Frame structure of beam transporting vehicle

Abstract

The utility model belongs to the technical field of beam transporting equipment, and discloses a beam transporting vehicle frame structure which comprises a frame body and a walking device, the frame body comprises a plurality of branch frames connected end to end, connecting pieces are installed at the opposite ends of every two adjacent branch frames, the connecting piece of one branch frame is connected to the connecting piece of the other branch frame through a plurality of split screws and bolts, and the walking device is arranged on the frame body. Compared with a main beam in the prior art, the frame structure of the beam transporting vehicle provided by the utility model has the advantages that the height of the whole machine is reduced, the tunnel passing requirement of the beam transporting vehicle can be met, and the stability of the frame body is not influenced by arranging a screw connecting structure between the sub-frames.

Description

TECHNICAL FIELD

[0001] The utility model relates to beam transport equipment technical field especially relates to a kind of beam transport vehicle frame structure. BACKGROUND

[0002] Beam transport vehicle is a kind of heavy vehicle specially used for transporting large bridge prefabricated components (such as bridge box girder, T beam etc.), and its frame is the key component of beam transport vehicle. Since beam transport vehicle needs to bear very heavy load, its frame must have sufficient structural strength to ensure that deformation or damage does not occur during transportation, and high-strength steel or other suitable alloy materials are usually selected to manufacture the frame in the prior art, which not only has good mechanical properties, but also has certain corrosion resistance. However, the existing frame structure is relatively high, which leads to high overall height when used in beam transport vehicle, and cannot meet the tunneling requirements of beam transport vehicle. SUMMARY

[0003] The utility model aims at providing a kind of beam transport vehicle frame structure, overall height is lower, and structure is stable, can satisfy the tunneling requirements of beam transport vehicle.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A kind of beam transport vehicle frame structure, comprising:

[0006] Frame body, the frame body includes multiple first and last joint sub-frames, the opposite end of adjacent two sub-frames is equipped with connecting piece, and the connecting piece of one of the sub-frames is bolted to the connecting piece of another sub-frame by multiple pairs of tensioning screw rods.

[0007] As preferred, multiple mounting holes are provided between the connecting pieces, the mounting holes penetrate the connecting pieces along the thickness direction of the connecting pieces, and in adjacent two sub-frames, multiple pairs of tensioning screw rods pass through multiple mounting holes on the connecting piece of the front end of one of the sub-frames one by one and are screwed to corresponding mounting holes on the connecting piece of the rear end of another sub-frame.

[0008] As preferred, the connecting piece includes opposite front plate and rear plate, multiple mounting holes are provided between the front plate and the rear plate, a circular tube is connected between the mounting holes of the front plate and the rear plate, the pairs of tensioning screw rods are sequentially arranged through the mounting holes of the front plate, the circular tube and the mounting holes of the rear plate, and nuts are connected to both ends of the pairs of tensioning screw rods.

[0009] As preferred, the frame body is a hollow structure.

[0010] As preferred, a first weight-reducing hole is provided in the middle region of the front plate, and a second weight-reducing hole is provided opposite to the middle region of the rear plate.

[0011] As preferred, the front end and the rear end of the sub-frame are provided with mounting slots, the slot wall of the mounting slot extends to the two side walls of the sub-frame along the first direction, the two ends of the connecting piece along the first direction protrude out of the mounting slot, the part of the connecting piece protruding out of the mounting slot is provided with the mounting hole, and the first direction is the width direction of the frame body.

[0012] As preferred, the frame body is provided with two rows of double-line positions and two rows of single-line positions between the two rows of double-line positions along the second direction, and the second direction is the length direction of the frame body.

[0013] As preferred, a plurality of connecting frames are spaced apart and mounted on the two side walls of the frame body along the first direction, and the double-line positions are correspondingly arranged on the connecting frames, and the first direction is the width direction of the frame body.

[0014] As preferred, one end of the frame body in the length direction has two groups of first positions and one group of second positions, the other end of the frame body in the length direction has one group of third positions and one group of fourth positions, the first positions and the third positions are located on the side walls of the frame body, and the second positions and the fourth positions are located on the bottom of the frame body.

[0015] The frame structure of the beam transport vehicle further comprises a support assembly, in the single-line mode, the support assembly comprises two groups, which are respectively mounted on the second position and the fourth position, in the double-line mode, the support assembly comprises three groups, wherein two groups of the support assembly are respectively mounted on two groups of the first positions, and the other group of the support assembly is mounted on the third position.

[0016] As preferred, the side wall of one end of the frame body is provided with a first connecting seat, and the front side of one end of the frame body is provided with a second connecting seat.

[0017] The beneficial effects of the utility model are as follows:

[0018] 1. The frame body used in the utility model reduces the overall height of the machine, and can meet the needs of the beam transport vehicle passing through the tunnel;

[0019] 2. The frame body is provided as a split bolt connection structure, which can adapt to the transportation of beams of different length specifications, improve the universality, improve the structural stability, ensure the strength of the frame body, and also improve the rigidity of the frame body;

[0020] 3. The connecting piece is arranged between the adjacent sub-frames, which reduces the damage to the sub-frames and reduces the maintenance cost in the later period;

[0021] 4. The single-line position and the double-line position are arranged on the frame body, so that the beam transport vehicle can transport single-line beams in the single-line mode and can transport double-line beams in the double-line mode. Attached Figure Description

[0022] Figure 1 This is a top view of the beam transport vehicle frame structure provided in this embodiment of the utility model;

[0023] Figure 2 yes Figure 1 A magnified view of a section at point A in the middle;

[0024] Figure 3 This is a partial structural diagram of the frame provided in an embodiment of the present utility model;

[0025] Figure 4 yes Figure 3 A magnified view of a section at point B in the middle;

[0026] Figure 5 This is a front view of the beam transport vehicle frame structure provided in this embodiment of the utility model;

[0027] Figure 6 This is a schematic diagram of the beam transport vehicle frame structure provided in this embodiment of the utility model;

[0028] Figure 7 yes Figure 6 A magnified view of a section at point C;

[0029] Figure 8 yes Figure 6 A magnified view of a section at point D;

[0030] Figure 9 This is a schematic diagram of the beam transport vehicle frame structure provided in this embodiment of the utility model. Figure 1 ;

[0031] Figure 10 This is a schematic diagram of the beam transport vehicle frame structure provided in this embodiment of the utility model. Figure 2 .

[0032] In the picture:

[0033] 1. Frame; 11. Subframe; 12. Connector; 121. Mounting hole; 13. Tie rod; 14. Double line position; 15. Single line position; 2. Traveling device; 3. Connecting frame; 41. Drive component; 42. First slide plate; 43. Second slide plate; 5. Slide rail; 6. Cab; 7. First connecting seat; 8. Second connecting seat; 9. Support assembly; X, First position; Y, Second position; Z, Third position; M, Fourth position. Detailed Implementation

[0034] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model and not limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0035] In the description of the utility model, unless explicitly defined and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] In the utility model, unless explicitly defined and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0037] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0038] The beam transport vehicle is a heavy vehicle specially used for transporting large bridge prefabricated components (such as bridge box girder, T beam, etc.), and the frame is the key component of the beam transport vehicle. The overall height of the existing frame is high, which makes it difficult to meet the demand of the beam transport vehicle passing through the tunnel.

[0039] Therefore, the embodiment provides a beam transport vehicle frame structure, please refer to Figures 1-10 The beam transport vehicle frame structure comprises a frame body 1, and the overall height is 1000-1200mm. The overall height reduction affects the stability of the frame body 1, so the frame body 1 of the embodiment comprises a plurality of first and last connected sub-frames 11, and the plurality of sub-frames 11 are connected by screw rods to improve the structural stability.

[0040] Further, please refer to Figures 1-4 , the opposite ends of the two adjacent sub-frames 11 are provided with connecting pieces 12, the connecting pieces 12 of one of the two adjacent sub-frames 11 are bolted to the connecting pieces 12 of the other sub-frame 11 through a plurality of tensioning screws 13, the connecting strength between the sub-frames 11 is improved by providing the connecting pieces 12, the structural stability is improved, and the misalignment of the front and rear sub-frames 11 caused by sudden situations can be avoided, and the damage to the sub-frames 11 is reduced by providing the connecting pieces 12, and the maintenance cost in the later period is reduced.

[0041] Preferably, please refer to Figure 3 and Figure 4 , a plurality of mounting holes 121 are provided on the connecting pieces 12, the mounting holes 121 penetrate the connecting pieces 12 along the thickness direction of the connecting pieces 12, in the two adjacent sub-frames 11, the plurality of tensioning screws 13 pass through the mounting holes 121 on the connecting pieces 12 of one of the two sub-frames 11 one by one, and are screwed to the corresponding mounting holes 121 on the connecting pieces 12 of the other sub-frame 11, the mounting positions for the tensioning screws 13 are reserved by providing the mounting holes 121 on the connecting pieces 12, and the deformation of the sub-frames 11 caused by the tension after a long time of use can be avoided. Further preferably, a plurality of rows of mounting holes 121 are provided on the connecting pieces 12, so as to further increase the number of the tensioning screws 13 connecting the two connecting pieces 12, and the connecting strength between the two connecting pieces 12 is improved.

[0042] Illustratively, the connecting piece 12 includes a front plate and a rear plate arranged opposite to each other, the front plate and the rear plate are arranged along the second direction, a plurality of mounting holes 121 are provided on the front plate and a plurality of mounting holes 121 are provided on the rear plate, a plurality of circular tubes are arranged between the mounting holes 121 of the front plate and the mounting holes 121 of the rear plate, the tensioning screws 13 pass through the mounting holes 121 of the front plate, the circular tubes and the mounting holes 121 of the rear plate in sequence, and the two ends of the tensioning screws 13 are fixed by nuts.

[0043] Preferably, please refer to 3- Figure 5 In the embodiment, the frame body 1 is a hollow structure, the sub-frame 11 includes a top plate, a bottom plate and four side plates, and the top plate, the bottom plate and the four side plates and the connecting pieces 12 form a hollow structure to reduce the overall weight. Further, the middle regions of the two side plates of the sub-frame 11 arranged along the second direction are provided with hollow holes, so as to further reduce the weight, and the second direction is the length direction of the frame body 1.

[0044] Further preferably, the middle region of the front plate of the connecting piece 12 is provided with a first weight-reducing hole, and the middle region of the rear plate of the connecting piece 12 is provided with a second weight-reducing hole, so as to further strengthen the weight-reducing effect.

[0045] Optionally, the front end and the rear end of the sub-frame 11 are provided with mounting slots, and the slot walls of the mounting slots extend to the two side walls of the sub-frame 11 along the first direction, which is the width direction of the frame body 1, that is, the two side plates of the sub-frame 11 along the second direction are both provided with mounting slots, and the mounting slots penetrate the side plates of the sub-frame 11, preferably, the mounting slots are provided along the first direction, and the connecting pieces 12 are embedded in the mounting slots along the first direction, so as to ensure that the tensioning screw rod 13 applies a force parallel to the second direction to the connecting pieces 12, and ensure the connection strength.

[0046] In the embodiment, the outer wall of the connecting piece 12 is circumferentially welded to the slot wall of the mounting slot, which has large connection strength and is convenient to operate.

[0047] Preferably, both ends of the connecting piece 12 in the length direction protrude out of the mounting slot, and the part of the connecting piece 12 protruding out of the mounting slot is provided with a mounting hole 121, which increases the connection area between the two connecting pieces 12, so that the force distribution area along the first direction is greater than the width of the sub-frame 11, further improving the connection strength and avoiding the mispositioning of the two sub-frames 11, and reducing the probability of the sub-frame 11 being separated during the turning movement of the frame body 1.

[0048] The frame body 1 is provided with two rows of double-line positions 14 and two rows of single-line positions 15 between the two rows of double-line positions 14 along the second direction, which are used to transport single-line beams in single-line mode, and a plurality of walking devices 2 are sequentially installed in the plurality of single-line positions 15, and are used to transport double-line beams in double-line mode, and a plurality of walking devices 2 are sequentially installed in the plurality of double-line positions 14, and the second direction is the length direction of the frame body 1. Preferably, the single-line positions 15 and the double-line positions 14 are both provided with flanges.

[0049] Specifically, the two rows of single-line positions 15 are arranged at the bottom of the frame body 1.

[0050] Optionally, referring to Figure 1 and Figure 6 , the frame body 1 is provided with a plurality of connecting frames 3 spaced apart along the first direction on the two side walls, the plurality of connecting frames 3 on the same side are spaced apart along the second direction, the connecting frame 3 extends away from the frame body 1, and a plurality of walking devices 2 are sequentially installed on the plurality of connecting frames 3 in double-line mode.

[0051] By selectively installing the walking device 2 on the bottom of the frame body 1 or the bottom of the connecting frame 3, the uniformity of the load distribution on the top cover plate of the frame body 1 can be improved, and local stress exceeding the limit can be avoided to cause structural damage or deformation.

[0052] Further, the frame body 1 is also provided with a piggyback beam device for assisting the beam to enter or exit the frame body 1.

[0053] Please refer to Figures 6-8The dolly beam device comprises a driving member 41, a first sliding plate 42 and a second sliding plate 43, the first sliding plate 42 and the second sliding plate 43 are slidingly installed on the top of the frame body 1 along the second direction, the beam is placed on the first sliding plate 42 and the second sliding plate 43 during transportation, the driving member 41 drives the first sliding plate 42 to slide, thereby driving the beam to enter or exit the frame body 1 along the second direction.

[0054] Preferably, the driving member 41 is selected from a frequency conversion motor reducer, which has stable operation and good synchronism.

[0055] Preferably, the length of the first sliding plate 42 and the second sliding plate 43 is 3.6 m, the width is 0.85 m, and the height is 0.26 m. By setting the first sliding plate 42 and the second sliding plate 43, on the one hand, the convenience of the beam entering the frame body 1 is improved, and it is ensured that the beam can be stably placed on the frame body 1; on the other hand, by setting the first sliding plate 42 and the second sliding plate 43 with low height, the overall vehicle tunnel height is reduced.

[0056] Further, rubber pads are arranged on the top of both ends of the first sliding plate 42 and both ends of the second sliding plate 43 to buffer the pressure of the beam on the first sliding plate 42 and the second sliding plate 43.

[0057] The top of the frame body 1 is also provided with sliding rails 5, the sliding rails 5 are arranged along the second direction, and the first sliding plate 42 and the second sliding plate 43 are slidingly connected to the sliding rails 5.

[0058] In the embodiment, two sliding rails 5 are arranged at intervals on the top of the frame body 1, both of the sliding rails 5 are arranged along the second direction, both ends of the first sliding plate 42 are slidingly connected to the two sliding rails 5 respectively, and both ends of the second sliding plate 43 are slidingly connected to the two sliding rails 5 respectively, so as to improve the sliding stability of the first sliding plate 42 and the second sliding plate 43.

[0059] The bottom of the first sliding plate 42 is provided with two first grooves, the two sliding rails 5 are respectively clamped in the two first grooves at the bottom of the first sliding plate 42, and the outer wall of the sliding rail 5 circumferentially abuts against the groove wall of the first groove; similarly, the bottom of the second sliding plate 43 is provided with two second grooves, the two sliding rails 5 are respectively clamped in the two second grooves at the bottom of the second sliding plate 43, and the outer wall of the sliding rail 5 circumferentially abuts against the groove wall of the second groove. Further preferably, the cross section of the sliding rail 5 is rectangular.

[0060] For example, both ends of the sliding rail 5 extend to both ends of the frame body 1 in the length direction, so as to improve the utilization rate of the length space of the frame body 1, so as to ensure that the beam can be loaded on the frame body 1 as a whole, and prevent the end of the beam from being suspended.

[0061] Preferably, the first sliding plate 42 and the second sliding plate 43 are provided with buckles and slots respectively on the side close to each other, the buckles are clamped in the slots, thereby realizing the connection of the first sliding plate 42 and the second sliding plate 43. In the idle state, the first sliding plate 42 is driven to slide, and the first sliding plate 42 and the second sliding plate 43 are connected through the buckle-slot structure, and the first sliding plate 42 is further driven to slide, thereby driving the second sliding plate 43 to slide to the front end of the frame body 1 together, so as to realize the storage and adjustment of the position of the second sliding plate 43.

[0062] Compared with the existing frame body structure, the height of the whole machine is obviously reduced, and the demand of the beam transport vehicle passing through the tunnel can be met. Specifically, the height of the whole machine is reduced by 200mm.

[0063] The process of the beam carrying device transporting the single-line beam or the double-line beam into or out of the frame body 1 is as follows:

[0064] According to the specification of the beam to be transported, the positions of the first sliding plate 42 and the second sliding plate 43 are adjusted, so that the distance between the center position a of the line connecting the first sliding plate 42 and the second sliding plate 43 and the center position b of the frame body 1 satisfies the preset range, and at the same time, the distance between the first sliding plate 42 and the second sliding plate 43 is equal to the length of the beam to be transported, so as to ensure that the load on the cover plate of the frame body 1 is uniform, the beam to be transported can be stably transported, one end of the single-line beam or the double-line beam is placed on the first sliding plate 42, the other end of the single-line beam or the double-line beam is stably placed on the second sliding plate 43, the driving assembly drives the first sliding plate 42 to slide along the slide rail 5, thereby gradually transporting the single-line beam or the double-line beam into or out of the frame body 1 together with the first sliding plate 42, and after completion, the first sliding plate 42 and the second sliding plate 43 are retreated to the corresponding positions according to the specification of the next beam to be transported.

[0065] Optionally, the distance between a and b can be 0, i.e. the distance between a and b is 0, and further optionally, it can also be 2800-3500mm, preferably 3000mm. For different length specifications of the beam to be transported, the suitable preset range is set to ensure more uniform load distribution and more stable beam transport vehicle.

[0066] Please refer to Figure 7 , the frame body 1 is also provided with a cab 6, and the operator operates in the cab 6. Since the widths of the beams are different, the space occupied by the overall structure during transportation is different. In order to ensure the driving field of view, the installation position of the cab 6 is different, that is, the position of the cab 6 in the width direction of the frame body 1 is adjustable.

[0067] Specifically, the first connecting seat 7 is mounted on the side wall of the end of the frame body 1 in the second direction, and the second connecting seat 8 is mounted on the front side of the end of the frame body 1 and is mounted on the connecting frame 3 of the end of the frame body 1 in the second direction. In the single-line mode, the cab 6 is mounted on the first connecting seat 7, and in the double-line mode, the cab 6 is mounted on the second connecting seat 8, so as to adjust the position of the cab 6 in the width direction of the frame body 1. By mounting the second connecting seat 8 on the front side of the first connecting seat 7, the connecting frame 3 does not affect the mounting of the cab 6 on the first connecting seat 7.

[0068] The embodiment has two cabs 6, which are respectively located at the two ends of the frame body 1 in the second direction. When the frame body 1 moves in different directions, the operator is located in the corresponding cab 6.

[0069] Preferably, the back of the cab 6 is provided with a support, and the end of the support is rotatably mounted on the first connecting seat 7 or the second connecting seat 8 by a pin shaft. The first connecting seat 7 and the second connecting seat 8 are provided with an axis hole in the vertical direction, and the pin shaft is rotatably mounted in the axis hole, and the axis of the pin shaft is vertically arranged. In the process of transporting the beam into or out of the frame body 1 from one end of the frame body 1, the cab 6 close to the end is rotated to avoid the beam.

[0070] Please refer to Figure 9 and Figure 10 The frame structure of the beam transport vehicle provided by the embodiment further comprises a support assembly 9 for supporting the frame body 1. Specifically, one end of the frame body 1 in the length direction has two groups of first positions X and one group of second positions Y, and the other end of the frame body 1 in the length direction has one group of third positions Z and one group of fourth positions M. The first positions X and the third positions Z are located on the side wall of the frame body 1, and the second positions Y and the fourth positions M are located on the bottom of the frame body 1. In the single-line mode, the support assembly 9 includes two groups, which are respectively mounted on the second positions Y and the fourth positions M. In the double-line mode, the support assembly 9 includes three groups, two of which are respectively mounted on the two groups of first positions X, and the other group is mounted on the third position Z.

[0071] Compared with the main beam of the prior art, the height of the whole machine is reduced by 200 mm, and the stability of the frame body is not affected by the screw rod connecting structure between the sub-frames 11.

[0072] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. A beam transport vehicle frame structure, characterized by, The utility model relates to a rack body (1) comprising a plurality of first and last split racks (11), the opposite ends of adjacent two split racks (11) are provided with connecting pieces (12), and the connecting piece (12) of one split rack (11) is bolted to the connecting piece (12) of another split rack (11) through a plurality of opposite screw rods (13). The connecting piece (12) is provided with a plurality of mounting holes (121) at intervals, the mounting hole (121) penetrates the connecting piece (12) along the thickness direction of the connecting piece (12), and in adjacent two split racks (11), a plurality of opposite screw rods (13) pass through the mounting hole (121) on the connecting piece (12) at the front end of one split rack (11) one by one and are screwed into the corresponding mounting hole (121) on the connecting piece (12) at the rear end of another split rack (11).

2. The beam transport vehicle frame structure according to claim 1, wherein The connecting piece (12) comprises a front plate and a rear plate arranged opposite to each other, a plurality of mounting holes (121) are arranged at intervals on the front plate and the rear plate, a circular tube is connected between the mounting hole (121) of the front plate and the mounting hole (121) of the rear plate, the opposite screw rod (13) passes through the mounting hole (121) of the front plate, the circular tube and the mounting hole (121) of the rear plate in sequence, and the two ends of the opposite screw rod (13) are connected with nuts.

3. The beam transport vehicle frame structure according to claim 2, wherein The rack body (1) is a hollow structure.

4. The beam transport vehicle frame structure according to claim 1, wherein A first weight-reducing hole is arranged in the middle region of the front plate, and a second weight-reducing hole is arranged opposite to the middle region of the rear plate.

5. The beam transport vehicle frame structure according to claim 3, wherein The front end and the rear end of the split rack (11) are provided with mounting grooves, the groove wall of the mounting groove extends to the two side walls of the split rack (11) along a first direction, the two ends of the connecting piece (12) along the first direction protrude out of the mounting groove, the part of the connecting piece (12) protruding out of the mounting groove is provided with the mounting hole (121), and the first direction is the width direction of the rack body (1).

6. The beam transport vehicle frame structure according to claim 2, wherein The rack body (1) is provided with two rows of double-line positions (14) and two rows of single-line positions (15) between the two rows of double-line positions (14) along a second direction, and the second direction is the length direction of the rack body (1).

7. The beam transport vehicle frame structure according to claim 1, wherein A plurality of connecting racks (3) are arranged at intervals along the two side walls of the rack body (1) along a first direction, the double-line position (14) is arranged on the connecting rack (3) correspondingly, and the first direction is the width direction of the rack body (1).

8. The beam transport vehicle frame structure according to claim 7, wherein, One end of the rack body (1) in the length direction has two groups of first positions (X) and one group of second positions (Y), the other end of the rack body (1) in the length direction has one group of third positions (Z) and one group of fourth positions (M), the first position (X) and the third position (Z) are located on the side wall of the rack body (1), and the second position (Y) and the fourth position (M) are located on the bottom of the rack body (1).

9. The beam transport vehicle frame structure according to claim 1, wherein, ​ The girder vehicle frame structure further comprises support assemblies, in single-line mode, the support assemblies comprise two groups, which are respectively installed at the second position (Y) and the fourth position (M), in double-line mode, the support assemblies comprise three groups, two groups of the support assemblies are respectively installed at two groups of the first positions (X), and the other group of the support assemblies is installed at the third position (Z).

10. The beam transport vehicle frame structure according to claim 1, wherein The side wall of one end of the frame body (1) is provided with a first connecting seat (7), and the front side of one end of the frame body (1) is provided with a second connecting seat (8).

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