CN112644585B - Beam transporting vehicle body assembling method and beam transporting vehicle body manufactured by same - Google Patents
Beam transporting vehicle body assembling method and beam transporting vehicle body manufactured by same Download PDFInfo
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- CN112644585B CN112644585B CN202011507285.XA CN202011507285A CN112644585B CN 112644585 B CN112644585 B CN 112644585B CN 202011507285 A CN202011507285 A CN 202011507285A CN 112644585 B CN112644585 B CN 112644585B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000005215 recombination Methods 0.000 claims description 3
- 230000006798 recombination Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a beam transporting vehicle body assembling method and a beam transporting vehicle body manufactured by the same, and belongs to the field of hoisting and transporting equipment. The girder transporting vehicle body assembling method of the invention is to assemble and connect girder transporting vehicle bodies in sections, the occupied cost is reduced, the girder joint pin shaft holes are firstly processed after the cross connecting pieces of the cross beams and the longitudinal girders are assembled and welded with the girder joint, then the girder and the cross connecting pieces of the cross beams are assembled, and the girder joint is not firstly processed and molded and then assembled and welded with the girder, thus the deformation of the girder pin shaft holes caused by welding shrinkage is avoided, the manufacturing precision of the girder pin shaft holes is improved, the installation of pin shafts and the load distribution of the whole vehicle body are not influenced, and the manufacturing precision of the girder transporting vehicle body manufactured by adopting the invention is obviously improved.
Description
Technical Field
The invention belongs to the field of hoisting and transporting equipment, and particularly relates to a method for assembling a 1000t-40m beam transporting vehicle body.
Background
The concrete precast box girder with the weight of 1000t and the length of 40m is transported from a precast girder field to a girder erecting field by utilizing a girder transporting vehicle. The total weight of the existing girder transporting vehicle body is about 253.6t, the total length is 51.25m, the width is 8m, the height is 2.93m, the size is huge, a four-longitudinal eight-transverse reticular groove type structure is adopted, a girder is connected with a girder through a transverse beam, the girder and the girder are of parallel structures, and the same warping degree needs to be manufactured. In the manufacturing process of the car body, the warping degree of the main beam and the warping degree of the longitudinal beam are consistent, and the joint size of the joints of all the sections is guaranteed. All sections of the girder are connected through high-strength friction type bolts, all sections of the girder are connected through girder joints, the girder joints adopt cross pin-and-box joints, and the machining quality of pin shaft holes of the pin-and-box joints directly influences the overall warp value of the automobile body. If the longitudinal beam joint is firstly processed and molded, the deformation of the pin shaft hole of the longitudinal beam can be caused by welding shrinkage when the longitudinal beam joint is assembled and welded with the longitudinal beam, and the installation of the pin shaft and the load distribution of the whole automobile body are affected. If the longitudinal beam pin shaft holes are machined after the integral assembly forming, the requirements on machining equipment and machining sites are severe because of the huge size of the whole car body, the large-scale machining sites are occupied for a long time, and the occupied cost is high. Therefore, a machining method which is low in occupied land cost and capable of improving the precision of the pin shaft holes of the longitudinal beams is urgently needed to machine the girder transporting vehicle body meeting the requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing a beam Che Cheti assembling method and a beam transporting vehicle body, which have low occupied cost, can improve the precision of a pin shaft hole of a longitudinal beam and further improve the precision of the beam transporting vehicle body.
The invention relates to a method for assembling a beam transport vehicle body, which comprises the following steps:
Step one: and (3) assembling a main beam: taking the whole of the lower cover plate of the four sections of main beams as a reference, and integrally erecting a jig frame according to the warping degree curve of the body of the girder transporting vehicle for assembly forming; turning the vehicle body to be assembled after flaw detection;
Step two: and the assembly of the longitudinal beam joint and the transverse beam joint is as follows: the longitudinal beam joint and the cross beam joint are respectively made of an inserted male joint and a female joint, and cross beam joint holes are integrally processed on the cross beam joints; machining a longitudinal beam joint hole after the longitudinal beam joint is spliced with the longitudinal beam; turning the vehicle body to be assembled after flaw detection;
Step three: and (3) assembling cross beam and longitudinal beam cross connectors: the upper cover plate and the lower cover plate of the cross beam and the longitudinal beam are respectively assembled and welded to form, a jig frame is marked on the platform and erected according to the warping degree curve, the warping degree curve of the longitudinal beam is manufactured according to the actual warping degree value of the main beam, the warping degree of the main beam is ensured to be consistent with that of the longitudinal beam, the longitudinal beams on two sides are erected at the same time, and the positions of the two sides are ensured to be corresponding; assembling, forming and rotating the vehicle body after flaw detection;
step four: general assembly of girder transporting vehicle body:
4a) Drawing out center lines of cross connecting pieces of cross beams and longitudinal beams on two sides of a platform, sequentially arranging the cross connecting pieces of the cross beams and the longitudinal beams of each section, and welding longitudinal beam joints;
4b) Dividing the center lines of the longitudinal beam in two directions as the reference for disassembly and recombination, and dividing the center line of the pin shaft hole of the longitudinal beam joint; disassembling the girder joints of the girder section II and the girder section III, and turning a machine to bore girder joint shaft holes of the girder joint holes of the girder section I, the girder joint shaft holes of the girder section II, the girder section IV and the girder section III; disassembling the girder joints of the first girder section and the second girder section and the girder joints of the third girder section and the fourth girder section, assembling the girder joint shaft holes of the second girder section and the third girder section, and boring the third girder section by a back turning machine of the third girder section;
4c) Assembling cross connectors of the cross beams and the longitudinal beams on two sides according to the center line of the lofting, and grinding and matching the cross connectors of the cross beams and the longitudinal beams;
4d) A girder is ground and welded on the cross beam, so that the camber of the girder is consistent with that of the longitudinal beam;
4e) Assembling and welding a track, each longitudinal beam joint and a transverse beam joint locating plate on a longitudinal beam, penetrating locating pins, polishing a welding line, detecting a flaw, and then entering a finished product warehouse.
The invention discloses a method for assembling a beam transport vehicle body, wherein in the first step, when a jig frame is erected, main beams at two sides are erected at the same time, and the positions of the two sides are ensured to be corresponding.
The invention relates to a method for assembling a girder transporting vehicle body, wherein the maximum value of the prefabricated warping degrees of a girder and a longitudinal girder is 70mm.
The invention relates to a method for assembling a girder transporting vehicle body, wherein all sections of a girder are connected by friction plates.
The invention discloses a girder transporting vehicle body which is of a groove-shaped symmetrical structure, wherein two end parts of the vehicle body are upturned, the vehicle body comprises two symmetrically arranged girders, two longitudinal girders parallel to the girders, and eight transverse girders perpendicular to the girders and arranged at intervals, the two longitudinal girders and the eight transverse girders are connected to form a rectangular frame, the two main girders are fixed on the frame, each main girder comprises a first girder section, a second girder section, a third girder section and a fourth girder section, two adjacent sections of each main girder are connected by adopting friction plates, each longitudinal girder comprises a first longitudinal girder section, a second longitudinal girder section, a third longitudinal girder section and a fourth longitudinal girder section, two adjacent sections of each longitudinal girder are connected by adopting a longitudinal girder joint, each transverse girder comprises a first transverse girder section and a second transverse girder section, and the first transverse girder section and the second transverse girder section are connected by adopting a transverse girder joint.
The invention relates to a girder transporting vehicle body, wherein a longitudinal girder connector comprises a male connector and a female connector, and the male connector and the female connector are connected through a pin shaft.
The beam transporting vehicle body comprises a male connector and two female connectors, wherein the male connector and the female connector are connected through a pin shaft.
The girder transporting vehicle body is characterized in that the prefabricated warping degrees of the main girder and the longitudinal girder are the same, and the maximum value of the prefabricated warping degrees is 70mm.
The invention has the beneficial effects that:
according to the beam transporting vehicle body assembling method, the beam transporting vehicle body is assembled and connected in sections, the occupied cost is reduced, the longitudinal beam joint pin shaft holes are machined firstly after the cross connecting pieces of the cross beam and the longitudinal beam are assembled and welded with the longitudinal beam joint, then the cross connecting pieces of the main beam and the cross beam are assembled and connected, and the longitudinal beam joint is not machined firstly and then assembled and welded with the longitudinal beam, so that deformation of the longitudinal beam pin shaft holes caused by welding shrinkage is avoided, the manufacturing precision of the longitudinal beam pin shaft holes is improved, and the installation of pin shafts and the load distribution of the whole vehicle body are not affected.
The beam transporting vehicle body improves the manufacturing precision by adopting the beam transporting vehicle body assembling method.
The girder carrier vehicle body and the method for assembling the same according to the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is an overall block diagram of a beam truck body in the present invention;
FIG. 2 is a front view of a beam truck body;
FIG. 3 is a top view of a beam truck body;
FIG. 4 is a front view of a rail joint;
FIG. 5 is a front view of a beam joint;
fig. 6 is a front view of the main beam;
FIG. 7 is a schematic view of a cross member and stringer cross-connect;
FIG. 8 is a side view of a beam truck body;
FIG. 9 is a schematic illustration of the connection of cross-connectors of the cross-beams to the longitudinal beams to the main beams;
Fig. 10 is a front view of fig. 9;
fig. 11 is a left side view of fig. 9.
Detailed Description
As shown in fig. 1-3 and 8, the girder transporting vehicle body disclosed by the invention has the total length of 51.25m, the width of 8m and the height of 2.93m, the two ends of the vehicle body are tilted upwards, the tilting degree reaches 70mm, the girder transporting vehicle body is of a groove-shaped symmetrical structure and comprises two symmetrically arranged girders 1, two longitudinal girders 2 which are arranged in parallel with the girders 1, and eight transverse girders 3 which are perpendicular to the girders 1 and are arranged at intervals, the two longitudinal girders 2 and the eight transverse girders 3 are connected to form a rectangular frame, the two longitudinal girders 1 are fixed on the frame (see fig. 10), each main girder comprises a first main girder section 11, a second main girder section 12, a third main girder section 13 and a fourth main girder section 14, friction plates 4 are matched with the two adjacent sections of each main girder to be connected with high-strength friction bolts (see fig. 6), each longitudinal girder comprises a first longitudinal girder section 21, a second longitudinal girder section 22, a third longitudinal girder section 23 and a fourth longitudinal girder section 24, the two adjacent sections of each longitudinal girder are connected with each other by adopting a longitudinal girder joint 5 to be matched with a pin shaft, each transverse girder section 3 comprises a first transverse girder 31 and a second transverse girder section 32, and the first girder section 31 are matched with the second girder section 32 by adopting a pin shaft 6.
As shown in fig. 4, the stringer joint 5 includes a male joint 51 and a female joint 52, and as shown in fig. 5, the cross joint 6 includes a male joint 61 and two female joints 62, both of which are coupled by the pin shaft 8.
The prefabricated wane degree of girder 1 and longeron 2 is the same, and the maximum value of prefabricated wane degree is 70mm.
The invention relates to a method for assembling a beam transport vehicle body, which comprises the following steps:
Step one: and (3) assembling the girder 1: the whole of the lower cover plates of the four sections of main beams are taken as a benchmark, a jig frame is integrally erected according to the warping degree curve of the body of the girder transporting vehicle for assembly forming, and when the jig frame is erected, the main beams at two sides are simultaneously erected, so that the positions of the two sides are ensured to be corresponding; and (5) turning the vehicle body for assembly after flaw detection.
Step two: assembly of the rail joints 5 and the cross-member joints 6: the longitudinal beam joint 5 and the transverse beam joint 6 are respectively made of an interleaved male joint and a female joint, and transverse beam joint holes with the overall size phi 85 -0.35 are integrally processed on the transverse beam joints; and (5) turning the vehicle body for assembly after flaw detection.
Step three: assembly of cross beam and stringer cross-connectors 7: the upper cover plate and the lower cover plate of the cross beam and the longitudinal beam are respectively assembled and welded to form, a jig frame is marked on the platform and erected according to the warping degree curve, the warping degree curve of the longitudinal beam is manufactured according to the actual warping degree value of the main beam, the warping degree consistency of the main beam 1 and the longitudinal beam 2 is ensured, the longitudinal beams 2 on two sides are erected at the same time, and the positions on two sides are ensured to be corresponding; assembling, forming and rotating the vehicle body after flaw detection; the cross member and stringer cross-connect 7 is shown in figure 7.
Step four: general assembly of girder transporting vehicle body:
4a) Drawing out center lines of cross connecting pieces of cross beams and longitudinal beams on two sides of a platform, sequentially arranging the cross connecting pieces of the cross beams and the longitudinal beams of each section, and welding longitudinal beam joints;
4b) Dividing the center lines of the longitudinal beam in two directions as the reference for disassembly and recombination, and dividing the center line of the pin shaft hole of the longitudinal beam joint; disassembling the girder joints of the girder section II and the girder section III, and turning and boring girder joint shaft holes with the sizes phi 85 -0.35 of the section I, the section II, the section IV and the section III; disassembling the girder joints of the first girder section and the second girder section and the girder joints of the third girder section and the fourth girder section, and assembling a girder joint shaft hole with the size phi 85 -0.35 of the second girder section and the third girder section after turning the machine;
4c) Assembling cross connectors of the cross beams and the longitudinal beams on two sides according to the center line of the lofting, and grinding and matching the cross connectors of the cross beams and the longitudinal beams;
4d) A girder is ground and welded on the cross beam, so that the camber of the girder is consistent with that of the longitudinal beam;
4e) Assembling and welding a track, each longitudinal beam joint and a transverse beam joint locating plate on a longitudinal beam, penetrating locating pins, polishing a welding line, detecting a flaw, and then entering a finished product warehouse.
When the girder transporting vehicle body is manufactured, each section is manufactured in a pairwise symmetrical mode, as shown in fig. 9, the girder transporting vehicle body integrally comprises four sections, each section is formed by a main girder and cross connecting pieces of the cross girder and the cross girder (see fig. 9), and each section is manufactured in a pairwise symmetrical mode.
The girder transporting vehicle body assembling method of the invention is to assemble and connect girder transporting vehicle bodies in sections, the occupied cost is reduced, the girder joint pin shaft holes are firstly processed after the cross connecting pieces of the cross beams and the longitudinal girders are assembled and welded with the girder joint, then the girder and the cross connecting pieces of the cross beams are assembled, and the girder joint is not firstly processed and molded and then assembled and welded with the girder, thus the deformation of the girder pin shaft holes caused by welding shrinkage is avoided, the manufacturing precision of the girder pin shaft holes is improved, the installation of pin shafts and the load distribution of the whole vehicle body are not influenced, and the manufacturing precision of the girder transporting vehicle body manufactured by adopting the invention is obviously improved.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. A method of assembling a beam Che Cheti comprising the steps of:
Step one: and (3) assembling a main beam: taking the whole of the lower cover plate of the four sections of main beams as a reference, and integrally erecting a jig frame according to the warping degree curve of the body of the girder transporting vehicle for assembly forming; turning the vehicle body to be assembled after flaw detection;
step two: and the assembly of the longitudinal beam joint and the transverse beam joint is as follows: the longitudinal beam joint and the transverse beam joint are respectively made of an intersection type male and female joint, a transverse beam joint hole is integrally processed on the transverse beam joint, and a longitudinal beam joint hole is processed after the longitudinal beam joint and the longitudinal beam are spliced; turning the vehicle body to be assembled after flaw detection;
Step three: and (3) assembling cross beam and longitudinal beam cross connectors: the upper cover plate and the lower cover plate of the cross beam and the longitudinal beam are respectively assembled and welded to form, a jig frame is marked on the platform and erected according to the warping degree curve, the warping degree curve of the longitudinal beam is manufactured according to the actual warping degree value of the main beam, the warping degree of the main beam is ensured to be consistent with that of the longitudinal beam, the longitudinal beams on two sides are erected at the same time, and the positions of the two sides are ensured to be corresponding; assembling, forming and rotating the vehicle body after flaw detection;
step four: general assembly of girder transporting vehicle body:
4a) Drawing out center lines of cross connecting pieces of cross beams and longitudinal beams on two sides of a platform, sequentially arranging the cross connecting pieces of the cross beams and the longitudinal beams of each section, and welding longitudinal beam joints;
4b) Dividing the center lines of the longitudinal beam in two directions as the reference for disassembly and recombination, and dividing the center line of the pin shaft hole of the longitudinal beam joint; disassembling the girder joints of the girder section II and the girder section III, and turning a machine to bore girder joint shaft holes of the girder joint holes of the girder section I, the girder joint shaft holes of the girder section II, the girder section IV and the girder section III; disassembling the girder joints of the first girder section and the second girder section and the girder joints of the third girder section and the fourth girder section, assembling the girder joint shaft holes of the second girder section and the third girder section, and boring the third girder section by a back turning machine of the third girder section;
4c) Assembling cross connectors of the cross beams and the longitudinal beams on two sides according to the center line of the lofting, and grinding and matching the cross connectors of the cross beams and the longitudinal beams;
4d) A girder is ground and welded on the cross beam, so that the camber of the girder is consistent with that of the longitudinal beam;
4e) Assembling and welding a track, each longitudinal beam joint and a transverse beam joint locating plate on a longitudinal beam, penetrating locating pins, polishing a welding line, detecting a flaw, and then entering a finished product warehouse.
2. The method of beam carrier body assembly of claim 1, wherein: in the first step, when the jig frame is erected, the main beams at the two sides are erected at the same time, so that the positions of the two sides are ensured to be corresponding.
3. The method of beam carrier body assembly of claim 1, wherein: the maximum value of the prefabricated warping degrees of the main beam and the longitudinal beam is 70mm.
4. The method of beam carrier body assembly of claim 1, wherein: and all sections of the main beam are connected by friction plates.
5. A beam carrier body made by the method of beam carrier body assembly of any one of claims 1-4, wherein: the girder transporting vehicle body is of a groove-shaped symmetrical structure, two end parts of the vehicle body are upturned, the girder transporting vehicle body comprises two symmetrical girders (1), two longitudinal girders (2) which are arranged in parallel with the girders (1), eight transverse girders (3) which are perpendicular to the girders (1) and are arranged at intervals, the two longitudinal girders (2) and the eight transverse girders (3) are connected to form a rectangular frame, the two girders (1) are fixed on the frame, each girder comprises a girder section I (11), a girder section II (12), a girder section III (13) and a girder section IV (14), two adjacent sections of each girder are connected by adopting a friction plate (4), each longitudinal girder comprises a girder section I (21), a girder section II (22), a girder section III (23) and a girder section IV (24), two adjacent sections of each longitudinal girder are connected by adopting a girder joint (5), each transverse girder (3) comprises a girder section I (31) and a girder section II (32), and the girder section I (31) and the girder section II (32) are connected by adopting a girder joint (6).
6. The beam carrier vehicle body according to claim 5, wherein: the longitudinal beam joint (5) comprises a male joint and a female joint, and the male joint and the female joint are connected through a pin shaft.
7. The beam carrier vehicle body according to claim 6, wherein: the beam joint (6) comprises a male joint and two female joints, and the male joint and the female joint are connected through a pin shaft.
8. The beam carrier vehicle body according to claim 7, wherein: the prefabricated wane degree of girder and longeron is the same, and the maximum value of prefabricated wane degree is 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507285.XA CN112644585B (en) | 2020-12-18 | Beam transporting vehicle body assembling method and beam transporting vehicle body manufactured by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507285.XA CN112644585B (en) | 2020-12-18 | Beam transporting vehicle body assembling method and beam transporting vehicle body manufactured by same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112644585A CN112644585A (en) | 2021-04-13 |
| CN112644585B true CN112644585B (en) | 2024-06-07 |
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| CN203558706U (en) * | 2013-11-22 | 2014-04-23 | 巨力索具股份有限公司 | Beam type hanger with foldable cross beams |
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| CN107284331A (en) * | 2017-07-12 | 2017-10-24 | 中铁二局集团有限公司 | The beam car of two-way fortune beam on a kind of asymmetric whole opening box girder beam of achievable large-tonnage |
| CN208469807U (en) * | 2018-07-18 | 2019-02-05 | 广东汕头超声电子股份有限公司 | It is a kind of portable quick disassembled to shelve and electronic double track flaw detection vehicle frame |
| CN111496405A (en) * | 2020-03-31 | 2020-08-07 | 广西路桥工程集团有限公司 | Processing and manufacturing method of split type steel box girder |
| CN214296124U (en) * | 2020-12-18 | 2021-09-28 | 巨力索具股份有限公司 | Beam transporting vehicle body |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003327153A (en) * | 2002-05-13 | 2003-11-19 | Hino Motors Ltd | Frame structure for vehicle |
| CN103590337A (en) * | 2012-08-17 | 2014-02-19 | 秦皇岛天业通联重工股份有限公司 | Bridge girder erection machine system and transferring method thereof |
| CN203558706U (en) * | 2013-11-22 | 2014-04-23 | 巨力索具股份有限公司 | Beam type hanger with foldable cross beams |
| CN105735129A (en) * | 2016-02-26 | 2016-07-06 | 江苏中铁山桥重工有限公司 | Full-welding truss section modularized splicing method |
| CN107284331A (en) * | 2017-07-12 | 2017-10-24 | 中铁二局集团有限公司 | The beam car of two-way fortune beam on a kind of asymmetric whole opening box girder beam of achievable large-tonnage |
| CN208469807U (en) * | 2018-07-18 | 2019-02-05 | 广东汕头超声电子股份有限公司 | It is a kind of portable quick disassembled to shelve and electronic double track flaw detection vehicle frame |
| CN111496405A (en) * | 2020-03-31 | 2020-08-07 | 广西路桥工程集团有限公司 | Processing and manufacturing method of split type steel box girder |
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