CN218558489U - Stopper assembly and tractor - Google Patents

Abstract

The utility model discloses a limit block assembly and a tractor, the limit block assembly is arranged between the vehicle frame and the axle, the limit block assembly includes a bottom plate and a buffer block; the seat plate The material includes nylon material, and the connecting part and the installation part distributed up and down are formed on the seat plate, and the connecting part is used to be fixedly connected with the longitudinal beam of the vehicle frame; Contact with the axle buffer. The material of the seat plate in the utility model is selected as nylon material, instead of the existing metal material, the density of the nylon material is only 15% of the metal material (such as steel), and the limit block assembly can be effectively realized. Compared with metal materials (such as steel), the use of nylon material for the seat plate can reduce the weight by about 43%, which reduces the weight of the entire limit block assembly and solves the problem of the existing limit block assembly. The problem of heavy weight.

Description

A limit block assembly and a tractor

technical field

The utility model relates to the technical field of tractors, in particular to the technical field of tractor suspension systems, in particular to a limit block assembly and a tractor.

Background technique

With the development of commercial vehicles, market competition is becoming more and more fierce, especially in the field of heavy trucks, and tractors account for nearly 70% of the heavy truck market. If a company can do a good job in tractors, its competitive advantage is particularly obvious. Because of the brutal competitive environment, the requirements for the whole vehicle are higher, and the components that make up the whole vehicle are the parts, and the design advantages of the parts are very important; how to make the parts more integrated, stronger, more reliable, and lighter in weight , is the goal pursued by major car companies; the commercial vehicle 6×4 models currently on the market have a variety of rear limit block assemblies, please refer to Figure 1 and Figure 2, the limit block assembly 2 is an important part of the suspension system The component is used to limit the stroke of the suspension system and buffer the impact transmitted from the axle 3 to the frame 1, as shown in Fig. 1 . Existing stop block assembly all adopts the structure that metal adds rubber, promptly prior art stop block assembly uses steel support 21 and rubber block 22 to combine (as shown in accompanying drawing 2), and weight is heavy.

Utility model content

The main purpose of the utility model is to provide a limit block assembly and a tractor, aiming at solving the problem of the existing limit block assembly having a large weight.

In order to achieve the above purpose, a limit block assembly proposed by the utility model is arranged between the vehicle frame and the axle, and the limit block assembly includes:

The seat plate, the material of the seat plate includes nylon material, the connecting portion and the installation portion distributed up and down are formed on the seat plate, and the connecting portion is used for fixed connection with the longitudinal beam of the vehicle frame; and,

The buffer block is arranged on the installation part, and is used for buffering and contacting with the axle.

Optionally, the seat plate includes a connecting plate extending up and down and a base provided at the lower end of the connecting plate;

The connection part includes the connection plate;

The mounting portion includes the base.

Optionally, in a direction from bottom to top, the section of the connecting plate is gradually reduced.

Optionally, the lower end of the connecting plate is connected to the edge of the upper end surface of the base;

The side end surface of the connecting plate towards the middle of the base is used to abut against the side end surface of the longitudinal beam of the vehicle frame, and the upper end surface of the base is used to abut against the lower wing surface of the longitudinal beam of the vehicle frame .

Optionally, a plurality of weight-reducing grooves arranged along the width direction of the connecting plate are opened on the upper end surface of the base, and each of the weight-reducing grooves runs through the side wall facing away from the connecting plate.

Optionally, the plurality of weight-reducing grooves include two end weight-reducing grooves, and the side walls of the two end weight-reducing grooves facing away from each other are set through.

Optionally, in the up and down direction, first holes penetrating through the base are formed in the weight-reducing grooves at the two ends;

A second hole corresponding to the first hole is formed on the buffer block;

The limiting block assembly further includes flange bolts, and the flange bolts pass through the second hole and the first hole in turn to fix the buffer block on the lower end of the base.

Optionally, elongated holes extending up and down are formed on the connecting plate, and connecting bolts are arranged in the elongated holes to fix and install the connecting plate on the longitudinal beam of the vehicle frame.

Optionally, the width of the elongated hole is D, where 15mm≤D≤18mm; and/or,

The length of the elongated hole is H, wherein, 17mm≤H≤20mm.

In addition, the utility model also proposes a tractor, including the above-mentioned limiting block assembly, and the limiting block assembly includes:

The seat plate, the material of the seat plate includes nylon material, the connecting portion and the installation portion distributed up and down are formed on the seat plate, and the connecting portion is used for fixed connection with the longitudinal beam of the vehicle frame; and,

The buffer block is arranged on the installation part, and is used for buffering and contacting with the axle.

In the technical solution of the utility model, the material of the seat plate is selected as nylon material instead of the existing metal material, and the density of the nylon material is only 15% of that of metal material (such as steel), which can effectively realize the The light weight of the limit block assembly, compared with metal materials (such as steel), the nylon material of the seat plate can reduce the weight by about 43%, which reduces the weight of the entire limit block assembly, thereby achieving light weight. Quantification; the seat plate includes a connecting portion and a mounting portion, and the connecting portion and the mounting portion are perpendicular to each other, so that the mounting portion can increase the strength of the connecting portion and prevent it from being caused by stamping force. Deformation, secondly, the installation part can increase the contact area between the buffer block and the connecting part, so that the buffer block and the seat plate are connected more closely, and the buffer block is prevented from falling off due to impact force.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.

Fig. 1 is a schematic diagram of cooperation between a limit block assembly, a vehicle frame and an axle in the prior art;

Fig. 2 is a structural schematic diagram of a limiting block assembly in the prior art;

Fig. 3 is a structural schematic diagram of the cooperation of the limit block assembly provided by the utility model with the vehicle frame and the axle;

Fig. 4 is a schematic structural view of an embodiment of the limiting block assembly provided by the present invention;

Fig. 5 is a schematic structural view of the seat plate in Fig. 1;

Fig. 6 is a schematic diagram of the structure of the buffer block in Fig. 1 .

Explanation of reference numbers:

label name label name 1 frame 102 Installation Department 2 limit block assembly 103 connecting plate twenty one steel frame 104 base twenty two rubber block 1041 weight loss slot 3 Axle 105 first hole 100 Limit block assembly 106 Long hole 10 Base plate 20 buffer block 101 Connection 201 second hole

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present utility model, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the relative positional relationship, movement conditions, etc. between the components shown in the figure below are changed, if the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. Implying their relative importance or implying the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the meaning of "and/or" appearing in the whole text includes three parallel schemes, taking "A and/or B" as an example, including scheme A, scheme B, or schemes that both A and B satisfy. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

With the development of commercial vehicles, market competition is becoming more and more fierce, especially in the field of heavy trucks, and tractors account for nearly 70% of the heavy truck market. If a company can do a good job in tractors, its competitive advantage is particularly obvious. Because of the brutal competitive environment, the requirements for the whole vehicle are higher, and the components that make up the whole vehicle are the parts, and the design advantages of the parts are very important; how to make the parts more integrated, stronger, more reliable, and lighter in weight , is the goal pursued by major car companies; the commercial vehicle 6×4 models currently on the market have a variety of rear limit block assemblies, please refer to Figure 1 and Figure 2, the limit block assembly 2 is the suspension system An important component, which is used to limit the travel of the suspension system and buffer the impact transmitted from the axle 3 to the frame 1, as shown in Figure 1 . Existing stop block assembly all adopts the structure that metal adds rubber, promptly prior art stop block assembly uses steel bracket 21 and rubber 22 to combine (as shown in accompanying drawing 2), and weight is heavy.

In view of this, the utility model provides a limiting block assembly, and Fig. 3 is an embodiment of the limiting block assembly provided by the utility model, and the limiting block assembly provided by the utility model has a simple structure and light weight , and the strength meets the requirements; the following mainly describes the limiting block assembly in conjunction with specific drawings.

Referring to Fig. 3 and Fig. 4, the utility model provides a limiting block assembly 100, which is arranged between the vehicle frame 1 and the axle 3, and the limiting block assembly 100 includes a seat plate 10 and a buffer block 20 The material of the seat plate 10 includes nylon material, and the connecting portion 101 and the mounting portion 102 distributed up and down are formed on the seat plate 10, and the connecting portion 101 is used to be fixedly connected to the longitudinal beam of the vehicle frame 1; The buffer block 20 is disposed on the mounting portion 102 for buffering and contacting with the axle 3 .

In the technical solution of the utility model, the material of the seat plate 10 is selected as nylon material instead of the existing metal material, and the density of the nylon material is only 15% of that of metal material (such as steel), which can effectively realize the The weight of the limiting block assembly 100 is light. Compared with metal materials (such as steel), the seat plate 10 is made of nylon material, which can reduce the weight by about 43%, which reduces the weight of the entire limiting block assembly 100. , so as to achieve light weight; the seat plate 10 includes a connecting portion 101 and a mounting portion 102, and the connecting portion 101 and the mounting portion 102 are perpendicular to each other, so that the mounting portion 102 can increase the connection The strength of the part 101 prevents it from being deformed by the stamping force. Secondly, the mounting part 102 can increase the contact area between the buffer block 20 and the connecting part 101, so that the buffer block 20 and the seat plate 10 The connection is tighter, preventing the buffer block 20 from falling off due to the impact force.

Further, the buffer block 20 includes a connecting portion and a buffering portion, the connecting portion and the buffering portion are bonded by an adhesive, and the buffering portion is bonded below the connecting portion, the connecting portion The part is used to connect and cooperate with the base 104; specifically, in this embodiment, the material of the connecting part is nylon material, the material of the buffer part is rubber material, and the rubber material of the buffer part is selected as Because the rubber has a large amount of extrusion deformation, it can withstand large impact forces without plastic deformation. At the same time, the use of rubber materials can also absorb noise to a certain extent and avoid noise pollution.

Furthermore, the model of the adhesive is HY-302 glue.

Please refer to FIG. 2 , the specific arrangement form of the connecting portion 101 and the mounting portion 102 is not limited, as long as they can play a connecting role. Specifically, in this embodiment, the seat plate 10 includes up and down The extending connecting plate 103 and the base 104 provided at the lower end of the connecting plate 103 ; wherein, the connecting part 101 includes the connecting plate 103 ; the mounting part 102 includes the base 104 .

In this embodiment, considering the overall weight and strength requirements of the limiting block assembly 100, the shape of the connecting plate 103 is set to be triangular; that is, from bottom to top, the cross section of the connecting plate 103 gradually Reduce the setting. It should be noted that the reason for setting it as a triangle is that on the one hand, its structure is relatively stable and can withstand a certain buffer force without breaking. On the other hand, setting it as a triangle can reduce the volume of the connecting plate 103 and play a role Lightweight effect.

Referring to Fig. 5, the lower end of the connecting plate 103 is connected to the edge of the upper end surface of the base 104; The side end surfaces of the longitudinal beams abut against, and the upper end surface of the base 104 is used to abut against the lower wing surfaces of the longitudinal beams of the vehicle frame 1 . Specifically in this embodiment, the connecting plate 103 is used to connect with the vehicle frame 1, and the longitudinal beam of the vehicle frame 1 is formed with a first installation surface and a second installation surface, and the first installation surface Vertical to the second installation surface, the side section of the connecting plate 103 coincides with the first installation surface, and the upper end surface of the base 104 coincides with the second installation surface, so that the seat The plate 10 can be stably fixed on the longitudinal beam of the vehicle frame 1 , avoiding the vibration of the vehicle or the collision of the vehicle axle 3 causing deviation and falling off.

Further, please refer to FIG. 5 , a plurality of weight-reducing grooves 1041 arranged along the width direction of the connecting plate 103 are opened on the upper surface of the base 104, and each of the weight-reducing grooves 1041 faces away from the connecting plate. The side wall of 103 is set through. In this embodiment, the ribs are formed by setting the weight-reducing grooves 1041 (that is, the groove walls between two adjacent weight-reducing grooves 1041 constitute the ribs), and the function of the weight-reducing grooves 1041 is to reduce the The weight of the base 104 itself is conducive to the weight reduction of the limit block assembly 100, and the function of the reinforcing rib is to strengthen the strength of the base 104 so that the strength of the base 104 meets the requirements Specifically, considering the strength of the base 104 itself, two weight-reducing grooves 1041 are provided, correspondingly, three reinforcement ribs are provided, and the size between two adjacent reinforcement ribs (That is, the groove width of the weight-reducing groove 1041) is 46-50 mm, and the thickness of each of the reinforcing ribs is 12-15 mm; as a preferred embodiment of this embodiment, between two adjacent reinforcing ribs The size of the rib is 46mm, and the thickness of each rib is 12mm.

Further, please continue to refer to FIG. 5 , the plurality of weight reducing grooves 1041 includes two end weight reducing grooves 1041 , and the side walls of the two end weight reducing grooves 1041 facing away from each other are set through. The purpose of such setting is to further reduce the weight while ensuring the strength of the base 104 .

Please refer to FIG. 6 , in the up and down direction, the first holes 105 penetrating through the base 104 are formed in the weight-reducing grooves 1041 at the two ends; The second hole 201 corresponding to the hole 105; the limit block assembly 100 also includes flange bolts, and the flange bolts pass through the second hole 201 and the first hole 105 in turn, and the buffer block 20 is fixed on the lower end of the base 104. In this embodiment, the buffer block 20 is first bonded to the base 104 by glue, and the first hole 105 and/or the second hole 201 are threaded holes. During the fixing process, Corresponding the second hole 201 to the first hole 105, after the bonding is completed, the flange bolts pass through the first hole 105 and the second hole 201 in turn, and through screw fit, the The buffer block 20 is fixed on the base 104. In this way, the buffer block 20 is more firmly fixed on the base 104 through the double action of the glue and the flange bolts.

Further, in this embodiment, the second hole 201 is formed on the connecting portion.

Please refer to FIG. 5 , the connecting plate 103 is formed with an elongated hole 106 extending up and down, and connecting bolts are arranged in the elongated hole 106 to fix the connecting plate 103 on the longitudinal direction of the vehicle frame 1. on the beam. It should be noted that, in this embodiment, the purpose of setting the elongated hole 106 instead of the round hole is to improve the limit caused by the verticality or flatness of the bending surface of the frame 1 not meeting the requirements. The difficulty in assembling the block assembly 100 makes the assembly process easier.

Further, in some embodiments, the width of the elongated hole 106 is D, where 15mm≤D≤18mm; the length of the elongated hole 106 is H, where 17mm≤H≤20mm. As a preferred embodiment of this embodiment, the width of the elongated hole 106 is 15 mm, and the length of the elongated hole 106 is 17 mm.

In addition, the present invention also proposes a tractor, which includes the above-mentioned limiting block assembly 100 . The specific structure of the limit block assembly 100 refers to the above-mentioned embodiments. Since the tractor adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments. , which will not be repeated here.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. Under the conception of the present utility model, the equivalent structural transformations made by using the specification of the utility model and the contents of the accompanying drawings, or directly /Indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims (10)

1. A limiting block assembly, located between the vehicle frame and the axle, characterized in that, the limiting block assembly includes: The seat plate, the material of the seat plate includes nylon material, the connecting portion and the installation portion distributed up and down are formed on the seat plate, and the connecting portion is used for fixed connection with the longitudinal beam of the vehicle frame; and, The buffer block is arranged on the installation part, and is used for buffering and contacting with the axle. 2. The limiting block assembly according to claim 1, wherein the seat plate includes a connecting plate extending up and down and a base provided at the lower end of the connecting plate; The connection part includes the connection plate; The mounting portion includes the base. 3. The limiting block assembly according to claim 2, characterized in that, in the direction from bottom to top, the section of the connecting plate is gradually reduced. 4. The limiting block assembly according to claim 2, wherein the lower end of the connecting plate is connected to the edge of the upper surface of the base; The side end surface of the connecting plate towards the middle of the base is used to abut against the side end surface of the longitudinal beam of the vehicle frame, and the upper end surface of the base is used to abut against the lower wing surface of the longitudinal beam of the vehicle frame . 5. The limiting block assembly according to claim 4, wherein a plurality of weight-reducing grooves arranged along the width direction of the connecting plate are provided on the upper surface of the base, and each of the weight-reducing grooves The side wall of the slot facing away from the connection plate is set through. 6. The limiting block assembly according to claim 5, wherein the plurality of weight-reducing grooves include two end weight-reducing grooves, and the side walls of the two end weight-reducing grooves running away from each other penetrate through set up. 7. The limiting block assembly according to claim 6, characterized in that, in the up and down direction, the first holes penetrating the base are formed in the weight-reducing grooves at the two ends; A second hole corresponding to the first hole is formed on the buffer block; The limiting block assembly further includes flange bolts, and the flange bolts pass through the second hole and the first hole in turn to fix the buffer block on the lower end of the base. 8. The limiting block assembly according to claim 2, wherein the connecting plate is formed with elongated holes extending up and down, and connecting bolts are arranged in the elongated holes to connect the The connecting plate is fixedly installed on the longitudinal beam of the vehicle frame. 9. The limiting block assembly according to claim 8, characterized in that, the width of the elongated hole is D, wherein, 15mm≤D≤18mm; and/or, The length of the elongated hole is H, wherein, 17mm≤H≤20mm. 10. A tractor, characterized by comprising the limit block assembly according to any one of claims 1-9.

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