CN204339163U - A kind of welding tooling of track traffic brakes rack construction part - Google Patents

Abstract

The utility model relates to a kind of welding tooling of track traffic brakes rack construction part.It comprises overturn platform and pedestal; Two L locating pieces, one, two L locating pieces two and two L locating pieces three are set between the both sides, front and back on pedestal, two L locating pieces, one, two L locating pieces two and two L locating pieces three be all arranged on pedestal by gas installed surface, its locating surface is and is oppositely arranged, and the locating surface of the locating piece one of the same side, L locating piece two and L locating piece three is all on same datum level; The pedestal that pedestal between two L locating pieces one pedestal be provided with between four cushion blocks, one, two L locating pieces two is provided with between two cushion blocks, two, two the L locating pieces three configuring latch one is provided with four cushion blocks three; This pedestal two positioning supports are each side set, positioning support is all configured with latch two.It can improve the precision of welded articles, ensures its interchangeability, raises labour productivity, and reduces manufacturing cost, reduces labor intensity, guarantee safe production.

Description

A welding tool for the frame structure of rail transit braking system

technical field

The utility model relates to a welding tool, in particular to a welding tool for a rail traffic braking system frame structure.

Background technique

With the rapid development of rail transit business and the multiple speed-ups of trains, the performance requirements for rail transit structural parts are getting higher and higher. Traditional manual assembly can no longer meet the size guarantee and flatness requirements. Therefore, it is feasible to design a It is imperative to assemble welding equipment.

An existing rail transit braking system frame structure is a boat-shaped frame, which is placed at the bottom of the high-speed rail to support electrical components. As shown in Figure 1-3, the structural part is composed of main board A, head beam B, left reinforcement board C, right reinforcement board D, middle beam 1 E, middle beam 2 F, reinforcement board G and mounting seat H welded together. Multiple parts need to be positioned and welded at multiple positions and angles with high precision. This part is installed in a specific part of the high-speed rail, so there are high precision requirements for the assembly dimensions of the parts, and certain requirements for the flatness and verticality of the parts. Traditional manual assembly can no longer guarantee the accuracy of dimensions and the flatness and verticality of parts.

Utility model content

The purpose of the utility model is to provide a welding tool for rail transit brake system frame structural parts, which mainly solves the technical problems of assembly and positioning welding of rail transit structural parts. It can improve the precision of welded products and ensure their interchangeability. Improve labor productivity, reduce manufacturing costs, reduce labor intensity, and ensure safe production.

To achieve the above object, the utility model is achieved in this way.

A welding tool for a frame structure of a rail transit braking system, characterized in that it includes an overturning platform and a reversible base connected to the overturning platform; two L Positioning block 1, two L positioning blocks 2 and two L positioning blocks 3, two L positioning blocks 1, two L positioning blocks 2 and two L positioning blocks 3 are all installed on the base through the air mounting surface, The positioning surfaces of two L positioning blocks 1, two L positioning blocks 2 and two L positioning blocks 3 are set oppositely, and the positioning of one positioning block 1, one L positioning block 2 and one L positioning block 3 on the same side The surfaces are all on the same datum plane; on the base between the two L positioning blocks 1, there are four pads 1, and on the base between the two L positioning blocks 2, there are two bolts 1 configured. Pad block 2, four pads 3 are arranged on the base between the two L positioning blocks 3; .

The welding tool for the frame structure of the rail transit braking system is characterized in that the welding tool has a connecting seat corresponding to each pressing block, and also has a caliper.

The advantage of the assembly welding tool of the present utility model when implementing the assembly positioning welding operation of rail transit structural parts is that.

1. Improve the precision of welding products and ensure their interchangeability. When assembling tack welding, if fixtures are not used, even if the assembly is composed of several parts, it is impossible to ensure the precise relative position of each part. In addition, during the welding process, the weldments are often deformed, especially for complex structures, and the deformation sometimes reaches an irreversible level, which will affect the final assembly and even cause the product to be scrapped. The use of fixtures can not only ensure the correct relative position of each part when assembling tack welding, but also prevent or reduce the welding deformation of the workpiece. Especially in mass production, it can stabilize the welding quality, reduce the size deviation of weldments, and ensure the interchangeability of products.

2. Improve labor productivity and reduce manufacturing costs. The production process of welded structures generally includes: preparation (cleaning, drying of welding materials, beveling of workpiece, etc.), assembly (alignment, positioning, clamping or spot welding, etc.), welding, cleaning (removal from the fixture Workpiece, removal of welding slag, etc.), inspection, post-weld heat treatment and correction, final inspection and other processes. The labor load of various auxiliary processes before and after welding often exceeds the welding process itself. Therefore, the most effective measure to increase labor productivity is to reduce the time of auxiliary processes. In the production of welded structures, due to the different complexity of weldments, pure welding time only accounts for 10% to 30% of the total processing time of the product, and the rest is time for material preparation, assembly and auxiliary work. If high-efficiency welding fixtures are used to reduce the auxiliary time to 20 minutes, the labor productivity can be increased by 40%. Obviously, in order to shorten the production cycle and improve labor productivity, in addition to the use of automated welding processes, advanced assembly processes must be adopted, and fixtures with high mechanization and automation levels should be used.

3. Reduce labor intensity and ensure safe production. With the use of fixtures, the positioning of the workpiece is fast, the clamping is convenient and labor-saving, and the heavy physical labor during the assembly, positioning and clamping of the weldment is reduced, the working conditions are greatly improved, and it is also conducive to the safety management of welding production.

Description of drawings

Fig. 1 is a perspective view of a frame structure of a rail transit braking system.

Fig. 2 is a schematic diagram of the right structure of the frame structure of the rail transit braking system.

Fig. 3 is a top structural schematic diagram of the frame structure of the rail transit braking system.

Fig. 4 is a perspective view of the utility model.

Fig. 5 is a schematic diagram of the front structure of the utility model.

Fig. 6 is a schematic top view of the utility model.

Fig. 7 is a schematic diagram of the first use state of the utility model.

Fig. 8 is a second schematic diagram of the use state of the utility model.

Fig. 9 is a schematic diagram of the third use state of the utility model.

Fig. 10 is a perspective view of the utility model in use.

Detailed ways

Please refer to Fig. 4-6, the utility model discloses a welding tool for a rail transit braking system frame structure. As shown in the figure: it includes an overturning platform 1 and a reversible base 2 connected to the overturning platform; two L positioning blocks one 3 and two L positioning blocks two are arranged in sequence between the front and rear sides of the base 2 4 and two L positioning blocks three 5, two L positioning blocks one 3, two L positioning blocks two 4 and two L positioning blocks three 5 are all installed on the base 2 through the air mounting surface, two L positioning blocks The positioning surfaces of block one 3, two L positioning blocks two 4 and two L positioning blocks 5 are relatively arranged, and one positioning block one 3, one L positioning block two 4 and one L positioning block three 5 on the same side The positioning surfaces are all on the same datum plane; on the base 2 between the two L positioning blocks one 3 are provided with four spacers one 7, on the base 2 between the two L positioning blocks two 4 are provided Two pads two 8 of configuration latch one 10 are provided with four pads three 9 on the base 2 between two L positioning blocks three 5; Seat 6, all are equipped with latch two 11 on this positioning support 9.

The welding tool has connecting seats corresponding to each pressing block, and also has snap gauges.

Setting: Specify up, north, down, south, left, west, and right east on the base 2, set the three-dimensional direction from north to south as the X axis, with the base plate facing up as the Y axis, and from east to west as the Z axis.

The specific assembly process of using the utility model to the frame structure of the rail transit braking system is: put the 4 rectangular mounting bases H on the assembly tooling, place them horizontally on the positioning support 6 and the latch 2 11 in the Y direction, and place them on the east and west sides respectively. Position the 4 mounting bases H with pin 2, close the north-south direction to the groove on the positioning support 6 and pin 2 11 on the north side, and clamp with F pliers; place the main board A on the horizontal surface of the tooling, so that It is close to the L positioning block one 3, the L positioning block two 4 and the L positioning block three 5 on the north side, and the east-west direction uses the latch one 10 on the L positioning block one 3, the L positioning block two 4 and the L positioning block three 5, Clamp and fix with F clamps; place two pieces of head beam B on the east and west sides of the tooling, one piece each, so that the north side is close to the main board A, and the east-west direction is positioned by inserting into the long strip in the mounting seat H, using F clamp; assemble the middle crossbeam 2F on the tooling so that the north side is close to the main board A, and the east side is close to the pad 39, fastened by the movable screw on the pad 28; assemble the middle beam 1E on the tooling Make the north side close to the main board A, and the west side close to the head pad 17; install 2 left reinforcing plates C between the main board A and the head beam B, and close to the head beam B; assemble 2 pieces The right reinforcing plate D is placed on the tooling, close to the head beam B, and clamped with F pliers; assemble the reinforcing plate G on the tooling, and ensure the assembly height and the position of the parts in the east-west direction through the spacer 3, and it is close to the main board A , and fix with latch one 10; Point solid above-mentioned main board A, head crossbeam B, left reinforcement board C, right reinforcement board D, middle part crossbeam one E, middle part crossbeam two F, reinforcement board G and mounting seat H.

So far, each part of the component has been spot welded and fixed, and then welded at the corresponding welding position. After welding, the component is removed from the tooling. For parts that cannot be welded on the tooling, the parts are removed from the tooling After that, welding is carried out, and the relative size, flatness, and verticality of each component are measured with a tape measure, and the size guarantee is relatively good. After that, the parts are shaped to meet the quality requirements of the product (as shown in Figure 7-10).

To sum up, the above are only preferred embodiments of the present utility model, and are not intended to limit the implementation scope of the present utility model. That is, all equivalent changes and modifications made according to the content of the patent scope of the utility model should be within the technical category of the utility model.

Claims (1)

1. a welding tooling for track traffic brakes rack construction part, is characterized in that: it comprises overturn platform (1) and is connected to turnover pedestal (2) on overturn platform, two L locating pieces one (3) are set gradually between both sides, front and back on this pedestal (2), two L locating pieces two (4) and two L locating pieces three (5), two L locating pieces one (3), two L locating pieces two (4) and two L locating pieces three (5) be all arranged on pedestal (2) by gas installed surface, two L locating pieces one (3), the locating surface of two L locating pieces two (4) and two L locating pieces three (5) is and is oppositely arranged, and the same side locating piece one (3), the locating surface of a L locating piece two (4) and a L locating piece three (5) is all on same datum level, pedestal (2) between two L locating pieces one (3) is provided with four cushion blocks one (7), pedestal (2) between two L locating pieces two (4) is provided with two cushion blocks two (8) of configuration latch one (10), the pedestal (2) between two L locating pieces three (5) is provided with four cushion blocks three (9), this pedestal (2) two positioning supports (6) are each side set, this positioning support (9) is all configured with latch two (11).