A bearing structure and a vehicle

Abstract

The application provides a bearing structure and a vehicle, the bearing structure comprising a support seat having a bearing surface; a support assembly, one end of the support assembly being connected with the bearing surface, and the other end of the support assembly being used for connecting a load; the support assembly having a plurality of disc spring components which are deformable along a direction perpendicular to the bearing surface, and the plurality of disc spring components being arranged along the direction perpendicular to the bearing surface; wherein the bearing surface and the support assembly are both multiple, and the plurality of bearing surfaces and the plurality of support assemblies are arranged in one-to-one correspondence, and the bearing structure of the application solves the technical problem of excessively large size of a suspension structure of a large-scale slow-moving vehicle in the related art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of transport vehicles, in particular to a bearing structure and a vehicle. BACKGROUND

[0002] Large slow-moving vehicles running on rails generally undertake heavy load carrying work. The suspension structure of such vehicles generally has special requirements. The suspension structure has the problem of uneven stress caused by the height difference of installation and manufacturing precision and track laying precision, and needs to ensure that the suspension works in the material elastic deformation to reduce the influence of material creep.

[0003] However, due to the problem of heavy load of large slow-moving vehicles, there is a great contradiction between the compression height ratio and the space size of the suspension system. The commonly used spring is difficult to coordinate in terms of load capacity, vertical deformation ratio and stress concentration avoidance, so that the size of the suspension structure is too large. Moreover, in the existing technology, rubber blocks are used on a single wheel axle as suspension and vibration isolation. Rubber also has problems such as creep and aging during heavy load use, affecting the service life of the equipment.

[0004] Therefore, the prior art needs to be further developed. SUMMARY

[0005] The purpose of the present application is to overcome the above technical deficiencies and provide a bearing structure and a vehicle to solve the problem of large size of the suspension structure of large slow-moving vehicles in the related art.

[0006] To achieve the above technical purpose, the present application adopts the following technical scheme: a bearing structure is provided, comprising: a support seat having a bearing surface; a support assembly, one end of the support assembly is connected with the bearing surface, and the other end of the support assembly is used for connecting a load; the support assembly has a plurality of disc spring parts which are deformable in a direction perpendicular to the bearing surface 11, and the plurality of disc spring parts are arranged in a direction perpendicular to the bearing surface; wherein the bearing surface and the support assembly are both multiple, and the plurality of bearing surfaces and the plurality of support assemblies are set in one-to-one correspondence.

[0007] Further, the disc spring part has a disc spring sheet capable of deforming, and the disc spring part comprises: a first disc spring part having two disc spring sheets connected with each other; and a second disc spring part located on the side of the first disc spring part away from the first disc spring part, and the first disc spring part comprises one disc spring sheet.

[0008] Further, a connecting hole is provided on the bearing surface, the connecting hole is recessed in the bearing surface, an internal thread is provided in the connecting hole, the bearing structure further comprises a guide column, the guide column is connected with the support assembly, an external thread matched with the internal thread is provided on the guide column, and the guide column is inserted in the connecting hole.

[0009] Further, the bearing structure further comprises a first guide sleeve, the first guide sleeve is sleeved on the guide column, and the first guide sleeve comprises: a first connecting portion connected with the guide column; and a second connecting portion connected with one end of the first connecting portion away from the guide column, the second connecting portion is located between two adjacent disc spring components.

[0010] Further, the disc spring piece is provided with an accommodation groove for accommodating the first guide sleeve, the accommodation groove has a first connecting surface and a second connecting surface in abutment with the first guide sleeve, the first connecting surface is arranged in parallel with the bearing surface, and the second connecting surface is arranged in perpendicular to the first connecting surface, and the second connecting surface surrounds the first guide sleeve.

[0011] Further, the first connecting portion and the second connecting portion are both annular structures, and in a direction perpendicular to the bearing surface, the thickness of the first connecting portion is greater than the thickness of the second connecting portion.

[0012] Further, the bearing structure further comprises: a connecting cover, the connecting cover is arranged on the support assembly, the connecting cover is provided with a through hole, and the guide column is connected with the bearing surface in sequence after penetrating through the through hole and the support assembly; and / or a second guide sleeve, the second guide sleeve comprises a third connecting portion sleeved on the guide column and a fourth connecting portion connected with the third connecting portion, the fourth connecting portion is connected with one end of the third connecting portion away from the guide column, and the fourth connecting portion is located between the support assembly and the bearing surface.

[0013] Further, the support base is provided with a mounting groove for accommodating the support assembly, the mounting groove is recessed on the outer surface of the support base, and the bearing surface is located at the bottom of the mounting groove.

[0014] Further, the bearing structure further comprises: a first mounting groove group, the first mounting groove group comprises a plurality of mounting groove rows arranged at intervals in a first preset direction; each mounting groove row has a plurality of mounting grooves arranged at intervals in a second preset direction; wherein the first preset direction is perpendicular to the second preset direction; and a protective pad, the protective pad is arranged on the outer surface of the support base, and at least part of the protective pad is located between two adjacent mounting groove rows.

[0015] Further, the mounting groove is a cylindrical structure, and the bearing structure further comprises a second mounting groove group, the second mounting groove group comprises a first mounting groove and a second mounting groove arranged at intervals, and the first mounting groove group is located between the axis of the first mounting groove and the axis of the second mounting groove; wherein the first mounting groove and the second mounting groove are both a plurality of; wherein two adjacent first mounting grooves have a mounting hole, and the mounting hole is arranged in the support base.

[0016] A vehicle is provided, comprising a bearing structure, which is the bearing structure described above.

[0017] Advantages:

[0018] The bearing structure of the present application comprises a support seat having a bearing surface; a support assembly, one end of which is connected to the bearing surface, and the other end of which is used for connecting a load; the support assembly has a plurality of disc spring components which are deformable in a direction perpendicular to the bearing surface, and the plurality of disc spring components are arranged in a direction perpendicular to the bearing surface; wherein the bearing surface and the support assembly are both multiple, and the plurality of bearing surfaces and the plurality of support assemblies are arranged one-to-one. With the above arrangement, a plurality of bearing surfaces are arranged on the support seat, a plurality of support assemblies are arranged on the bearing surfaces, a plurality of disc spring components are arranged in a direction perpendicular to the bearing surface, when the end of the support assembly away from the bearing surface bears pressure, the disc spring components can absorb the kinetic energy generated by the pressure, achieving the effect of buffering, and a plurality of disc spring components and a plurality of support assemblies arranged in a direction perpendicular to the bearing surface can share the pressure generated by the load, reducing the total height of the support seat and the support assembly, solving the technical problem of the oversize of the suspension structure of the large slow-moving vehicle in the related art. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic diagram of the bearing structure adopted by the embodiment of the present application;

[0020] Figure 2 is a structural schematic diagram of the support seat of the bearing structure adopted by the embodiment of the present application;

[0021] Figure 3 is a top view of the support seat of the bearing structure adopted by the embodiment of the present application;

[0022] Figure 4 is a structural schematic diagram of the support assembly of the bearing structure adopted by the embodiment of the present application;

[0023] Figure 5 is a structural schematic diagram of the protective pad of the bearing structure provided by the embodiment of the present application;

[0024] Figure 6 is a structural schematic diagram of the connecting cover of the bearing structure provided by the embodiment of the present application;

[0025] Figure 7 is a structural schematic diagram of the connecting component of the bearing structure provided by the embodiment of the present application;

[0026] Figure 8 is a structural schematic diagram of the support assembly of the bearing structure provided by the embodiment of the present application;

[0027] Figure 9 is a structural schematic diagram of the first guide sleeve of the bearing structure provided by the embodiment of the present application;

[0028] Figure 10 is a structural schematic diagram of the second guide sleeve of the bearing structure provided by the embodiment of the present application;

[0029] Figure 11 is a structural schematic view of a disc spring piece of a bearing structure provided by an embodiment of the present application;

[0030] Figure 12 is a partial enlarged view of I part in Figure 11

[0031] wherein the above-mentioned drawings include the following reference signs:

[0032] 1, support seat; 11, bearing surface; 111, connecting hole; 12, mounting groove; 121, first mounting groove; 122, second mounting groove; 13, mounting hole; 2, support assembly; 21, disc spring part; 211, first disc spring part; 212, second disc spring part; 22, disc spring piece; 221, accommodating groove; 2211, first connecting surface; 2212, second connecting surface; 3, guide column; 4, first guide sleeve; 41, first connecting part; 42, second connecting part; 5, connecting cover; 51, through hole; 6, second guide sleeve; 61, third connecting part; 62, fourth connecting part; 7, first mounting groove group; 8, protective pad; 9, second mounting groove group. DETAILED DESCRIPTION

[0033] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0034] Referring to Figures 1 to 12 ​According to the embodiment of the present application, a bearing structure is provided, comprising: a support base 1, the support base 1 having a bearing surface 11; a support assembly 2, one end of the support assembly 2 being connected with the bearing surface 11, the other end of the support assembly 2 being used for connecting a load; the support assembly 2 having a plurality of disc spring components 21 which are deformable in a direction perpendicular to the bearing surface 11, the plurality of disc spring components 21 being arranged in the direction perpendicular to the bearing surface 11; wherein the bearing surface 11 and the support assembly 2 are both multiple, the plurality of bearing surfaces 11 and the plurality of support assemblies 2 being arranged in one-to-one correspondence. With the above arrangement, a plurality of bearing surfaces 11 are arranged on the support base 1, a plurality of support assemblies 2 are arranged on the bearing surface 11, and a plurality of disc spring components 21 are arranged in the direction perpendicular to the bearing surface 11 in the support assembly 2. When the end of the support assembly 2 away from the bearing surface 11 bears a pressure, the disc spring component 21 can absorb the kinetic energy generated by the pressure to achieve a buffering effect. The plurality of disc spring components 21 arranged in the direction perpendicular to the bearing surface 11 and the plurality of support assemblies 2 can share the pressure generated by the load, reduce the total height of the support base 1 and the support assembly 2, and solve the technical problem of the oversize of the suspension structure of the large-scale slow-moving vehicle in the related art.

[0035] Referring to Figure 8 In the bearing structure of the embodiment, the disc spring component 21 has a disc spring sheet 22 which can be deformed, and the disc spring component 21 comprises: a first disc spring component 211, the first disc spring component 211 having two disc spring sheets 22 connected with each other; and a second disc spring component 212, the second disc spring component 212 being located on the side of the first disc spring component 211 away from the first disc spring component 211, and the first disc spring component 211 comprising one disc spring sheet 22.

[0036] Specifically, the disc spring component 21 is compressed to generate deformation until it is flattened to store energy in the form of live load.

[0037] Specifically, by arranging the first disc spring component 211, the first disc spring component 211 is composed of two disc spring sheets 22, so that the deformation amount of the disc spring component 21 can be improved, and the bearing capacity of the structure can be improved.

[0038] Specifically, by arranging the second disc spring component 212, the second disc spring component 212 is located on the side of the first disc spring component 211 away from the first disc spring component 211. In this way, when the load acts on the support assembly 2, the second disc spring component 212 can be contacted first, and the second disc spring component 212 arranged with one disc spring sheet 22 can ensure the stability of the structure during deformation, so that the support assembly 2 can generate a larger deformation amount subsequently.

[0039] Referring to Figure 3In order to achieve the purpose of connecting the support assembly 2 and the support base 1, in the bearing structure of the embodiment, the bearing surface 11 is provided with a connecting hole 111 recessed in the bearing surface 11, and the connecting hole 111 is provided with an internal thread. The bearing structure further comprises a guide column 3 connected with the support assembly 2, and the guide column 3 is provided with an external thread matched with the internal thread, and the guide column 3 is inserted into the connecting hole 111.

[0040] In the bearing structure of the embodiment, referring to Figure 8 、 Figure 9 , the bearing structure further comprises a first guide sleeve 4 sleeved on the guide column 3, and the first guide sleeve 4 comprises: a first connecting part 41 connected with the guide column 3; and a second connecting part 42 connected with one end of the first connecting part 41 away from the guide column 3, and the second connecting part 42 is located between two adjacent disc spring parts 21. In this way, the plurality of disc spring parts 21 are connected through the first guide sleeve 4, so that the structure is more stable.

[0041] Referring to Figure 11 、 Figure 12 , in order to achieve better connection effect, in the bearing structure of the embodiment, the disc spring sheet 22 is provided with an accommodating groove 221 for accommodating the first guide sleeve 4, and the accommodating groove 221 has a first connecting surface 2211 and a second connecting surface 2212 abutting against the first guide sleeve 4. The first connecting surface 2211 is arranged parallel to the bearing surface 11, and the second connecting surface 2212 is arranged perpendicular to the first connecting surface 2211, and the second connecting surface 2212 surrounds the first guide sleeve 4.

[0042] In the bearing structure of the embodiment, the first connecting part 41 and the second connecting part 42 are both annular structures, and the thickness of the first connecting part 41 is greater than the thickness of the second connecting part 42 in the direction perpendicular to the bearing surface 11. In this way, the disc spring part 21 can provide a larger deformation amount while being stably connected.

[0043] Referring to Figure 6 , in the bearing structure of the embodiment, the bearing structure further comprises: a connecting cover 5 covered on the support assembly 2, and the connecting cover 5 is provided with a through hole 51, and the guide column 3 is connected with the bearing surface 11 after sequentially penetrating through the through hole 51 and the support assembly 2; and / or a second guide sleeve 6 comprising a third connecting part 61 sleeved on the guide column 3 and a fourth connecting part 62 connected with the third connecting part 61, and the fourth connecting part 62 is connected with one end of the third connecting part 61 away from the guide column 3, and the fourth connecting part 62 is located between the support assembly 2 and the bearing surface 11. In this way, when the support assembly 2 is stressed, the disc spring part 21 can be protected.

[0044] In the carrying structure of the embodiment, the support base 1 is provided with a mounting groove 12 for accommodating the support assembly 2, the mounting groove 12 is recessed on the outer surface of the support base 1, and the carrying surface 11 is located at the bottom of the mounting groove 12.

[0045] In the carrying structure of the embodiment, the carrying structure further comprises: a first mounting groove group 7, the first mounting groove group 7 comprises a plurality of mounting groove rows arranged at intervals along a first preset direction; each mounting groove row has a plurality of mounting grooves 12 arranged at intervals along a second preset direction; wherein the first preset direction is perpendicular to the second preset direction; and a protective pad 8, the protective pad 8 is attached to the outer surface of the support base 1, and at least part of the protective pad 8 is located between two adjacent mounting groove rows.

[0046] In the carrying structure of the embodiment, the mounting groove 12 is a cylindrical structure, and the carrying structure further comprises a second mounting groove group 9, the second mounting groove group 9 comprises first mounting grooves 121 and second mounting grooves 122 arranged at intervals, and the first mounting groove group 7 is located between the axis of the first mounting groove 121 and the axis of the second mounting groove 122; wherein the first mounting groove 121 and the second mounting groove 122 are both a plurality of; wherein two adjacent first mounting grooves 121 have a mounting hole 13 passing through the support base 1.

[0047] With the above arrangement, more support assemblies 2 can be arranged on the support base 1, thereby reducing the thickness of the structure and achieving the effect of simplifying the structure.

[0048] The vehicle of the embodiment comprises a carrying structure, and the carrying structure is the carrying structure described above.

[0049] Embodiment one: the support base 1 of the carrying structure of the embodiment is a 45# steel plate with a size of 400mm×320mm×40mm, and the support base 1 has 16 mounting grooves 12 with a diameter of 78mm and a depth of 34mm, as shown in Figure 2 The carrying structure of the embodiment can use a support assembly 2 with a diameter of φ76mm and a height of 4.6mm, the support assembly 2 is composed of nine support assemblies 2 with the same specification, and the free height of the support assembly 2 is 50mm, as shown in Figure 4 The support assembly 2 is placed in a disc spring guide column 3, as shown in Figure 7 The guide column 3 is connected to the connecting hole on the carrying surface 11.

[0050] Embodiment two:

[0051] Stress analysis revealed that under ultimate load conditions, the highest stress was observed in the transition area between the central region of support 1 and the adjacent mounting groove 12, exceeding the material's yield strength and causing localized plastic deformation. However, this deformation did not exceed the material's tensile strength, preventing fracture. The maximum deformation of support 1 was approximately 0.20 mm, occurring in the central region. This area is a primary load-bearing location for the vehicle's wheel axle, possessing strong load-bearing capacity. Figure 3 A protective pad 8 is added to the middle position; a resin pad (approximately 10056 mm²) is selected for this location. 2 The resin pad is 8mm thick, and it provides support when the disc support assembly 2 deforms by 8mm. Preferably, the protective pad 8 is a polytetrafluoroethylene (PTFE) pad.

[0052] Example 3:

[0053] In this embodiment, the free height of the support assembly 2 and the support base 1 when not under load is 56mm. The distance between the upper and lower surfaces of the support base 1 is 40mm, and the distance between the bearing surface 11 and the lower surface of the support base 1 is 6mm. In the free state, the distance between the upper surface of the support assembly 2 and the upper surface of the support base 1 is 16mm.

[0054] In some embodiments, the surface treatment of the support component 2 is carried out by quenching-polishing-quenching, the bracket surface is treated with powder coating (the inner hole of the disc spring 22 is not sprayed), and zinc-rich base powder is sprayed and then outer powder is sprayed (for outdoor equipment). Theoretically, it can be used for 8 years.

[0055] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0056] Optionally, specific examples in this embodiment can refer to the examples described in the above embodiments, and will not be repeated here.

[0057] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0058] The integrated units in the above embodiments, if implemented in the form of software function units and sold or used as independent products, can be stored in the above computer-readable storage medium. Based on such understanding, the technical solutions of the present application, essentially or in other words, the part that contributes to the prior art or the whole or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium, and includes a number of instructions to make one or more computer devices (which can be personal computers, servers or network devices, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.

[0059] In the above embodiments of the present application, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0060] In the several embodiments provided by the present application, it should be understood that the disclosed client can be implemented in other ways. Of course, the above device embodiment is only illustrative, and for example, the division of the units is only a logical function division, and there can be another division manner in actual implementation, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interface, unit or module, and can be electrical or other forms.

[0061] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, i.e., they can be located in one place or distributed on multiple network units. Some or all of the units can be selected to achieve the purpose of the embodiment according to actual needs.

[0062] In addition, each functional unit in each embodiment of the present application can be integrated in one processing unit, or each unit can exist physically, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software function unit.

[0063] The above is only the preferred embodiment of the present application, and it should be pointed out that for those skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which should be considered as the protection scope of the present application.

Claims

1. A load bearing structure, characterized by The utility model relates to a bearing structure, including: Support seat (1), support seat (1) have bearing surface (11); Supporting assembly (2), one end of supporting assembly (2) is connected with bearing surface (11), the other end of supporting assembly (2) is used for connecting load;Supporting assembly (2) has multiple disc spring parts (21) that can be deformed along the direction perpendicular to bearing surface (11), multiple disc spring parts (21) are arranged along the direction perpendicular to bearing surface (11); Wherein, bearing surface (11) and supporting assembly (2) are multiple, multiple bearing surface (11) are set up with multiple supporting assembly (2) one to one correspondence; Bearing surface (11) is provided with connecting hole (111), connecting hole (111) is recessed in bearing surface (11) setting, inner thread is provided in connecting hole (111), the bearing structure further includes guide column (3), guide column (3) is connected with supporting assembly (2), outer thread is provided on guide column (3) and is matched with inner thread, guide column (3) is inserted in connecting hole (111); Disc spring part (21) has the disc spring piece (22) that can be deformed, disc spring part (21) includes: first disc spring part (211), first disc spring part (211) has two mutually connected disc spring piece (22);Second disc spring part (212), second disc spring part (212) is located on the side of first disc spring part (211) away from first disc spring part (211), and first disc spring part (211) includes one disc spring piece (22); The bearing structure further includes first guide sleeve (4), first guide sleeve (4) is sleeved on guide column (3), and first guide sleeve (4) includes: first connecting portion (41), first connecting portion (41) is connected with guide column (3);Second connecting portion (42), second connecting portion (42) is connected with the end of first connecting portion (41) away from guide column (3), and second connecting portion (42) is located between adjacent two disc spring parts (21); Second guide sleeve (6), second guide sleeve (6) includes third connecting portion (61) and fourth connecting portion (62) that are connected with third connecting portion (61), third connecting portion (61) is sleeved on guide column (3), fourth connecting portion (62) is connected with the end of third connecting portion (61) away from guide column (3), and fourth connecting portion (62) is located between supporting assembly (2) and bearing surface (11).

2. The load bearing structure of claim 1, wherein, The disc spring piece (22) is provided with an accommodating groove (221) for accommodating the first guide sleeve (4), the accommodating groove (221) has a first connecting surface (2211) and a second connecting surface (2212) abutting against the first guide sleeve (4), the first connecting surface (2211) is arranged in parallel with the bearing surface (11), and the second connecting surface (2212) is arranged perpendicularly to the first connecting surface (2211), and the second connecting surface (2212) surrounds the first guide sleeve (4).

3. The load bearing structure of claim 2, wherein, The first connecting portion (41) and the second connecting portion (42) are both annular structures, and the thickness of the first connecting portion (41) is greater than the thickness of the second connecting portion (42) in the direction perpendicular to the bearing surface (11).

4. The load bearing structure of claim 2, wherein, The bearing structure further comprises: A connecting cover (5) is arranged on the support assembly (2), the connecting cover (5) is provided with a through hole (51), and the guide column (3) is connected with the bearing surface (11) after sequentially penetrating through the through hole (51) and the support assembly (2).

5. The load bearing structure of claim 1, wherein, The support base (1) is provided with a mounting groove (12) for accommodating the support assembly (2), the mounting groove (12) is recessed on the outer surface of the support base (1), and the bearing surface (11) is located at the bottom of the mounting groove (12).

6. The load bearing structure of claim 5, wherein, The bearing structure further comprises: A first mounting groove group (7) comprises a plurality of mounting groove rows arranged at intervals in a first preset direction; each mounting groove row has a plurality of mounting grooves (12) arranged at intervals in a second preset direction; wherein the first preset direction is perpendicular to the second preset direction; A protective pad (8) is arranged on the outer surface of the support base (1), and at least part of the protective pad (8) is located between two adjacent mounting groove rows.

7. The load bearing structure of claim 6, wherein, The mounting groove (12) is a cylindrical structure, and the bearing structure further comprises a second mounting groove group (9), the second mounting groove group (9) comprises a first mounting groove (121) and a second mounting groove (122) arranged at intervals, and the first mounting groove group (7) is located between the axis of the first mounting groove (121) and the axis of the second mounting groove (122); Wherein, the first mounting groove (121) and the second mounting groove (122) are both a plurality of; wherein, between two adjacent first mounting grooves (121), there is a mounting hole (13) penetrating through the support base (1).

8. A vehicle comprising a load bearing structure, characterized in that The bearing structure is the bearing structure of any one of claims 1-7.

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