CN202317535U - Electric locomotive roof assembly welding fixture - Google Patents

Abstract

The utility model relates to a welding tool for the top cover of an electric locomotive, which comprises a whole skeleton, a gantry and a cylinder. Angle of inclination, there is a sliding track for installing the gantry on the outside of the side wall panel; there is a movable cylinder fixing frame on the gantry, and the gantry is used to eliminate the welding gap between the aluminum plate and the frame to ensure the welding quality; to achieve a rigid fixation of the aluminum plate and the frame The strength achieves the effect of reducing welding deformation. There are evenly distributed side wall compression cantilevers on the outside of the side beams, and there are positioner connecting pipes on the stiffener plate. The utility model eliminates the interference between the product and the tooling by using the combination of mobile compression and fixed compression, and makes the product All can be welded on the tooling at one time. Improve work efficiency. All positioning devices have achieved fast and accurate positioning. Effectively guarantee the stability of the tooling and meet the product quality requirements.

Description

An electric locomotive roof assembly welding tool

Technical field:

The utility model relates to a welding tool for the top cover of an electric locomotive to ensure the quality of the welding seam and the appearance structure of the product; it belongs to the field of mechanical manufacturing.

Background technique:

During the manufacture of the existing top cover tooling, it is easy to have poor rigidity and sinking and deflection of the tooling, which will cause the tooling to fail. The deformation of the used fixtures, positioning blocks and other devices due to welding; there is a contradiction between the practicability and flexibility of the clamping method. It is difficult to grasp the welding deformation characteristics of the positioning block and positioning reference of the product. So that the location of the positioning is not positioned in the actual application process. Empirical data is not verified by experiments or errors are not obtained during experiments to obtain true and accurate data. Unreasonable arrangement of the blanking process. The practicability, reliability, flexibility and economy of tooling parts cannot be taken into account. The selection and calculation of pneumatic equipment are often too different from the actual requirements. It often results in parts rework or even scrapping. And affect the product quality and even cause the product to be scrapped.

Invention content:

The purpose of the utility model is to overcome the above-mentioned defects, and provide a welding tool for electric locomotive top cover with high working efficiency, safety, reliability, practicality, flexibility, no deformation during welding, and guaranteed weld seam quality and product shape structure.

The technical scheme of the utility model: a welding tool for the top cover of an electric locomotive, including an overall skeleton, a gantry and a cylinder, and is characterized in that the overall skeleton in the welding tool for the top cover is composed of uniformly distributed reinforcing ribs, four main Beams, beams on both sides, a base plate and wall panels on both sides form a concave frame structure;

The four main beams and the two cross bars are a well-shaped underframe, side beams are arranged on both sides of the underframe, a bottom plate (4) is arranged on the bottom frame, and evenly distributed reinforcing ribs are arranged on the lower surface of the bottom plate (4) The plate (1), that is, the bottom plate (4) is placed parallel to the stiffener plate (1) and fixed by spot welding, and the two sides of the bottom plate (4) are provided with side wall panels (5) for assembling the side walls of the top cover. The inclination angle between the wall board and the bottom board is 119°, that is, the wall boards on both sides are arranged on both sides of the bottom board and fixed on the beams on both sides respectively, and there is a sliding track on the outside of the wall boards on both sides;

There is a positioner connecting pipe at both ends of the overall frame, and the outer sides of the two side beams of the overall frame are respectively equipped with side wall compression cantilevers for pressurization that are evenly distributed;

The gantry is two sliding gantry, the sliding gantry is arranged on the sliding track of the overall skeleton, the sliding gantry is composed of gantry columns, reinforcing ribs, beams and rolling bearings, the reinforcing ribs are arranged at the lower end of the beams, and the rolling bearings are installed on the The base of the gantry column is placed in the sliding tracks of the wall panels on both sides; the sliding gantry is driven by rolling bearings to move in the sliding grooves on the side walls.

The beams in the two sliding gantry are provided with evenly distributed cylinder fixing frames for fixing the cylinders, that is, the cylinders are fixed on the cylinder fixing frames of the beams, and the number of cylinder fixing frames on each sliding gantry is at least two pieces . The cylinder is a purchased part, and the working pressure of the cylinder is 120Mpa.

The utility model solves the sinking deflection of the tooling due to its own weight and large span during use; uses the positioning angle of the bottom plate and the side plate to ensure the angle of the product after welding; determines the assembly sequence of the tooling to ensure the overall effectiveness of the tooling; determines the side of the tooling The external deflection positioning dimension of the wall panel ensures the straightness and flatness of the side wall of the top cover product; it also ensures the interchangeability of components such as sliding gantry, cylinder, and side wall compression cantilever; it ensures that the tooling does not interfere with the product. Test the data of welding deformation and determine the direction and size of the anti-deformation of the tooling according to the data obtained from the test. So that product quality is guaranteed.

The utility model overcomes the welding shrinkage and the wave deformation of the thin plate due to the rigid fixing method used in the design. The vertical bending deformation and side bending deformation caused by welding are simulated by the form of the test, and the data of the simulation test combined with the empirical data are corrected. Use the anti-deformation method to prevent welding bending deformation according to the data. The combination of mobile pressing and fixed pressing eliminates the interference between the product and the tooling, so that all the products can be welded on the tooling at one time and the work efficiency is improved. All positioning devices have achieved fast and accurate positioning. Effectively guarantee the stability and practicability of the tooling, determine the rationality and economy of the design, and meet the product quality requirements. The utility model is a high-efficiency, safe, reliable, practical, flexible assembly and welding tool for ensuring the quality of weld seams and the appearance and structure of products.

Description of drawings:

Fig. 1 is a three-dimensional structural schematic diagram of special equipment on the top cover of an electric locomotive;

Fig. 2 is a schematic diagram of the left view structure of the special equipment on the top cover of the electric locomotive;

Fig. 3 is a structural schematic diagram of a sliding gantry;

In the figure: 1-reinforcing rib plate, 2-main beam, 3-side beam, 4-bottom plate, 5-side wall panel, 6-sliding track, 7-positioner connecting pipe, 8-gantry column, 9-reinforcement Rib, 10-beam 1,11-rolling bearing, 12-cylinder fixed frame, 13-side wall compression cantilever, 14-cross bar.

Detailed ways:

Referring to Fig. 1, Fig. 2 and Fig. 3, a roof assembly welding tool for an electric locomotive includes an overall skeleton, a gantry and a cylinder. The main beam 2, two square tube side beams 3, a bottom plate 4 and two side wall panels 5 form a concave frame structure;

Four main beams 2 and two cross bars 14 form a well-shaped underframe. Square tube side beams 3 are arranged on both sides of the underframe. A bottom plate 4 is arranged on the underframe. The lower surface of the bottom plate 4 is provided with evenly distributed reinforcing ribs. 1. That is, the bottom plate 4 is a whole steel plate with a thickness of 20 mm, which is placed parallel to the stiffener plate 1 and fixed by spot welding to ensure a flatness of 0.5 mm, and at the same time ensure that the plane cannot be distorted. The whole steel plate is used to ensure the flatness of the bottom surface of the top cover. The side wall panels 5 for assembling the side walls of the top cover are arranged on both sides of the bottom plate 4. The inclination angle between the side wall panels 5 and the bottom plate 4 is 119°, that is, the side wall panels 5 are arranged on both sides of the bottom plate 4 and fixed on both sides respectively. On the beam 3, a sliding track 6 is provided on the outer sides of the wall panels 5 on both sides;

Both side wall panels 5 are arranged on both sides of the base plate 4 and fixed on the two side beams 3 respectively, and a sliding track 6 is respectively provided on the outer side of the lower part of the two side wall panels 5; the side wall panels 5 are used to assemble the side walls of the top cover , Installed on the side of the rib to ensure the inclination angle with the bottom plate, considering the external deflection of the side wall, reserve the anti-deformation of the side wall welding in advance and use the side wall to compress the cantilever to compress.

Both ends of the overall framework are provided with a positioner connecting pipe 7, and the outer sides of the two side beams 3 of the overall framework are respectively provided with side wall compression cantilevers 13 for pressurization that are evenly distributed;

The gantry is two sliding gantry, the sliding gantry is set on the sliding track 6 of the overall skeleton, the sliding gantry is composed of a gantry square tube column 8, a steel bar reinforcing rib 9, a square tube beam 10 and a rolling bearing 11. Rib 9 is arranged on the lower end of crossbeam 10, and rolling bearing 11 is installed on the gantry column 8 base and is placed in the sliding track 6 of both side wall panels 5;

The beams 10 in the two sliding gantry are provided with evenly distributed cylinder mounts 12 for fixing the cylinders, that is, the cylinders are fixed on the cylinder mounts 12 of the crossbeam 10, and the number of cylinder mounts 12 on each sliding gantry is at least Two pieces (the present embodiment cylinder holder is four pieces). The cylinder is a purchased part, and the working pressure of the cylinder is 120Mpa.

In this example

The number of stiffener plates 1 is eleven pieces.

The number of main girders 2 is four.

Side beam 3 quantity is two pieces.

The number of bottom plates 4 is one piece.

The number of side wall panels 5 is two, which are installed on the inner hypotenuse of the stiffener panel 1 to form an angle of 119°;

Sliding track 6 quantity is two pieces, is installed on side beam 3 lateral surfaces, is used for installing sliding gantry.

Positioner connecting pipe 7 quantity is two pieces, promptly is installed on the outside of stiffener plate 1 at both ends of frock, and is used for carrying frock and rotating frock usefulness.

The number of sliding gantry is two pieces, which are installed on the sliding track 6. The function of the gantry is to compress the aluminum plate and the aluminum profile frame placed on the bottom plate 4, so as to eliminate the welding gap between the aluminum plate and the frame and ensure the welding quality; at the same time, the gantry is used to The supporting force and the thrust generated by the cylinder form a reaction force to form a rigid fixing force on the aluminum plate and the frame to reduce welding deformation.

Gantry column 8 quantity is four pieces.

The number of reinforcing ribs 9 is four, and they are installed on the crossbeam 10 to play a reinforcing role.

Crossbeam 10 quantity is installed on the gantry column 8 for four pieces.

Rolling bearing 11 quantity is eight, is installed on the gantry column 8 bases (each gantry column has two rolling bearings) and plays the effect of fixed bearing.

Cylinder fixed frame 12 quantity is eight, is installed in crossbeam 10 and plays the fixed effect of supporting cylinder. That is, bearing is housed on the cylinder fixed mount 12 and moves by the track on the beam, after the fixed mount moves to a certain position, the positioning pin on the fixed mount is tightened to restrain the movement of the fixed mount.

Side wall pressing cantilever 13 quantity is 18 pieces, is installed in the outside of edge beam 3, and effect is that product side wall board is pressed.

Crossbeam 14 quantity is two pieces, is installed on the main beam 2, and the effect is the supporting point of auxiliary fixture when product two ends are clamped.

Cylinder quantity is eight (purchase parts), is installed in the cylinder fixed mount 12.

Claims (2)

1. an electric locomotive top cover assembly welding frock comprises whole skeleton, gantry and cylinder, it is characterized in that:

Whole skeleton in A, described this top cover assembly welding frock is formed the spill tower structure by strengthening gusset (1), four girders (2), two side bars (3), a base plate (4) and both sides wallboard (5);

Described four girders (2) and two cross bars (14) are the underframe of groined type structure; These underframe both sides are provided with side bar (3); Base plate (4) is set on underframe, the reinforcement gusset (1) that base plate (4) lower surface setting is uniformly distributed with, promptly the parallel reinforcement gusset (1) that is placed on of base plate (4) is upward fixed with spot welding; The both sides of base plate (4) are provided with the framed side wallboard (5) that is used for assembling the top cover side wall; This framed side wallboard (5) is 119 ° with the angle of inclination of base plate (4), and promptly both sides wallboard (5) is arranged on base plate (4) both sides and is separately fixed on two side bars (3), and both sides wallboard (5) outside respectively is provided with a sliding rail (6);

Whole skeleton two ends respectively are provided with a positioner tube connector (7), and the outside of two side bars (3) of whole skeleton respectively is provided with the side wall that is used to pressurize that is uniformly distributed with and compresses cantilever (13);

B, described gantry are two slip gantry; This slip gantry is arranged on the sliding rail (6) of whole skeleton; Slip gantry is made up of gantry upright post (8), reinforcement (9), crossbeam (10) and rolling bearing (11); This reinforcement (9) is arranged at the lower end of crossbeam (10), and rolling bearing (11) is installed on gantry upright post (8) base and places in the sliding rail (6) of both sides wallboard (5);

Crossbeam (10) in C, described two slip gantry is provided with the cylinder fixed mount (12) that is used for fixing cylinder that is uniformly distributed with, and promptly cylinder is fixed on the cylinder fixed mount (12) of crossbeam (10), at least two of the quantity of the cylinder fixed mount (12) on each slip gantry.

2. a kind of electric locomotive top cover assembly welding frock as claimed in claim 1, the operating pressure that it is characterized in that described cylinder is 120Mpa.

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