting rods are fixedly arranged in the grooves on the inner sides thereof;

[0017] The two ends of the two fourth connecting rods are respectively fixedly connected by the transversely arranged fifth connecting rod, and a rotating shaft penetrating the C-shaped cover plate is fixedly arranged in the through hole in the middle thereof.

[0018] Preferably, the welding platform is detachably mounted on the top of the flip base plate by means of screws, or is directly fixedly mounted on the top of the flip base plate by means of welding.

[0019] Preferably, the lower ends of the track shoe locating pins are threadedly installed in corresponding screw holes on the welding platform, and the spacing between adjacent track shoe locating pins corresponds to the spacing between adjacent locating holes on the track.

[0020] Preferably, the first rail section positioning block includes a positioning support and a positioning connection block, wherein:

[0021] The positioning support is a U-shaped structure and is detachably mounted on one end of the welding platform using screws;

[0022] One end of the positioning connection block is hingedly installed in the U-shaped groove of the positioning support through a pin shaft, and the other end thereof is provided with a through hole for hinged connection with the rail assembly.

[0023] Preferably, the platform bracket and the flip bottom plate body are welded from square tubes; and the welding platform is made of stainless steel or aluminum alloy.

[0024] The utility model adopts the above technical solution, and compared with the prior art, has the following technical effects:

[0025] The crawler welding platform tooling provided by the utility model provides a flip bottom plate and a welding platform that can be flipped on the platform bracket, and installs a rail assembly first section positioning block and a plurality of track plate positioning pins on the welding platform, so that the track plate and the rail assembly to be welded can be accurately positioned by utilizing the rail assembly first section positioning block and a plurality of track plate positioning pins, thereby improving the crawler welding quality, facilitating the positioning of the rail assembly and the track plate, facilitating the welding for the operator, reducing the labor intensity, and improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The three-dimensional structure diagram of a crawler welding platform tooling of the utility model Figure 1 ;

[0027] Figure 2 It is a partial enlarged structural schematic diagram of part A of a crawler welding platform tooling of the utility model;

[0028] Figure 3 The three-dimensional structure diagram of a crawler welding platform tooling of the utility model Figure 2 ;

[0029] Figure 4 It is a partial enlarged structural schematic diagram of part B in a crawler welding platform tooling of the utility model;

[0030] Figure 5 It is a side view structural schematic diagram of a crawler welding platform tooling of the utility model;

[0031] Figure 6 The exploded structure diagram of a crawler welding platform tooling of the utility model Figure 1 ;

[0032] Figure 7 It is a partial enlarged structural schematic diagram of the C part of a crawler welding platform tooling of the utility model;

[0033] Figure 8 The exploded structure diagram of a crawler welding platform tooling of the utility model Figure 2 . DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0035] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0036] In some embodiments, Figure 1 , Figure 3 , Figure 5 , Figure 6 and Figure 8 As shown, a crawler welding platform tooling is provided, which mainly includes a platform bracket 10, a flip bottom plate 20, a welding platform 30, a crawler shoe positioning pin 40 and a track first section positioning block 50 assembled as one. The platform bracket 10 and the flip bottom plate 20 are mainly welded by square tubes; the welding platform 30 is made of stainless steel or aluminum alloy.

[0037] Specifically, the two ends of the flip bottom plate 20 are hingedly mounted on the two ends of the platform bracket 10, and can be flipped forward and backward at a certain angle relative to the platform bracket 10 to meet the welding requirements of the track shoe and the rail assembly. The top of the flip bottom plate 20 is provided with the welding platform 30, and the welding platform 30 is provided with two rows of track shoe positioning pins 40 arranged in parallel and spaced apart, and one end thereof is provided with the first section positioning block 50 of the rail assembly, and the track shoe and the rail assembly are positioned by the track shoe positioning pins 40 and the first section positioning block 50 of the rail assembly.

[0038] In some of the embodiments, Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown, the platform support 10 is mainly composed of a support leg 11 , a first connecting rod 12 , a second connecting rod 13 and a seat bearing 14 .

[0039] There are four legs 11, which are symmetrically arranged in four corners, and the lower ends and top ends of the two legs 11 at both ends are respectively welded and connected by a first connecting rod 12 and a second connecting rod 13. The legs 11, the first connecting rod 12, and the second connecting rod 13 are made of galvanized square tubes, which are welded and connected to each other to form the supporting body of the platform bracket 10.

[0040] There are two bearings 14 with seats, which are respectively fixedly arranged on the top of the second connecting rod 13 and connected to the rotating shaft 24 of the flip bottom plate 20. Specifically, both ends of the bearings with seats 14 are detachably mounted on the top of the second connecting rod 13 by bolts.

[0041] In addition, to enhance the structural strength of the platform bracket 10 , the platform bracket 10 further includes a third connecting rod 15 and a limiting connecting rod 16 . There is at least one third connecting rod 15 , and its two ends are respectively fixedly connected to the first connecting rod 12 on both sides and are arranged perpendicular to the first connecting rod 12 .

[0042] There are two limit links 16, and the two ends of the limit links 16 are respectively fixedly connected to the two legs 11 on both sides, and are respectively located below the front and rear ends of the flip bottom plate 20. The two limit links 16 are located at the same horizontal height, arranged in parallel front and back, and are located on the path of the flip bottom plate 20 flipping back and forth. The setting of the two limit links 16 can effectively ensure the structural stability of the platform bracket 10, and at the same time, it also plays a limiting role on the flipped flip bottom plate 20 and the welding platform 30, so that the flip bottom plate 20 and the welding platform 30 can be flipped within a certain range, so as to facilitate the welding of the track shoe and the rail assembly.

[0043] Specifically, Figure 1 , Figure 3 and Figure 5 As shown, the flip angle of the flip bottom plate 20 from the front and back of the horizontal plane to the limit link 16 is 30-60°. Preferably, the flip angle of the flip bottom plate 20 from the front and back of the horizontal plane to the limit link 16 is 45°. In other words, after the flip bottom plate 20 flips 45° from the horizontal position to the front side, it abuts against the limit link 16 on the front side and stops flipping, which is convenient for welding the weld of the rail assembly and one side of the track shoe. After the flip bottom plate 20 flips 45° from the horizontal position to the rear side, it abuts against the limit link 16 on the rear side and stops flipping, which is convenient for welding the weld of the rail assembly and the other side of the track shoe.

[0044] In some of the embodiments, Figure 2 , Figure 4 , Figure 7 and Figure 8 As shown, the flip bottom plate 20 is mainly composed of a C-shaped cover plate 21, a fourth connecting rod 22, a fifth connecting rod 23 and a rotating shaft 24. The C-shaped cover plate 21 is made of stainless steel or aluminum alloy, and the fourth connecting rod 22 and the fifth connecting rod 23 are made of galvanized steel pipes.

[0045] Specifically, there are two C-shaped cover plates 21, which are arranged in parallel on the left and right sides, and the fourth connecting rods 22 are fixedly arranged in the grooves on the inner sides thereof. The two ends of the two fourth connecting rods 22 are respectively fixedly connected by the transversely arranged fifth connecting rods 23, and the through holes in the middle thereof are fixedly provided with a rotating shaft 24 that penetrates the C-shaped cover plates 21. The inner end of the rotating shaft 24 is fixedly welded and connected to the fifth connecting rod 23.

[0046] In some of the embodiments, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the welding platform 30 is detachably mounted on the top of the bottom plate 20 by screws, and is connected to the flip bottom plate 20 as a detachable integrated structure, which is convenient for maintenance and replacement. Of course, according to needs, the welding platform 30 can also be directly fixedly mounted on the top of the bottom plate 20 by welding to form an integrated structure.

[0047] In some of the embodiments, a plurality of track plate locating pins 40 are divided into two rows and fixedly mounted on the welding platform 30 in parallel along their length direction. The lower end of each track plate locating pin 40 is threadedly mounted in a corresponding screw hole on the welding platform 30 for easy replacement.

[0048] It is also worth noting that the arrangement of the track plate locating pins 40 is based on the size of the track to be welded, and the spacing between the adjacent track plate locating pins 40 corresponds to the spacing between the adjacent locating holes on the track, so as to achieve precise positioning of the track plates and ensure the welding quality.

[0049] In some of the embodiments, Figure 2 and Figure 8 As shown, the first section positioning block 50 of the rail assembly includes a positioning support 51 and a positioning connection block 52. The positioning support 51 is a U-shaped structure, which is detachably mounted on one end of the welding platform 30 by screws. One end of the positioning connection block 52 is hingedly mounted in the U-shaped groove of the positioning support 51 through a pin, and the other end thereof is provided with a through hole for hinged connection to the rail assembly.

[0050] Combination Figures 1 to 8 As shown, the working principle of the crawler welding platform tooling is as follows:

[0051] (1) The track plate is positioned with two holes. The track plate positioning pins 40 are inserted into the two holes of the track plate to determine the position of the track plate. All the track plates required for the entire track are laid on the welding platform 30 in sequence. The two-hole positioning sleeves are installed on the track plate positioning pins 40 so that the track plate is closely attached to the welding platform 30.

[0052] (2) After the track shoes are laid, place the rail assembly flat on the track shoes, connect the pin hole of the first section of the rail assembly with the positioning connection block 52 at the front end of the positioning block 50 of the first section of the rail assembly by means of a latch, align the front and rear welding positions of the track shoes and the rail assembly, and straighten the rail assembly;

[0053] (3) After the rail assembly is aligned, each track shoe and rail assembly are fixed by spot welding. Then, the welding platform is rotated 30 degrees and tilted 45 degrees to the left. The two welds on the right side of the rail assembly and the track shoe are fully welded. After completion, the platform is tilted 45 degrees to the right and the two welds on the left side are welded until the entire track is completely welded.

[0054] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0055] Secondly, the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0056] Finally, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crawler welding platform tooling, characterized in that: The invention comprises a platform support (10), a flip base plate (20), a welding platform (30), a track shoe positioning pin (40) and a rail first section positioning block (50), wherein: the flip base plate (20) is hingedly mounted on the platform support (10) at both ends, and the welding platform (30) is arranged on the top; the welding platform (30) is provided with two rows of track shoe positioning pins (40) arranged in parallel and spaced apart, and one end of the welding platform is provided with the rail first section positioning block (50).

2. The crawler welding platform tooling according to claim 1, characterized in that: The platform support (10) comprises a support leg (11), a first connecting rod (12), a second connecting rod (13) and a seat bearing (14), wherein: There are four supporting legs (11), which are symmetrically arranged in pairs at four corners, and the lower ends and top ends of the two supporting legs (11) at both ends are fixedly connected by a first connecting rod (12) and a second connecting rod (13) respectively; There are two seat bearings (14), which are respectively fixedly arranged on the top of the second connecting rod (13) and connected to the rotating shaft (24) of the flip bottom plate (20).

3. The crawler welding platform tooling according to claim 2, characterized in that: The platform support (10) further comprises a third connecting rod (15) and a limiting connecting rod (16), wherein: The third connecting rod (15) is at least one, and its two ends are respectively fixedly connected to the first connecting rods (12) on both sides, and is arranged perpendicular to the first connecting rod (12); There are two limit connecting rods (16), both ends of which are fixedly connected to the two supporting legs (11) on both sides, and are respectively located below the front and rear ends of the flip bottom plate (20).

4. The crawler welding platform tooling according to claim 3 is characterized in that: The two limit connecting rods (16) are located at the same horizontal height, arranged in parallel front and back, and are located on the path of the flip bottom plate (20) flipping back and forth.

5. The crawler welding platform tooling according to claim 3, characterized in that: The flip bottom plate (20) flips from the horizontal plane to the limit connecting rod (16) at a flip angle of 30-60°.

6. The crawler welding platform tooling according to claim 1, characterized in that: The flip bottom plate (20) comprises a C-shaped cover plate (21), a fourth connecting rod (22), a fifth connecting rod (23) and a rotating shaft (24), wherein: There are two C-shaped cover plates (21), which are arranged in parallel on the left and right sides, and the fourth connecting rods (22) are fixedly arranged in the grooves on the inner sides thereof; The two ends of the two fourth connecting rods (22) are respectively fixedly connected by the transversely arranged fifth connecting rod (23), and a rotating shaft (24) penetrating the C-shaped cover plate (21) is fixedly arranged in a through hole in the middle thereof.

7. The crawler welding platform tooling according to claim 1, characterized in that: The welding platform (30) is detachably mounted on the top of the flip bottom plate (20) by means of screws, or is directly fixedly mounted on the top of the flip bottom plate (20) by means of welding.

8. The crawler welding platform tooling according to claim 1, characterized in that: The lower end of the track shoe positioning pin (40) is threadedly installed in a corresponding screw hole on the welding platform (30), and the spacing between adjacent track shoe positioning pins (40) corresponds to the spacing between adjacent positioning holes on the track.

9. The crawler welding platform tooling according to claim 1, characterized in that: The first rail section positioning block (50) comprises a positioning support (51) and a positioning connection block (52), wherein: The positioning support (51) is a U-shaped structure and is detachably mounted on one end of the welding platform (30) by means of screws; One end of the positioning connection block (52) is hingedly mounted in the U-shaped groove of the positioning support (51) via a pin, and the other end thereof is provided with a through hole for hingedly connecting to the rail assembly.

10. The crawler welding platform tooling according to claim 1, characterized in that: The platform bracket (10) and the main body of the flip bottom plate (20) are formed by welding square tubes; the welding platform (30) is made of stainless steel or aluminum alloy.

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