阅读说明：本技术 一种铝合金地铁牵枕缓通用组焊工装 (General assembly welding frock of aluminum alloy subway lead sleeper delay ) 是由 陆安进 竺星星 金文涛 周禄军 刘晨 沈超 于 2021-08-06 设计创作，主要内容包括：本发明公开了一种铝合金地铁牵枕缓通用组焊工装,包括工装框架、可拆卸连接在工装框架前端的通用车钩定位座、固连在工装框架上的多条双T型滑槽；双T型滑槽中可拆卸连接有枕梁压紧定位装置及旋转式牵引梁压紧定位装置；所述通用车钩定位座上设有长槽孔。本发明适用于不同尺寸及不同车钩结构(头部、中间部)的铝合金牵枕缓组装焊接,减少牵枕缓总组工装数量,降低生产成本,并且减少总组后调修次数,提高生产效率。(The invention discloses an aluminum alloy subway tie-down buffer general assembly welding tool which comprises a tool frame, a general coupler positioning seat detachably connected to the front end of the tool frame, and a plurality of double-T-shaped sliding grooves fixedly connected to the tool frame; a sleeper beam pressing and positioning device and a rotary type traction beam pressing and positioning device are detachably connected in the double T-shaped sliding grooves; and a long slot hole is formed in the universal coupler positioning seat. The invention is suitable for the assembly welding of the aluminum alloy traction and bolster bumpers of different sizes and different coupler structures (head parts and middle parts), reduces the number of tools for assembling the traction and bolster bumpers, reduces the production cost, reduces the times of adjustment and repair after the assembly, and improves the production efficiency.)

1. An aluminum alloy subway traction bolster buffering general assembly welding tool is characterized by comprising a tool frame, a general coupler positioning seat detachably connected to the front end of the tool frame, and a plurality of double-T-shaped sliding grooves fixedly connected to the tool frame; a sleeper beam pressing and positioning device and a rotary type traction beam pressing and positioning device are detachably connected in the double T-shaped sliding grooves; and a long slot hole is formed in the universal coupler positioning seat.

2. The assembly welding tool for the aluminum alloy metro traction and bolster buffering of claim 1 is characterized in that the sleeper beam compressing and positioning device is a screw compressing structure capable of adjusting the up-down direction and the front-back direction.

3. The aluminum alloy subway traction, bolster and buffering general assembly and welding tool according to claim 1, characterized in that a bolster compactor is further arranged on the tool frame and detachably connected to the longitudinal beam with scales.

4. The assembly welding tool for the aluminum alloy metro traction and bolster buffering of claim 1, wherein the rotary type traction beam pressing and positioning device is provided with an angle adjusting mechanism.

5. The assembly welding tool for the aluminum alloy metro traction bolster buffer is characterized in that the deflection detection blocks with distance sensors are arranged on two sides of a sleeper beam and a traction beam of the tool frame.

6. The assembly welding tool for the traction, bolster and buffering of the aluminum alloy subway is characterized in that a bolster machining surface adjusting device detachably connected is further arranged on the tool frame.

7. The aluminum alloy metro tie-down pulling and buffering general assembly welding tool according to claim 1, wherein a position changer interface is further arranged on the tool frame.

Technical Field

The invention relates to a general assembly welding tool for traction and bolster buffering of an aluminum alloy subway, and belongs to the technical field of welding equipment.

Background

The part of the tip of subway chassis is called to lead to the pillow slowly, and aluminum alloy automobile body chassis draws the pillow slowly owing to all be the thick plate welding, and the welding heat input leads to after welding to warp greatly, and the deformation that welding residual stress arouses after the cooling can influence structural design's dimensional requirement, because the aluminum alloy warp is difficult to restore through pressure adjusting, and dimensional deviation can cause the unsatisfied user demand of product, so need use the deformation when the group welding frock of a design science to control the pillow slowly welding.

The aluminum alloy subway traction and bolster cushion can be divided into a head traction and bolster cushion and a middle part traction and bolster cushion according to the structure and the size, the length of the head traction and bolster cushion is about 1000-1500 mm longer than that of a middle car, and the structures of car coupler seat parts are different, so that the assembly welding process of the traction and bolster cushion of the middle car and the assembly welding process of the head traction and bolster cushion of the middle car are divided into two types in the subway production factory at the present stage, the head part and the middle part need to be distinguished corresponding to related equipment, equipment and the like, and the resource and space waste is realized. Meanwhile, when the existing traction and bolster slow assembly welding process product is used, the flatness of the machined surface of the sleeper beam cannot be adjusted in real time, so that the machined flatness of the integrally assembled and welded sleeper beam cannot meet the ideal requirement, the sleeper beam needs to be adjusted and repaired after welding, the product quality is reduced, and the production efficiency is reduced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a general assembly welding tool for traction and bolster buffers of an aluminum alloy subway, so as to solve the technical problem that the assembly welding tool in the prior art is poor in universality in response to traction and bolster buffers with different sizes.

In order to solve the technical problem, the invention is realized by adopting the following scheme:

the invention provides an aluminum alloy subway tie-down buffer general assembly welding tool which comprises a tool frame, a general coupler positioning seat detachably connected to the front end of the tool frame, and a plurality of double-T-shaped sliding grooves fixedly connected to the tool frame; a sleeper beam pressing and positioning device and a rotary type traction beam pressing and positioning device are detachably connected in the double T-shaped sliding grooves; and a long slot hole is formed in the universal coupler positioning seat.

Preferably, the sleeper beam compressing and positioning device is a screw compressing structure capable of adjusting the up-down direction and the front-back direction.

Preferably, still be equipped with sleeper beam collet on the frock frame, can dismantle the connection on the longeron that has the scale.

Preferably, the rotary type traction beam pressing and positioning device is provided with an angle adjusting mechanism.

Preferably, the tool frame sleeper beam and the two sides of the traction beam are provided with deviation detecting blocks with distance sensors.

Preferably, the tool framework is further provided with a sleeper beam machining surface adjusting device which is detachably connected.

Preferably, the tool frame is further provided with a positioner interface.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention is suitable for the assembly welding of the aluminum alloy traction and bolster bumpers of different sizes and different coupler structures (head parts and middle parts), reduces the number of tools for assembling the traction and bolster bumpers, reduces the production cost, reduces the times of adjustment and repair after the assembly, and improves the production efficiency.

2. In the traction and bolster buffering assembly process, the flatness of the machined surfaces of the corbels on the two sides can be adjusted through the worm and gear mechanism, and the flatness of the machined surfaces of the corbels on the two sides after assembly welding is within 0.5mm/2 m.

3. The deflection middle detection block with the distance sensor can read data on two sides of the sleeper beam in real time to obtain a deflection middle value, and the assembly welding process precision is improved.

Drawings

FIG. 1 is a schematic structural view of a general assembly welding tool for a traction bolster buffer of an aluminum alloy subway, which is provided by the embodiment of the invention;

FIG. 2 is an enlarged schematic view of a hand-operated turbine worm structure of the assembly welding tool for the traction, bolster and buffering of the aluminum alloy subway provided by the embodiment of the invention;

fig. 3 is a schematic structural view of a double T-shaped chute and a general coupler positioning seat of an assembly welding tool for pulling, bolster and buffering of an aluminum alloy subway provided by an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a walking device of a draft sill compactor of the assembly welding tool for the traction bolster and the buffering of the aluminum alloy subway provided by the embodiment of the invention.

The reference numbers in the figures are: 1. a tooling frame; 2. a universal coupler positioning seat; 3. a double T-shaped chute; 4. a rotary draw beam hold down; 5. a first traction beam compactor; 6. the first sleeper beam compresses the positioning device; 7, pressing and positioning the second sleeper beam; 8. the third sleeper beam compresses the positioning device; 9. the fourth sleeper beam compresses the positioning device; 10. a bolster machine working face adjusting device; 11. a second traction beam compactor; 12. a coupler seat pressing device; 13. and detecting a block in the offset.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1, 3 and 4, a plurality of double-T-shaped sliding grooves 3 are fixed on a tool frame 1 by screws, so that the levelness and the verticality of the double-T-shaped sliding grooves 3 and the tool frame 1 are ensured, and the assembly welding process precision is improved.

According to lead and tie up the different size different selection general coupler seats 2 suitable slotted holes of delaying the structure, lead and tie up delay coupler seat and intermediate part with the head respectively and lead and tie up delay coupler seat phase-match, it is fixed to lead and tie up delay coupler seat with the bolt, adopt coupler seat closing device 12 to compress tightly, as the benchmark of total assembly welding, the aluminum alloy that is applicable to not unidimensional and different coupler structures (head, intermediate part) leads and ties up delay assembly welding, reduce and lead and tie up delay total group frock quantity, the production cost is reduced, and reduce the number of times of adjusting and repairing after the total group, the production efficiency is improved.

The traction beam and sleeper beam positioning and pressing device is fixed on the double-T-shaped sliding chute 3 through an inverted bolt and nut and is used for pressing and positioning the traction beam and the sleeper beam; the traction beam compactors 5 and 11 are arranged on a longitudinal beam with scale holes, can realize large-range adjustment in the width direction, and are fixed and welded at proper positions; the sleeper beam pressing and positioning devices 6, 7, 8 and 9 are adjusted to proper positions to press the sleeper beams after the sleeper beams are installed; the support on the rotary type traction beam pressing and positioning device 4 is provided with a screw rod, so that the adjustment of a certain angle can be realized, and the inclined plane of the traction beam is conveniently pressed. Each pressing and positioning mechanism is a module, so that the pressing and positioning mechanism is convenient to operate and good in universality.

The tool frame 1 is provided with the detection blocks 13 with the distance sensors in the middle deviation at two ends of the sleeper beam and two sides of the traction beam, a traditional method for measuring the middle deviation by a pull center line can be replaced, data at two sides of the sleeper beam can be read in real time to obtain the middle deviation value, then the assembly welding process is adjusted, and the assembly welding quality and the welding precision of a workpiece to be welded are improved.

Meanwhile, a positioner interface is reserved in the invention, and the tool is fixedly connected with the positioner, so that the tool can rotate 360 degrees, the vertical welding and the overhead welding are adjusted to be flat welding, and the welding difficulty is reduced.

As shown in figure 3, the sleeper beam machined surface adjusting device 10 is detachably connected to the tool frame, the flatness of the sleeper beam machined surface in the assembling process can be adjusted through a worm and gear mechanism according to needs, and the flatness of the sleeper beam machined surfaces on two sides after the assembling and welding is within 0.5mm/2m through high-precision sample plate detection.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.