CN114083205B - Special vehicle top cover welding tool and welding method - Google Patents
Special vehicle top cover welding tool and welding method Download PDFInfo
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- CN114083205B CN114083205B CN202111246204.XA CN202111246204A CN114083205B CN 114083205 B CN114083205 B CN 114083205B CN 202111246204 A CN202111246204 A CN 202111246204A CN 114083205 B CN114083205 B CN 114083205B
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- steel plate
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- bulletproof steel
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- seat
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention relates to the technical field of vehicle welding fixture structures, in particular to a special vehicle top cover welding fixture and a welding method. Comprises a mounting seat, a plurality of mounting seats are arranged on a base; the steel plate clamping structure surrounds the bulletproof steel plate and is used for clamping and fixing the bulletproof steel plate on the mounting seat; the reinforcing beam clamping structure is used for fixing the reinforcing beam on the bulletproof steel plate; the additional clamping structures are positioned at the inner side and the outer side of the accessory mounting hole of the bulletproof steel plate and used for fixing the accessory to be mounted at the edge of the accessory mounting hole of the bulletproof steel plate; and the reinforcement beam positioning structure is positioned on two adjacent reinforcement beams to be connected and used for limiting the relative movement of the two adjacent reinforcement beams. The welding tool disclosed by the invention is simple in structure and convenient to use, is more efficient and accurate for the production of the top cover of a special vehicle, can effectively ensure the precision of the top cover processing process, adopts different clamping structures for different parts, greatly improves the production efficiency, and has great popularization value.
Description
Technical Field
The invention relates to the technical field of vehicle welding fixture structures, in particular to a special vehicle top cover welding fixture and a welding method.
Background
The special vehicle is widely applied to special operations such as air-drop operation, frontier defense patrol, scientific exploration, forest protection, public security explosion protection, rescue and relief work and the like. The top cover of a special vehicle used in the national defense field has a length of more than 3.5 meters and a width of more than 2 meters, the main body is formed by welding four bulletproof steel plates, and the internal reinforcing beam and welding accessories are common steel plates. The bulletproof steel plate has the tensile strength of 1690Mpa, the yield strength of 1370Mpa, the elongation after break of 11 percent and the hardness of 480-530HB, and has certain anti-attack capability. In the field of manufacturing of special vehicles, the manufacturing process of a top cover steel plate is generally divided into three sections: the first section is bullet-proof steel plate splice welding (MAG welding double-sided full-welded forming); the second section is an internal stiffening beam and attachment welding (MAG welding segment welding); the third segment is external attachment welding (MAG-welded segment welding). By adopting the manufacturing process and the device, the labor intensity of workers is high, the welding deformation is serious, the production efficiency is low, the welding seam strength can only reach 60% of the base metal and can not meet the design requirement, the welding stress concentration is serious, and the risk of welding seam cracking exists in the using process of the vehicle.
In particular, in the welding process of the inner reinforcing beam and the accessory in the second section, the clamping and fixing of the bulletproof steel plate, the reinforcing beam and the accessory are all the difficulties in the welding process of the top cover, the clamping of a plurality of parts, such as the clamping of the bulletproof steel plate, the clamping of the reinforcing beam and the clamping of the accessory, are involved in the welding process, the clamping of the accessory comprises the clamping of the escape ring sealing beam, the elastic ring sealing beam and the weapon ring seat, the stable connection of a plurality of parts is maintained, the displacement and the movement in the welding process are avoided, the welding deviation is caused, and the current welding fixture cannot perfectly ensure the requirement, so that a welding fixture capable of accurately clamping the bulletproof steel plate, the reinforcing beam and the accessory is needed.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provides a special vehicle top cover welding tool and a welding method.
The technical scheme of the invention is as follows: a special vehicle top cover welding tool comprises a mounting seat, wherein a plurality of mounting seats are arranged on the mounting seat;
the steel plate clamping structure surrounds the bulletproof steel plate and is used for clamping and fixing the bulletproof steel plate on the mounting seat;
the reinforcing beam clamping structure is used for fixing the reinforcing beam on the bulletproof steel plate;
the additional clamping structures are positioned at the inner side and the outer side of the accessory mounting hole of the bulletproof steel plate and used for fixing the accessory to be mounted at the edge of the accessory mounting hole of the bulletproof steel plate;
and the reinforcement beam positioning structure is positioned on two adjacent reinforcement beams to be connected and used for limiting the relative movement of the two adjacent reinforcement beams.
Further the steel plate clamping structure comprises a plurality of steel plates,
the first base is fixed on the mounting base;
the first supporting seat is fixed at the upper end of the first base and used for supporting the lower end face of the bulletproof steel plate;
the first pressure head is hinged and connected to the upper end face of the first supporting seat, which is used for clamping the bulletproof steel plate, and can rotate around the horizontal axis.
Further the stiffening beam clamp structure includes,
the beam end clamping structure is used for clamping the end part of the stiffening beam on the bulletproof steel plate;
the middle beam clamping structure is used for clamping the middle beam body of the stiffening beam on the bulletproof steel plate;
the beam-end gripping structure comprises,
the second base is fixed on the mounting seat;
the second supporting seat is fixed at the upper end of the second base and used for supporting the lower end face of the bulletproof steel plate;
the second pressure head is hinged and connected to the second supporting seat and used for clamping the upper end face of the reinforcing beam, wherein the second pressure head can rotate around the horizontal axis;
the first clamping heads are respectively arranged at two sides of the second pressure head and used for limiting the transverse movement of the reinforcing beam.
A first positioning structure is further arranged on the second pressure head; the first positioning structure comprises a first positioning structure and a second positioning structure,
the first positioning pin can vertically movably penetrate through the second pressure head and is used for positioning the second pressure head and the reinforcing beam from top to bottom through a positioning hole on the reinforcing beam;
the first spring is sleeved on the first positioning pin and used for driving the lower end of the first positioning pin to move towards the side far away from the second pressure head;
the sliding groove is formed in the second pressure head and comprises a horizontal groove and a vertical groove which are communicated with each other and are arranged in the horizontal direction;
one end of the limiting pin penetrates through the sliding groove to be fixed with the pin body of the first positioning pin, and the other end of the limiting pin can slide in the sliding groove.
Further said in-beam clamping arrangement comprises,
the third base is fixed on the mounting base;
the third supporting seat is fixed at the upper end of the third base and used for supporting the lower end face of the bulletproof steel plate;
the third pressure head is hinged and connected to the third supporting seat and used for clamping the upper end face of the reinforcing beam, wherein the third pressure head can rotate around the horizontal axis;
the second locating pin can vertically movably penetrate through the third pressure head and is used for locating the third pressure head and the reinforcing beam from top to bottom through locating holes in the reinforcing beam.
Further said additional gripping structure comprises that,
the escape ring sealing beam clamping structure is used for clamping and fixing the escape ring sealing beam at the edge position of the escape ring of the bulletproof steel plate;
the bullet-changing ring sealing beam clamping structure is used for clamping and fixing the bullet-changing ring sealing beam at the edge position of the bullet-changing ring of the bulletproof steel plate;
and the weapon ring seat clamping structure is used for clamping and fixing the weapon ring seat at the weapon ring edge position of the bulletproof steel plate.
Further the escape ring sealing beam clamping structure comprises,
the fourth base is fixed on the mounting base;
the fourth supporting seat is fixed at the upper end of the fourth base and used for supporting the lower end face of the bulletproof steel plate;
the fourth pressure head is hinged and connected to the fourth supporting seat in a manner of rotating around the horizontal axis and used for clamping the upper end face of the escape ring sealing beam;
one end of the first positioning pin seat is fixed on the side part of the fourth supporting seat, and the other end of the first positioning pin seat extends outwards along the horizontal direction;
the third positioning pin is vertically movably arranged in a penetrating manner and used for penetrating through positioning holes on the bulletproof steel plate and the escape ring sealing beam from bottom to top to position the bulletproof steel plate and the escape ring sealing beam.
Further the clamping structure of the elastic ring-changing sealing beam comprises,
the fifth base is fixed on the mounting base;
the lower end of the fifth supporting seat is fixed on the fifth base, the upper end of the fifth supporting seat extends vertically and is supported on the lower end surface of the joint of the bulletproof steel plate and the bullet-exchanging ring sealing beam;
and the fifth pressure head can be hinged and connected to the upper end surface of the fifth base for clamping the elastic ring sealing beam around the horizontal axis.
Further the weapon coil holder clamping structure comprises,
the lower end of the upright post is fixed on the mounting seat, and the upper end of the upright post is provided with a vertical screw hole;
the lower end of the rotating shaft is spirally connected with the screw hole;
the rotary pressure head is fixed on the rotating shaft and vertically ascends and descends along with the rotating shaft to apply vertical pressure to the weapon ring seat so as to force the weapon ring seat to be clamped with the bulletproof steel plate;
a plurality of cross bars are arranged on the rotary press head; one end of the cross rod is fixed on the shaft body of the rotating shaft, and the other end of the cross rod extends along the horizontal radial direction and is used for pressing the weapon ring seat.
Further the stiffening beam positioning structure includes,
the horizontal cross beam is suspended above the two stiffening beams to be positioned;
and the upper end of the fourth locating pin is fixed at the end part of the horizontal beam, and the lower end of the fourth locating pin extends vertically and is used for being inserted into the locating hole on the reinforcing beam to limit the relative movement of the two reinforcing beams.
A welding method of a special vehicle top cover welding tool comprises the steps of placing a bulletproof steel plate on a mounting seat, fixing the bulletproof steel plate through a steel plate clamping structure on the mounting seat, placing a reinforcement beam on the fixed bulletproof steel plate, positioning and fixing adjacent reinforcement links through a reinforcement beam positioning structure, fixing the reinforcement beam on the bulletproof steel plate through the reinforcement beam clamping structure, fixing an escape ring sealing beam on an escape ring of the bulletproof steel plate through the escape ring sealing beam clamping structure, fixing a single-ring replacing sealing beam on a bullet replacing ring of the bulletproof steel plate through a weapon ring seat clamping structure, fixing a weapon ring seat on the weapon ring of the bulletproof steel plate, and finally welding a position to be welded.
The invention has the advantages that: 1. the welding tool is applied to top cover welding of special vehicles, and corresponding clamping tools are respectively designed aiming at structures of different parts on the top cover, so that each part on the top cover can be stably and accurately fixed on a mounting seat, the welding process of the special vehicles is greatly facilitated, the processing efficiency is improved, and the processing precision is greatly improved;
2. aiming at the clamping of the bulletproof steel plate, the invention has the advantages that the clamping structure is very simple, the bulletproof steel plate can be stably fixed on the mounting seat by utilizing the first supporting seat and the first pressure head, the clamping and the loosening are very convenient, and the operation is very simple;
3. the clamping structure of the stiffening beam comprises a beam end clamping structure and a beam middle clamping structure, which respectively clamp the beam end part and the beam middle part of the stiffening beam, and the clamping structure of the beam end has the functions of clamping and limiting, so that the stiffening beam can be conveniently fixed on a bulletproof steel plate, the movement in the welding process is avoided, and the welding precision of the stiffening beam and the bulletproof steel plate is improved;
4. the first positioning structure is arranged on the beam end clamping structure, and the first positioning pin in the first positioning structure is of a telescopic bolt structure, so that the first positioning pin can be switched between an extending state and a contracting state, and positioning and clamping of the stiffening beam and the bulletproof steel plate are facilitated;
5. the middle clamping structure of the beam is used for clamping the middle position of the reinforcing beam, is matched with the clamping structure at the beam end, can stably fix the reinforcing beam on the bulletproof steel plate, is simple in operation and convenient to use, and can accurately position the reinforcing beam and the bulletproof steel plate;
6. the accessory clamping structure comprises an escape ring sealing beam clamping structure, a bullet changing ring sealing beam clamping structure and a weapon ring seat clamping structure, and is used for clamping and fixing the escape ring sealing beam, the bullet changing ring sealing beam and the weapon ring seat respectively, and specific clamping is carried out according to the characteristics of the structures, so that the clamping stability and precision are improved;
7. the escape ring sealing beam clamping structure has the functions of clamping and positioning, the third positioning pin is inserted into the bulletproof steel plate and the positioning hole on the escape ring sealing beam to position the escape ring sealing beam, the fourth pressure head clamps and fixes the escape ring sealing beam on the bulletproof steel plate, and a stable welding structure is formed, so that the operation is extremely simple and convenient;
8. the clamping structure of the bullet-exchanging ring sealing beam is extremely simple to operate, and the bullet-exchanging ring sealing beam can be conveniently clamped and fixed at the edge position of the bullet-exchanging ring of the bulletproof steel plate after the fifth pressure head is turned in place;
9. the weapon ring seat clamping structure can lift or press down the rotary pressure head in a rotary mode, so that the weapon ring seat can be conveniently fixed at the edge position of the weapon ring from the weapon ring, and the weapon ring seat clamping structure is simple to operate and convenient to use;
10. the invention designs the positioning structure of the stiffening beam, the connection of the adjacent stiffening beams is more accurate, the positioning is more convenient, and the welding of the stiffening beams is simpler.
The welding tool disclosed by the invention is simple in structure and convenient to use, is more efficient and accurate for the production of the top cover of a special vehicle, can effectively ensure the precision of the top cover processing process, adopts different clamping structures for different parts, greatly improves the production efficiency, and has great popularization value.
Drawings
Fig. 1: the bulletproof steel plate and tooling assembly structure schematic diagram (axial view) is provided;
fig. 2: the bulletproof steel plate and tooling assembly structure of the invention is schematically shown (plan view);
fig. 3: the welding tool structure of the invention is schematically shown (axial view);
fig. 4: the steel plate clamping structure of the invention is schematically shown;
fig. 5: the invention relates to a beam end clamping structure schematic diagram;
fig. 6: another beam-end clamping structure schematic diagram of the invention;
fig. 7: the clamping structure in the beam is schematically shown in the invention;
fig. 8: the escape ring sealing beam clamping structure is schematically shown;
fig. 9: the invention relates to a clamping structure schematic diagram of a spring-changing ring sealing beam;
fig. 10: the other elastic ring replacing sealing beam clamping structure is shown in the schematic diagram;
fig. 11: the weapon ring seat clamping structure of the invention is schematically shown;
fig. 12: the stiffening beam positioning structure of the invention is schematically shown;
wherein: 1-a steel plate clamping structure; 11-a first base; 12-a first support base; 13-a first ram;
2-a stiffening beam clamping structure;
21-a beam-end clamping structure; 211-a second base; 212-a second support; 213-a second ram; 214-a first chuck; 215-a first locating pin; 216-a chute; 217-stop pin; 218-a first upper stopper;
219-sixth base; 2110-a sixth support; 2111-sixth ram; 2112—a second chuck; 2113—a second upper stopper;
22-a clamping structure in the beam; 221-a third base; 222-a third support; 223—a third ram; 224-a second locating pin; 225-a push rod;
3-a stiffening beam positioning structure; 31-a horizontal cross beam; 32-fourth locating pins;
4-an escape ring sealing beam clamping structure; 41-a fourth base; 42-a fourth support base; 43-fourth ram; 44—a first positioning pin holder; 45-a third locating pin;
5-a clamping structure of the elastic ring sealing beam; 51-a fifth base; 52-a fifth support; 53-fifth ram;
54-seventh base; 55-seventh support; 56-seventh ram; 57-fifth locating pin; 58-a second dowel seat;
6-a weapon ring seat clamping structure; 61-stand columns; 62-a rotating shaft; 63—a rotating ram;
7, a mounting seat;
81-bulletproof steel plate; 82-reinforcing beams; 83-escape ring sealing beam; 84-replacing the spring ring sealing beam; 85-weapon ring seat;
9-supporting the cross beam.
Detailed Description
Embodiments of the present invention are described in detail below, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
The invention will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1 to 11, the embodiment relates to a special vehicle roof welding fixture, the special vehicle roof of the embodiment is formed by taking a bulletproof steel plate 81 as a body of the roof, a plurality of reinforcing beams 82 are arranged on the bulletproof steel plate 81, the reinforcing beams 82 are of a U-shaped channel steel structure, and the reinforcing beams are welded and fixed on the bulletproof steel plate 81 to strengthen the bulletproof steel plate 81. In addition, the bulletproof steel plate 81 is provided with a plurality of accessories including an escape ring sealing beam 83, a bullet changing ring sealing beam 84 and a weapon ring seat 85, wherein the above structures are all holes on the bulletproof steel plate 81, such as an escape ring, a bullet changing ring and a weapon ring, and then the escape ring sealing beam 83, the bullet changing ring sealing beam 84 and the weapon ring seat 85 are arranged at the edge positions of the holes. In fact, many other accessories, such as bolts, wire harness fixing brackets, mounting bases, ceiling lamp brackets, escape window lock column bases, etc., are further provided on the bulletproof steel plate 81 of the present embodiment, and the clamping of the accessories will not be described in the present embodiment because specific clamping is not involved.
The welding fixture of this embodiment includes mount pad 7, mount pad 7 is a flat plate structure, play the supporting role, divide into following structure to the structure that needs the welding on the mount pad 7, including around being used for fixing the steel sheet 81 centre gripping steel sheet centre gripping structure 1 on the mount pad 7 around bulletproof steel sheet 81, be used for fixing the stiffening beam 82 on bulletproof steel sheet 81 stiffening beam centre gripping structure 2, be located the inside and outside both sides of the annex mounting hole of bulletproof steel sheet 81 and be used for fixing the annex of waiting to install additional centre gripping structure in annex mounting hole edge department of bulletproof steel sheet 81, be located two stiffening beams 82 that wait to connect adjacently on be used for restricting the stiffening beam location structure 3 of the relative movement of two adjacent stiffening beams 82.
As shown in fig. 4, the steel plate clamping structure 1 of the present embodiment includes a first base 11, a first supporting seat 12 and a first pressing head 13, the first base 11 is fixed on the mounting seat 7 by a bolt structure, the first supporting seat 12 is fixed at the upper end of the first base 11 for supporting the lower end face of the bulletproof steel plate 81, and the first pressing head 13 is hinged and connected to the upper end face of the first supporting seat 12 for clamping the bulletproof steel plate 81 in a manner that the first pressing head 13 can rotate around a horizontal axis. The first pressure head 13 and the first supporting seat 12 form a clamping structure for clamping the bulletproof steel plate 81, and the joint surface of the first pressure head 13 and the first supporting seat 12 is of a planar structure, so that the bulletproof steel plate 81 can be conveniently fixed. The steel plate clamping structure 1 is simple to operate and extremely convenient to clamp and release.
As shown in fig. 5 to 6, the reinforcing beam clamping structure 2 of the present embodiment is divided into two types, namely, a beam end clamping structure 21 for clamping the end of the reinforcing beam 82 to the ballistic steel plate 81 and a beam center clamping structure 22 for clamping the intermediate beam body of the reinforcing beam 82 to the ballistic steel plate 81. As shown in fig. 5, the beam-end clamping structure 21 of this embodiment specifically includes a second base 211 fixed on the mounting base 7, a second supporting base 212 is disposed at an upper end of the second base 211, the second supporting base 212 is located at a lower end face of the bulletproof steel plate 81 directly below the clamped reinforcing beam 82 under the clamping condition, a second pressing head 213 is disposed on the second supporting base 212, the second pressing head 213 is hinged to the second supporting base 212 about a horizontal axis, and the second pressing head 213 is clamped on an upper end face of the clamped reinforcing beam 82 in a rotating manner, that is, the reinforcing beam 82 is fixed on the bulletproof steel plate 81 through the clamping structures of the second pressing head 213 and the second supporting base 212.
The beam end clamping structure 21 of the embodiment is further provided with a first positioning structure, so that the reinforcing beam 82 and the bulletproof steel plate 81 are positioned conveniently, and the reinforcing beam 82 and the bulletproof steel plate 81 are provided with positioning holes corresponding to each other. As shown in fig. 5, the first positioning structure of the present embodiment includes a first positioning pin 215, a first spring, a sliding groove 216 and a limiting pin 217, where a pin hole is formed at one end of the second ram 213 away from the second support base 212, the pin hole is penetrated with the first positioning pin 215, the first positioning pin 215 is vertically movably penetrated with the second ram 213 and is used for positioning the second ram 213 and the reinforcing beam 82 through a positioning hole on the reinforcing beam 82 from top to bottom, the first positioning pin 215 is sleeved with a first spring (not shown in the drawing), the first spring is sleeved with the first positioning pin 215 and is used for driving the lower end of the first positioning pin 215 to move to a side far away from the second ram 213, the first spring is in a compressed state in the pin hole, a sliding groove 216 is formed at the side wall of the second ram 213, the sliding groove 216 includes a vertical groove and a transverse groove arranged along the transverse direction, the transverse groove is located at the upper end of the vertical groove, the transverse groove is communicated with the vertical groove, the limiting pin 217 is disposed in the sliding groove 216, one end of the limiting pin 21 penetrates the sliding groove 216 and the first positioning pin 215, and the other end of the sliding groove 216 slides in the sliding groove 216. When the bulletproof steel plate 81 and the reinforcing beam 82 need to be positioned, namely the beam end clamping structure 21 is in a use state, the limiting pin 21 is poked into the vertical groove of the sliding groove 216, and under the action of the first spring, the first positioning pin 215 stretches downwards to the maximum length and can stretch into the positioning holes of the reinforcing beam 82 and the bulletproof steel plate 81 to position the two; when the welding process is completed and the beam-end clamping structure 21 is to be removed, the limiting pin 217 is pushed into the transverse groove 216, the transverse groove 216 limits the downward movement of the limiting pin 216, and the limiting pin is retracted to the minimum extension length.
In addition, the beam end clamping structure 21 of this embodiment is further provided with a structure for limiting the stiffening beam 82, as shown in fig. 5, two sides of the second pressure head 213 are provided with first chucks 214, and the block structures of the first chucks 214 are arranged vertically, two groups of first chucks 214 are arranged in pairs, so as to form a structure for limiting the non-length direction movement of the stiffening beam 82, and in order to adapt to the structure of the stiffening beam 82 with a small upper part and a large lower part, the inner side end surface of the lower end of the first chuck 214 is an inclined end surface with a small upper part, and the inclined end surfaces of the two sides form a V-shaped structure, when in use, the V-shaped structure is clamped on two sides of the stiffening beam 82, so as to limit the non-length direction movement of the stiffening beam 82. In addition to the limiting effect of the first chuck 214, in this embodiment, a first upper limiting block 218 is disposed at the front end of the second pressing head 213 away from the second supporting seat 212, where the lower end surface of the first upper limiting block 218 is attached to the upper end surface of the clamped reinforcing beam 82 when the beam end clamping structure 21 is in the clamping state, so as to press the reinforcing beam 82 to be tightly attached to the bulletproof steel plate 81.
The beam-end clamping structures 21 of this embodiment are distributed around the bulletproof steel plate 81, and for some reinforcement beams 82, this embodiment is fixed by adopting the beam-end clamping structures 21 described above, and this portion of the beam-end clamping structures 21 includes the first positioning pins 215, and for other reinforcement beams, the beam-end clamping structures 21 designed in this embodiment do not include the first positioning pins 215. As shown in fig. 6, another beam-end clamping structure 21 of this embodiment includes a sixth base 219 fixed on the mounting base 7, a sixth support base 2110 for supporting the lower end surface of the bulletproof steel plate 81 placed under the clamped reinforcing beam 82 is mounted on the sixth base 219, the sixth support base 2110 is provided with a sixth ram 2111, the sixth ram 2111 is pivotally connected to the sixth support base 2110 about a horizontal axis, the sixth ram 2111 and the sixth support base 2110 form a clamping structure for clamping the end of the reinforcing beam 82 and the bulletproof steel plate 81, two sets of limiting structures for limiting the non-longitudinal movement of the reinforcing beam 82 are provided on the sixth ram 2111, each set of limiting structures includes two second chucks 2112 disposed on both sides of the sixth ram 2111, and the two second chucks 2112 are disposed opposite to each other, limiting the reinforcing beam 82 between them. In addition, a second upper limiting block 2113 is arranged at the end part of the sixth pressure head 2111 far away from the sixth supporting seat 2110, and the second upper limiting block 2113 is attached to the upper end surface of the reinforcing beam 82 when in a clamping state, so that the effect of limiting and compacting is achieved.
The in-beam clamping structure 22 of this embodiment is located in the escape ring, as shown in fig. 7, the in-beam clamping structure 22 of this embodiment includes a third base 221 fixed on the mounting base 7, a third supporting base 222 is installed on the third base 221, the third supporting base 222 is used for supporting the lower end face of the bulletproof steel plate 81, a third pressing head 223 is provided on the third supporting base 222, the third pressing head 223 can be hinged and connected to the upper end face of the third supporting base 222 for clamping the stiffening beam 82 around the horizontal axis, a second positioning pin 224 is installed on the third pressing head 223, and the second positioning pin 224 can vertically movably penetrate through the third pressing head 223 for positioning the third pressing head 223 and the stiffening beam 82 through a positioning hole on the stiffening beam 82 from top to bottom. In fact, the second positioning pin 224 of this embodiment has the same structure as the first positioning pin 215, and is a telescopic positioning pin body structure, as shown in fig. 7. In fig. 7 of the present embodiment, two second positioning pins 224 are involved, because the clamping structure 22 in the beam of the present embodiment can be applied to two different specifications of automobile roof welding processes, and the different specifications of roof can be positioned by using the second positioning pins 224 at different positions.
The specific usage method of the clamping structure 22 in the beam of this embodiment is that the third pressing head 223 is connected to the third supporting seat 222 through a horizontal rotating shaft, a plurality of corresponding pin holes are formed on the third supporting seat 222 and the third pressing head 223, and after the third pressing head 223 rotates in place, pin shafts (the pin shafts are not coaxial with the rotating shaft) are inserted into the corresponding pin holes, so that the third pressing head 223 can be fixed on the third supporting seat 222. The side of the third pressure head 223 is provided with a rotatable telescopic ejector rod 225, the end part of the ejector rod passes through the third pressure head 223 to be abutted against the side of the third supporting seat 222, the ejector rod 225 is in spiral connection with the third pressure head 223, and the third supporting seat 222 and the third pressure head 223 can be abutted against each other through rotating the ejector rod 225, so that the clamping stability is ensured.
As shown in fig. 8, the additional clamping structure of the present embodiment includes an escape ring seal clamping structure 4 for clamping and fixing the escape ring seal 83 to the escape ring edge position of the bulletproof steel plate 81, a sabot clamping structure 5 for clamping and fixing the sabot 84 to the sabot edge position of the bulletproof steel plate 81, and a sabot clamping structure 6 for clamping and fixing the sabot 85 to the sabot edge position of the bulletproof steel plate 81.
As shown in fig. 1, the escape ring sealing beam clamping structures 4 of the embodiment are located at two sides of the bulletproof steel plate 81, and the escape ring sealing beam clamping structures 4 are not located in the escape ring. The escape ring sealing beam clamping structure 4 comprises a fourth base 41 fixed on the mounting seat 7, a fourth supporting seat 42 is arranged on the fourth base 41, the fourth supporting seat 42 is fixed at the upper end of the fourth base 41 and used for supporting the lower end face of the bulletproof steel plate 81, a fourth pressure head 43 is arranged on the fourth supporting seat 42, the fourth pressure head 43 can be hinged and connected with the upper end face of the fourth supporting seat 42, which is used for clamping the escape ring sealing beam 83, around a horizontal axis, and the clamping of the escape ring sealing beam and the bulletproof steel plate 81 can be completed by rotating the fourth pressure head 43. For accurate alignment, in this embodiment, a first positioning pin seat 44 is disposed on a side portion of the fourth supporting seat 42, one end of the first positioning pin seat 44 is fixed on a side portion of the fourth supporting seat 42, and the other end of the first positioning pin seat extends outwards along a horizontal direction (in addition, the first positioning pin seat 44 may also be mounted on the fourth pressure head 43, the escape ring sealing beam clamping structure 4 shown in fig. 8 is a fixture for two top cover welding processes with different specifications, different first positioning pin seats are selected for top covers with different specifications, the first positioning pin seat 44 of this embodiment is fixed on a side portion of the fourth supporting seat 42), a third positioning pin 45 is disposed on the first positioning pin seat 44 in a penetrating manner that the third positioning pin 45 can move vertically and penetrate through the first positioning pin seat 44 to position the bulletproof steel plate 81 and the escape ring sealing beam 83 from bottom to top. The third positioning pin 45 is similar in structure to the first positioning pin 215 except that the third positioning pin 45 is threaded from bottom to top and the first positioning pin 215 is threaded from top to bottom.
As shown in fig. 9, the clamping structure 5 for sealing a beam of a bullet changing ring of this embodiment includes a first bullet changing ring beam sealing clamping device fixed on a mounting seat 7, a base plate is provided on the mounting seat 7, two groups of first bullet changing ring beam sealing clamping devices are provided on the base plate, the two groups of first bullet changing ring beam sealing clamping devices are distributed in 45 ° angles, one group of first bullet changing ring beam sealing clamping devices is parallel to the Y direction and is used for clamping the straight side part of the bullet changing ring beam sealing, and the other group of first bullet changing ring beam sealing clamping devices is in 45 ° angles with the Y direction and is used for clamping the arc round corner part of the bullet changing ring beam sealing. Specifically, as shown in fig. 9, the first clamping device for the seal beam of the bullet changing ring includes a fifth base 51 fixed on the base plate, a fifth supporting seat 52 (the included angle described above in this embodiment refers to an included angle between the projection of the fifth supporting seat 52 on the mounting seat 7 and the Y direction), where the projection of one group of fifth supporting seats 52 on the mounting seat 7 extends along the Y direction, the side straight portion of the seal beam of the bullet changing ring is clamped, the projection of the other group of fifth supporting seats 52 on the mounting seat 7 forms an included angle of 45 ° with the Y direction, and is used for clamping the arc rounded corner portion of the seal beam of the bullet changing ring), the lower end of the fifth supporting seat 52 is fixed on the fifth base 51, and the upper end extends vertically and is supported on the lower end face of the connection portion of the bullet changing ring seal beam 84 and the bullet changing steel plate 81. The fifth supporting seat 52 is provided with a rotary fifth pressure head 53, and the fifth pressure head 53 is hinged to the fifth base 51 and used for clamping the upper end face of the elastic ring-changing sealing beam 84, wherein the fifth pressure head 53 can rotate around a horizontal axis. The rotation engagement of the fifth pressure head 53 is similar to the structure of the third pressure head 223, and is limited and fixed by the combined structure of the rotating shaft and the pin shaft.
The clamping structure 5 for the seal beam of the elastic ring comprises a second clamping device for the seal beam of the elastic ring, as shown in fig. 10, and comprises a seventh base 54 fixed on the mounting seat 7, wherein the seventh base 54 is provided with a seventh supporting seat 55, the seventh supporting seat 55 is supported on the lower end face of a bulletproof steel plate 81 placed under the seal beam of the elastic ring, a seventh pressure head 56 is arranged on the seventh supporting seat 55, the seventh pressure head 56 can be hinged on the seventh supporting seat 55 around a horizontal rotating shaft, a plurality of pin holes are formed in the seventh pressure head 56 and the seventh supporting seat 55, after the seventh pressure head 56 rotates around the rotating shaft to the right position, a pin shaft is inserted into the pin holes, and the fixing of the seventh pressure head 56 is completed, and the structure of the clamping structure is similar to that of the third pressure head 223. The seventh ram 56 of this embodiment is further provided with a second positioning pin seat 58, and a fifth positioning pin 57 arranged along the horizontal direction is threaded on the second positioning pin seat 58, where the fifth positioning pin 57 is a positioning hole corresponding to the reinforcing beam 82 around the coil. The second pin holder 58 is also a reversible structure, similar to the seventh ram 56, and is turned over by a rotating shaft and fixed by a pin.
As shown in fig. 11, the clamping structure 6 of the weapon ring seat of the present embodiment includes a column 61, the lower end of the column 61 is fixed on the mounting seat 7, and the upper end is provided with a vertical screw hole; a rotating shaft 62 is penetrated in a screw hole at the upper end of the upright post 61, and the lower end of the rotating shaft 62 is spirally connected with the screw hole; the rotating shaft 62 is provided with a rotating press head 63, the rotating press head 63 is fixed on the rotating shaft 62 and is used for applying vertical pressure to the weapon ring seat 85 to force the weapon ring seat 85 to be clamped with the bulletproof steel plate 81 along with the vertical lifting of the rotating shaft 62, the rotating press head 63 is provided with a plurality of cross bars, one end of each cross bar is fixed on the shaft body of the rotating shaft 52, and the other end of each cross bar extends along the horizontal radial direction to be used for pressing the weapon ring seat 85. In actual use, the rotary ram 63 is rotated to press the weapon coil against the ballistic steel plate 81.
In addition, when there is a weld between two adjacent stiffening beams 82 in this embodiment, a stiffening beam positioning structure 3 is designed, specifically as shown in fig. 12, the stiffening beam positioning structure 3 includes a horizontal beam 31 suspended above two stiffening beams 82 to be positioned, two ends of the horizontal beam 31 are provided with fourth positioning pins 32, and the upper ends of the fourth positioning pins 32 are fixed at the end portions and the lower ends of the horizontal beam 31 and extend vertically, so as to be inserted into positioning holes on the stiffening beams 82 to limit the relative movement of the two stiffening beams 82. The horizontal cross beam 31 is also provided with a chuck structure which is respectively arranged at two sides of the horizontal cross beam 31 and plays a role in limiting the stiffening beam 82. 4
The mounting seat 7 of the embodiment is further provided with a plurality of supporting beams 9, and the supporting beams 9 are used for supporting a plurality of weak positions on the bulletproof steel plate 81, so that stability of the whole welding process is improved.
During actual use, the bulletproof steel plate 81 is placed on the mounting seat 7, the bulletproof steel plate 81 is fixed on the mounting seat 1 by using the steel plate clamping structure 1, the reinforcing beam 82 is placed on the bulletproof steel plate 81, the reinforcing beam 82 is fixed on the bulletproof steel plate 81 by using the reinforcing beam clamping structure 2, the escape ring sealing beam 83, the elastic ring sealing beam 84 and the weapon ring seat 85 are installed in the mounting hole of the bulletproof steel plate 81, the components are fixed on the bulletproof steel plate 81 by corresponding clamping structures respectively, and other accessories are installed on the bulletproof steel plate 81, after the completion, the welding is started until all welding constructions are completed, the clamping structures are removed, and the next construction procedure is transferred.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a special type vehicle top cap welding frock, includes mount pad (7), its characterized in that: a plurality of mounting seats (7) are arranged on the base:
the steel plate clamping structure (1) surrounds the bulletproof steel plate (81) and is used for clamping and fixing the bulletproof steel plate (81) on the mounting seat (7);
a reinforcing beam clamping structure (2) for fixing the reinforcing beam (82) to the bulletproof steel plate (81);
the additional clamping structures are positioned at the inner side and the outer side of the accessory mounting hole of the bulletproof steel plate (81) and used for fixing an accessory to be mounted at the edge of the accessory mounting hole of the bulletproof steel plate (81);
the stiffening beam positioning structure (3) is positioned on two stiffening beams (82) to be connected adjacently and used for limiting the relative movement of the two stiffening beams (82);
the additional gripping structure may comprise a plurality of gripping structures,
the escape ring sealing beam clamping structure (4) is used for clamping and fixing the escape ring sealing beam (83) at the edge of the escape ring of the bulletproof steel plate (81);
the bullet-exchanging ring sealing beam clamping structure (5) is used for clamping and fixing the bullet-exchanging ring sealing beam (84) at the edge position of the bullet-exchanging ring of the bulletproof steel plate (81);
a weapon ring seat clamping structure (6) for clamping and fixing the weapon ring seat (85) at the weapon ring edge position of the bulletproof steel plate (81);
the escape ring sealing beam clamping structure (4) comprises,
a fourth base (41) fixed on the mounting base (7);
the fourth supporting seat (42) is fixed at the upper end of the fourth base (41) and is used for supporting the lower end face of the bulletproof steel plate (81);
the fourth pressure head (43) is hinged and connected to the upper end surface of the fourth supporting seat (42) for clamping the escape ring sealing beam (83) in a rotating way around the horizontal axis;
a first positioning pin seat (44) with one end fixed at the side part of the fourth supporting seat (42) and the other end extending outwards along the horizontal direction;
the third locating pin (45) is vertically movably arranged in a penetrating manner on the first locating pin seat (44) and used for locating the bulletproof steel plate (81) and the escape ring sealing beam (83) from bottom to top through locating holes on the bulletproof steel plate (81) and the escape ring sealing beam (83);
the elastic ring replacing and beam sealing clamping structure (5) comprises,
a fifth base (51) fixed to the mount (7);
the lower end of the fifth supporting seat (52) is fixed on the fifth base (51), the upper end of the fifth supporting seat extends vertically and is supported on the lower end face of the joint of the bulletproof steel plate (81) and the elastic ring-changing sealing beam (84);
the fifth pressure head (53) is hinged and connected to the upper end surface of the fifth base (51) and used for clamping the elastic ring replacing sealing beam (84) in a rotating mode around the horizontal axis;
the weapon ring seat clamping structure (6) comprises,
the lower end of the upright post (61) is fixed on the mounting seat (7), and the upper end of the upright post is provided with a vertical screw hole;
the lower end of the rotating shaft (62) is spirally connected with the screw hole;
the rotary pressure head (63) is fixed on the rotating shaft (62) and vertically ascends and descends along with the rotating shaft (62) to apply vertical pressure to the weapon ring seat (85) so as to force the weapon ring seat (85) to be clamped with the bulletproof steel plate (81);
a plurality of cross bars are arranged on the rotary pressure head (63); one end of the cross rod is fixed on the shaft body of the rotating shaft (62), and the other end of the cross rod extends along the horizontal radial direction and is used for pressing the weapon ring seat (85).
2. The special vehicle roof welding fixture of claim 1, wherein: the steel plate clamping structure (1) comprises,
the first base (11) is fixed on the mounting seat (7);
the first supporting seat (12) is fixed at the upper end of the first base (11) and is used for supporting the lower end face of the bulletproof steel plate (81);
the first pressure head (13) is hinged and connected to the first supporting seat (12) in a manner of rotating around the horizontal axis and is used for clamping the upper end face of the bulletproof steel plate (81).
3. The special vehicle roof welding fixture of claim 1, wherein: the stiffening beam clamping structure (2) comprises,
a beam end clamping structure (21) for clamping the end of the reinforcing beam (82) to the bulletproof steel plate (81);
the middle beam clamping structure (22) is used for clamping the middle beam body of the stiffening beam (82) on the bulletproof steel plate (81);
the beam-end clamping structure (21) comprises,
a second base (211) fixed on the mounting base (7);
the second supporting seat (212) is fixed at the upper end of the second base (211) and is used for supporting the lower end face of the bulletproof steel plate (81);
the second pressure head (213) is hinged to the second supporting seat (212) and used for clamping the upper end face of the reinforcing beam (82) and can rotate around the horizontal axis;
the first clamping heads (214) are respectively arranged at two sides of the second pressure head (213) and used for limiting the transverse movement of the reinforcing beam (82).
4. A special vehicle roof welding fixture as defined in claim 3, wherein: the second pressure head (213) is provided with a first positioning structure; the first positioning structure comprises a first positioning structure and a second positioning structure,
the first positioning pin (215) is vertically movably arranged on the second pressure head (213) in a penetrating manner and used for positioning the second pressure head (213) and the reinforcing beam (82) from top to bottom through positioning holes on the reinforcing beam (82);
the first spring is sleeved on the first positioning pin (215) and used for driving the lower end of the first positioning pin (215) to move towards the side far away from the second pressure head (213);
the sliding groove (216) is formed in the second pressure head (213) and comprises a horizontal groove and a vertical groove which are communicated with each other and are arranged in the horizontal direction;
and one end of the limiting pin (217) penetrates through the sliding groove (216) to be fixed with the pin body of the first positioning pin (215), and the other end of the limiting pin can slide in the sliding groove (216).
5. A special vehicle roof welding fixture as defined in claim 3, wherein: the in-beam clamping structure (22) comprises,
a third base (221) fixed on the mounting base (7);
the third supporting seat (222) is fixed at the upper end of the third base (221) and is used for supporting the lower end face of the bulletproof steel plate (81);
the third pressure head (223) is hinged to the third supporting seat (222) and used for clamping the upper end face of the reinforcing beam (82) and can rotate around the horizontal axis;
the second locating pin (224) can vertically movably penetrate through the third pressure head (223) and is used for locating the third pressure head (223) and the reinforcing beam (82) from top to bottom through locating holes in the reinforcing beam (82).
6. The special vehicle roof welding fixture of claim 1, wherein: the stiffening beam positioning structure (3) comprises,
the horizontal cross beam (31) is suspended above the two stiffening beams (82) to be positioned;
and the upper end of the fourth locating pin (32) is fixed at the end part of the horizontal cross beam (31), and the lower end of the fourth locating pin extends vertically and is used for being inserted into a locating hole on the reinforcing beam (82) to limit the relative movement of the two reinforcing beams (82).
7. A welding method of the special vehicle roof welding fixture according to any one of claims 1 to 6, characterized in that: the method comprises the steps of placing a bulletproof steel plate (81) on a mounting seat (7), fixing the bulletproof steel plate (81) through a steel plate clamping structure (1) on the mounting seat (7), placing a reinforcement beam (82) on the fixed bulletproof steel plate (81), positioning and fixing adjacent reinforcement beams (82) through reinforcement beam positioning structures (3), fixing the reinforcement beams (82) on the bulletproof steel plate (81) through reinforcement beam clamping structures (2), fixing escape ring sealing beams (83) on escape rings of the bulletproof steel plate (81) through escape ring sealing beam clamping structures (4), fixing single-ring sealing beams (84) on the replacement rings of the bulletproof steel plate (81) through the replacement ring sealing beam clamping structures (5), fixing weapon ring seats (85) on the weapon rings of the bulletproof steel plate (81) through weapon ring seat clamping structures (6), and finally welding positions required to be welded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111246204.XA CN114083205B (en) | 2021-10-26 | 2021-10-26 | Special vehicle top cover welding tool and welding method |
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| CN202111246204.XA CN114083205B (en) | 2021-10-26 | 2021-10-26 | Special vehicle top cover welding tool and welding method |
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| CN114083205A CN114083205A (en) | 2022-02-25 |
| CN114083205B true CN114083205B (en) | 2023-06-06 |
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| CN208992049U (en) * | 2018-09-25 | 2019-06-18 | 无锡市艾力特工程设备有限公司 | For fixing the supporting table of top cap rear cross beam |
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| CN102500985A (en) * | 2011-11-18 | 2012-06-20 | 株洲联诚集团有限责任公司 | Electric locomotive roof assembly and welding tool |
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Also Published As
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| CN114083205A (en) | 2022-02-25 |
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