Ultra-long offshore heavy-load lifting appliance

By designing an extra-long offshore heavy-load lifting sling with a main beam and side beam structure and using heavy-duty pin connections, the problem of cumbersome lifting point adjustment of traditional slings is solved, and rapid adjustment of lifting point positions and efficient lifting are achieved.

CN223409202UActive Publication Date: 2025-10-03JULI SLING STOCK CO LTD
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Patent Information

Application Number
CN202422785894.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-10-03
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

Traditional extra-long heavy-load spreaders are cumbersome and inefficient to adjust the lifting point positions, require auxiliary equipment, and are unable to efficiently complete the adjustment of multiple lifting point positions.

Method used

An extra-long offshore heavy-load lifting sling has been designed, which adopts a main beam and side beam structure and is connected by heavy-duty pins to realize the plug-in and pull-out adjustment of the lifting point rod, simplifying the adjustment of the lifting point position and adapting to different lifting requirements.

Benefits of technology

It realizes the quick and easy adjustment of the lifting point position, improves the lifting efficiency, reduces the operating labor intensity, and ensures safety and cost-effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a super-long offshore heavy-load lifting appliance which comprises a main beam and two side beams, a plurality of lifting point rods are arranged in the main beam and the two side beams, a first upper lug plate and a first lower lug plate are respectively fixed on two sides of the main beam, the first lower lug plate is arranged below the first upper lug plate, one lifting point rod is fixed on the first lower lug plate, and the other lifting point rod is arranged below the first lower lug plate. A second upper lug plate and a second lower lug plate are fixed to one side of the side beam, the second lower lug plate is located below the second upper lug plate, an outer lifting point is fixed to the other side of the side beam, and the first lower lug plate and the first upper lug plate on the two sides of the main beam are inserted between the second lower lug plate and the second upper lug plate on one side of the side beam respectively. The heavy pin shaft penetrates through the first lower lug plate, the second lower lug plate, the first upper lug plate and the second upper lug plate to connect the main beam and the two side beams together.
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Description

Technical Field

[0001] The utility model relates to the technical field of hoisting, in particular to an extra-long heavy-load hoisting device at sea. Background Art

[0002] With my country's rapid economic development, offshore lifting is moving towards integration and modularization, resulting in an increasing number of large and extra-long equipment requiring lifting. However, modular equipment, due to its varying structures, volumes, weights, and dimensions, places higher demands on lifting. Traditional extra-long, heavy-load cranes have limited versatility and utilize flanges to connect beam segments, making length adjustment cumbersome, time-consuming, and labor-intensive, leading to very low lifting efficiency.

[0003] To this end, an ultra-long offshore heavy-load lifting method and lifting equipment are proposed, which can be used for ultra-long operations and multi-lifting point operations at sea, so as to meet the needs of simpler operation and faster adjustment. Summary of the Invention

[0004] The purpose of the invention of the utility model is to overcome the limitations of the traditional method of adjusting the lifting point position of multi-lifting point modular slings, such as complicated operation and low efficiency, or the requirement of auxiliary lifting equipment for lifting point adjustment during operation, and to realize an ultra-long offshore heavy-load lifting sling that can efficiently, quickly and safely complete the modular lifting of multiple lifting point positions. The proposal has practical significance for technological innovation and can fundamentally realize the simple and convenient operation of lifting point adjustment of multi-lifting point modular lifting. The method is safer, more efficient and more labor-saving.

[0005] In order to achieve the invention purpose of this application, the present utility model adopts the following technical solutions:

[0006] The utility model discloses an extra-long offshore heavy-load lifting device, which comprises: a main beam and two side beams, a plurality of lifting point rods are installed in the main beam and the two side beams, wherein: a first upper ear plate and a first lower ear plate are respectively fixed on both sides of the main beam, the first lower ear plate is below the first upper ear plate, a lifting point rod is fixed on the first lower ear plate, a second upper ear plate and a second lower ear plate are fixed on one side of the side beam, the second lower ear plate is below the second upper ear plate, an external lifting point is fixed on the other side of the side beam, the first lower ear plate and the first upper ear plate on both sides of the main beam are respectively inserted between the second lower ear plate and the second upper ear plate on one side of the side beam, and heavy-duty pins pass through the first lower ear plate and the second lower ear plate, the first upper ear plate and the second upper ear plate respectively, to connect the main beam and the two side beams together.

[0007] The utility model is an ultra-long heavy-load offshore lifting device, wherein: the main beam includes: a first lower ear plate, a long side plate, a first upper ear plate, a long end plate, a lifting point rod, a long cover plate, an end support plate, an upper support plate, a side support plate and a lower support plate, two rows of lifting point rods are parallel to each other and staggered in the main beam, an upper support plate is fixed above the upper row of lifting point rods, and a lower support plate is fixed below the lower row of lifting point rods, and the two rows of lifting point rods are connected by side support plates between each lifting point rod. The lifting point rods are connected as one, and the two long cover plates are respectively fixed on the upper end of the upper support plate and the lower end of the lower support plate. The long end plates on both sides of the main beam are respectively fixed between the ends of the two long cover plates. End support plates are also fixed on the inner side of the long end plates, and the end support plates support the lifting point rods close to the long end plates. The two long side plates pass through the above-mentioned lifting point rods and are fixed between the two long cover plates. The first upper ear plate and the first lower ear plate are respectively fixed on the outer side of the long end plates, and a lifting point rod is fixed on the first lower ear plate.

[0008] The utility model is an extra-long offshore heavy-load lifting device, wherein: the side beam comprises: a second lower ear plate, a short side plate, a second upper ear plate, a short end plate, an outer lifting point, a short cover plate, an end support plate, an upper support plate, a side support plate and a lower support plate, two rows of lifting point rods are parallel to each other and staggered in the side beam, an upper support plate is fixed above the upper row of lifting point rods, and a lower support plate is fixed below the lower row of lifting point rods, and side support plates are passed between each lifting point rod between the upper row of lifting point rods and the lower row of lifting point rods to connect the two rows of lifting point rods. The point rods are connected as one, and the two short cover plates are respectively fixed on the upper end of the upper support plate and the lower end of the lower support plate. The short end plates on both sides of the side beam are respectively fixed between the ends of the two short cover plates. End support plates are also fixed on the inner side of the short end plates. The end support plates support the hanging point rods close to the short end plates. The two short side plates pass through the above-mentioned hanging point rods and are fixed between the two short cover plates. The second upper ear plate and the second lower ear plate are respectively fixed on one outer side of the short end plate, and an external hanging point is fixed on the other outer side of the short end plate.

[0009] The utility model provides an extra-long heavy-load offshore lifting device, wherein: the lifting point rod includes: a first steel pipe, a bent plate, an end cover plate and a rib plate, bent plates bent inwardly of the first steel pipe are fixed at both ends of the first steel pipe, an end cover plate is fixed on the outside of the bent plate, and a rib plate is fixed on both sides of the end cover plate.

[0010] The utility model discloses an extra-long offshore heavy-load lifting device, wherein: the external lifting point includes: an end plate, a second retaining ring and a second steel pipe, one end of the second steel pipe in the side beam is fixed together with the first steel pipe of the adjacent lifting point rod, the other end of the second steel pipe passes through the short end plate, the end plate is fixed on the other end of the second steel pipe, and the second retaining ring is fixed on the second steel pipe between the end plate and the adjacent short end plate.

[0011] The utility model relates to an extra-long heavy-load offshore lifting device, wherein: the long cover plate is formed by splicing two plates.

[0012] The utility model relates to an extra-long heavy-load offshore lifting device, wherein the long side plate is formed by splicing two plates.

[0013] The utility model relates to an extra-long heavy-load offshore lifting device, wherein: the main beam further comprises: two transverse ribs, which are fixed to the upper ends of the long side plates and extend to between the two spliced ​​long cover plates.

[0014] The utility model discloses an extra-long heavy-load offshore lifting device, wherein: a first retaining ring is installed at one end of the heavy-duty pin shaft, the first retaining ring is fixed to the one end of the heavy-duty pin shaft by a plurality of screws, a clamping plate is respectively installed at the upper and lower ends of the first retaining ring, and a plurality of screws fix the clamping plate to the second lower ear plate or the second upper ear plate, and the two clamping plates clamp the first retaining ring.

[0015] The utility model relates to an extra-long heavy-load offshore lifting device, wherein: the upper row of lifting point rods in the main beam and the upper row of lifting point rods in the side beam are in a straight line; the lower row of lifting point rods in the main beam, the lifting point rods installed on the first lower ear plate and the lower row of lifting point rods in the side beam are in a straight line.

[0016] The utility model of the super-long heavy-load offshore lifting device has the following technical effects:

[0017] 1. Adjust the span of the beam and the number and position of the lifting points according to the actual conditions of the modules to be hoisted to meet different hoisting requirements. The operation is simple and convenient, without the need for complex tools and professional skills, which improves the efficiency of the hoisting operation.

[0018] 2. The ultra-long heavy-load offshore sling of the present invention belongs to the field of hoisting technology, and includes a lifting connection structure. The lifting connection structure includes beam segments such as an intermediate beam, a side beam F, and a side beam M. Connecting lugs are provided on the sides of the beam segments, and the connecting lugs can be inserted into and pulled out of a heavy-duty pin device. Multiple lifting points in the beam reduce the trouble of frequently replacing slings due to changes in module specifications. The heavy-duty pin device can connect or disconnect the beam segments by inserting and pulling out the pins, and can easily adjust the span of the sling. Compared with the traditional flange connection, it reduces the labor intensity of the operator, is simple and convenient, has high efficiency, low cost, and guaranteed safety.

[0019] 3. Multiple sets of lifting points are set in the middle of each beam segment. The appropriate lifting point position can be selected according to the actual situation of the module to meet different lifting requirements. The operation is simple and convenient, without the need for complex tools and professional skills, which improves the efficiency of the lifting operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of this application. The exemplary embodiments and descriptions of this application are intended to explain this application and do not constitute an improper limitation on this application. In the accompanying drawings:

[0021] Figure 1 It is a three-dimensional schematic diagram of the ultra-long heavy-load offshore lifting device of the present invention;

[0022] Figure 2 It is a three-dimensional schematic diagram of the main beam of the utility model;

[0023] Figure 3 It is a three-dimensional schematic diagram of the main beam of the present invention with the long cover plate and the long side plate removed;

[0024] Figure 4 It is a three-dimensional schematic diagram of the side beam of the utility model;

[0025] Figure 5 It is a three-dimensional schematic diagram of the side beam of the present invention with a short side plate removed;

[0026] Figure 6 It is a three-dimensional schematic diagram of the suspension rod;

[0027] Figure 7 It is a three-dimensional schematic diagram of the external hanging point;

[0028] Figure 8 is a schematic diagram of a cross section of a heavy-duty pin;

[0029] Figure 9 This is a forward schematic diagram of the end face of a heavy-duty pin.

[0030] exist Figures 1 to 9 Among them, number 1 is the first lower ear plate; number 2 is the long side plate; number 3 is the first upper ear plate; number 4 is the long end plate; number 5 is the hanging point rod; number 6 is the long cover plate; number 7 is the end support plate; number 8 is the upper support plate; number 9 is the side support plate; number 10 is the lower support plate; number 11 is the main beam; number 12 is the transverse reinforcement plate; number 13 is the heavy pin; number 14 is the screw; number 15 is the first retaining ring; number Reference numeral 16 is a clamping plate; reference numeral 22 is a side beam; reference numeral 23 is a second upper ear plate; reference numeral 24 is a short cover plate; reference numeral 25 is a second lower ear plate; reference numeral 26 is an external hanging point; reference numeral 27 is a short side plate; reference numeral 28 is a short end plate; reference numeral 51 is a first steel pipe; reference numeral 52 is a bent plate; reference numeral 53 is an end cover plate; reference numeral 54 is a rib plate; reference numeral 61 is an end plate; reference numeral 62 is a second retaining ring; reference numeral 63 is a second steel pipe. DETAILED DESCRIPTION

[0031] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0033] like Figure 1 As shown, the extra-long offshore heavy-load lifting device of the present invention includes: a main beam 11 and two side beams 22, a plurality of lifting point rods 5 are installed in the main beam 11 and the two side beams 22, a first upper ear plate 3 and a first lower ear plate 1 are fixed on both sides of the main beam 11 respectively, the first lower ear plate 1 is below the first upper ear plate 3, a lifting point rod 5 is fixed on the first lower ear plate 1, a second upper ear plate 23 and a second lower ear plate 25 are fixed on one side of the side beam 22, the second lower ear plate 25 is below the second upper ear plate 23, an external lifting point 26 is fixed on the other side of the side beam 22, the first lower ear plate 1 and the first upper ear plate 3 on both sides of the main beam 11 are respectively inserted between the second lower ear plate 25 and the second upper ear plate 23 on one side of the side beam 22, the heavy-duty pin shaft 13 passes through the first lower ear plate 1 and the second lower ear plate 25, the first upper ear plate 3 and the second upper ear plate 23 respectively, to connect the main beam 11 and the two side beams 22 together.

[0034] like Figure 2 and Figure 3 As shown, the main beam 11 includes: a first lower ear plate 1, a long side plate 2, a first upper ear plate 3, a long end plate 4, a suspension rod 5, a long cover plate 6, an end support plate 7, an upper support plate 8, a side support plate 9 and a lower support plate 10. The two rows of suspension rods 5 are parallel to each other and staggered in the main beam 11. The upper support plate 8 is fixed above the upper row of suspension rods 5, and the lower support plate 10 is fixed below the lower row of suspension rods 5. The two rows of suspension rods 5 are connected into one by each suspension rod 5 through a side support plate 9 between the upper row of suspension rods 5 and the lower row of suspension rods 5. The main beam 11 has a main body, two long cover plates 6 are fixed to the upper end of the upper support plate 8 and the lower end of the lower support plate 10 respectively, and the long end plates 4 on both sides of the main beam 11 are fixed between the ends of the two long cover plates 6. An end support plate 7 is also fixed to the inner side of the long end plate 4, and the end support plate 7 supports the suspension point rod 5 close to the long end plate 4. The two long side plates 2 pass through the above suspension point rod 5 and are fixed between the two long cover plates 6. The first upper ear plate 3 and the first lower ear plate 1 are fixed to the outer side of the long end plate 4 respectively, and a suspension point rod 5 is fixed to the first lower ear plate 1. The long cover plates 6 are made of 3 plates spliced ​​together, and the long side plates 2 are made of 3 plates spliced ​​together. The main beam 11 also includes: two transverse ribs 12, which are fixed to the upper ends of the long side plates 2, and their lengths extend between the two spliced ​​long cover plates 6.

[0035] Figure 4 and Figure 5As shown, the side beam 22 includes: a second lower ear plate 25, a short side plate 27, a second upper ear plate 23, a short end plate 28, an outer hanging point 26, a short cover plate 24, an end support plate 7, an upper support plate 8, a side support plate 9 and a lower support plate 10. The two rows of suspension rods 5 are parallel to each other and staggered in the side beam 22. The upper support plate 8 is fixed above the upper row of suspension rods 5, and the lower support plate 10 is fixed below the lower row of suspension rods 5. The side support plates 9 are passed between each suspension rod 5 between the upper row of suspension rods 5 and the lower row of suspension rods 5 to connect the two rows of suspension rods 5 into one. The short cover plates 24 are respectively fixed to the upper end of the upper support plate 8 and the lower end of the lower support plate 10. The short end plates 28 located on both sides of the side beam 22 are respectively fixed between the ends of the two short cover plates 24. An end support plate 7 is also fixed on the inner side of the short end plate 28. The end support plate 7 supports the hanging point rod 5 close to the short end plate 28. The two short side plates 27 respectively pass through the above-mentioned hanging point rod 5 and are fixed between the two short cover plates 24. A second upper ear plate 23 and a second lower ear plate 25 are respectively fixed on one outer side of the short end plate 28, and an outer hanging point 26 is fixed on the other outer side of the short end plate 28.

[0036] The upper row of hanging point rods 5 in the main beam 11 and the upper row of hanging point rods 5 in the side beam 22 are in a straight line; the lower row of hanging point rods 5 in the main beam 11, the hanging point rods 5 installed on the first lower ear plate 1 and the lower row of hanging point rods 5 in the side beam 22 are in a straight line.

[0037] like Figure 6 As shown, the suspension rod 5 includes: a first steel tube 51, a bent plate 52, an end cover plate 53 and a rib plate 54. Bend plates 52 bent toward the inside of the first steel tube 51 are fixed at both ends of the first steel tube 51, an end cover plate 53 is fixed on the outside of the bent plate 52, and a rib plate 54 is fixed on both sides of the end cover plate 53.

[0038] like Figure 7 As shown, the external suspension point 26 includes: an end plate 61, a second retaining ring 62 and a second steel tube 63. One end of the second steel tube 63 in the side beam 22 is fixed to the first steel tube 51 of the adjacent suspension point rod 5, and the other end of the second steel tube 63 passes through the short end plate 28. The end plate 61 is fixed on the other end of the second steel tube 63, and the second retaining ring 62 is fixed on the second steel tube 63 between the end plate 61 and the adjacent short end plate 28.

[0039] The long cover plate 6 is spliced ​​from 2-4 plates, and the long side plate 2 is spliced ​​from 2-4 plates. The main beam 11 also includes: two transverse ribs 12, which are fixed to the upper ends of the long side plates 2, and their length extends between the two spliced ​​long cover plates 6.

[0040] like Figure 8 and Figure 9As shown, a first retaining ring 15 is installed at one end of the heavy-duty pin shaft 13, and the first retaining ring 15 is fixed to one end of the heavy-duty pin shaft 13 by a plurality of screws 14. A clamping plate 16 is respectively installed at the upper and lower ends of the first retaining ring 15, and a plurality of screws 14 fix the clamping plate 16 to the second lower ear plate 25 or the second upper ear plate 23. The two clamping plates 16 clamp the first retaining ring 15 to fix the heavy-duty pin shaft 13.

[0041] The embodiments described above are merely descriptions of preferred implementation methods of the present invention and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. An extra-long heavy-load offshore lifting device, comprising: A main beam (11) and two side beams (22), wherein a plurality of suspension rods (5) are installed in the main beam (11) and the two side beams (22), characterized in that: a first upper ear plate (3) and a first lower ear plate (1) are fixed on both sides of the main beam (11), the first lower ear plate (1) is below the first upper ear plate (3), a suspension rod (5) is fixed on the first lower ear plate (1), a second upper ear plate (23) and a second lower ear plate (25) are fixed on one side of the side beam (22), and the second lower ear plate (25) An external hanging point (26) is fixed to the other side of the side beam (22) below the second upper ear plate (23); the first lower ear plate (1) and the first upper ear plate (3) on both sides of the main beam (11) are respectively inserted between the second lower ear plate (25) and the second upper ear plate (23) on one side of the side beam (22); the heavy pin shaft (13) passes through the first lower ear plate (1) and the second lower ear plate (25), the first upper ear plate (3) and the second upper ear plate (23), respectively, to connect the main beam (11) and the two side beams (22) together.

2. The extra-long heavy-load offshore sling according to claim 1, characterized in that: The main beam (11) comprises: a first lower ear plate (1), a long side plate (2), a first upper ear plate (3), a long end plate (4), a suspension rod (5), a long cover plate (6), an end support plate (7), an upper support plate (8), a side support plate (9) and a lower support plate (10), two rows of suspension rods (5) are arranged parallel to each other and staggered in the main beam (11), an upper support plate (8) is fixed above the upper row of suspension rods (5), and a lower support plate (10) is fixed below the lower row of suspension rods (5), and each suspension rod (5) between the upper row of suspension rods (5) and the lower row of suspension rods (5) is connected by a side support plate (9) between each suspension rod (5). The invention relates to a main beam (11) and a main beam (12) comprising a plurality of longitudinal ...

3. The extra-long heavy-load offshore sling according to claim 2, characterized in that: The side beam (22) comprises: a second lower ear plate (25), a short side plate (27), a second upper ear plate (23), a short end plate (28), an outer hanging point (26), a short cover plate (24), an end support plate (7), an upper support plate (8), a side support plate (9) and a lower support plate (10), two rows of suspension point rods (5) are parallel to each other and arranged in a staggered manner in the side beam (22), an upper support plate (8) is fixed above the upper row suspension point rods (5), and a lower support plate (10) is fixed below the lower row suspension point rods (5), and a side support plate (9) is passed between each suspension point rod (5) between the upper row suspension point rods (5) and the lower row suspension point rods (5), so that the two rows of suspension point rods (5) are connected as one. The two short cover plates (24) are respectively fixed to the upper end of the upper support plate (8) and the lower end of the lower support plate (10). The short end plates (28) located on both sides of the side beam (22) are respectively fixed between the ends of the two short cover plates (24). An end support plate (7) is also fixed on the inner side of the short end plate (28). The end support plate (7) supports the suspension point rod (5) close to the short end plate (28). The two short side plates (27) respectively pass through the above-mentioned suspension point rod (5) and are fixed between the two short cover plates (24). A second upper ear plate (23) and a second lower ear plate (25) are respectively fixed on one outer side of the short end plate (28). An outer suspension point (26) is fixed on the other outer side of the short end plate (28).

4. The extra-long heavy-load offshore lifting device according to claim 3, characterized in that: The suspension point rod (5) comprises: a first steel tube (51), a bent plate (52), an end cover plate (53) and a rib plate (54); a bent plate (52) bent inwardly of the first steel tube (51) is fixed at both ends of the first steel tube (51); an end cover plate (53) is fixed outside the bent plate (52); and a rib plate (54) is fixed on both sides of the end cover plate (53).

5. The extra-long heavy-load offshore sling according to claim 4, characterized in that: The external suspension point (26) comprises an end plate (61), a second retaining ring (62) and a second steel tube (63). One end of the second steel tube (63) in the side beam (22) is fixed to the first steel tube (51) of the adjacent suspension point rod (5). The other end of the second steel tube (63) passes through the short end plate (28). The end plate (61) is fixed to the other end of the second steel tube (63). The second retaining ring (62) is fixed to the second steel tube (63) between the end plate (61) and the adjacent short end plate (28).

6. The extra-long heavy-load offshore sling according to claim 5, characterized in that: The long cover plate (6) is formed by splicing 2 to 4 plates.

7. The extra-long heavy-load offshore lifting device according to claim 6, characterized in that: The long side panel (2) is formed by splicing 2 to 4 panels.

8. The extra-long heavy-load offshore lifting device according to claim 7, characterized in that: The main beam (11) further comprises: two transverse ribs (12), the transverse ribs (12) being fixed to the upper ends of the long side plates (2), and the length of the transverse ribs (12) extending between the two spliced ​​long cover plates (6).

9. The extra-long heavy-load offshore lifting device according to claim 8, characterized in that: A first retaining ring (15) is installed at one end of the heavy pin shaft (13), and the first retaining ring (15) is fixed to one end of the heavy pin shaft (13) by a plurality of screws (14). A clamping plate (16) is respectively installed at the upper and lower ends of the first retaining ring (15), and the clamping plate (16) is fixed to the second lower ear plate (25) or the second upper ear plate (23) by a plurality of screws (14). The two clamping plates (16) clamp the first retaining ring (15).

10. The extra-long heavy-load offshore lifting device according to claim 9, characterized in that: The upper row of suspension rods (5) in the main beam (11) and the upper row of suspension rods (5) in the side beam (22) are in a straight line; the lower row of suspension rods (5) in the main beam (11), the suspension rods (5) installed on the first lower ear plate (1) and the lower row of suspension rods (5) in the side beam (22) are in a straight line.