Plate spring support structure, chassis and off-highway wide-body dumper

Abstract

The utility model discloses a plate spring support structure, a chassis and an off-highway wide-body dumper. The plate spring support structure comprises an upper clamping part and a lower clamping part, the upper clamping part is used for being clamped to one transverse end of the plate spring, and the plate spring is limited in the upper clamping part through a locking component. The lower clamping part is used for being connected with a longitudinal pulling vertical rod, the lower clamping part and the upper clamping part are arranged in a staggered mode, an installation space is formed in the connecting position of the lower clamping part and the upper clamping part, and a frame longitudinal beam is arranged in the installation space. The outer side face of the frame longitudinal beam is attached to the inner side face of the upper clamping part, the bottom face of the frame longitudinal beam is attached to the top face of the lower clamping part, and the frame longitudinal beam, the upper clamping part and the lower clamping part are fixed together through a plurality of fastening components. The plate spring support is mainly used for fixing the plate spring and bearing the supporting effect of the working conditions of obstacle crossing, turning, braking and the like of the front axle of the empty and full load mine car, the plate spring support structure is made of cast steel materials, it can be guaranteed that the plate spring support structure has enough structural strength, and cyclic stress on a frame is avoided, and the cracking risk is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a front leaf spring support structure belongs to mine mechanical equipment technical field. BACKGROUND

[0002] At present, the global open pit mining demand is larger, and the wide-body mining dump truck has occupied a place in the market and is used in various mining areas. Due to the large difference of working conditions in various mining areas, the whole vehicle is affected by the road conditions, and the torsion and wear of the front leaf spring support produced in the process of obstacle crossing, turning and braking cause the fracture. Considering the difference of mine car application environment, the mine car versatility is taken into account, and therefore a non-highway wide-body dump truck front leaf spring support structure is designed. SUMMARY

[0003] According to the deficiencies of the prior art, the utility model provides a leaf spring support structure which can resist the lateral force of the leaf spring produced in the process of obstacle crossing, turning and braking.

[0004] The utility model realizes according to the following technical scheme:

[0005] In the first aspect, the utility model provides a leaf spring support structure, which comprises:

[0006] The upper clamping part is used for clamping at one transverse end of the leaf spring, and the leaf spring is limited in the upper clamping part by the locking part;

[0007] The lower clamping part is used for connecting the longitudinal pull-up rod, the lower clamping part is arranged in a staggered manner with the upper clamping part, an installation space is formed between the two, and the frame longitudinal beam is arranged in the installation space; the outer side surface of the frame longitudinal beam is attached to the inner side surface of the upper clamping part, and the bottom surface of the frame longitudinal beam is attached to the top surface of the lower clamping part, and the frame longitudinal beam is fixed with the upper and lower clamping parts by a plurality of fastening parts.

[0008] In some embodiments, the upper clamping part is composed of a vertical plate, an n-shaped clamping plate fixed on the outer side surface of the vertical plate and a web plate connected between the vertical plate and the n-shaped clamping plate; the vertical plate is located at the top surface edge of the lower clamping part.

[0009] In some embodiments, a plurality of through holes are provided on the vertical plate along the edge position thereof, a plurality of threaded holes corresponding one-to-one with the through holes are provided on the outer side surface of the frame longitudinal beam, the fastening part is a bolt, and the plurality of bolts are fixed on the frame longitudinal beam after cooperating with the through holes and the threaded holes.

[0010] In some embodiments, a through hole is provided at the bottom region of the outer side plate of the n-shaped clamping plate, and a threaded hole coaxially arranged with the through hole is provided on the inner side plate of the n-shaped clamping plate; the locking part is a bolt, the bolt is screwed in the threaded hole through the through hole, the leaf spring is limited by the bolt, and the leaf spring is prevented from separating from the upper clamping part.

[0011] In some embodiments, a wear-resistant block is arranged in the n-shaped clamping plate and above the leaf spring, a through hole is arranged on the top plate of the n-shaped clamping plate, a threaded hole coaxially arranged with the through hole is arranged on the wear-resistant block, and the wear-resistant block is fixed in the n-shaped clamping plate through cooperation of the bolt, the through hole and the threaded hole.

[0012] In some embodiments, a dismounting groove is arranged at two upper corners of the n-shaped clamping plate, and the wear-resistant block is dismounted by penetrating a pry bar into the dismounting groove.

[0013] In some embodiments, at least one support with a threaded hole is further arranged on the outer side plate of the n-shaped clamping plate, the outer connecting plate is fixed through a screw, and a plurality of clamps for fastening oil pipes are fixed on the outer connecting plate.

[0014] In some embodiments, the rib plate extends horizontally and outwardly along the top surface of the top plate of the n-shaped clamping plate from the angle between the self-standing plate and the n-shaped clamping plate, and then extends vertically and downwardly along the outer side plate of the n-shaped clamping plate.

[0015] In some embodiments, the lower clamping part is composed of the n-shaped clamping plate and the arc-shaped supporting plate arranged in the n-shaped clamping plate.

[0016] In some embodiments, a plurality of through holes are arranged on the top plate of the n-shaped clamping plate, a plurality of threaded holes corresponding to the through holes are arranged on the bottom surface of the frame longitudinal beam, the fastening component is a bolt, the lower clamping part is fixed on the frame longitudinal beam through cooperation of the plurality of bolts, the through holes and the threaded holes, a through hole extending along the length direction of the frame longitudinal beam is arranged at the bottom of each of the two side plates of the n-shaped clamping plate, a connecting plate is arranged at the hinged end of the longitudinal pull-up rod, a connecting hole is arranged at each end of the connecting plate, the two connecting holes are aligned with the two through holes on the n-shaped clamping plate, the bolt is sequentially penetrated through the connecting holes and the through holes, the connecting plate is fixed on the n-shaped clamping plate through bolt fastening, and the rod part of the longitudinal pull-up rod is arranged in the n-shaped clamping plate.

[0017] In some embodiments, the leaf spring support structure is an integral cast steel structure.

[0018] In the second aspect, the utility model provides a kind of chassis, including frame longitudinal beam, leaf spring and axle, the middle region of the leaf spring is fixed on axle, it is characterized in that: two transverse end portions of the leaf spring are connected together with frame longitudinal beam by one above-mentioned leaf spring support structure.

[0019] In the third aspect, the utility model provides a kind of off-highway wide-body dump truck, including above-mentioned chassis.

[0020] The utility model has the beneficial effects that:

[0021] The utility model provides a plate spring support structure, its effect mainly is used for fixed plate spring, bears the support effect of empty full load mine car front axle obstacle, turning, braking and other working conditions, this plate spring support structure selects cast steel material, can guarantee that it has enough structural strength, avoids the cyclic stress to the frame, produces the risk of cracking. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are part of the utility model and serve to provide a further understanding of the utility model, the illustrative embodiments of the utility model and the description thereof serve to explain the utility model, but do not constitute undue limitation on the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained according to these drawings without creative labor for ordinary skilled in the art.

[0023] In the drawings:

[0024] Figure 1 It is the plate spring support structure perspective drawing of the utility model;

[0025] Figure 2 It is the plate spring support structure three view (a is the front view, b is the side view, c is the top view) of the utility model;

[0026] Figure 3 It is the plate spring support structure application schematic of the utility model Figure 1 ;

[0027] Figure 4 It is the plate spring support structure application schematic of the utility model Figure 2 .

[0028] Drawing mark: 1-plate spring support structure, 2-frame longitudinal beam, 3-plate spring, 4-tire, 5-axle, 6-wear block, 11- upper clamping portion, 12-lower clamping portion, 111- vertical plate, 112-n type clamping plate, 113- muscle plate, 114- through hole, 115- through hole, 116- screw hole, 117- through hole, 118- support, 119- dismounting groove, 121- n type clamping plate, 122- arc support plate, 123- through hole, 124- through hole.

[0029] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but illustrate the concept of the utility model for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0031] In the description of the utility model, it needs to be explained that the directions or position relations indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0032] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium. 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.

[0033] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 A leaf spring support structure 1, comprising an upper clamping part 11 and a lower clamping part 12; the upper clamping part 11 is used for clamping at one transverse end of the leaf spring 3, and the leaf spring 3 is limited in the upper clamping part 11 through the locking part; the lower clamping part 12 is used for connecting the longitudinal pull-up rod, the lower clamping part 12 is arranged in staggered position with the upper clamping part 11, and the connecting part between the two forms an installation space, and the frame longitudinal beam 2 is arranged in the installation space; the outer side surface of the frame longitudinal beam 2 is fitted with the inner side surface of the upper clamping part 11, and the bottom surface of the frame longitudinal beam 2 is fitted with the top surface of the lower clamping part 12, and the frame longitudinal beam 2 is fixed with the upper and lower clamping parts 11, 12 through a plurality of fastening parts.

[0034] It needs to be explained that the leaf spring support structure is an integral cast steel structure, which can ensure sufficient structural strength and avoid the base cracking caused by insufficient structural strength.

[0035] The specific structure of the upper clamping part is further described below.

[0036] As shown in Figure 1 , Figure 2As shown in the drawings, the upper clamping part 11 is composed of a vertical plate 111, an n-shaped clamping plate 112 fixed on the outer side of the vertical plate 111, and a muscle plate 113 connected between the vertical plate 111 and the n-shaped clamping plate 112; the vertical plate 111 is located at the top edge of the lower clamping part 12.

[0037] Further, as shown in the drawings, Figure 1 , Figure 2 a plurality of through holes 114 are arranged on the vertical plate 111 along the edge thereof, a plurality of threaded holes corresponding to the through holes 114 are arranged on the outer side of the vehicle frame longitudinal beam 2, the fastening component is a bolt, and the upper clamping part 11 is fixed on the vehicle frame longitudinal beam 2 after the plurality of bolts are matched with the through holes 114 and the threaded holes.

[0038] It should be noted that the drawings show that seven through holes are arranged on the vertical plate along the edge thereof, and the upper clamping part is fixed on the vehicle frame longitudinal beam by seven bolts. Of course, in actual design, it is not limited to the above-mentioned seven through holes, and six or eight through holes can also be arranged.

[0039] Further, as shown in the drawings, Figure 1 , Figure 2 a through hole 115 is arranged at the bottom of the outer side plate of the n-shaped clamping plate 112, and a threaded hole 116 coaxially arranged with the through hole 115 is arranged on the inner side plate of the n-shaped clamping plate 112; the locking component is a bolt, the bolt is screwed in the threaded hole 116 through the through hole 115, the plate spring 3 is limited by the bolt, and the plate spring 3 is prevented from being separated from the upper clamping part 11.

[0040] Further, as shown in the drawings, Figure 1 , Figure 2 a wear-resistant block 6 is arranged in the n-shaped clamping plate 112 above the plate spring 3, at least one through hole 117 is arranged on the top plate of the n-shaped clamping plate 112, a threaded hole coaxially arranged with the through hole 117 is arranged on the wear-resistant block 6, and the wear-resistant block 6 is fixed in the n-shaped clamping plate 112 after being matched with the through hole 117 and the threaded hole by a bolt.

[0041] It should be noted that the drawings show that two through holes are arranged on the top plate of the n-shaped clamping plate, and the wear-resistant block is fixed in the n-shaped clamping plate by two bolts. Of course, in actual design, it is not limited to the above-mentioned two through holes, and four through holes can also be arranged.

[0042] Further, as shown in the drawings, Figure 1 , Figure 2 a dismounting groove 119 is arranged at the two corners of the upper part of the n-shaped clamping plate 112, and the wear-resistant block 6 is dismounted by inserting a pry bar into the dismounting groove 119.

[0043] Further, as shown in the drawings, Figure 1 , Figure 2As shown, at least one support 118 with a threaded hole is further provided on the outer plate of the n-type clamping plate 112 for fixing the external plate by screws, and a plurality of clamps for fastening the oil pipe are fixed on the external plate.

[0044] It should be noted that, in the accompanying drawings, a support is provided on the outer side plate of the n-type card plate. Of course, in actual design, it is not limited to the above-mentioned one support, and two supports can also be provided.

[0045] Further solutions, such as Figure 1 、 Figure 2 As shown, the rib plate 113 extends horizontally outward along the top surface of the top plate of the n-type card board 112 from the angle between the self-supporting plate 111 and the n-type card board 112 , and then extends vertically downward along the outer plate of the n-type card board 112 .

[0046] It should be noted that the accompanying drawings show two opposing ribs, but in actual design, the number is not limited to the two ribs, and three ribs may also be used.

[0047] The specific structure of the lower clamping portion is further described below.

[0048] like Figure 1 、 Figure 2 As shown, the lower clamping portion 12 is composed of an n-type clamping plate 121 and an arc-shaped supporting plate 122 located in the n-type clamping plate 121 .

[0049] Further solutions, such as Figure 1 、 Figure 2 Figure 1 Figure 2 As shown, a plurality of through holes 123 are provided on the top plate of the n-type card plate 121, and a plurality of threaded holes corresponding to the through holes 123 are provided on the bottom surface of the frame longitudinal beam 2. The fastening components are bolts. After the plurality of bolts cooperate with the through holes 123 and the threaded holes, the lower clamping portion 12 is fixed to the frame longitudinal beam 2; a through hole 124 extending along the length direction of the frame longitudinal beam 2 is respectively provided at the bottom of the two side plates of the n-type card plate 121; a connecting plate is provided at the hinged end of the longitudinal pull rod, and a connecting hole is provided at each end of the connecting plate. After the two connecting holes are aligned with the two through holes 124 on the n-type card plate 121 respectively, the bolts pass through the connecting holes and the through holes 124 in turn, and the connecting plate is fixed to the n-type card plate 121 by fastening the bolts, and the rod portion of the longitudinal pull rod is located in the n-type card plate 121.

[0050] It should be noted that the top plate of the n-type clamp shown in the drawings is provided with four through holes, and the lower clamping portion is fixed to the frame longitudinal rail by four bolts. Of course, in actual design, it is not limited to the above four through holes, and six or eight through holes can also be provided.

[0051] In summary, the utility model provides a kind of leaf spring support structure, its effect is mainly used to fix leaf spring, support the support effect of obstacle, turning, braking and other working conditions of empty full load mine car front axle, the leaf spring support structure selects cast steel material, can ensure that it has enough structural strength, avoid the cyclic stress to the frame, crack risk is generated.

[0052] The application of the leaf spring support structure described above is further described below.

[0053] Application Example One: the chassis provided by the utility model is described below, and the chassis described below can be correspondingly referred to the leaf spring support structure described above.

[0054] The utility model provides a kind of chassis, including frame longitudinal beam, leaf spring and axle, leaf spring middle region is fixed on axle, and two lateral ends of leaf spring are connected together with frame longitudinal beam by one of the above-mentioned leaf spring support structure each.

[0055] The beneficial effects achieved by the chassis provided by the utility model are consistent with the beneficial effects achieved by the leaf spring support structure provided by the utility model, so they will not be described here.

[0056] Application Example Two: the off-highway wide-body dump truck provided by the utility model is described below, and the off-highway wide-body dump truck described below can be correspondingly referred to the chassis described above.

[0057] The utility model provides an off-highway wide-body dump truck, including the chassis described above.

[0058] The beneficial effects achieved by the off-highway wide-body dump truck provided by the utility model are consistent with the beneficial effects achieved by the chassis provided by the utility model, so they will not be described here.

[0059] In the specification provided here, a large number of specific details are described. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and technologies are not shown in detail, so as not to obscure the understanding of this specification.

[0060] In addition, those skilled in the art can understand that, although some embodiments described herein include certain features included in other embodiments rather than other features, combinations of features of different embodiments also mean within the protection scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use in a combined manner according to the known technical solutions and the technical problems to be solved by the present application.

[0061] The above merely describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make minor changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and equivalent embodiments with equivalent changes are equivalent. Any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A leaf spring support structure, characterized by, The application relates to a plate spring support structure. The upper clamping part is used for clamping at one transverse end of the plate spring and limiting the plate spring in the upper clamping part through a locking part; the lower clamping part is used for connecting a longitudinal pull-up rod, the lower clamping part is arranged in a staggered mode with the upper clamping part, a mounting space is formed between the two, and a frame longitudinal beam is arranged in the mounting space; the outer side surface of the frame longitudinal beam is matched with the inner side surface of the upper clamping part, the bottom surface of the frame longitudinal beam is matched with the top surface of the lower clamping part, and the frame longitudinal beam is fixed with the upper and lower clamping parts through a plurality of fastening parts.

2. The plate spring support structure according to claim 1, characterized in that: the upper clamping part is composed of a vertical plate, an n-shaped clamping plate fixed on the outer side surface of the vertical plate and a web plate connected between the vertical plate and the n-shaped clamping plate; and the vertical plate is located at the top surface edge of the lower clamping part.

3. The plate spring support structure according to claim 2, characterized in that: a plurality of through holes are arranged on the vertical plate along the edge position of the vertical plate, a plurality of screw holes corresponding to the through holes are arranged on the outer side surface of the frame longitudinal beam, the fastening parts are bolts, and the upper clamping part is fixed on the frame longitudinal beam after the bolts are matched with the through holes and the screw holes.

4. The plate spring support structure according to claim 2, characterized in that: a through hole is arranged at the bottom area of the outer side plate of the n-shaped clamping plate, and a screw hole coaxially arranged with the through hole is arranged on the inner side plate of the n-shaped clamping plate; the locking part is a bolt, the bolt is screwed in the screw hole through the through hole, the plate spring is limited through the bolt, and the plate spring is prevented from being separated from the upper clamping part.

5. The plate spring support structure according to claim 2, characterized in that: a wear-resistant block is arranged above the n-shaped clamping plate, at least one through hole is arranged on the top plate of the n-shaped clamping plate, a screw hole coaxially arranged with the through hole is arranged on the wear-resistant block, and the wear-resistant block is fixed in the n-shaped clamping plate through the cooperation of the bolt, the through hole and the screw hole.

6. The plate spring support structure according to claim 5, characterized in that: a dismounting groove is arranged at two corners of the upper part of the n-shaped clamping plate, and the wear-resistant block is dismounted through the insertion of a pry bar in the dismounting groove.

7. The plate spring support structure according to claim 2, characterized in that: at least one support with a threaded hole is further arranged on the outer side plate of the n-shaped clamping plate, the support is used for fixing an external connecting plate through a screw, and a plurality of clamps for fastening oil pipes are fixed on the external connecting plate.

8. The plate spring support structure according to claim 2, characterized in that: the web plate extends horizontally and outwardly along the top surface of the top plate of the n-shaped clamping plate from the included angle between the vertical plate and the n-shaped clamping plate, and then extends vertically and downwardly along the outer side plate of the n-shaped clamping plate.

9. The plate spring support structure according to claim 1, characterized in that: the lower clamping part is composed of an n-shaped clamping plate and an arc-shaped supporting plate arranged in the n-shaped clamping plate.

10. The plate spring support structure according to claim 9, characterized in that: ​ ​ The top plate of the n-shaped clamping plate is provided with a plurality of through holes, the bottom surface of the frame longitudinal beam is provided with a plurality of threaded holes corresponding to the through holes, the fastening component is a bolt, and the plurality of bolts are fixed on the frame longitudinal beam after being matched with the through holes and the threaded holes. The bottom of each of the two side plates of the n-shaped clamping plate is provided with a through hole extending along the length direction of the frame longitudinal beam; the hinged end of the longitudinal pull-up rod is provided with a connecting plate, the two ends of the connecting plate are each provided with a connecting hole, and the two connecting holes are aligned with the two through holes on the n-shaped clamping plate, then the bolt is sequentially threaded through the connecting holes and the through holes, and the connecting plate is fixed on the n-shaped clamping plate through bolt fastening, and the rod part of the longitudinal pull-up rod is located in the n-shaped clamping plate.

11. The leaf spring support structure of claim 1, wherein: The leaf spring support structure is an integral cast steel structure.

12. A chassis comprising a frame rail, a leaf spring and an axle, the leaf spring having a central region fixed to the axle, characterised in that: The two transverse end portions of the leaf spring are connected together with the frame longitudinal beam through a leaf spring support structure according to any one of claims 1 to 11.

13. A non-highway wide-body dump truck, comprising: The chassis of claim 12.

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