CN111761188A - Novel unit assembling and welding tool for railway vehicle - Google Patents
Novel unit assembling and welding tool for railway vehicle Download PDFInfo
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- CN111761188A CN111761188A CN202010782196.XA CN202010782196A CN111761188A CN 111761188 A CN111761188 A CN 111761188A CN 202010782196 A CN202010782196 A CN 202010782196A CN 111761188 A CN111761188 A CN 111761188A
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- 238000003466 welding Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims description 80
- 238000005452 bending Methods 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
- B23K11/314—Spot welding guns, e.g. mounted on robots
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a novel unit assembling and welding tool for a railway vehicle, which comprises a tool support, a curved beam support assembly and a longitudinal beam support assembly, wherein the curved beam support assembly and the longitudinal beam support assembly are arranged on the tool support; the camber beam supporting assembly comprises a first camber beam supporting assembly, a second camber beam supporting assembly, a third camber beam supporting assembly and a fourth camber beam supporting assembly; the first camber beam supporting assembly, the second camber beam supporting assembly, the longitudinal beam supporting assembly, the third camber beam supporting assembly and the fourth camber beam supporting assembly are sequentially arranged along the width direction supported by the tool. The novel unit assembling and welding tool for the railway vehicle meets the requirement of free walking of welding tongs, ensures that all welding spots on a unit framework can be finished on the tool, reduces point repairing processes, greatly increases the production efficiency, improves the usability of welding machine equipment, and releases the occupied time of other tools.
Description
Technical Field
The invention belongs to the field of railway vehicles, and particularly relates to a novel unit assembling and welding tool for a railway vehicle.
Background
The unit framework is an important component part of a steel structure of the roof of a railway passenger car body, is an important supporting point for bearing an air conditioning equipment system, and needs high precision and high strength dimensional requirements. The unit framework is a plate beam structure consisting of a roof camber beam, a unit longitudinal beam and a connecting plate; the whole welding deformation of skeleton is big, need formulate suitable frock and retrain welding stress to reduce subsequent regulation and repair volume, guarantee that each size precision is up to standard.
The disadvantages in the prior art are: because the unit skeleton is the arc structure, current frock scheme is for anti-dress hinders welding. The profiling contact surface is arranged according to the arc shape of the unit framework structure, the two ends of each curved beam are provided with a pressing device, and the position of each longitudinal beam is provided with a positioning block and a pressing clamp. The existing tool is provided with too many integral supporting plates, so that the moving position of a welding tongs in the spot welding process is greatly influenced, a unit framework needs point repairing after welding, the production efficiency is seriously influenced, the usability of equipment is reduced, and the occupied time of other tools is increased; the tool area is too large, operators cannot simply assemble materials and effectively monitor the welding process, the operators have to work at an elevated height, and potential safety hazards exist; the curved beam is only provided with the pressing devices at two ends, so that the close contact between the middle of the curved beam and a tool in the whole production process cannot be met, and the structural precision is greatly influenced; when the machine set framework is taken out of the tire after re-welding, the continuity of the hoisting process is greatly influenced due to excessive pressing and clamping, and the danger of hooking parts is easy to occur.
Disclosure of Invention
In view of the above, the invention aims to provide a novel unit assembly welding tool for a railway vehicle, which optimizes an integral supporting plate according to the position of a welding spot, meets the requirement of free walking during spot welding of a welding tongs, and ensures that all welding spots can be welded on the tool; the integral supporting structure is adjusted, the structural form of the profiling supporting surface is optimized, and the smooth assembly of materials and welding monitoring of an operator are ensured, so that the operator does not perform ascending operation; a process pressing beam is added on the whole tool, so that the whole curved beam can be closely attached to the tool; and (4) removing the pressing and clamping device of the longitudinal beam, and optimizing the hoisting process of the unit framework.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a novel unit assembling and welding tool for a railway vehicle is used for fixedly welding a unit framework, the unit framework comprises a longitudinal beam and a curved beam, and the unit framework comprises a tool support, a curved beam support assembly and a longitudinal beam support assembly, wherein the curved beam support assembly and the longitudinal beam support assembly are arranged on the tool support;
the camber beam supporting assembly comprises a first camber beam supporting assembly, a second camber beam supporting assembly, a third camber beam supporting assembly and a fourth camber beam supporting assembly;
the first curved beam supporting assembly, the second curved beam supporting assembly, the longitudinal beam supporting assembly, the third curved beam supporting assembly and the fourth curved beam supporting assembly are sequentially arranged along the width direction of the tool support;
the first camber beam supporting assembly and the fourth camber beam supporting assembly are provided with a plurality of camber beam pressing and positioning assemblies, and the camber beam pressing and positioning assemblies are arranged along the length direction of the first camber beam supporting assembly and the fourth camber beam supporting assembly and are used for pressing and positioning the unit framework on the first camber beam supporting assembly and the fourth camber beam supporting assembly;
and a process pressing beam and a pressing device are arranged above the second camber beam supporting assembly and the third camber beam supporting assembly and used for pressing the unit framework on the second camber beam supporting assembly and the third camber beam supporting assembly.
Furthermore, a plurality of first camber beam supporting pieces, second camber beam supporting pieces, third camber beam supporting pieces and fourth camber beam supporting pieces are respectively and correspondingly arranged on the first camber beam supporting assembly, the second camber beam supporting assembly, the third camber beam supporting assembly and the fourth camber beam supporting assembly along the length direction supported by the tool;
the first camber beam supporting assembly and the fourth camber beam supporting assembly are symmetrically arranged relative to the longitudinal beam supporting assembly;
the second camber beam support assembly and the third camber beam support assembly are symmetrically arranged relative to the longitudinal beam support assembly.
Furthermore, the longitudinal beam supporting assembly comprises a first longitudinal beam supporting assembly, a second longitudinal beam supporting assembly and a third longitudinal beam supporting assembly which are arranged along the width direction of the tool support;
the first longitudinal beam supporting assembly, the second longitudinal beam supporting assembly and the third longitudinal beam supporting assembly are respectively and correspondingly provided with a plurality of first longitudinal beam supporting pieces, second longitudinal beam supporting pieces and third longitudinal beam supporting pieces along the length direction of the tool support;
the longitudinal beam supporting assembly comprises a longitudinal beam supporting rod and a longitudinal beam positioning block, the bottom of the longitudinal beam supporting rod is connected with a tool support, the top of the longitudinal beam supporting rod is provided with the longitudinal beam positioning block, and the upper surface of the longitudinal beam positioning block is downwards sunken to form a mounting groove for accommodating a longitudinal beam;
the longitudinal beam supporting rod is detachably connected with the longitudinal beam positioning block.
Further, the first camber beam supporting assembly and the fourth camber beam supporting assembly comprise a first camber beam supporting rod and a first camber beam positioning block, the bottom of the first camber beam supporting rod is connected with the tool support, the top of the first camber beam supporting rod is provided with the first camber beam positioning block, and the first camber beam supporting rod is detachably connected with the first camber beam positioning block;
the camber beam pressing and positioning assembly comprises an inclined plane supporting beam, and the upper surface of the camber beam positioning block is downwards sunken to form a mounting groove for accommodating the inclined plane supporting beam;
the upper surface of the inclined plane supporting beam is attached to the surface of the curved beam.
Furthermore, the curved beam pressing and positioning assembly comprises a curved beam pressing mechanism, a pressing positioning block and a spring pressing mechanism;
the bent beam pressing mechanism comprises an elbow clamp, the elbow clamp comprises a clamping part, a jacking positioning block is arranged below the clamping part of the elbow clamp, and the spring jacking mechanism is used for jacking the bent beam to be below the clamping part of the elbow clamp;
the camber beam is arranged between the spring jacking mechanism and the jacking positioning block.
Further, the second camber beam supporting assembly and the third camber beam supporting assembly comprise a second camber beam supporting rod and a second camber beam positioning block, the bottom of the second camber beam supporting rod is connected with the tool support, and the top of the second camber beam supporting rod is provided with the second camber beam positioning block;
the upper surface of the second camber beam positioning block is downwards sunken to form a mounting groove for accommodating a tooling beam;
the process pressing beam and the second bending beam supporting rod are oppositely arranged, a second clamping part for clamping the bending beam is formed between the process pressing beam and the second bending beam supporting rod, and the second bending beam supporting rod is detachably connected with the second bending beam positioning block;
the pressing device is used for pressing the process pressing beam towards the direction of the tool beam.
The first central line device and the second central line device are respectively used for centering the length direction placing position and the width direction placing position of the unit framework;
the first center line device is arranged at two ends of the second longitudinal beam supporting assembly;
the second center line device is respectively arranged at the center positions of the first camber beam supporting assembly and the fourth camber beam supporting assembly along the length direction of the unit framework.
Furthermore, the pressing device comprises a rotating seat, a connecting rod and a pressing rod, wherein the rotating seat is respectively arranged at two ends of the first longitudinal beam supporting assembly and the third longitudinal beam supporting assembly;
one end of the connecting rod is rotatably connected with the rotating seat, and the other end of the connecting rod is connected with the pressing rod;
the pressing rod is arranged above the process pressing beam.
Furthermore, the second camber beam supporting component and the third camber beam supporting component are also provided with side jacking blocks for jacking the longitudinal beam from the side.
Compared with the prior art, the novel unit assembling and welding tool for the railway vehicle has the following advantages:
(1) the novel unit assembling and welding tool for the railway vehicle meets the requirement of free walking of welding tongs, ensures that all welding spots on a unit framework can be finished on the tool, reduces point repairing processes, greatly increases the production efficiency, improves the usability of welding machine equipment, and releases the occupied time of other tools.
(2) According to the novel unit assembling and welding tool for the railway vehicle, disclosed by the invention, an operator can freely enter and exit the tool to assemble materials, the spot welding condition can be effectively monitored in the welding process, the welding quality is improved, the ascending operation of personnel is avoided, and the overall safety is improved.
(3) The novel unit assembling and welding tool for the railway vehicle improves the manufacturing precision of the whole unit framework aiming at the improvement of the positioning and the compaction of the bent beam and meets the use requirement of the next procedure.
(4) The novel unit assembling and welding tool for the railway vehicle optimizes the tire-removing and hoisting process of the unit framework and avoids unnecessary quality problems.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic overall view of a novel assembly welding tool for a rail vehicle according to an embodiment of the present invention;
fig. 2 is a first partial schematic view of a novel assembly welding tool for a rail vehicle according to an embodiment of the present invention;
fig. 3 is a second partial schematic view of a novel assembly welding tool for a rail vehicle according to an embodiment of the present invention.
Description of reference numerals:
1-supporting a tool; 2-a first camber beam support assembly; 201-first camber beam support bar; 202-a first camber beam positioning block; 21-a second camber beam support assembly; 210-a second camber beam support bar; 211-a second camber beam positioning block; 212-a tooling beam; 213-side jacking block; 22-a third camber beam support assembly; 23-a fourth camber beam support assembly; 24-a second centerline device; 3-a first stringer support assembly; 31-a second stringer support assembly; 32-a third stringer support assembly; 33-a first centerline device; 34-longitudinal beam support rods; 35-longitudinal beam positioning blocks; 4-the curved beam compresses the positioning assembly; 41-inclined plane supporting beam; 42-a camber beam hold down mechanism; 43-tightly pushing the positioning block; 44-spring tightening mechanism; 5, pressing the beam by a process; 6-a pressing device; 61-a rotating seat; 62-a connecting rod; 63-a hold down bar; 7-bending beam.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, a neotype unit assembly welding frock for rail vehicle for to the fixed welding of unit skeleton, the unit skeleton includes longeron and camber beam 7, its characterized in that: the device comprises a tool support 1, a curved beam support assembly and a longitudinal beam support assembly, wherein the curved beam support assembly and the longitudinal beam support assembly are arranged on the tool support 1;
the camber beam supporting assembly comprises a first camber beam supporting assembly 2, a second camber beam supporting assembly 21, a third camber beam supporting assembly 22 and a fourth camber beam supporting assembly 23;
the first curved beam supporting assembly 2, the second curved beam supporting assembly 21, the longitudinal beam supporting assembly, the third curved beam supporting assembly 22 and the fourth curved beam supporting assembly 23 are sequentially arranged along the width direction of the tool support 1;
the first camber beam supporting assembly 2 and the fourth camber beam supporting assembly 23 are provided with a plurality of camber beam pressing and positioning assemblies 4, and the camber beam pressing and positioning assemblies 4 are arranged along the length direction of the first camber beam supporting assembly 2 and the length direction of the fourth camber beam supporting assembly 23 and are used for pressing and positioning the unit framework on the first camber beam supporting assembly 2 and the fourth camber beam supporting assembly 23;
a process pressing beam 5 and a pressing device 6 are arranged above the second camber beam supporting assembly 21 and the third camber beam supporting assembly 22 and used for pressing the unit framework on the second camber beam supporting assembly 21 and the third camber beam supporting assembly 22.
The first camber beam supporting assembly 2, the second camber beam supporting assembly 21, the third camber beam supporting assembly 22 and the fourth camber beam supporting assembly 23 are respectively and correspondingly provided with a plurality of first camber beam supporting pieces, second camber beam supporting pieces, third camber beam supporting pieces and fourth camber beam supporting pieces along the length direction of the tool support 1;
the first camber beam support assembly 2 and the fourth camber beam support assembly 23 are symmetrically arranged relative to the longitudinal beam support assembly;
the second and third camber beam support assemblies 21, 22 are symmetrically disposed with respect to the stringer support assembly.
The longitudinal beam supporting assembly comprises a first longitudinal beam supporting assembly 3, a second longitudinal beam supporting assembly 31 and a third longitudinal beam supporting assembly 32 which are arranged along the width direction of the tool support 1;
the first longitudinal beam supporting assembly 3, the second longitudinal beam supporting assembly 31 and the third longitudinal beam supporting assembly 32 are respectively and correspondingly provided with a plurality of first longitudinal beam supporting pieces, second longitudinal beam supporting pieces and third longitudinal beam supporting pieces along the length direction of the tool support 1;
the longitudinal beam supporting assembly comprises a longitudinal beam supporting rod 34 and a longitudinal beam positioning block 35, the bottom of the longitudinal beam supporting rod 34 is connected with the tool support 1, the top of the longitudinal beam supporting rod is provided with the longitudinal beam positioning block 35, and the upper surface of the longitudinal beam positioning block 35 is downwards sunken to form a mounting groove for accommodating a longitudinal beam;
the longitudinal beam support rod 34 and the longitudinal beam positioning block 35 are detachably connected.
The first camber beam supporting assembly 2 and the fourth camber beam supporting assembly 23 comprise a first camber beam supporting rod 201 and a first camber beam positioning block 202, the bottom of the first camber beam supporting rod 201 is connected with the tool support 1, the top of the first camber beam supporting rod 201 is provided with the first camber beam positioning block 202, and the first camber beam supporting rod 201 is detachably connected with the first camber beam positioning block 202;
the camber beam pressing and positioning assembly 4 comprises an inclined plane support beam 41, and the upper surface of the camber beam positioning block is downwards sunken to form a mounting groove for accommodating the inclined plane support beam 41;
the upper surface of the inclined support beam 41 is attached to the surface of the curved beam 7.
The camber beam pressing and positioning assembly 4 comprises a camber beam pressing mechanism 42, a pressing positioning block 43 and a spring pressing mechanism 44;
the camber beam pressing mechanism 42 comprises an elbow clamp, the elbow clamp comprises a clamping part, a jacking positioning block 43 is arranged below the clamping part of the elbow clamp, and the spring jacking mechanism 44 is used for jacking the camber beam to be below the clamping part of the elbow clamp;
the bent beam 7 is arranged between the spring jacking mechanism 44 and the jacking positioning block 43.
The second camber beam supporting assembly 21 and the third camber beam supporting assembly 22 comprise a second camber beam supporting rod 210 and a second camber beam positioning block 211, the bottom of the second camber beam supporting rod 210 is connected with the tool support 1, and the top of the second camber beam supporting rod is provided with the second camber beam positioning block 211;
the upper surface of the second camber beam positioning block 211 is downwards recessed to form a mounting groove for accommodating the tooling cross beam 212;
the process pressing beam 5 and the second bending beam supporting rod 210 are oppositely arranged, a second clamping part for clamping the bending beam is formed between the process pressing beam 5 and the second bending beam supporting rod 210, and the second bending beam supporting rod 210 is detachably connected with the second bending beam positioning block 211;
the pressing device 6 is used for pressing the process pressing beam 5 towards the tool cross beam 212.
The centering device further comprises a first central line device 33 and a second central line device 24 which are respectively used for centering the length direction placing position and the width direction placing position of the unit framework;
the first center line device 33 is arranged at two ends of the second longitudinal beam support assembly 31;
the second center line device 24 is respectively arranged at the center positions of the first camber beam supporting assembly 2 and the fourth camber beam supporting assembly 23 along the length direction of the unit framework.
The pressing device 6 comprises a rotating seat 61, a connecting rod 62 and a pressing rod 63, wherein the rotating seat 61 is respectively arranged at two ends of the first longitudinal beam supporting assembly 3 and the third longitudinal beam supporting assembly 32;
one end of the connecting rod 62 is rotatably connected with the rotating seat 61, and the other end of the connecting rod is connected with the pressing rod 63;
the pressing bar 63 is disposed above the process pressing beam 5.
The second camber beam support assembly 21 and the third camber beam support assembly 22 are further provided with a side tightening block 213 for tightening the longitudinal beam from the side.
In this application, optimized the improvement to the structure of current a unit assembly welding frock for rail vehicle, the specific modification is as follows:
1. get rid of current whole horizontal backup pad (remove the locating piece and the pressure card of longeron), according to the solder joint and the longeron position of unit skeleton, set up independent support column and positioner (support the position of setting at no solder joint) for the longeron of three rows in the middle, leave the space for the soldering turret walking, still guarantee that the soldering turret can spot weld all solder joints, the following shortcoming of prior art has been overcome in the above-mentioned improvement: too many positioning blocks and pressing blocks influence spot welding; the staff can not conveniently use the positioning block and the pressing clamp, and can only use the positioning block and the pressing clamp by climbing, so that the safety risk is caused;
2. to the longeron of both sides, according to the decurrent effect of gravity, set up side top compact piece 213 (side top compact piece 213 width and mounted position set up according to the solder joint interval) in the longeron near one side at the center, for saving space assurance and soldering turret walking, not increasing the support column, side top compact piece 213 lug connection has overcome prior art's following shortcoming on other parts of frock, the aforesaid improvement: the spot welding is affected by the too wide size of the side jacking block 213, and the spot welding is also affected by the installation position of the positioning block;
3. remove original profile modeling backup pad, increase original 3 groups of support columns to 4 groups (guaranteeing every camber beam 7 stress balance) according to camber of camber beam 7, increase inclined plane support (the effect of replacing the profile modeling backup pad) on the support column, reach the curved effect of cooperation camber beam 7, also guarantee the whole camber beam 7's of unit skeleton arc uniformity, the following shortcoming of prior art has been overcome in the above-mentioned improvement: the copying support plate seriously influences the traveling of the welding tongs;
4. according to operating personnel's material assembly order and welding monitoring process (staff need business turn over frock many times in work), the distance of the 7 bracing pieces of four groups camber beams of adjustment, reserve sufficient space and satisfy the operating personnel demand, the following shortcoming of prior art has been overcome in the above-mentioned improvement: personnel cannot enter and exit the tool;
5. keep the closing device 6 at camber beam 7 both ends, increase technology in camber beam 7 minor arc region and compress tightly roof beam 5 (can compress tightly all camber beams 7 and guarantee camber beam 7 uniformity) to set up the tight device in top of technology compression roof beam 5 around whole frock (the tight device in top sets up outside the work piece, does not influence the soldering turret walking), the following shortcoming of prior art has been overcome in the above-mentioned improvement: the middle bent beam pressing device 6 cannot be used conveniently and must ascend; the number of the pressing devices 6 on the two sides is too many, the number of new tools is reduced, and the working efficiency is improved;
6. two sets of camber beam bracing pieces in the middle of the adjustment guarantee technology compress tightly roof beam 5 directly over the support column, make technology compress tightly roof beam 5 can effectual application effort, the following shortcoming of prior art has been overcome in the above-mentioned improvement: the original tooling process pressing beam 5 is arranged on two sides of a workpiece and cannot apply perfect acting force; only the limiting function is started, and the compressing function is not started;
7. compress tightly and the location to the camber beam, increase the tight mechanism 44 in spring top on camber beam locating piece basis, can guarantee that camber beam 7 assembles firmly (open the location and compress tightly dual function, can also adjust by oneself according to the shortcoming that camber beam 7 fashioned width differs), the following shortcoming of prior art has been overcome in the above-mentioned improvement: the defect of nonuniform forming of the bent beam 7 cannot be met only by using a simple positioning function;
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a neotype unit assembly welding frock for rail vehicle for to the fixed welding of unit skeleton, the unit skeleton includes longeron and camber beam (7), its characterized in that: the device comprises a tool support (1), a curved beam support assembly and a longitudinal beam support assembly, wherein the curved beam support assembly and the longitudinal beam support assembly are arranged on the tool support (1);
the camber beam supporting assembly comprises a first camber beam supporting assembly (2), a second camber beam supporting assembly (21), a third camber beam supporting assembly (22) and a fourth camber beam supporting assembly (23);
the first curved beam supporting assembly (2), the second curved beam supporting assembly (21), the longitudinal beam supporting assembly, the third curved beam supporting assembly (22) and the fourth curved beam supporting assembly (23) are sequentially arranged along the width direction of the tool support (1);
the first camber beam supporting assembly (2) and the fourth camber beam supporting assembly (23) are provided with a plurality of camber beam pressing and positioning assemblies (4), and the camber beam pressing and positioning assemblies (4) are arranged along the length direction of the first camber beam supporting assembly (2) and the fourth camber beam supporting assembly (23) and are used for pressing and positioning the unit framework on the first camber beam supporting assembly (2) and the fourth camber beam supporting assembly (23);
a process pressing beam (5) and a pressing device (6) are arranged above the second bending beam supporting assembly (21) and the third bending beam supporting assembly (22) and used for pressing the unit framework on the second bending beam supporting assembly (21) and the third bending beam supporting assembly (22).
2. The novel unit assembling and welding tool for the railway vehicle according to claim 1, characterized in that: the first curved beam supporting assembly (2), the second curved beam supporting assembly (21), the third curved beam supporting assembly (22) and the fourth curved beam supporting assembly (23) are respectively and correspondingly provided with a plurality of first curved beam supporting pieces, second curved beam supporting pieces, third curved beam supporting pieces and fourth curved beam supporting pieces along the length direction of the tool support (1);
the first camber beam supporting assembly (2) and the fourth camber beam supporting assembly (23) are symmetrically arranged relative to the longitudinal beam supporting assembly;
the second camber beam support assembly (21) and the third camber beam support assembly (22) are symmetrically arranged relative to the longitudinal beam support assembly.
3. The novel unit assembling and welding tool for the railway vehicle according to claim 2, characterized in that: the longitudinal beam supporting assembly comprises a first longitudinal beam supporting assembly (3), a second longitudinal beam supporting assembly (31) and a third longitudinal beam supporting assembly (32) which are arranged along the width direction of the tool support (1);
the first longitudinal beam supporting assembly (3), the second longitudinal beam supporting assembly (31) and the third longitudinal beam supporting assembly (32) are respectively and correspondingly provided with a plurality of first longitudinal beam supporting pieces, second longitudinal beam supporting pieces and third longitudinal beam supporting pieces along the length direction of the tool support (1);
the longitudinal beam supporting assembly comprises a longitudinal beam supporting rod (34) and a longitudinal beam positioning block (35), the bottom of the longitudinal beam supporting rod (34) is connected with the tool support (1), the top of the longitudinal beam supporting rod is provided with the longitudinal beam positioning block (35), and the upper surface of the longitudinal beam positioning block (35) is downwards sunken to form a mounting groove for accommodating a longitudinal beam;
the longitudinal beam support rod (34) is detachably connected with the longitudinal beam positioning block (35).
4. The novel unit assembling and welding tool for the railway vehicle according to claim 3, characterized in that: the first camber beam supporting assembly (2) and the fourth camber beam supporting assembly (23) comprise a first camber beam supporting rod (201) and a first camber beam positioning block (202), the bottom of the first camber beam supporting rod (201) is connected with the tool support (1), the top of the first camber beam supporting rod is provided with the first camber beam positioning block (202), and the first camber beam supporting rod (201) is detachably connected with the first camber beam positioning block (202);
the camber beam pressing and positioning assembly (4) comprises an inclined plane supporting beam (41), and the upper surface of the camber beam positioning block is downwards sunken to form a mounting groove for accommodating the inclined plane supporting beam (41);
the upper surface of the inclined plane supporting beam (41) is attached to the surface of the curved beam (7).
5. The novel unit assembling and welding tool for the railway vehicle as claimed in claim 4, wherein the tool comprises: the camber beam pressing and positioning assembly (4) comprises a camber beam pressing mechanism (42), a pressing positioning block (43) and a spring pressing mechanism (44);
the bent beam pressing mechanism (42) comprises an elbow clamp, the elbow clamp comprises a clamping part, a jacking positioning block (43) is arranged below the clamping part of the elbow clamp, and the spring jacking mechanism (44) is used for jacking the bent beam to be below the clamping part of the elbow clamp;
the curved beam (7) is arranged between the spring jacking mechanism (44) and the jacking positioning block (43).
6. The novel unit assembling and welding tool for the railway vehicle according to claim 3, characterized in that: the second camber beam supporting assembly (21) and the third camber beam supporting assembly (22) comprise a second camber beam supporting rod (210) and a second camber beam positioning block (211), the bottom of the second camber beam supporting rod (210) is connected with the tool support (1), and the top of the second camber beam supporting rod is provided with the second camber beam positioning block (211);
the upper surface of the second camber beam positioning block (211) is downwards sunken to form a mounting groove for accommodating a tooling cross beam (212);
the process pressing beam (5) and the second bending beam supporting rod (210) are oppositely arranged, a second clamping part for clamping the bending beam is formed between the process pressing beam (5) and the second bending beam supporting rod (210), and the second bending beam supporting rod (210) is detachably connected with the second bending beam positioning block (211);
the pressing device (6) is used for pressing the process pressing beam (5) towards the direction of the tool cross beam (212).
7. The novel unit assembling and welding tool for the railway vehicle as claimed in claim 4, wherein the tool comprises: the centering device also comprises a first central line device (33) and a second central line device (24) which are respectively used for centering the length direction placing position and the width direction placing position of the unit framework;
the first center line device (33) is arranged at two ends of the second longitudinal beam supporting component (31);
the second center line device (24) is respectively arranged at the center positions of the first camber beam supporting assembly (2) and the fourth camber beam supporting assembly (23) along the length direction of the unit framework.
8. The novel unit assembling and welding tool for the railway vehicle according to claim 6, characterized in that: the pressing device (6) comprises a rotating seat (61), a connecting rod (62) and a pressing rod (63), wherein the rotating seat (61) is respectively arranged at two ends of the first longitudinal beam supporting assembly (3) and the third longitudinal beam supporting assembly (32);
one end of the connecting rod (62) is rotatably connected with the rotating seat (61), and the other end of the connecting rod is connected with the pressing rod (63);
the pressing rod (63) is arranged above the technological pressing beam (5).
9. The novel unit assembling and welding tool for the railway vehicle according to claim 2, characterized in that: and the second camber beam supporting assembly (21) and the third camber beam supporting assembly (22) are also provided with side jacking blocks (213) for jacking the longitudinal beam from the side.
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| CN202010782196.XA CN111761188B (en) | 2020-08-04 | 2020-08-04 | Novel unit assembly welding tool for railway vehicle |
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| CN202010782196.XA CN111761188B (en) | 2020-08-04 | 2020-08-04 | Novel unit assembly welding tool for railway vehicle |
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| CN111761188B (en) | 2024-10-01 |
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