Railway vehicle door frame assembling and welding tool

Abstract

In order to reduce the cost of the door frame assembling and welding tool and improve the utilization rate of the door frame assembling and welding tool, the utility model provides the rail vehicle door frame assembling and welding tool. The tool comprises a longitudinal beam; a linear guide rail; a support beam; the template assembly is used for placing the side wall of the railway vehicle and is fixed on the supporting cross beam; the first pressing assembly is fixedly connected with the formwork assembly and presses the side wall on the formwork assembly in the vertical direction. The door stand column reversible deformation assembly is fixed to the supporting cross beam and used for reversible deformation arrangement of a door frame stand column. The transverse supporting adjusting rods are arranged between the two opposite door frame stand columns in the left-right direction so that the door frame stand columns can be pushed to be attached to the corresponding side wall doorways. The T-shaped groove block is integrated on the door stand column reversible deformation assembly, and a T-shaped groove is formed in the T-shaped groove block. The reversible deformation plate is assembled in the T-shaped groove in a sliding mode and attached to the surface of the door frame stand column. The door frame stand column and the door stand column reversible deformation assembly are clamped in the vertical direction through the second pressing assembly; the third pressing assembly clamps the door frame stand column and the reversible deformation plate in the left-right direction.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of railway motor train unit manufacturing, especially relates to the design and manufacture of aluminium alloy side wall door frame assembly welding tooling. BACKGROUND

[0002] After the railway leap-frog development period, the motor train unit manufacturing industry enters a stable stage at present, on the basis of meeting the basic transport demand, tries best to improve the practicability and comfort of railway vehicles, which requires that the door frame assembly welding of the vehicle door also improves the corresponding practicability and flexibility.

[0003] The railway vehicle contains multiple different car bodies per train, and each car body of each type has left and right side walls, the number and position of the door of each side wall may be different, and each door frame is composed of left and right door frame columns, and each door frame column is a structural strength component of the car body, and the welding quality of the door frame column and the side weld is particularly important. Therefore, under the premise of ensuring the welding quality of the side wall door frame column and the side wall weld, the door frame assembly welding tooling cost needs to be reduced, and the utilization rate and flexibility of the door frame assembly welding tooling need to be improved. SUMMARY

[0004] In order to reduce the door frame assembly welding tooling cost and improve the utilization rate of the door frame assembly welding tooling, the utility model provides a railway vehicle door frame assembly welding tooling which has the characteristics of multi-type applicability, multidirectional adjustment and integrated operation.

[0005] The technical scheme of the utility model is:

[0006] A railway vehicle door frame assembly welding tooling, comprising:

[0007] a longitudinal beam;

[0008] a linear guide rail fixed on the longitudinal beam;

[0009] a support cross beam slidably mounted on the linear guide rail;

[0010] a template assembly fixed on the support cross beam for placing the side wall of the railway vehicle;

[0011] a first pressing assembly fixedly connected with the template assembly for pressing the side wall of the railway vehicle on the template assembly in the up-down direction;

[0012] a door column reverse deformation assembly fixed on the support cross beam for reverse deformation of the door frame column of the railway vehicle;

[0013] a transverse support adjusting rod arranged between the two opposite door frame columns in the left-right direction to push each door frame column to fit the corresponding side wall door;

[0014] A T-shaped groove block is integrated in the door post reverse deformation assembly, and a T-shaped groove is arranged in the T-shaped groove block in the left-right direction;

[0015] A reverse deformation plate is assembled at one end of the T-shaped groove and can slide in the T-shaped groove left and right, and the reverse deformation plate is attached to the surface of the door frame post on one side of the door opening;

[0016] A second pressing assembly is used to clamp the door frame post of the rail vehicle and the door post reverse deformation assembly in the up-down direction;

[0017] A third pressing assembly is used to clamp the door frame post of the rail vehicle and the reverse deformation plate in the left-right direction.

[0018] Preferably, the rail vehicle door frame assembly welding tool further comprises:

[0019] Two rows of column supports arranged side by side;

[0020] Two longitudinal beams are respectively mounted on one row of column supports;

[0021] A column connecting cross beam is connected between the two oppositely arranged column supports.

[0022] Preferably, the first pressing assembly comprises:

[0023] A first pressing sub-assembly is fixedly installed on one side of the template assembly and presses the upper surface of the side wall of the rail vehicle on one side;

[0024] A second pressing sub-assembly is fixedly installed on the other side of the template assembly and presses the upper surface of the side wall of the rail vehicle on the other side.

[0025] Preferably, the second pressing assembly comprises:

[0026] An auxiliary pressing support has one end on the support cross beam and the other end abutting against the lower surface of the door frame post through a lead screw;

[0027] A clamp has one end abutting against the lower surface of the auxiliary pressing support and the other end pressing the upper surface of the door frame post through a lead screw.

[0028] Preferably, the third pressing assembly comprises:

[0029] A C-shaped clamp clamps the door frame post and the reverse deformation plate in the left-right direction.

[0030] Preferably, a sliding block mounting plate is fixed on the longitudinal beam;

[0031] According to the type of the rail vehicle to be assembled and welded, the position of the support beam is adjusted along the linear guide rail; after being adjusted to the position, the pin is inserted into the pin hole of the slider mounting plate through the support beam, so that the support beam is fixed at the position corresponding to the type of the rail vehicle to be assembled and welded.

[0032] Preferably, the support beam is fixedly connected with the slider, and the slider is slidably assembled on the linear guide rail.

[0033] Preferably, the rail vehicle door frame assembly welding tool further comprises:

[0034] A door opening pressing assembly connects the template assemblies on both sides of the door frame into a whole.

[0035] Preferably, a reverse deformation gasket is arranged between the reverse deformation plate and the door frame upright column.

[0036] The rail vehicle door frame assembly welding tool has the advantages that through the integration of the above-mentioned parts, a rail vehicle door frame assembly welding tool is used to assemble and weld a plurality of side wall door frame upright columns of different vehicle types, the vehicle type can be quickly converted, the cost of the door frame assembly welding tool is reduced, the utilization rate and flexibility of the door frame assembly welding tool are improved, the labor intensity of workers is reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0037] The rail vehicle door frame assembly welding tool will be specifically described below with reference to the drawings.

[0038] Figure 1 is a side wall door opening schematic view;

[0039] Figure 2 is a tooling view of the utility model;

[0040] Figure 3 is a tooling sectional view of the utility model;

[0041] Figure 4 is a longitudinal sectional schematic view (A-A) of the utility model, in which the side wall is placed on the tooling;

[0042] Figure 5 is a longitudinal sectional schematic view (B-B) of the utility model, in which the door frame upright column is placed on the tooling;

[0043] Figure 6 is a horizontal sectional schematic view of the utility model, in which the door frame upright column is placed on the tooling;

[0044] Figure 7 is a partial enlarged schematic view of Figure 5 ;

[0045] 100-door frame upright, 200-side wall, 1-upright support, 2-longitudinal beam, 3-latch, 4-door frame center mark, 5-threaded base plate; 6-supporting cross beam, 7-assisted compression support, 8-screw rod, 9-second compression assembly, 10-template assembly, 11-first compression sub-assembly, 12-upright connecting cross beam, 13-sliding block mounting plate, 14-third compression assembly, 16-second compression sub-assembly, 17-doorway compression assembly, 19-door upright anti-deformation assembly, 20-transverse support adjusting rod, 21-T-shaped groove block, 22-anti-deformation plate, 23-anti-deformation gasket, 24, 25, 26, 27-bolt; 15-sliding block, 18-linear slide rail. DETAILED DESCRIPTION

[0046] The embodiment of the present application provides a rail vehicle door frame assembly welding tool, which is a design concept of multi-vehicle type applicability, multi-directional adjustment and integration.

[0047] As shown in Figures 1-3 , the doorway of the rail vehicle is located on the side wall 200, each side wall 200 has no, one or more doorways, and each doorway is connected with the side wall 200 by one door frame upright 100 on each side, forming a door frame.

[0048] As shown in Figure 4 , the tool takes the upright support 1 as a supporting base, and two rows of upright supports 1 are symmetrically arranged. The upright connecting cross beam 12 is arranged between the opposite upright supports 1, and the upright support 1 is fixedly installed on the threaded base plate 5 through the plurality of bolts 24, 25, 26 and 27.

[0049] Two longitudinal beams 2 are respectively installed on one row of upright supports 1, and the upright support 1 is fixedly connected through the bolts and the longitudinal beams 2.

[0050] The two longitudinal beams 2 adopt a square steel pipe structure, and the length is 26 m. The upper surface of the longitudinal beam 2 is integrally machined, so as to ensure the flatness.

[0051] One linear slide rail 18 is arranged on each of the two longitudinal beams 2, and the linear slide rail 18 is fixed on the longitudinal beam 2 through a screw.

[0052] As shown in Figure 7 , a plurality of sliding blocks 15 are installed on the linear slide rail 18, and the plurality of sliding blocks 15 can move along the linear slide rail 18. The supporting cross beam 6 and the sliding block 15 are fixedly connected through the bolt, so that each supporting cross beam 6 moves and is locked in the longitudinal direction on the linear slide rail 18. Thus, the position of the supporting cross beam 6 is adjusted conveniently, and different positions of the door frame of the side wall of various vehicle types are adapted.

[0053] As shown in Figure 7 , the sliding block mounting plate 13 is installed on the longitudinal beam 2, and the pin hole is arranged on the sliding block mounting plate 13.

[0054] As Figure 5 and Figure 7 shown, the tooling is adjusted according to the side wall vehicle model to be produced, and the position of the support beam 6 is adjusted longitudinally along the linear slide rail 18; after adjustment, the pin 3 is inserted into the pin hole of the slide block mounting plate 13 through the support beam 6, so that the support beam 6 is fixed to the corresponding vehicle model position.

[0055] As Figure 4 , the template assembly 10 is mounted on the support beam 6, and the inner side of the template assembly 10 is in contact with the lower surface of the side wall 200.

[0056] The first pressing assembly is mounted on both sides of the template assembly 10, and the first pressing assembly presses the upper surface of the side wall 200. As Figure 4 In the embodiment of the present application, the pressing assembly includes: a first pressing sub-assembly 11 fixedly installed on one side of the template assembly 10, which presses one side of the upper surface of the side wall 200 of the rail vehicle; and a second pressing sub-assembly 16 fixedly installed on the other side of the template assembly 10, which presses the other side of the upper surface of the side wall 200 of the rail vehicle.

[0057] As Figure 2 and 4 , the side wall 200 is hoisted to the adjusted door frame assembly welding tooling by referring to the door frame center mark 4, the upper surface of the side wall 200 is pressed and fixed by the first pressing sub-assembly 11 and the second pressing sub-assembly 16, the lower surface of the side wall 200 is in contact with the template assembly 10, and the fixation of the side wall 200 is realized.

[0058] The slide block mounting plate 13, the slide block 15, and the door stanchion reverse deformation assembly 19 are integrated with the support beam 6 to form an integral whole for fixing the side wall 200.

[0059] As Figure 5 , after the side wall 200 is fixed, the door frame stanchion 100 is placed on the door stanchion reverse deformation assembly 19, and the door stanchion reverse deformation assembly 19 and the support beam 6 are connected and fixed.

[0060] The T-shaped groove block 21 is integrated in the door stanchion reverse deformation assembly 19, the reverse deformation plate 22 is inserted into the T-shaped groove block 21, the reverse deformation plate 22 is arranged on the side of the door frame stanchion 100 facing the door, the distance between the reverse deformation plate 22 and the door frame stanchion 100 is adjusted, and different types of reverse deformation gaskets 23 are inserted therebetween according to actual working conditions.

[0061] The second pressing assembly 9 and the auxiliary pressing support 7 jointly clamp and fix the door frame stanchion 100 and the door stanchion reverse deformation assembly 19 in the up-down direction.

[0062] The third pressing assembly 14 clamps and fixes the door frame stanchion 100 and the reverse deformation plate 22 in the left-right direction.

[0063] After the side wall 200 is fixed on the tool, the door frame uprights 100 are assembled and welded.

[0064] As shown in Figure 5 and Figure 6 , the door upright reverse deformation assembly 19 is fixedly connected with the support beam 6, the door frame uprights 100 are placed on the upper surface of the door upright reverse deformation assembly 19, the horizontal distance between the two door frame uprights 100 is adjusted by using the horizontal support adjusting rod 20, and the door frame uprights 100 on the two sides slightly contact the side wall 200 at the door opening position. Then, the lead screws 8 on the auxiliary pressing support 7 below the door frame uprights 100 and the lead screws 8 on the second pressing assembly 9 above the door frame uprights 100 are adjusted, the door frame uprights 100 are clamped in the up-down direction by the two lead screws 8, and the inner side weld and the outer side weld of the door frame uprights 100 and the side wall 200 simultaneously meet the assembly welding requirements in the up-down direction.

[0065] Specifically, the auxiliary pressing support 7 is fixed with the door upright reverse deformation assembly 19, and the adjustable lead screw 8 is arranged on the auxiliary pressing support 7. By adjusting the lead screw 8, the lead screw 8 is tightly abutted against the outer side surface (i.e., the lower side surface in the figure) of the door frame upright 100.

[0066] As shown in Figure 6 , the two door frame uprights 100 arranged oppositely are adjusted by using the horizontal support adjusting rod 20, so that the weld state of the door frame uprights 100 and the side wall 200 in the left-right direction and the door frame size meet the assembly welding requirements.

[0067] The horizontal size of the door frame uprights 100 on the two sides of the door opening of the side wall 200 is adjusted by the horizontal support adjusting rod 20, the horizontal size of each door frame upright 100 is finely adjusted by the door upright reverse deformation assembly 19, and the door frame uprights 100 are fixed in the left-right direction by the third pressing assembly 14, so as to realize the adjustment of the door frame uprights 100 in multiple directions during the assembly welding process.

[0068] The T-shaped groove block 21 is integrated in the door upright reverse deformation assembly 19, the door upright reverse deformation assembly 19 is arranged on the support beam 6 on the two sides of the door frame, the T-shaped convex side of the reverse deformation plate 22 on the two sides of the door frame is respectively placed into the T-shaped groove of the T-shaped groove block 21 arranged in the left-right direction, the distance between the reverse deformation plate 22 and the door frame upright 100 is adjusted along the T-shaped groove of the T-shaped groove block 21, and different types of reverse deformation gaskets 23 are inserted between the two according to the actual working condition. After adjustment, the inner side of the door frame upright 100 and the door upright reverse deformation assembly 19 are clamped and fixed in the up-down direction by using the second pressing assembly 9, and the reverse deformation plate 22 and the door frame upright 100 are clamped and fixed in the left-right direction by using the third pressing assembly 14, so as to complete the reverse deformation pre-setting of the door frame upright 100 welding.

[0069] As Figure 4 and Figure 6 shown, the template assembly 10 is integrated with the support beam 6, and the door opening pressing assembly 17 connects the template assemblies 10 on both sides of the door frame into a whole, so that the overall adjustment and transformation of the door frame can be realized, and the flexibility of the tooling is improved. All the adjustments in different directions required for the assembly welding of the door frame uprights can be completed at one time, without repeated adjustment operations, greatly improving the production efficiency.

[0070] Since the door opening pressing assembly 17 connects the support beams 6 on both sides of the door opening of the side wall 200 for the assembly welding of the door frame uprights 100, a whole structure for the assembly welding of the door frame is formed. The slider mounting plate 13, the slider 15, and the template assembly 10 on each side of the door opening of the side wall 200 are integrated with the side support beam 6 into a whole, so that the adjustment of the door frame uprights 100 and the side wall 200 on both sides of the door opening can be realized at one time.

Claims

1. A rail vehicle door frame assembly welding tool, characterized in that ,comprising: a longitudinal beam (2); a linear guide rail (18) fixed on the longitudinal beam (2); a support cross beam (6) slidably mounted on the linear guide rail (18); a template assembly (10) fixed on the support cross beam (6) for placing a side wall (200) of a rail vehicle; a first pressing assembly fixedly connected with the template assembly (10) for pressing the side wall (200) of the rail vehicle on the template assembly (10) in the up-down direction; a door post reverse deformation assembly (19) fixed on the support cross beam (6) for reverse deformation arrangement of a door frame post (100) of the rail vehicle; a transverse support adjusting rod (20) arranged between two opposite door frame posts (100) in the left-right direction to push each door frame post (100) to fit the corresponding side wall door opening; a T-shaped groove block (21) integrated in the door post reverse deformation assembly (19), a T-shaped groove being arranged in the T-shaped groove block (21) in the left-right direction; a reverse deformation plate (22) one end of which is fitted in the T-shaped groove and can slide left and right along the T-shaped groove, the reverse deformation plate (22) fitting the surface of the door frame post (100) on one side of the door opening; a second pressing assembly (9) for clamping the door frame post (100) of the rail vehicle and the door post reverse deformation assembly (19) in the up-down direction; a third pressing assembly (14) for clamping the door frame post (100) of the rail vehicle and the reverse deformation plate (22) in the left-right direction.

2. The rail vehicle door frame assembly welding tooling of claim 1, wherein ,The rail vehicle door frame assembly welding tool further comprises: two rows of column supports (1) arranged side by side; two longitudinal beams (2) respectively mounted on one row of column supports (1); a column connecting cross beam (12) connected between two oppositely arranged column supports (1).

3. The rail vehicle door frame assembly welding tooling of claim 1, wherein ,The first pressing assembly comprises: a first pressing sub-assembly (11) fixedly mounted on one side of the template assembly (10) for pressing the upper surface of the side wall (200) of the rail vehicle; a second pressing sub-assembly (16) fixedly mounted on the other side of the template assembly (10) for pressing the other side of the upper surface of the side wall (200) of the rail vehicle.

4. The rail vehicle door frame assembly welding tooling of claim 1, wherein ,The second pressing assembly (9) comprises: an auxiliary pressing support (7) one end of which is on the support cross beam (6) and the other end of which presses the lower side surface of the door frame post (100) through a lead screw; a clamp one end of which is tightly attached to the lower side surface of the auxiliary pressing support (7) and the other end of which presses the upper side surface of the door frame post (100) through a lead screw.

5. The rail vehicle door frame assembly welding tooling of claim 1, wherein ,The third pressing assembly (14) comprises: a C-shaped clamp for clamping the door frame post (100) and the reverse deformation plate (22) in the left-right direction.

6. The rail vehicle door frame assembly welding tooling of claim 1, wherein ,The longitudinal beam (2) is fixed with a sliding block mounting plate (13); According to the type of the rail vehicle to be assembled and welded, the position of the support beam (6) is adjusted along the linear guide rail (18); after being adjusted to the position, the pin (3) is inserted into the pin hole of the slider mounting plate (13) through the support beam (6), so that the support beam (6) is fixed at the position corresponding to the type of the rail vehicle to be assembled and welded.

7. The rail vehicle door frame assembly welding tooling of claim 1, wherein The support beam (6) is fixedly connected with the slider (15), and the slider (15) is slidably assembled on the linear guide rail (18).

8. The rail vehicle door frame assembly welding tooling of claim 1, wherein The rail vehicle door frame assembly and welding tool further comprises: A door opening pressing assembly (17) connects the formwork assemblies (10) on both sides of the door frame into a whole.

9. The rail vehicle door frame assembly welding tooling of claim 1, wherein A reverse deformation gasket (23) is arranged between the reverse deformation plate (22) and the door frame upright column (100).

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