CN112644585A - Method for assembling body of beam transporting vehicle and beam transporting vehicle body manufactured by method - Google Patents
Method for assembling body of beam transporting vehicle and beam transporting vehicle body manufactured by method Download PDFInfo
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- CN112644585A CN112644585A CN202011507285.XA CN202011507285A CN112644585A CN 112644585 A CN112644585 A CN 112644585A CN 202011507285 A CN202011507285 A CN 202011507285A CN 112644585 A CN112644585 A CN 112644585A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000003466 welding Methods 0.000 claims abstract description 17
- 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
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 4
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Bridges Or Land Bridges (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention discloses a method for assembling a girder transporting vehicle body and a girder transporting vehicle body manufactured by the method, and belongs to the field of hoisting and transporting equipment. The method for assembling the girder transporting vehicle body has the advantages that the girder transporting vehicle body is assembled and connected in sections, the occupied area cost is reduced, the longitudinal beam joint pin hole is firstly processed after the cross connecting piece of the transverse beam and the longitudinal beam is assembled and welded with the longitudinal beam joint, then the main beam and the transverse beam longitudinal beam cross connecting piece are assembled, but the longitudinal beam joint is firstly processed and formed and then assembled and welded with the longitudinal beam, so that the deformation of the longitudinal beam pin hole caused by welding shrinkage is avoided, the manufacturing precision of the longitudinal beam pin hole is improved, the installation of the pin shaft and the load distribution of the whole vehicle body are not influenced, and the manufacturing precision of the girder transporting vehicle body manufactured by the method 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 girder transporting vehicle body.
Background
The concrete precast box girder with the weight of 1000t and the length of 40m needs to be transported from a precast girder site to a girder erection site by using a girder transporting vehicle. The total weight of an existing beam 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 net-shaped groove structure is adopted, a main beam is connected with a longitudinal beam through a cross beam, the main beam and the longitudinal beam are of parallel structures, and the same warping degree needs to be manufactured. The method has the advantages that the warping degree of the main beam and the longitudinal beam is guaranteed to be consistent, and the connection size of the joint of each section is guaranteed. Each section of the main beam is connected through a high-strength friction type bolt, each section of the longitudinal beam is connected through a longitudinal beam joint, the longitudinal beam joint adopts an interleaved male and female joint, and the processing quality of a pin shaft hole of the male and female joint directly influences the whole warping degree value of the vehicle body. If the longitudinal beam joint is machined and formed firstly, the longitudinal beam pin shaft hole is deformed due to welding shrinkage when the longitudinal beam joint and the longitudinal beam are assembled and welded, and the installation of the pin shaft and the load distribution of the whole vehicle body are influenced. If the longitudinal beam pin shaft holes are machined after the whole body is assembled and molded, the requirements on machining equipment and a machining field are strict due to the large size of the whole vehicle body, the time for occupying the large machining field is long, and the occupied area is high. Therefore, a processing method which has low floor occupation cost and can improve the precision of the longitudinal beam pin shaft holes is urgently needed to process the beam-transporting vehicle body meeting the requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for assembling a girder transporting vehicle body and the girder transporting vehicle body, which have low floor occupation cost and can improve the precision of longitudinal beam pin shaft holes so as to improve the vehicle body precision of the girder transporting vehicle.
The method for assembling the body of the beam transporting vehicle comprises the following steps:
the method comprises the following steps: assembling the main beam: taking the whole of the lower cover plate of the four sections of main beams as a reference, and integrally erecting and forming a jig frame according to the warping curve of the body of the beam transporting vehicle; turning the vehicle body to assemble after flaw detection;
step two: assembling a longitudinal beam joint and a transverse beam joint: the longitudinal beam joint and the cross beam joint are both of an interleaved male joint and a female joint, the male joint and the female joint are manufactured simultaneously, and cross beam joint holes are integrally machined in the cross beam joint; splicing the longitudinal beam joint and the longitudinal beam, and then processing a longitudinal beam joint hole; turning the vehicle body to assemble after flaw detection;
step three: assembling cross beam and longitudinal beam cross connecting pieces: the upper cover plate and the lower cover plate of the cross beam and the longitudinal beam are respectively formed by assembly welding in advance, a line is drawn on the platform, a jig frame is erected according to a camber curve, the camber curve of the longitudinal beam is manufactured according to the actual camber value of the main beam, the camber of the main beam and the camber of the longitudinal beam are ensured to be consistent, the longitudinal beams on two sides are erected simultaneously, and the positions of the two sides are ensured to be corresponding; assembling and forming, and turning the vehicle body after flaw detection;
step four: and (3) general assembly of the girder transporting vehicle body:
4a) laying out a platform, marking out the central lines of cross connecting pieces of the cross beams and the longitudinal beams on the two sides, sequentially laying the cross connecting pieces of the cross beams and the longitudinal beams of each section, and welding longitudinal beam joints in a matching manner;
4b) marking central lines of the longitudinal beam in two directions as a reference when disassembling and recombining, and marking the central line of a pin shaft hole of a joint of the longitudinal beam; disassembling the longitudinal beam joints of the longitudinal beam section II and the longitudinal beam section III, and turning and boring the longitudinal beam joint shaft holes of the section I and the section II, the section IV and the section III; disassembling the longitudinal beam joints of the first longitudinal beam section and the second longitudinal beam section and the longitudinal beam joints of the third longitudinal beam section and the fourth longitudinal beam section, and turning and boring the longitudinal beam joint shaft holes of the third longitudinal beam section after assembling the second longitudinal beam section and the third longitudinal beam section;
4c) assembling cross connecting pieces of the cross beams and the longitudinal beams on the two sides according to the lofting center line, and bedding out corresponding cross beam joints;
4d) a main beam is arranged on the cross beam in an abrasive manner, so that the camber of the main beam is consistent with that of the longitudinal beam;
4e) and assembling and welding the rails, the longitudinal beam joints and the cross beam joint positioning plates on the longitudinal beams, penetrating positioning pins, polishing the welding seams, detecting flaws, and then putting the finished products into a finished product warehouse.
According to the method for assembling the body of the beam transporting vehicle, in the first step, when the jig frame is erected, the main beams on two sides are erected at the same time, and the positions of the two sides are ensured to be corresponding.
According to the method for assembling the girder transporting vehicle body, the maximum value of the prefabricated warping degree of the main girder and the longitudinal girder is 70 mm.
The invention relates to a method for assembling a body of a girder transporting vehicle, wherein all sections of a main girder are connected by friction plates.
The invention relates to a girder transporting vehicle body which is of a groove-shaped symmetrical structure, wherein two end parts of the vehicle body are upturned, the girder transporting vehicle body comprises two symmetrically arranged main girders, two longitudinal girders parallel to the main girders and eight cross girders perpendicular to the main girders and arranged at intervals, the two longitudinal girders and the eight cross girders are connected into a rectangular frame, the two main girders are fixed on the frame, each main girder comprises a main girder segment I, a main girder segment II, a main girder segment III and a main girder segment IV, two adjacent segments of each main girder are connected by adopting a friction plate, each longitudinal girder comprises a longitudinal girder segment I, a longitudinal girder segment II, a longitudinal girder segment III and a longitudinal girder segment IV, two adjacent segments of each longitudinal girder are connected by adopting a longitudinal girder joint, each cross girder comprises a cross girder segment I and a cross girder segment II, and.
The invention relates to a girder transporting vehicle body, wherein a longitudinal beam joint comprises a male joint and a female joint, and the male joint and the female joint are connected through a pin shaft.
The beam transporting vehicle body comprises a beam connector, a beam connector and a beam transporting vehicle body, wherein the beam connector comprises a male connector and two female connectors, and the male connector and the female connectors are connected through a pin shaft.
According to the girder transporting vehicle body, 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 70 mm.
The invention has the beneficial effects that:
the method for assembling the girder transporting vehicle body has the advantages that the girder transporting vehicle body is assembled and connected in sections, the occupied area cost is reduced, the longitudinal beam joint pin hole is firstly processed after the cross connecting piece of the transverse beam and the longitudinal beam is assembled and welded with the longitudinal beam joint, then the cross connecting piece of the main beam and the transverse beam and the longitudinal beam is assembled instead of firstly processing and forming the longitudinal beam joint and then assembling and welding the longitudinal beam joint with the longitudinal beam, so that the deformation of the longitudinal beam pin hole due to welding shrinkage is avoided, the manufacturing precision of the longitudinal beam pin hole is improved, and the installation of the pin shaft and the load distribution of the whole vehicle body are not influenced.
According to the girder transporting vehicle body, the manufacturing precision is improved after the method for assembling the girder transporting vehicle body is adopted.
The invention is further explained by the following method for assembling the girder transporting vehicle body with the attached drawings.
Drawings
FIG. 1 is an overall structure diagram of a girder transporting vehicle body in the invention;
FIG. 2 is a front view of the body of the girder transporting vehicle;
FIG. 3 is a top view of the body of the girder transport vehicle;
FIG. 4 is a front view of a stringer joint;
FIG. 5 is a front view of the beam joint;
FIG. 6 is a front view of the main beam;
FIG. 7 is a schematic view of a cross beam to stringer cross connection;
FIG. 8 is a side view of the body of the girder transport vehicle;
FIG. 9 is a schematic view of the cross-connection of the cross beams to the stringers and the main beam;
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 of the invention has a total length of 51.25m, a width of 8m and a height of 2.93m, two end portions of the vehicle body are upwarped, the warp degree reaches 70mm, the vehicle body of the girder transporting vehicle is of a groove-shaped symmetrical structure and comprises two symmetrically arranged main girders 1, two longitudinal girders 2 arranged in parallel with the main girders 1 and eight cross girders 3 arranged perpendicular to the main girders 1 at intervals, the two longitudinal girders 2 and the eight cross girders 3 are connected into a rectangular frame, the two main girders 1 are fixed on the frame (see fig. 10), each main girder comprises a first main girder segment 11, a second main girder segment 12, a third main girder segment 13 and a fourth main girder segment 14, two adjacent segments of each main girder are connected by a friction plate 4 matched with a high-strength friction type bolt (see fig. 6), each longitudinal girder comprises a first longitudinal girder segment 21, a second longitudinal girder segment 22, a third longitudinal girder segment 23 and a fourth longitudinal girder segment 24, two adjacent, each beam 3 comprises a first beam section 31 and a second beam section 32, and the first beam section 31 and the second beam section 32 are connected through a beam joint 6 matched with a pin shaft.
As shown in fig. 4, the longitudinal beam joint 5 comprises a male joint 51 and a female joint 52, and as shown in fig. 5, the transverse beam joint 6 comprises a male joint 61 and two female joints 62, which are connected with each other through a pin 8.
The prefabricated warp degree of girder 1 and longeron 2 is the same, and the maximum value of prefabricated warp degree is 70 mm.
The method for assembling the body of the beam transporting vehicle comprises the following steps:
the method comprises the following steps: assembling the main beam 1: taking the whole of the lower cover plates of the four sections of main beams as a reference, integrally erecting a jig frame assembly according to a warping curve of a vehicle body of the beam transport vehicle, and when erecting the jig frame, erecting the main beams on two sides simultaneously to ensure that the positions of the two sides are corresponding; and (5) turning the vehicle body to assemble after flaw detection.
Step two: assembling of longitudinal beam joint 5 and cross beam joint 6: the longitudinal beam joint 5 and the cross beam joint 6 both adopt an interleaved male and female joint, the male and female joints are manufactured simultaneously, and the overall machining size on the cross beam joint is phi 85-0.35A beam joint hole of (a); and (5) turning the vehicle body to assemble after flaw detection.
Step three: assembling of cross beam and longitudinal beam cross connecting piece 7: the upper cover plate and the lower cover plate of the cross beam and the longitudinal beam are respectively formed by assembly welding in advance, a line is drawn on the platform, a jig frame is erected according to a camber curve, the camber curve of the longitudinal beam is manufactured according to the actual camber value of the main beam, the uniform camber of the main beam 1 and the longitudinal beam 2 is ensured, the longitudinal beams 2 on two sides are erected simultaneously, and the positions of the two sides are ensured to be corresponding; assembling and forming, and turning the vehicle body after flaw detection; the cross beam to stringer cross-connect 7 is shown in figure 7.
Step four: and (3) general assembly of the girder transporting vehicle body:
4a) laying out a platform, marking out the central lines of cross connecting pieces of the cross beams and the longitudinal beams on the two sides, sequentially laying the cross connecting pieces of the cross beams and the longitudinal beams of each section, and welding longitudinal beam joints in a matching manner;
4b) marking central lines of the longitudinal beam in two directions as a reference when disassembling and recombining, and marking the central line of a pin shaft hole of a joint of the longitudinal beam; disassembling the longitudinal beam joints of the longitudinal beam section two and the longitudinal beam section three, and turning and boring the longitudinal beam joints of the section one and the section two, the section four and the section three with the dimension phi 85-0.35The longitudinal beam joint shaft hole; the longitudinal beam joints of the first longitudinal beam section and the second longitudinal beam section and the longitudinal beam joints of the third longitudinal beam section and the fourth longitudinal beam section are disassembled, and the size of the third longitudinal beam section is phi 85 after the second longitudinal beam section and the third longitudinal beam section are assembled and the third longitudinal beam section is machined and bored by a rotary machine-0.35The longitudinal beam joint shaft hole;
4c) assembling cross connecting pieces of the cross beams and the longitudinal beams on the two sides according to the lofting center line, and bedding out corresponding cross beam joints;
4d) a main beam is arranged on the cross beam in an abrasive manner, so that the camber of the main beam is consistent with that of the longitudinal beam;
4e) and assembling and welding the rails, the longitudinal beam joints and the cross beam joint positioning plates on the longitudinal beams, penetrating positioning pins, polishing the welding seams, detecting flaws, and then putting the finished products into 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 whole girder transporting vehicle body comprises four sections, each section consists of a main girder, a cross beam and a longitudinal beam cross connecting piece (see fig. 9), and each section is manufactured in a pairwise symmetrical mode.
The method for assembling the girder transporting vehicle body has the advantages that the girder transporting vehicle body is assembled and connected in sections, the occupied area cost is reduced, the longitudinal beam joint pin hole is firstly processed after the cross connecting piece of the transverse beam and the longitudinal beam is assembled and welded with the longitudinal beam joint, then the main beam and the transverse beam longitudinal beam cross connecting piece are assembled, but the longitudinal beam joint is firstly processed and formed and then assembled and welded with the longitudinal beam, so that the deformation of the longitudinal beam pin hole caused by welding shrinkage is avoided, the manufacturing precision of the longitudinal beam pin hole is improved, the installation of the pin shaft and the load distribution of the whole vehicle body are not influenced, and the manufacturing precision of the girder transporting vehicle body manufactured by the method is obviously improved.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. A method for assembling a girder transporting vehicle body is characterized by comprising the following steps:
the method comprises the following steps: assembling the main beam: taking the whole of the lower cover plate of the four sections of main beams as a reference, and integrally erecting and forming a jig frame according to the warping curve of the body of the beam transporting vehicle; turning the vehicle body to assemble after flaw detection;
step two: assembling a longitudinal beam joint and a transverse beam joint: the longitudinal beam joint and the transverse beam joint are both of an interleaved male joint and a female joint, the male joint and the female joint are manufactured simultaneously, a transverse beam joint hole is integrally machined in the transverse beam joint, and the longitudinal beam joint hole is machined after the longitudinal beam joint and the longitudinal beam are spliced; turning the vehicle body to assemble after flaw detection;
step three: assembling cross beam and longitudinal beam cross connecting pieces: the upper cover plate and the lower cover plate of the cross beam and the longitudinal beam are respectively formed by assembly welding in advance, a line is drawn on the platform, a jig frame is erected according to a camber curve, the camber curve of the longitudinal beam is manufactured according to the actual camber value of the main beam, the camber of the main beam and the camber of the longitudinal beam are ensured to be consistent, the longitudinal beams on two sides are erected simultaneously, and the positions of the two sides are ensured to be corresponding; assembling and forming, and turning the vehicle body after flaw detection;
step four: and (3) general assembly of the girder transporting vehicle body:
4a) laying out a platform, marking out the central lines of cross connecting pieces of the cross beams and the longitudinal beams on the two sides, sequentially laying the cross connecting pieces of the cross beams and the longitudinal beams of each section, and welding longitudinal beam joints in a matching manner;
4b) marking central lines of the longitudinal beam in two directions as a reference when disassembling and recombining, and marking the central line of a pin shaft hole of a joint of the longitudinal beam; disassembling the longitudinal beam joints of the longitudinal beam section II and the longitudinal beam section III, and turning and boring the longitudinal beam joint shaft holes of the section I and the section II, the section IV and the section III; disassembling the longitudinal beam joints of the first longitudinal beam section and the second longitudinal beam section and the longitudinal beam joints of the third longitudinal beam section and the fourth longitudinal beam section, and turning and boring the longitudinal beam joint shaft holes of the third longitudinal beam section after assembling the second longitudinal beam section and the third longitudinal beam section;
4c) assembling cross connecting pieces of the cross beams and the longitudinal beams on the two sides according to the lofting center line, and bedding out corresponding cross beam joints;
4d) a main beam is arranged on the cross beam in an abrasive manner, so that the camber of the main beam is consistent with that of the longitudinal beam;
4e) and assembling and welding the rails, the longitudinal beam joints and the cross beam joint positioning plates on the longitudinal beams, penetrating positioning pins, polishing the welding seams, detecting flaws, and then putting the finished products into a finished product warehouse.
2. The method of assembling a body of a girder transport vehicle according to claim 1, wherein: in the first step, when the jig frame is erected, the main beams on the two sides are erected at the same time, and the positions of the two sides are ensured to be corresponding.
3. The method of assembling a body of a girder transport vehicle according to claim 1, wherein: the maximum value of the prefabricated warping degree of the main beam and the longitudinal beam is 70 mm.
4. The method of assembling a body of a girder transport vehicle according to claim 1, wherein: and all sections of the main beam are connected by friction plates.
5. A girder vehicle body made by the method of assembling a girder vehicle body according to any one of claims 1 to 4, wherein: fortune roof beam car automobile body is recess shape symmetrical structure, the automobile body both ends upwarp, girder (1) including two symmetries setting, two longerons (2) with girder (1) parallel arrangement, eight crossbeam (3) that set up with perpendicular just interval of girder (1), two longerons (2) connect into rectangular frame with eight crossbeam (3), two girder (1) are fixed in on the frame, every girder includes girder segment one (11), girder segment two (12), girder segment three (13), girder segment four (14), adopt friction plate (4) to connect between two adjacent segments of every girder, every longeron includes longeron segment one (21), longeron segment two (22), longeron segment three (23), longeron segment four (24), adopt longeron to connect (5) between two adjacent segments of every longeron, every crossbeam (3) include crossbeam segment one (31), And the first beam section (31) is connected with the second beam section (32) by a beam joint (6).
6. The girder transport vehicle body of 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 girder transport vehicle body of claim 6, wherein: the beam joint (6) comprises a male joint and two female joints, and the male joint and the female joints are connected through a pin shaft.
8. The girder transport vehicle body of claim 7, wherein: the prefabricated warp degree of girder and longeron is the same, and the maximum value of prefabricated warp degree is 70 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011507285.XA CN112644585B (en) | 2020-12-18 | 2020-12-18 | Beam transporting vehicle body assembling method and beam transporting vehicle body manufactured by same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011507285.XA CN112644585B (en) | 2020-12-18 | 2020-12-18 | Beam transporting vehicle body assembling method and beam transporting vehicle body manufactured by same |
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| CN112644585A true CN112644585A (en) | 2021-04-13 |
| CN112644585B CN112644585B (en) | 2024-06-07 |
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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 |
-
2020
- 2020-12-18 CN CN202011507285.XA patent/CN112644585B/en active Active
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 |
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