CN221075062U - Off-highway wide body car becomes rigidity leaf spring - Google Patents
Off-highway wide body car becomes rigidity leaf spring Download PDFInfo
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- CN221075062U CN221075062U CN202323219404.3U CN202323219404U CN221075062U CN 221075062 U CN221075062 U CN 221075062U CN 202323219404 U CN202323219404 U CN 202323219404U CN 221075062 U CN221075062 U CN 221075062U
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- 229910000831 Steel Inorganic materials 0.000 abstract description 53
- 239000010959 steel Substances 0.000 abstract description 53
- 239000000725 suspension Substances 0.000 abstract description 21
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses an off-highway wide-body vehicle variable-stiffness steel plate spring which comprises a main steel plate spring, wherein a plurality of auxiliary steel plate springs are arranged below the main steel plate spring, a first fixing plate is arranged above the main steel plate spring, a second fixing plate is arranged below the auxiliary steel plate spring, the middle parts of the first fixing plate and the second fixing plate are fixedly connected through positioning screws, two positioning holes are formed in the two ends of the first fixing plate and the two ends of the second fixing plate, U-shaped positioning rods are inserted into four positioning holes located on one side of the main steel plate spring, fastening nuts are arranged below the second fixing plate of the U-shaped positioning rods, and spring clamps are arranged at the ends of the main steel plate spring and the auxiliary steel plate spring. The leaf spring has the advantages of simple structure, good comfort, adjustable spring leaf stiffness, low probability of longitudinal displacement of the leaf spring, and effectively prolonged service life of the upper installation parts of the front suspension.
Description
Technical Field
The utility model relates to the technical field of leaf springs, in particular to a variable stiffness leaf spring for an off-highway wide vehicle.
Background
Off-highway wide body vehicles are commonly used for the transportation of earthwork and mineral products in engineering sites, the front suspension of the off-highway wide body vehicle has large bearing capacity, and the front suspension of the vehicle has large load variation (about 10 tons in idle load and about 20 tons in full load). The existing mining wide body dumper front suspension mainly comprises a single leaf spring suspension, a main leaf spring suspension, a subsidiary leaf spring suspension and an oil-gas suspension, wherein the three types of suspensions have advantages and disadvantages, the single leaf spring is simple in structure and low in failure rate, but the leaf spring is hard, and the empty car comfort is extremely poor; compared with the first one, the main and auxiliary leaf spring suspensions have improved comfort, but have complex structure, increased cost and low reliability, and meanwhile, the height of the front suspension is increased to cause the front and rear of the vehicle to be high and low; the hydro-pneumatic suspension can well solve the problem of poor vehicle comfort, but has the highest cost and the highest later maintenance cost and difficulty; moreover, the existing mining wide dump truck has the defects that the longitudinal displacement of the leaf spring is overlarge due to the breakage of the suspension pull rod, and finally the damage of an engine or a motor part is caused; therefore, we propose a variable stiffness leaf spring for off-highway wide body vehicles.
Disclosure of utility model
In order to solve the problems, the utility model provides the variable stiffness steel plate spring of the off-highway wide body vehicle. The utility model solves the problems that the single steel plate spring has simple structure and low failure rate, but the steel plate is hard and the empty car comfort is extremely poor; compared with the first one, the main and auxiliary leaf spring suspensions have improved comfort, but have complex structure, increased cost and low reliability, and meanwhile, the height of the front suspension is increased to cause the front and rear of the vehicle to be high and low; the hydro-pneumatic suspension can well solve the problem of poor vehicle comfort, but has the highest cost and the highest later maintenance cost and difficulty; further, the conventional mining wide dump truck has the problem that the longitudinal displacement of the leaf spring is too large due to the breakage of the suspension pull rod, and finally the damage of an engine or a motor part is caused.
The utility model relates to an off-highway wide-body vehicle variable stiffness steel plate spring which comprises a main steel plate spring, wherein a plurality of main steel plate springs are arranged, a plurality of auxiliary steel plate springs are arranged below the main steel plate springs, a first fixing plate is arranged above the main steel plate springs, a second fixing plate is arranged below the auxiliary steel plate springs, the middle parts of the first fixing plate and the second fixing plate are fixedly connected through positioning screws, two positioning holes are formed in the two ends of the first fixing plate and the second fixing plate, U-shaped positioning rods are inserted into four positioning holes in one side of the main steel plate springs, fastening nuts are arranged below the U-shaped positioning rods, and spring clamps are arranged at the ends of the main steel plate springs and the auxiliary steel plate springs.
In the scheme, the section of the main leaf spring is in an upward arc shape.
In the scheme, the section of the auxiliary leaf spring is in an inverted cone shape.
In the above-mentioned scheme, the spring clamp includes first U template, first U template joint is in main leaf spring top, first U template is located vice leaf spring below and is equipped with the second U template, first U template lower extreme both sides all are equipped with the mounting groove, be equipped with on the second U template with mounting groove assorted mounting hole, through fixing bolt fixed connection between first U template and the second U template.
In the scheme, the two ends of the main leaf spring positioned at the uppermost part are provided with the bushings.
The utility model has the advantages and beneficial effects that: the utility model provides an off-highway wide-body vehicle variable stiffness steel plate spring, which greatly improves the comfort of a vehicle and reduces the driving fatigue of a driver through the mutual matching between a main steel plate spring and an auxiliary steel plate spring, and simultaneously indirectly improves the service life of installation parts at the upper part of a front suspension, wherein a first fixing plate, the main steel plate spring, the auxiliary steel plate spring and a second fixing plate can be tightly connected, and meanwhile, the main steel plate spring and the auxiliary steel plate spring are clamped through the mutual matching between a U-shaped locating rod and the first fixing plate and the second fixing plate, so that the phenomenon of longitudinal displacement of the steel plate spring is effectively avoided. The rigidity of the leaf spring can be adjusted through the adjustment of the position of the spring clamp. The leaf spring has the advantages of simple structure, good comfort, adjustable spring leaf stiffness, low probability of longitudinal displacement of the leaf spring, and effectively prolonged service life of the upper installation parts of the front suspension.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of an exploded construction of the spring clip of the present utility model.
In the figure: 1. the main leaf spring 2, the auxiliary leaf spring 3, the first fixing plate 4, the second fixing plate 5, the positioning screw 6, the positioning hole 7, the U-shaped positioning rod 8 and the fastening nut
9. Spring clip 91, first U-shaped plate 92, second U-shaped plate 93, and mounting groove
94. Mounting holes 95, fixing bolts 10, bushings.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
As shown in figures 1-2, the utility model relates to an off-highway wide-body vehicle variable stiffness steel plate spring, which comprises a plurality of main steel plate springs 1, wherein a plurality of auxiliary steel plate springs 2 are arranged below the main steel plate springs 1, two ends of each main steel plate spring 1 are respectively connected with a plate spring front support and a plate spring rear support, so that when a vehicle runs in a free state, the main steel plate springs 1 work, when the vehicle is parked and loaded to be fully loaded, the main steel plate springs 1 and the auxiliary steel plate springs 2 work simultaneously, the integral bearing capacity of the steel plate springs is effectively ensured, the comfort of the vehicle is greatly improved, the driving fatigue of a driver is reduced, the service life of parts mounted on the upper part of a front suspension is also indirectly improved, a first fixing plate 3 is arranged above the main steel plate springs 1, the lower part of the auxiliary steel plate spring 2 is provided with a second fixing plate 4, the middle parts of the first fixing plate 3 and the second fixing plate 4 are fixedly connected through a positioning screw 5, two ends of the first fixing plate 3 and the second fixing plate 4 are respectively provided with two positioning holes 6, four positioning holes 6 positioned at one side of the main steel plate spring 1 are internally inserted with U-shaped positioning rods 7, the U-shaped positioning rods 7 are positioned below the second fixing plate 4 and are provided with fastening nuts 8, the positioning screw 5 is inserted with the first fixing plate 3, the main steel plate spring 1, the auxiliary steel plate spring 2 and the second fixing plate 4, so that the first fixing plate 3, the main steel plate spring 1, the auxiliary steel plate spring 2 and the second fixing plate 4 can be tightly connected, the main steel plate spring 1 and the auxiliary steel plate spring 2 are clamped through the mutual matching between the U-shaped positioning rods 7 and the first fixing plate 3 and the second fixing plate 4, the phenomenon of leaf spring longitudinal displacement has effectually been avoided taking place, main leaf spring 1 and vice leaf spring 2 tip are equipped with spring clamp 9, and spring clamp 9 can carry out spacingly to main leaf spring 1 and vice leaf spring 2 tip, and the position of spring clamp 9 can be adjusted to make the rigidity between main leaf spring 1 and the vice leaf spring 2 adjustable.
The section of the main leaf spring 1 is arc-shaped upwards.
The section of the auxiliary leaf spring 2 is in an inverted cone shape.
The spring clamp 9 comprises a first U-shaped plate 91, the first U-shaped plate 91 is clamped above the main steel plate spring 1, the first U-shaped plate 91 is arranged below the auxiliary steel plate spring 2 and is provided with a second U-shaped plate 92, mounting grooves 93 are formed in two sides of the lower end of the first U-shaped plate 91, mounting holes 94 matched with the mounting grooves 93 are formed in the second U-shaped plate 92, the first U-shaped plate 91 is fixedly connected with the second U-shaped plate 92 through fixing bolts 95, the second U-shaped plate 92 is movably connected with the first U-shaped plate 91, the second U-shaped plate 92 can move in the vertical direction inside the first U-shaped plate 91, and when the spring clamp 9 is adjusted in the horizontal direction, the angle between the main steel plate spring 1 and the auxiliary steel plate spring 2 is adjusted, so that the rigidity of the steel plate spring can be adjusted through adjustment of the position of the spring clamp 9.
The two ends of the main leaf spring 1 positioned at the uppermost part are respectively provided with a bushing 10, and the leaf spring can be connected with the leaf spring front support and the leaf spring rear support through the bushings 10.
Specifically, in the utility model, the leaf springs are connected with the leaf spring front support and the leaf spring rear support through the bushings 10 at the two ends of the main leaf spring 1, when the vehicle runs empty, the main leaf spring 1 works, when the vehicle is parked and loaded to be fully loaded, the main leaf spring 1 and the auxiliary leaf spring 2 work simultaneously, the comfort of the vehicle is greatly improved through the mutual cooperation between the main leaf spring 1 and the auxiliary leaf spring 2, the driving fatigue of a driver is lightened, the service life of the upper installation part of the front suspension is indirectly improved, the positioning screw 5 is inserted into the first fixing plate 3, the main leaf spring 1, the auxiliary leaf spring 2 and the second fixing plate 4, so that the first fixing plate 3, the main leaf spring 1, the auxiliary leaf spring 2 and the second fixing plate 4 can be tightly connected, meanwhile, the main leaf spring 1 and the auxiliary leaf spring 2 are clamped through the mutual cooperation between the U-shaped positioning rod 7 and the first fixing plate 3 and the second fixing plate 4, the occurrence of longitudinal displacement of the leaf spring is effectively avoided, the clamp angle of the leaf spring 1 and the auxiliary leaf spring 2 can be adjusted when the leaf spring 9 is adjusted in the horizontal direction, and the clamp angle of the leaf spring 9 is adjusted, and the clamp angle between the leaf spring 1 and the leaf spring is adjusted.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides an off-highway broad body car becomes rigidity leaf spring, includes main leaf spring (1), its characterized in that, main leaf spring (1) are equipped with a plurality of, main leaf spring (1) below is equipped with a plurality of vice leaf spring (2), main leaf spring (1) top is equipped with first fixed plate (3), vice leaf spring (2) below is equipped with second fixed plate (4), first fixed plate (3) and second fixed plate (4) middle part are through locating screw (5) fixed connection, first fixed plate (3) and second fixed plate (4) both ends all are equipped with two locating holes (6), are located peg graft in four locating holes (6) of main leaf spring (1) one side have U type locating lever (7), U type locating lever (7) are located second fixed plate (4) below and are equipped with fastening nut (8), main leaf spring (1) and vice leaf spring (2) tip are equipped with spring clamp (9).
2. The off-highway wide body vehicle variable stiffness leaf spring as claimed in claim 1, wherein the main leaf spring (1) has an upward arc-shaped cross section.
3. The off-highway wide body vehicle variable stiffness leaf spring as claimed in claim 1, wherein the section of the secondary leaf spring (2) is in an inverted cone shape.
4. The off-highway wide body car becomes rigidity leaf spring according to claim 1, characterized in that, spring clamp (9) include first U template (91), first U template (91) joint is in main leaf spring (1) top, first U template (91) are located vice leaf spring (2) below and are equipped with second U template (92), first U template (91) lower extreme both sides all are equipped with mounting groove (93), be equipped with on second U template (92) with mounting groove (93) assorted mounting hole (94), through fixing bolt (95) fixed connection between first U template (91) and second U template (92).
5. An off-highway wide body car variable rate leaf spring according to claim 1, characterized in that the two ends of the main leaf spring (1) located uppermost are provided with bushings (10).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221075062U true CN221075062U (en) | 2024-06-04 |
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