Multi-terrain-clearance front suspension counterweight adaptive to second-class and third-class suspensions and tractor

By setting multiple mounting points and an adjustable connection structure on the front suspension counterweight of the tractor, the problem of fixed suspension type and ground clearance in the prior art is solved, realizing universal adaptation to Class II and Class III suspensions and multiple ground clearance adjustments, thus improving the applicability of the tractor.

CN223467223UActive Publication Date: 2025-10-24LOVOL HEAVY IND CO LTD
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Patent Information

Application Number
CN202423209583.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-10-24
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The ground clearance of the front suspension counterweight of existing tractors is fixed, which cannot be adapted to Class II and Class III suspensions, resulting in poor versatility.

Method used

Design a front suspension counterweight system with multiple ground clearance heights that is compatible with Class II and Class III suspensions. By setting multiple sets of mounting points and adjustable connection structures on the counterweight blocks, the system can adapt to different suspension types and adjust the ground clearance height.

Benefits of technology

It achieves universal compatibility with Class II and Class III suspensions, and can adjust various ground clearances to meet the assembly requirements of different vehicle models, thus improving versatility and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of agricultural equipment, in particular to a multi-terrain-clearance front suspension counterweight and a tractor which are adaptive to second-class and third-class suspensions. The multi-terrain-clearance front suspension counter weight comprises a counter weight block, a front suspension upper pull rod support and a front suspension lower pull rod support, the front suspension upper pull rod support is fixed to the middle area of the rear side of the upper end of the counter weight block, and two sets of first installation point positions which are vertically distributed at intervals are arranged on the front suspension upper pull rod support. The two sets of front suspension lower pull rod supports are symmetrically installed in the middle area of the left side and the right side of the rear end of the balancing weight, and the side end of the balancing weight is provided with a plurality of second installation point positions which are used for assembling the front suspension lower pull rod supports and are different in height. The lifting device has the advantages that the structural design is simple and reasonable, the lifting device can adapt to connection of second-class and third-class suspensions and adjust various ground clearances of the balance weight, so that the ground clearance assembly height requirements of different vehicle types are met, and the lifting device is high in universality.
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Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery equipment field, especially a kind of front suspension counterweight of multiple ground clearance of adaptation two and three suspensions and tractor. BACKGROUND

[0002] At present, the assembly of tractor front suspension counterweight is fixed height, and only corresponding matching model (that is, suspension counterweight either adapts two suspensions, or adapts three suspensions), in addition, the ground clearance of front suspension counterweight is fixed and not adjustable, that is, the ground clearance is also designed to specific height according to the model of two or three suspensions. Therefore, the overall suspension versatility is poor.

[0003] Therefore, it is necessary to develop a front suspension counterweight of multiple ground clearance of adaptation two and three suspensions and tractor to overcome the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem to provide a front suspension counterweight of multiple ground clearance of adaptation two and three suspensions and tractor, which effectively overcomes the defects of the prior art.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A front suspension counterweight of multiple ground clearance of adaptation two and three suspensions and tractor, comprising a counterweight block, a front suspension upper pull rod support and a front suspension lower pull rod support, the front suspension upper pull rod support is fixed to the rear middle region of the upper end of the counterweight block, and has two groups of first mounting points distributed vertically on it, the front suspension lower pull rod support is provided with two groups and symmetrically installed in the middle region of the left and right sides of the rear end of the counterweight block, and the side end of the counterweight block is provided with a plurality of second mounting points for assembling the front suspension lower pull rod support and having different heights.

[0007] On the basis of the above technical solution, the utility model can also be improved as follows.

[0008] Further, the front suspension upper pull rod support comprises a bottom plate and two vertical plates, the bottom plate is horizontally attached to the upper end of the counterweight block and assembled with the upper end of the counterweight block by a plurality of first bolts penetrating through it, the two vertical plates are both vertically arranged and horizontally spaced and parallel, the lower ends of the two vertical plates are respectively fixed to the upper end of the bottom plate, the upper ends of the two vertical plates are provided with first pin holes and second pin holes vertically spaced, the end of the front suspension upper pull rod is inserted between the two vertical plates and assembled with the vertical plates by a positioning pin penetrating through the first pin hole or the second pin hole, and the first pin hole and the second pin hole constitute the first mounting point.

[0009] Further, the two aforementioned vertical plates are provided with reinforcing plate surfaces at positions corresponding to the first pin hole or the second pin hole on the side close to each other.

[0010] Further, the two aforementioned vertical plates are inclined upward to the front side as a whole, and a reinforcing rib plate inclined upward to the front side as a whole is fixed between the lower parts of the two aforementioned vertical plates.

[0011] Further, the left and right sides of the rear end of the aforementioned counterweight are respectively provided with recessed areas, and the wall surfaces of the recessed areas close to each other are respectively provided with the aforementioned front suspension lower pull rod supports.

[0012] Further, a plurality of groups of bolt holes are provided on the middle areas of the left and right sides of the rear end of the aforementioned counterweight and are spaced at equal intervals in the up-down direction, each group of the aforementioned bolt holes is provided with two bolt holes spaced at equal intervals in the front-rear direction, the aforementioned front suspension lower pull rod supports are fixed by fixing bolts and are threadedly connected with two or three groups of the aforementioned bolt holes, and the aforementioned bolt holes constitute the aforementioned second mounting points.

[0013] Further, the aforementioned front suspension lower pull rod support comprises a fixed plate surface and a pull rod pin, the fixed plate surface is attached to the two sides of the aforementioned counterweight and is threadedly connected with one or two groups of the aforementioned bolt holes by the aforementioned fixing bolts, and the pull rod pin extends horizontally in the left-right direction and is perpendicularly connected with one end of the aforementioned fixed plate surface.

[0014] Further, the aforementioned fixed plate surface is a square plate surface, the aforementioned pull rod pin is spaced from the center of the aforementioned fixed plate surface in the vertical direction, the aforementioned front suspension lower pull rod support can be inverted in the up-down direction and is assembled to the side end of the aforementioned counterweight, so that the assembly height of the aforementioned pull rod pin is changed.

[0015] Further, the aforementioned bolt holes are provided with five groups, the aforementioned fixed plate surface is provided with three groups of through holes spaced at equal intervals in the up-down direction, the spacing between the two adjacent groups of the aforementioned through holes is consistent with the spacing between the two adjacent groups of the aforementioned bolt holes, each group of the aforementioned through holes is provided with two through holes spaced at equal intervals in the front-rear direction, the spacing between the two aforementioned through holes is consistent with the spacing between the two aforementioned bolt holes in each group, and the three groups of the aforementioned through holes on the aforementioned fixed plate surface are aligned with any three adjacent groups of the aforementioned bolt holes on the side of the aforementioned counterweight and are assembled by fixing bolts penetrating the aforementioned through holes and the corresponding bolt holes.

[0016] The utility model discloses the beneficial effect is: simple, reasonable structure design can adapt to the connection of two and three suspensions, and the various ground clearance of the counterweight is adjusted, so that the ground assembly height demand of different vehicle types is satisfied, and the versatility is stronger.

[0017] Also provided is a tractor comprising a front suspension counterweight with multiple ground clearances adapted to two and three suspensions. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1A perspective view of the structure of the front suspension counterweight of the present invention with multiple ground clearances suitable for Class II and Class III suspensions;

[0019] Figure 2 This is a side view of the structure of the front suspension counterweight of the present invention that is suitable for Class II and Class III suspensions with different ground clearance heights;

[0020] Figure 3 This is a schematic structural diagram of the front suspension upper tie rod bracket in the front suspension counterweight with multiple ground clearances suitable for Class II and Class III suspensions of the present invention.

[0021] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0022] 1. Counterweight; 2. Front suspension upper tie rod bracket; 3. Front suspension lower tie rod bracket; 11. Bolt hole; 21. Bottom plate; 22. Vertical plate; 23. Reinforcement plate; 31. Fixed plate surface; 32. Tie rod pin; 221. First pin hole; 222. Second pin hole. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0024] Example

[0025] like Figure 1 and 2 As shown, the front suspension counterweight of multiple ground clearances suitable for Class II and Class III suspensions of this embodiment includes a counterweight block 1, a front suspension upper tie rod bracket 2 and a front suspension lower tie rod bracket 3. The above-mentioned front suspension upper tie rod bracket 2 is fixed to the middle area behind the upper end of the above-mentioned counterweight block 1, and has two groups of first installation points spaced apart in the upper and lower directions. The above-mentioned front suspension lower tie rod bracket 3 is provided with two groups and is symmetrically installed in the middle area on the left and right sides of the rear end of the above-mentioned counterweight block 1, and the side end of the above-mentioned counterweight block 1 is provided with multiple second installation points of different heights for assembling the front suspension lower tie rod bracket 3.

[0026] The front suspension counterweight of the multi-ground clearance of the second and third type suspension in the embodiment is assembled, the front suspension upper pull rod is assembled and connected with any one group of first mounting points of the front suspension upper pull rod support 2, at the same time, the front suspension lower pull rod is assembled with the front suspension lower pull rod support 3 on both sides of the counterweight 1, since the front suspension lower pull rod support 3 can also adjust the height of the installation through different second mounting points, more specifically, two groups of first mounting points are respectively matched with the upper pull rod assembly of the second and third type suspension, the assembly of the front suspension lower pull rod support 3 at multiple different heights of the second mounting points makes the counterweight 1 have multiple different ground clearances, the overall structure design is simple and reasonable, can match the connection of the second and third type suspension, and adjust the multiple ground clearances of the counterweight, thereby meeting the ground assembly height requirements of different vehicle models, and having high universality.

[0027] As a preferred embodiment, as shown in Figure 3 The front suspension upper pull rod support 2 includes a bottom plate 21 and two vertical plates 22, the bottom plate 21 is horizontally attached to the upper end of the counterweight 1 and assembled with the upper end of the counterweight 1 through multiple groups of first bolts penetrating the bottom plate 21, the two vertical plates 22 are both vertically arranged and distributed in parallel with a left-right interval, the lower ends of the two vertical plates 22 are respectively fixed to the upper end of the bottom plate 21, the upper ends of the two vertical plates 22 are provided with first pin holes 221 and second pin holes 222 penetrating left and right, the end of the front suspension upper pull rod is inserted between the two vertical plates 22 and assembled with the vertical plates 22 through the positioning pin penetrating the first pin hole 221 or the second pin hole 222, and the first pin hole 221 and the second pin hole 222 respectively constitute the first mounting point.

[0028] In the above embodiment, the end of the front suspension upper pull rod is inserted between the two vertical plates 22, and assembled with the pin hole on the front suspension upper pull rod through the positioning pin penetrating the first pin hole 221 or the second pin hole 222, since the first pin hole 221 and the second pin hole 222 are at different heights, the assembly of different heights can match the assembly connection of the second or third type suspension. And the pin connection method is adopted, and the precision is higher, and the disassembly and assembly are relatively fast.

[0029] In the embodiment, the side of the two vertical plates 22 close to each other corresponds to the part of the first pin hole 221 or the second pin hole 222, and is provided with a reinforcing plate face a (the reinforcing plate face is fixed by welding with the vertical plate 22). The reinforcing plate face is a protruding boss face, which can structure the part where the first pin hole 221 and the second pin hole 222 are arranged.

[0030] In the embodiment, the two upright plates 22 are inclined upward and forward as a whole, and a reinforcing rib plate 23 inclined upward and forward as a whole is fixed between the lower portions of the two upright plates 22. The design of the reinforcing rib plate 23 can enhance the structural strength of the connection between the upright plates 22 and avoid deformation. The size and height of the reinforcing rib plate 23 are set in consideration of the size of the front suspension, and there is no interference when the front suspension mechanism is at the limit position of lifting and lowering.

[0031] In the embodiment, the left and right sides of the rear end of the counterweight 1 are respectively provided with recessed areas b, and the front suspension lower pull rod bracket 3 is respectively assembled on the mutually close wall surfaces of the recessed areas. The design of the recessed areas makes the width of the front end of the counterweight 1 larger and the center of gravity more stable, and meanwhile, does not affect the assembly size of the front suspension lower pull rod.

[0032] As a preferred embodiment, a plurality of groups of bolt holes 11 are arranged on the middle area of the left and right sides of the rear end of the counterweight 1 and are spaced apart at equal intervals upward and downward, each group of the bolt holes 11 is provided with two bolt holes 11 spaced apart forward and backward, the front suspension lower pull rod bracket 3 is fixedly connected with two or three groups of the bolt holes 11 through fixing bolts, and the bolt holes 11 constitute the second mounting point.

[0033] In the embodiment, when assembled, the height of the front suspension lower pull rod bracket 3 is adjusted, the fixing bolts assembled on the front suspension lower pull rod bracket 3 are inserted into and screwed with any two or three adjacent groups of the bolt holes 11, so as to achieve the purpose of adjusting the assembly height of the front suspension lower pull rod bracket 3 on the counterweight 1, and each assembly height corresponds to a ground clearance.

[0034] In the embodiment, the front suspension lower pull rod bracket 3 includes a fixed plate surface 31 and a pull rod pin 32, the fixed plate surface 31 is attached to the two sides of the counterweight 1 and is fixedly connected with one or two groups of the bolt holes 11 through the fixing bolts, the pull rod pin 32 extends horizontally in the left-right direction and is fixedly connected with the fixed plate surface 31 at one end. The fixed plate surface 31 is attached to the side end of the counterweight 1 and is assembled through bolt connection, which is convenient to disassemble and assemble.

[0035] In the actual assembly process, a ball head is inserted on the pull rod pin 32, the ball head is limited by inserting a plug pin at the end of the pull rod pin 32 (the end away from the fixed plate surface 31), and then the ball socket of the end of the front suspension lower pull rod bracket is embedded with the ball head.

[0036] As a preferred embodiment, the fixed plate surface 31 is a square plate surface, the pull rod pin 32 is spaced apart from the center of the fixed plate surface 31 in the vertical direction, the front suspension lower pull rod bracket 3 can be inverted upward and downward and assembled on the side end of the counterweight 1, so as to change the assembly height of the pull rod pin 32.

[0037] In the above embodiment, the pull rod pin 32 is distributed "eccentrically" on the vertical center line of the fixed plate surface 31, and after the fixed plate surface 31 is inverted upside down in place, the pull rod pin 32 can have two different heights, and in combination with multiple groups of second mounting points, the ground clearance of the counterweight 1 can be combined into more types.

[0038] As a preferred embodiment, the bolt hole 11 is provided with five groups, the fixed plate surface 31 is provided with three groups of through holes c distributed at equal intervals upward and downward, the interval between the adjacent two groups of through holes is consistent with the interval between the adjacent two groups of bolt holes 11, each group of through holes is provided with two forward and backward interval distributed, and the interval between the two through holes is consistent with the interval between the two bolt holes 11 in each group, and the three groups of through holes on the fixed plate surface 31 are matched with any adjacent three groups of bolt holes 11 on the corresponding side of the counterweight 1, and are assembled by the fixed bolt penetrating the through hole and the corresponding bolt hole 11.

[0039] In the above embodiment, when the fixed plate surface 31 is assembled, because three groups of through holes are provided at equal intervals upward and downward, the three groups of through holes can be matched with the three groups of adjacent (continuous) bolt holes 11 one by one at a time, and then fixed by fixed bolts. Because the bolt hole 11 is provided with five groups, the assembly height of the fixed plate surface 31 at the side end of the counterweight 1 can have three changes, and in combination with the two changes in height after the front suspension lower pull rod support 3 is inverted upside down, the ground clearance of the counterweight 1 after being assembled with the front suspension has six changes, which can be used for most types of tractor front suspension counterweight assembly.

[0040] Embodiment 2

[0041] The tractor of the present embodiment includes the front suspension counterweight with multiple ground clearances suitable for the second and third types of suspensions in embodiment 1.

[0042] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0043] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or any meaning pertaining to the quantity of the features being described. Thus, a feature defined with "first", "second", etc. can include at least one of the features, explicitly or implicitly. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

[0044] In the present application, unless specifically defined and limited otherwise, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] In the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0046] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0047] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A multi-ground clearance front suspension weight adapted for both two and three class suspension, characterized by: The invention comprises a counterweight (1), a front suspension upper tie rod bracket (2) and a front suspension lower tie rod bracket (3), wherein the front suspension upper tie rod bracket (2) is fixed to the middle area of ​​the rear side of the upper end of the counterweight (1) and has two groups of first installation points spaced apart from each other, and the front suspension lower tie rod bracket (3) is provided with two groups and symmetrically installed in the middle areas on the left and right sides of the rear end of the counterweight (1), and the side end of the counterweight (1) is provided with a plurality of second installation points of different heights for assembling the front suspension lower tie rod bracket (3).

2. A front suspension weight of multiple ground clearance, adapted for suspension of both category II and III, according to claim 1, characterized in that: The front suspension upper pull rod bracket (2) includes a base plate (21) and two vertical plates (22), the base plate (21) is horizontally attached to the upper end of the counterweight block (1), and is assembled with the upper end of the counterweight block (1) through multiple groups of first bolts passing through it, the two vertical plates (22) are both vertically arranged and distributed in parallel with left and right intervals, the lower ends of the two vertical plates (22) are respectively fixed to the upper end of the base plate (21), and the upper ends of the two vertical plates (22) are provided with a first pin hole (221) and a second pin hole (222) passing through the left and right intervals, the end of the front suspension upper pull rod extends between the two vertical plates (22), and is assembled with the vertical plate (22) through a positioning pin passing through the first pin hole (221) or the second pin hole (222), the first pin hole (221) and the second pin hole (222) respectively constitute the first installation point.

3. A front suspension weight of multiple ground clearance, adapted for suspension of both category II and III, according to claim 2, characterized in that: A reinforcement plate surface is provided at a location corresponding to the first pin hole (221) or the second pin hole (222) on one side of the two vertical plates (22) that are close to each other.

4. A front suspension weight of multiple ground clearance, adapted for suspension of both category II and III, according to claim 2, characterized in that: The two vertical plates (22) are both tilted toward the upper front side as a whole, and a reinforcing rib plate (23) is fixed between the lower parts of the two vertical plates (22) and is tilted toward the upper front side as a whole.

5. A front suspension weight of multiple ground clearance, adapted for suspension of both category II and III, according to claim 1, characterized in that: The left and right sides of the rear end of the counterweight block (1) are respectively provided with recessed areas, and the front suspension lower pull rod brackets (3) are respectively mounted on the mutually adjacent walls of the recessed areas.

6. A front suspension weight of multiple ground clearance, adapted for suspension of both category II and III, according to claim 1, characterized in that: A plurality of groups of bolt holes (11) are provided in the middle areas on the left and right sides of the rear end of the counterweight block (1) at equal intervals, and each group of the bolt holes (11) is provided with two bolt holes (11) spaced apart from each other. The front suspension lower tie rod bracket (3) is threadedly connected and fixed to two or three groups of the bolt holes (11) by fixing bolts, and the bolt holes (11) constitute the second mounting point.

7. A front suspension weight of multiple ground clearance, adapted for suspension of both category II and III, according to claim 6, characterized in that: The front suspension lower tie rod bracket (3) includes a fixed plate surface (31) and a tie rod pin (32), wherein the fixed plate surface (31) is attached to both sides of the counterweight (1) and is threadedly connected and fixed to one or two groups of bolt holes (11) through the fixing bolts, and the tie rod pin (32) extends horizontally in the left and right directions, and one end is vertically connected and fixed to the fixed plate surface (31).

8. A front suspension weight of multiple ground clearance, adapted for suspension of both category II and III, according to claim 7, characterized in that: The fixed plate surface (31) is a square plate surface, and the pull rod pin (32) is spaced apart from its centroid in the vertical direction. The front suspension lower pull rod bracket (3) can be turned upside down and assembled on the side end of the counterweight block (1), thereby changing the assembly height of the pull rod pin (32).

9. A front suspension weight of multiple ground clearance, adapted for suspension of both category II and III, according to claim 8, characterized in that: The bolt hole (11) is provided with five groups, the fixed plate surface (31) is provided with three groups of through holes which are distributed at equal intervals from top to bottom, the interval between two adjacent groups of through holes is consistent with the interval between two adjacent groups of bolt holes (11), each group of through holes is provided with two through holes which are distributed at intervals from front to back, and the interval between the two through holes is consistent with the interval between the two bolt holes (11) in each group, the three groups of through holes on the fixed plate surface (31) are aligned with any three adjacent groups of bolt holes (11) on the corresponding side of the counterweight (1), and are assembled by fixed bolts penetrating through the through holes and the corresponding bolt holes (11).

10. A tractor characterised in that: A front suspension counterweight with multiple ground clearance for adapting two and three suspension types as claimed in any of claims 1 to 9.