CN206169544U - EMUs framework welding anti -deformation device - Google Patents

Abstract

EMUs framework welding anti -deformation device belongs to the EMUs framework welding shape auxiliary device field of preapring for an unfavorable turn of events, and it includes double thread pipe, two screwed pipe neck bushs, two access arm, two sets of bolted connection spare and handle driving mechanisms, the access arm is including square pipe, V -arrangement location support piece and L shape centering clamp plate. The utility model discloses can make handle driving mechanism and screwed pipe neck bush constitute two screw actuation mechanisms respectively for adjust the interval of two access arm simultaneously, still enabling the handle driving institutional adjustment and lieing in two neighbouring curb girder cap tube's on two different curb girders distance respectively, and then stop curb girder cap tube because of the offset that welding deformation takes place in welding process, two curb girders guaranteeing the framework remain the parallel throughout and prevent framework welding deformation's emergence.

Description

Motor train unit framework Anti-deformation device for welding

Technical field

This utility model belongs to motor train unit framework welding anti-deformation auxiliary device field, and in particular to a kind of motor train unit framework Anti-deformation device for welding.

Background technology

As described in Figure 1, motor train unit framework includes two curb girders 1 parallel to each other, and the two ends of each curb girder 1 are equipped with one The bottom of individual curb girder cap cylinder 1-1, curb girder cap cylinder 1-1 is cap cylinder 1-1-1, top and the curb girder end cap 1-1-2 of cap cylinder 1-1-1 It is connected.Curb girder end cap 1-1-2 is provided with the cap cylinder end cap shaft hole 1-1-2-1 coaxial with cap cylinder 1-1-1.In motor train unit framework During group weldering, affected by welding thermal deformation, metal parts can deform, and it is easily caused positioned at two not homonymies There are significant changes in the spacing of two adjacent side spar cap cylinder 1-1 on beam 1, cause two curb girders no longer parallel.

Utility model content

In order to solve the spacing of existing two adjacent side spar cap cylinders on different curb girders easily because welding thermal deformation Affect and change, cause should be parallel to each other two truck side sills in the no longer parallel technical problem of group postwelding, this reality With a kind of motor train unit framework Anti-deformation device for welding of new offer.

The technical scheme that this utility model solution technical problem is taken is as follows：

Motor train unit framework Anti-deformation device for welding, it includes double thread pipe, two corrugated tubing neck bush, two positioning Arm, two groups of bolt connection pieces and a handle-driving mechanism, the registration arm includes square tube, V-arrangement positioning support block and L-shaped centering Pressing plate, the bearing of trend of V-arrangement positioning support block its V-groove is vertical direction, the V-groove rear end face of V-arrangement positioning support block and side Termination is connected on the outside of the square tube of pipe；The minor face of L-shaped centering pressing plate is vertically fixed on the upper surface top of square tube end socket, L-shaped centering The long side of pressing plate parallel to square tube end socket upper surface, the bearing of trend of bearing of trend and the square tube on the long side of L-shaped centering pressing plate It is identical, and the long side of L-shaped centering pressing plate is located at the top of V-groove；One end of square tube is provided with four plug welding fabrication holes；The screw thread The center of pipe neck bush is provided with bushing internal thread hole, inside the square tube of the embedded square tube of corrugated tubing neck bush, outside corrugated tubing neck bush The side wall of profile is welded with the medial wall of square tube；The axis direction of bushing internal thread hole is identical with the bearing of trend of square tube；Institute The two ends for stating double thread pipe are equipped with external thread section, and the hand of spiral of two external thread section is opposite each other；Handle drives machine Structure includes riffled tube and two handles, and two symmetric handles ground are vertically fixed on the lateral wall in the middle part of riffled tube；It is described Riffled tube is coaxial nested and is connected in the stage casing of double thread pipe；The reverse thread section at double thread pipe two ends respectively with one Corresponding bushing internal thread hole threaded connection；L-shaped centering pressing plate it is long while it is upper be provided with along it is long while bearing of trend long slot bore, Bolt connection piece includes screw and nut, and its screw is slidably connected with long slot bore, and nut is connected with the lower end of screw.

The beneficial effects of the utility model are：The double thread pipe of the motor train unit framework Anti-deformation device for welding has direction Two contrary threaded ends, the two ends of double thread pipe are threadedly coupled respectively with a bushing internal thread hole, double thread pipe Middle part driven by handle-driving mechanism and rotated so that the corrugated tubing neck bush of handle-driving mechanism and its both sides is distinguished Two screw drive mechanisms are constituted, to the spacing for adjusting two registration arm simultaneously.The device with V-arrangement positioning also by supporting The registration arm of block is supported and holds out against to the lateral wall of cap cylinder, and using the cap cylinder on L-shaped centering pressing plate offside beam-ends lid End cap shaft hole is coaxially positioned, so that handle-driving mechanism can be used to adjust two be located at respectively on two different curb girders The distance of individual adjacent side spar cap cylinder, and then prevent the position that curb girder cap cylinder occurs because of welding deformation to offset in welding process, Two curb girders for guaranteeing framework remain parallel and prevent the generation of framework welding deformation.

The versatility of the motor train unit framework Anti-deformation device for welding is good, can be widely used in polytype existing motor-car Framework, in addition the device is easy to operate also with simple and practical, with low cost, is easy to the advantages of popularizing.

Description of the drawings

Fig. 1 is the axonometric chart of motor train unit framework；

Fig. 2 is the partial enlarged drawing of I parts in Fig. 1；

Fig. 3 is the axonometric chart of this utility model motor train unit framework Anti-deformation device for welding；

Fig. 4 is the explosive view of Fig. 3；

Fig. 5 is the schematic diagram of this utility model screw drive mechanism；

Fig. 6 is the axonometric chart of this utility model registration arm；

Fig. 7 is the application schematic diagram of this utility model motor train unit framework Anti-deformation device for welding；

Fig. 8 is the explosive view of Fig. 7

Fig. 9 is the top view of Fig. 7.

Specific embodiment

This utility model is described in further details below in conjunction with the accompanying drawings.

As shown in Figures 3 to 6, motor train unit framework Anti-deformation device for welding of the present utility model includes double thread pipe 2, two 4, two groups of the registration arm bolt connection piece 5 of individual corrugated tubing neck bush 3, two and a handle-driving mechanism 6, registration arm 4 includes side Pipe 4-1, V-arrangement positioning support block 4-2 and L-shaped centering pressing plate 4-3, the bearing of trend of V-arrangement positioning support block 4-2 its V-groove is perpendicular Nogata is to termination is connected on the outside of the V-groove rear end face of V-arrangement positioning support block 4-2 and the square tube of square tube 4-1.L-shaped centering pressing plate 4- 3 minor face is vertically fixed on the upper surface top of square tube 4-1 termination, and the long side of L-shaped centering pressing plate 4-3 is parallel to square tube 4-1 end The upper surface of head, the bearing of trend on the long side of L-shaped centering pressing plate 4-3 is identical with the bearing of trend of square tube 4-1, and L-shaped centering pressure The long side of plate 4-3 is located at the top of V-groove.One end of square tube 4-1 is provided with four plug welding fabrication hole 4-1-1, and it is used for screw thread Pipe neck bush 3 is welded.

The center of corrugated tubing neck bush 3 is provided with bushing internal thread hole 3-1, and corrugated tubing neck bush 3 is embedded in the square tube of square tube 4-1 Inside, the side wall of the outline of corrugated tubing neck bush 3 is welded with the medial wall of square tube 4-1.The axis side of bushing internal thread hole 3-1 To identical with the bearing of trend of square tube 4-1.The two ends of double thread pipe 2 are equipped with external thread section, the spiral shell of two external thread section Stricture of vagina direction is opposite each other.Handle-driving mechanism 6 includes that riffled tube 6-1 and two handle 6-2, two handle 6-2 symmetrically hang down Directly it is fixed on the lateral wall in the middle part of riffled tube 6-1.

The riffled tube 6-1 is coaxial nested and is connected in the stage casing of double thread pipe 2, the two ends of double thread pipe 2 it is anti- To thread segment, respectively corrugated tubing neck bush 3 corresponding with is threadedly coupled so that the screw thread of handle-driving mechanism 6 and its both sides Pipe neck bush 3 respectively constitutes two screw drive mechanisms, to the spacing for adjusting two registration arm 4 simultaneously.

L-shaped centering pressing plate 4-3 it is long while it is upper be provided with along it is long while bearing of trend long slot bore 4-3-1, bolt connection piece 5 includes Screw and nut, its screw is slidably connected with long slot bore 4-3-1, and nut is connected with the lower end of screw.

As shown in Figure 7 to 9, during concrete application motor train unit framework Anti-deformation device for welding of the present utility model, first incite somebody to action this Double thread pipe 2 on Anti-deformation device for welding is separated with two bushing internal thread hole 3-1 corresponding to it, then, by one The circular arc lateral wall patch of the cap cylinder 1-1-1 in V-arrangement positioning support block 4-2 and a curb girder end cap 1-1-2 in individual registration arm 4 Close, then be connected with long slot bore 4-3-1 and curb girder that the screw of part 5 is sequentially inserted on registration arm L-shaped centering pressing plate 4-3 In cap cylinder end cap shaft hole 1-1-2-1 on end cap 1-1-2, and the screw lower end of bolt connection piece 5 is fastened with nut, so that fixed One end cap cylinder 1-1-1 corresponding with this of position arm 4 is coaxially positioned.

Another registration arm 4 on current Anti-deformation device for welding is installed on another curb girder 1 with same method Adjacent side spar cap cylinder 1-1 on, hereafter, from newly by bushing internal thread hole 3-1 spiral shells that double thread pipe 2 is each corresponding with it Stricture of vagina connects, and with handss two handle 6-2 are being rotated clockwise, and makes the termination of double thread pipe 2 further from the lining corresponding to it A segment distance is screwed out in set internal thread hole 3-1, so as to promote corresponding one to both sides simultaneously using two screw drive mechanisms Registration arm 4, and make the V-arrangement in two registration arm 4 position support block 4-2 while being supported to the lateral wall of cap cylinder 1-1-1 With hold out against, you can complete the assembling to current Anti-deformation device for welding.

Using identical method, by the Anti-deformation device for welding of the other set present invention respectively with two other sides Spar cap cylinder 1-1 is attached, you can on framework two curb girders 1 is collectively forming with the Anti-deformation device for welding of two sets of present invention The rectangular configuration that one length of side is fixed, four on framework curb girder cap cylinder 1-1 is by the Anti-deformation device for welding point of two sets of present invention It is not positioned on four summits of the rectangular configuration, curb girder cap cylinder 1-1 is prevented in welding process because of welding deformation so as to play And the position skew for occurring, and then realize preventing framework welding deformation and guaranteeing two curb girders and remain parallel purpose.

Claims (1)

1. motor train unit framework Anti-deformation device for welding, it is characterised in that：The device includes double thread pipe (2), two corrugated tubings Neck bush (3), two registration arm (4), two groups of bolt connection pieces (5) and a handle-driving mechanisms (6), the registration arm (4) Including square tube (4-1), V-arrangement positioning support block (4-2) and L-shaped centering pressing plate (4-3), V-arrangement positioning support block (4-2) its V-groove Bearing of trend be vertical direction, termination on the outside of the square tube of V-groove rear end face and the square tube (4-1) of V-arrangement positioning support block (4-2) It is connected；The minor face of L-shaped centering pressing plate (4-3) is vertically fixed on the upper surface top of square tube (4-1) termination, L-shaped centering pressing plate (4- 3) long side parallel to square tube (4-1) termination upper surface, bearing of trend and the square tube (4- on the long side of L-shaped centering pressing plate (4-3) 1) bearing of trend is identical, and the long side of L-shaped centering pressing plate (4-3) is located at the top of V-groove；One end of square tube (4-1) is provided with Four plug welding fabrication holes (4-1-1)；

The center of the corrugated tubing neck bush (3) is provided with bushing internal thread hole (3-1), the embedded square tube (4- of corrugated tubing neck bush (3) 1) inside square tube, the side wall of corrugated tubing neck bush (3) outline is welded with the medial wall of square tube (4-1)；Bushing female thread The axis direction in hole (3-1) is identical with the bearing of trend of square tube (4-1)；The two ends of the double thread pipe (2) are equipped with outer spiral shell Stricture of vagina section, the hand of spiral of two external thread section is opposite each other；Handle-driving mechanism (6) includes riffled tube (6-1) and two Handle (6-2), two handles (6-2) are symmetrically vertically fixed on the lateral wall in the middle part of riffled tube (6-1)；

The riffled tube (6-1) is coaxial nested and is connected in the stage casing of double thread pipe (2)；Double thread pipe (2) two ends Bushing internal thread hole (3-1) threaded connection corresponding with one respectively of reverse thread section；

L-shaped centering pressing plate (4-3) it is long while it is upper be provided with along it is long while bearing of trend long slot bore (4-3-1), bolt connection piece (5) including screw and nut, its screw is slidably connected with long slot bore (4-3-1), and nut is connected with the lower end of screw.