CN216325966U - A concave bottom flat car middle beam composition welding tool - Google Patents

Abstract

The utility model discloses a welding tool for forming a middle beam of a concave bottom flat car, which belongs to the technical field of mechanical welding process equipment. The welding tool of the middle beam of the concave bottom flat car includes an I-beam underframe, a box body is fixedly connected to the top of both ends of the I-beam underframe, and a number of first An adjustable positioning platform, a second adjustable positioning platform is fixedly connected above one end of the box body; a concave bottom flat car middle beam to be welded is fixed above the first adjustable positioning platform and the second adjustable positioning platform The side of the box body is fixedly connected with a number of flip clamps, the flip clamp includes flip calipers, slots and clips, the flip calipers and the slots are movably connected, and the flip calipers are fixedly connected to the clips. The utility model can ensure accurate welding clamping positioning, firm clamping, control welding deformation, accurately control the positional precision of welding finished products, and is convenient to operate and greatly improve work efficiency.

Description

A concave bottom flat car middle beam composition welding tool

technical field

The utility model relates to a welding tool for forming a middle beam of a concave-bottom flat car, which belongs to the technical field of mechanical welding process equipment.

Background technique

The middle beam of the concave bottom flat car is an important load-bearing part of the concave bottom flat car. The length of the middle beam of the concave bottom flat car is more than ten meters. When tilted, the corners of the bottom surface and the top surface are arc transitions, and the bottom surface and the top surface are used as installation planes, and the positional accuracy is required. At the same time, the middle beam is the main load-bearing part of the concave bottom flat car. Due to the large span, the overall strength of the middle beam is required to be high, so the welding quality of the middle beam is required to be high.

Because the overall length of the middle beam of the concave-bottom flat car is very long, the bottom plate, side plate and top plate of the box-shaped structure are all spliced by steel plates. Vertical docking, positioning support is difficult. If the bottom plate is irregularly deformed after welding, it will not be able to connect well with the side of the side plate, and the butt gap will have an enlarged effect in the length direction, and the thickness and width of the middle beam steel plate are large, which can hardly be corrected. However, the existing tooling cannot meet the welding requirements of the middle beam of the concave bottom flat car, and there are problems such as inaccurate positioning, weak clamping, and easy deformation of welding.

SUMMARY OF THE INVENTION

The purpose of the utility model is to overcome the deficiencies of the prior art, and to provide a concave bottom flat car center beam composed of a welding tool, the welding tool can ensure the accurate positioning of the welding clamping, the clamping is firm, the welding deformation can be controlled, and the position of the welded product can be accurately controlled. Accuracy, convenient operation, greatly improved work efficiency, fully meet production requirements.

The welding tool of the middle beam of the concave bottom flat car includes an I-beam underframe, a box body is fixedly connected to the top of both ends of the I-beam underframe, and a number of first An adjustable positioning platform, a second adjustable positioning platform is fixedly connected above one end of the box body; a concave bottom flat car middle beam to be welded is fixed above the first adjustable positioning platform and the second adjustable positioning platform The side of the box body is fixedly connected with a number of flip clamps, the flip clamp includes flip calipers, slots and clips, the flip calipers and the slots are movably connected, and the flip calipers are fixedly connected to the clips.

In one embodiment of the present invention, the slot is two fixed plates welded on the side of the box body, a rotating shaft is fixed between the two fixed plates, the rotating shaft is movably connected with a flip caliper, and the flip The caliper rotates along the axis of the socket.

In one embodiment of the present invention, a clip is fixedly connected to the end above the flip caliper, and the clip fixedly connected to the flip caliper is used to lock the top surface of the middle beam of the concave bottom flat car.

In an embodiment of the present invention, the first adjustable positioning platform includes a first fixing plate, a compression nut and a slider, and the first fixing plate is fixed on the I-beam bottom frame and the top of the box body, A slider is movably connected above the first fixing plate through a compression nut and a bolt. A waist-shaped groove is formed in the slider, and the bolt is located in the waist-shaped groove. By loosening the compression nut, the slider moves along the bolt. , the sliding block and the first fixing plate are used to lock the lower side of the middle beam of the concave bottom flat car.

In one embodiment of the present invention, the second adjustable positioning platform includes a second fixing plate, a compression nut and a slider, and a slider is movably connected above the second fixing plate through the compression nut. The number of the sliders above the second fixing plate is greater than the number of the sliders located above the first fixing plate.

In one embodiment of the present invention, a positioning column is fixedly connected to the side of the I-beam chassis between the two boxes and the side of the box, and the end above the positioning column is fixedly connected to a card The clip fixedly connected with the positioning column is used to lock the side of the middle beam of the concave bottom flat car.

In an embodiment of the present invention, a positioning clip is fixed between the first adjustable positioning platform located above the inclined surface of the box body and the I-beam bottom frame, and the number of positioning clips is two.

In an embodiment of the present invention, the bottom end of the positioning clip is clamped to the first fixing plate, the top end of the positioning clip is fixedly connected with a clip, and the clip fixedly connected with the positioning clip is used to lock the concave bottom The slope position of the top surface of the beam in the flat car.

In one embodiment of the present invention, the side surfaces of the two ends of the I-beam bottom frame are fixed with footrests, and the number of the footrests is four.

In one embodiment of the present utility model, the two ends of the middle beam of the concave bottom flat car are matched with the boxes at both ends of the I-beam bottom frame, and the concave bottom position of the middle beam of the concave bottom flat car is matched with the two boxes. Fits between the I-beam chassis.

beneficial effect

1. The utility model has the advantages of reasonable design, reliable action, precise control, convenient operation, and fully satisfying production requirements; the reliability and efficiency of the welding of the middle beam of the flat car have been greatly improved; , The equipment has good versatility, low manufacturing cost and convenient maintenance.

2. The middle beam of the concave bottom flat car of the present utility model is composed of a welding tool which is integrally fixed, and has a box-shaped structure of the base body, with high overall strength, good rigidity, stable support, and safety and reliability.

3. The distance between the first fixing plate and the I-beam chassis and the box body of the present utility model is adjustable, and the distance between the second fixing plate and the box body is adjustable. The height and horizontal position ensure good dimensional accuracy of the overall horizontal direction and position of the installation surface.

4. The utility model realizes multi-point positioning and locking by setting a plurality of first adjustable positioning platforms, overturning fixtures, positioning columns, etc., with accurate positioning and firm locking, avoiding overall distortion and deformation after welding, and avoiding large space. , to prevent interference, does not affect the welding operation, easy to maintain stable and continuous welding.

5. The four pedal platforms provided by the utility model are convenient for welding operation and construction.

Description of drawings

Fig. 1 is the three-dimensional view of the utility model concave bottom flat car middle beam composed of welding tooling (the flip clamp is in the open state);

Fig. 2 is the three-dimensional view of the utility model concave bottom flat car middle beam composed of welding tooling (the flip clamp is in the locked state);

Fig. 3 is the front view of the utility model concave bottom flat car middle beam composed of welding tooling (the flip clamp is in the locked state);

Fig. 4 is the partial enlarged schematic diagram of A in Fig. 1;

In the figure: 1. I-beam chassis; 2. The first adjustable positioning platform; 3. The pedal platform; 4. The flip clamp; 5. The box body; 6. The second adjustable positioning platform; Vehicle center beam; 8. Positioning clip; 9. Positioning column; 21. First fixing plate; 22. Pressing nut; 23. Slider; 41. Flip caliper; 42. Slot; 43. Clip; 61. Section Two fixed plates.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. Wherein the same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward or away from the geometric center of a particular component, respectively.

Example 1

A concave bottom flat car middle beam is composed of welding tooling, as shown in Figures 1-3, including an I-beam base frame 1, a box body 5 is fixedly connected above both ends of the I-beam base frame 1, and the bottom of the I-beam is connected. A plurality of first adjustable positioning platforms 2 are fixedly connected above the frame 1 and the box body 5, and a second adjustable positioning platform 6 is fixedly connected above one end of the box body 5; the first adjustable positioning platforms 2 and The top of the second adjustable positioning platform 6 is fixed with a concave bottom flat car middle beam 7 to be welded. The concave bottom position of the middle beam 7 of the bottom flat car is matched with the I-beam chassis 1 between the two boxes 5 . Footrests 3 are fixed on the sides of the two ends of the I-beam chassis 1, and the number of the footrests 3 is four, so as to facilitate the welding operation and construction.

As shown in FIG. 1 or 4 , a number of flip clamps 4 are fixedly connected to the side of the box body 5 . The flip clamp 4 includes flip clamps 41 , slots 42 and clips 43 , and the slots 42 are two pieces. The fixed plate is welded on the side of the box body 5. A rotating shaft is fixed between the two fixed plates. The rotating shaft is movably connected with a flip caliper 41. The flip caliper 41 can rotate along the axis of the slot 42. The top of the flip caliper 41 is fixedly connected with a clip 43. As shown in FIG. 2, the clip 43 fixedly connected with the flip caliper 41 is used to lock the middle beam 7 of the concave bottom flat car. top.

As shown in Figures 1-4, the first adjustable positioning platform 2 includes a first fixing plate 21, a compression nut 22 and a slider 23, and the first fixing plate 21 is fixed on the I-beam chassis 1 and the box Above the body 5, the distance between the first fixing plate 21 and the I-beam chassis 1 and the box body 5 is adjustable, and the sliding block 23 is movably connected above the first fixing plate 21 through the compression nut 22 and the bolt, so The slider 23 is provided with a waist-shaped groove, and the bolt is located in the waist-shaped groove. By loosening the compression nut 22, the slider 23 can move along the bolt. As shown in FIG. 2, the slider 23 and the first The fixing plates 21 are used to lock the lower side of the middle beam 7 of the concave bottom flat car. The second adjustable positioning platform 6 includes a second fixing plate 61, a compression nut 22 and a slider 23. The distance between the second fixing plate 61 and the box body 5 is adjustable, and the upper part of the second fixing plate 61 is pressed. The tightening nut 22 is movably connected with the sliders 23 , and the number of the sliders 23 located above the second fixing plate 61 is greater than the number of the sliders 23 located above the first fixing plate 21 .

Further, a positioning column 9 is fixedly connected to the side surface of the I-beam chassis 1 between the two boxes 5 and the side surface of the box body 5, and the end above the positioning column 9 is fixedly connected to a clip 43. , the clip 43 fixedly connected with the positioning column 9 is used to lock the side surface of the middle beam 7 of the concave bottom flat car.

Further, a positioning clip 8 is fixed between the first adjustable positioning platform 2 located above the inclined surface of the box body 5 and the I-beam chassis 1, the number of positioning clips 8 is two, and the bottom of the positioning clip 8 is The top of the positioning clip 8 is fixedly connected with a clip 43, and the clip 43 fixedly connected with the positioning clip 8 is used to lock the slope position of the top surface of the middle beam 7 of the concave bottom flat car, The locking effect is further enhanced.

The working principle of the utility model: the overturning fixture 4, the positioning column 9 and other fixing fixtures are all in the raised position to avoid interference with the positioning of the middle beam 7 of the concave bottom flat car; The middle beam of the concave bottom flat car is composed of welding tool for positioning; according to the positioning condition of the middle beam 7 of the concave bottom flat car, the first adjustable positioning platform 2 and the second adjustable positioning platform 6 are adjusted, so that the middle beam 7 of the concave bottom flat car is adjusted. The positioning error is kept within the tolerance range, and the positioning of the middle beam 7 of the concave bottom flat car is completed; the fixing fixtures such as the flip clamp 4, the positioning column 9, and the positioning clip 8 are located in the locking working position, and the middle beam 7 of the concave bottom flat car is realized. clamping.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present invention, any modifications, equivalent replacements, improvements, etc. made should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a welding frock is constituteed to depressed center sill flatcar center sill which characterized in that: the device comprises an I-beam underframe (1), wherein a box body (5) is fixedly connected above two ends of the I-beam underframe (1), a plurality of first adjustable positioning platforms (2) are fixedly connected above the I-beam underframe (1) and the box body (5), and a second adjustable positioning platform (6) is fixedly connected above one end of the box body (5); fixed bottom flatcar center sill (7) that remain the welded of top of first adjustable locating platform (2) and second adjustable locating platform (6), a plurality of upset anchor clamps (4) of side fixedly connected with of box (5), upset anchor clamps (4) are including upset calliper (41), slot (42) and card strip (43), be swing joint between upset calliper (41) and slot (42), upset calliper (41) and card strip (43) fixed connection.

2. The depressed center flat car center sill assembly welding tool of claim 1, characterized in that: the slot (42) is two fixed plates, and the welding is in the side of box (5), is fixed with the pivot between two fixed plates, pivot swing joint has upset calliper (41), upset calliper (41) are rotatory along the pivot of slot (42).

3. The depressed center flat car center sill assembly welding tool of claim 2, characterized in that: the end fixedly connected with card strip (43) of upset calliper (41) top, card strip (43) with upset calliper (41) fixed connection is used for locking the top surface of concave bottom flatcar center sill (7).

4. The depressed center flat car center sill assembly welding tool of claim 3, characterized in that: first adjustable positioning platform (2) include first fixed plate (21), gland nut (22) and slider (23), the top at I-beam chassis (1) and box (5) is fixed in first fixed plate (21), and gland nut (22) and bolt swing joint have slider (23) in the top of first fixed plate (21), set up the kidney slot in slider (23), the bolt is located the kidney slot, through loosening gland nut (22), and slider (23) are followed the bolt and are removed, be used for locking the lower side limit of well bottom flatcar center sill (7) between slider (23) and first fixed plate (21).

5. The depressed center flat car center sill assembly welding tool of claim 4, characterized in that: the second adjustable positioning platform (6) comprises a second fixing plate (61), a compression nut (22) and a sliding block (23), the sliding block (23) is movably connected to the upper portion of the second fixing plate (61) through the compression nut (22), and the number of the sliding blocks (23) located above the second fixing plate (61) is larger than the number of the sliding blocks (23) located above the first fixing plate (21).

6. The depressed center flat car center sill assembly welding tool of claim 5, characterized in that: the side that is located I-beam chassis (1) between two boxes (5) and side fixedly connected with reference column (9) of box (5), the end fixedly connected with card strip (43) of reference column (9) top, card strip (43) with reference column (9) fixed connection is used for locking the side of well bottom flatcar center sill (7).

7. The depressed center flat car center sill assembly welding tool of claim 6, characterized in that: and two positioning clamps (8) are fixed between the first adjustable positioning platform (2) positioned above the inclined plane of the box body (5) and the I-beam chassis (1), and the number of the positioning clamps (8) is two.

8. The depressed center flat car center sill assembly welding tool of claim 7, characterized in that: the bottom of locating clip (8) blocks first fixed plate (21), and the top fixedly connected with card strip (43) of locating clip (8), card strip (43) with locating clip (8) fixed connection is used for locking the slope position of concave bottom flatcar center sill (7) top surface.

9. The depressed center flat car center sill assembly welding tool of claim 8, characterized in that: the side surfaces of two ends of the I-beam underframe (1) are fixed with four pedal platforms (3), and the number of the pedal platforms (3) is four.

10. The depressed center sill flat car center sill assembly welding tool according to any one of claims 1 to 9, characterized in that: the two ends of the concave bottom flat car middle beam (7) are matched with the box bodies (5) at the two ends of the I-shaped beam underframe (1), and the concave bottom part of the concave bottom flat car middle beam (7) is matched with the I-shaped beam underframe (1) between the two box bodies (5).

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