CN215338917U

CN215338917U - Mass block assembly and rod piece assembly for verification

Info

Publication number: CN215338917U
Application number: CN202121481057.XU
Authority: CN
Inventors: 闫耿泓
Original assignee: Beijing Changan Automobile Engineering Technology Research Co Ltd
Current assignee: Beijing Changan Automobile Engineering Technology Research Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-28
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a mass block assembly and a rod assembly for verification, which are formed by folding two semicircular ring assemblies up and down and connecting the two semicircular ring assemblies through locking bolts and nuts. The semicircular ring assembly comprises a left end cover, a mass plate and a right end cover, and the three parts are assembled into a whole through a long bolt; the mass plate comprises a plurality of plates which are increased or decreased according to the weight requirement of the mass block. The utility model can realize quick disassembly and weight adjustment through a simple structure, realize that the suspension rod piece is not frequently replaced in the test verification process, and save the period and the cost.

Description

Mass block assembly and rod piece assembly for verification

Technical Field

The utility model relates to an automobile chassis, in particular to a verification technology for a rod piece for a suspension in the development process of the automobile chassis.

Background

The multi-link chassis suspension of the automobile is composed of a plurality of rod pieces, and the rear suspension rod piece structure is generally composed of a straight rod in the middle, two-end joint forks and a lining or a spherical hinge. Road noise problems are often encountered during certain speed segments when the chassis of the vehicle is under development. Some of the fundamental causes of road noise are the proximity and resonance of the suspension mode to the excitation frequency of the road surface, resulting in increased road noise. To ameliorate or suppress this type of noise, the suspension mode needs to be changed, and a metal block with a certain weight attached to a part of the suspension rod is usually selected for verification. Conventionally, it is verified that a plurality of different mass blocks need to be manufactured within a certain weight range and welded on a rod piece, the mass blocks are carried on a vehicle in turn to be tested, then the metal mass blocks under a certain weight are determined to improve or inhibit noise, and the metal mass blocks with determined weight are welded on the rod piece to serve as a final mass production scheme.

But adopt the mode of welding the quality piece of different weight to verify, the dismouting is troublesome, and experimental cycle is long, and is with high costs, therefore designs a simple structure, can dismantle fast and adjust the quality piece structure of weight and is used for above similar member to verify, can enough avoid dismantling the experimental sample piece of changing over repeatedly, accomplishes experimental saving cycle fast in vehicle development process, practices thrift the manufacturing cost of a plurality of members for verification simultaneously.

In the prior art, mass blocks with adjustable weight are adopted on automobile shock absorbers, the mass blocks are used for mass production vehicles, the problems of shock absorbers and mass block maintenance are solved, the principle and the structure of the mass blocks are not suitable for the verification rod members, the adjustability cannot meet the requirement, and the mass blocks are not suitable for quick disassembly in the initial development stage of the whole vehicles and can be assembled into mass blocks with different weights for test verification.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mass block assembly and a rod piece assembly for verification, which can be quickly disassembled and adjusted in weight through a simple structure, realize that a suspension rod piece is not frequently replaced in the test verification process, and save the period and the cost.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a mass block assembly is formed by folding two semicircular ring assemblies up and down and connecting the two semicircular ring assemblies through locking bolts and locking nuts.

The semicircular ring assembly comprises a left end cover, a mass plate and a right end cover, and the three parts are assembled into a whole through a long bolt; the mass plate comprises a plurality of plates which are increased or decreased according to the weight requirement of the mass block.

Further, the left end cover and the right end cover are of semicircular ring structures. The two sides are provided with flanges, the flanges are provided with assembly holes, and the locking bolts and the nuts are assembled through the assembly holes.

Further, the quality piece is the semicircle ring structure, and the quality piece quantity of setting in two semicircle ring assemblies 1 is the same, uses in pairs when teaching and admiring weight.

Furthermore, the side surfaces of the left end cover, the quality piece and the right end cover which are mutually combined are respectively provided with a convex rib or a clamping groove, and the convex ribs are clamped into the clamping grooves, so that the close combination among the adjacent left end cover 11, the quality piece and the right end cover is realized.

Furthermore, the convex rib is a semicircular convex rib, and the clamping groove is a semicircular groove.

The utility model also provides a rod piece assembly for verification, which comprises a rod piece, wherein the mass block assembly is assembled on the rod piece, the mass block assembly surrounds the rod piece by folding the two semicircular ring assemblies up and down, and is fastened and connected on the rod piece through a locking bolt and a locking nut, and the number of mass pieces is increased or reduced according to the requirement of rod piece verification.

By adopting the technical scheme, the mass block assembly can be quickly disassembled and adjusted in weight, is arranged on the suspension rod piece to change the suspension mode, and finally locks the total weight of the mass block capable of improving or inhibiting road noise through a whole vehicle test. The weight of the mass block is adjusted by inserting the standard mass plate in the middle of the assembly, test verification that different weights are added to the rod piece can be completed without replacing a suspension rod piece, and the weight of the mass block assembly capable of improving or inhibiting road noise is quickly determined. The metal blocks with locked weight can be directly welded by subsequent mass production of the rod pieces, so that the function of changing the mode or inhibiting the road noise is achieved.

Drawings

FIG. 1 is an overall view of the bar assembly;

FIG. 2 is an overall block diagram of the mass assembly of the present invention;

FIG. 3 is an overall block diagram of the semi-circular ring assembly of the present invention;

FIG. 4 is a block diagram of the left end cap of the present invention;

FIG. 5 is a front isometric view of a mass plate of the present invention;

FIG. 6 is a rear isometric view of a mass plate of the present invention;

FIG. 7 is a block diagram of the right end cap of the present invention.

In the figure: the device comprises a 1-rod piece, a 2-mass block assembly, a 21-semicircular assembly, a 211-left end cover, a 211-1 left end cover through hole, a 212-mass piece, a 212-1 mass piece through hole, a 213-right end cover, a 213-1 right end cover threaded hole, a 214-long bolt, a 22-locking bolt and a 23-locking nut.

Detailed Description

The structure of the utility model is further explained in the following with the attached drawings.

Referring to fig. 1, the present invention provides a rod assembly comprising a rod member 1 and a mass assembly 2 fixedly mounted on the rod member 1. The mass block assembly 2 can be detached, and the mass can be adjusted according to the requirements of rod pieces.

Referring to fig. 2, the mass assembly 2 is assembled by two semicircular ring assemblies 21 through four locking bolts 22 and four locking nuts 23.

Referring to fig. 3, the semicircular ring assembly 21 is assembled by a left end cover 211, a plurality of sets of mass plates 212, a right end cover 213 and a long bolt 214. The concrete structure is as follows:

referring to fig. 4 and 7, the left end cover 211 and the right end cover 13 of the right end cover 2 are semi-circular ring structures, and both sides are provided with flanges, and each flange is provided with a mounting hole through which the locking bolt 22 can pass. The left end cover 211 has a semi-circular groove on one side. The right end cover 213 has a semicircular rib on one side. The middle of the left end cover 211 is provided with a through hole 211-1, and the middle of the right end cover 213 is provided with a threaded hole 213-1.

Referring to fig. 5 and 6, the mass plates 212 are also semicircular structures and are used in pairs to teach weight. The quality piece 212 is provided with a semicircular annular convex rib at one side and a semicircular annular groove at the other side, and a through hole is arranged in the middle. When in use, the semicircular convex ribs of the mass plate 212 can be clamped into the left end cover 211 or the semicircular groove of the other group of mass plates; the semicircular convex rib of the right end cover 213 is clamped into the semicircular groove of the adjacent mass plate 12.

After the semicircular assembly 1 is clamped by the left end cover 211, the multiple groups of mass pieces 212 and the right end cover 213, the long bolt 214 penetrates through the through hole 211-1 in the middle of the left end cover 211, penetrates through the through holes 212-1 of the multiple groups of mass pieces 212 and is screwed into the threaded hole 213-1 in the middle of the right end cover 213 to be screwed tightly.

When the device is used, firstly two groups of same semicircular assemblies 21 are prepared, then the two groups of semicircular assemblies 21 are oppositely placed at the appointed positions of the suspension rod piece 1 to be tested, four locking bolts 22 are respectively penetrated into the assembly holes on the flanges of the left end cover 211 and the right end cover 213, and the locking nuts 23 are screwed and fixed to form the mass block assembly.

When the weight needs to be changed, the locking nut 23 is loosened, the locking nut 23 does not need to be completely detached, and the mass assembly 2 can freely slide on the shaft rod. The long bolt 214 on the semicircular assembly 21 is unscrewed, the mass plate 212 is increased or decreased, then the long bolt 214 is screwed again, and the weight can be adjusted within a certain range by screwing the locking nut 23.

The mass block assembly, namely the rod piece assembly, is convenient to disassemble, different weights are adjusted to be arranged on the suspension rod piece by adding or reducing mass pieces in pairs, so that the mode of the rod piece is changed, and finally, the total weight of road noise can be improved or inhibited through multiple times of test locking, wherein the total weight comprises the weight of the semicircular assembly, the locking bolt and the locking nut which are all added together.

Claims

1. A mass block assembly is characterized in that two semicircular ring assemblies are folded up and down and connected through a locking bolt and a locking nut;

2. The mass assembly of claim 1, wherein the left and right end caps are semi-circular ring structures with flanges on both sides and mounting holes on the flanges, and are mounted by locking bolts and nuts through the mounting holes.

3. The mass assembly of claim 1, wherein the mass plates are semi-circular ring structures, and the mass plates arranged in the two semi-circular ring assemblies are the same in number and used in pairs when teaching weights.

4. The mass block assembly according to claim 1, wherein the left end cover, the mass plate and the right end cover which are adjacent to each other are respectively provided with a rib or a clamping groove on the side surfaces which are combined with each other, and the rib is clamped into the clamping groove to realize tight combination among the adjacent left end cover, the adjacent mass plate and the adjacent right end cover.

5. The mass assembly of claim 4, wherein the rib is a semi-circular rib and the slot is a semi-circular slot.

6. A rod assembly for verification, comprising a rod, wherein the mass assembly as claimed in any one of claims 1 to 5 is assembled on the rod, the mass assembly surrounds the rod by folding up and down two semicircular ring assemblies, and is tightly connected on the rod by a locking bolt nut, and mass plates are added or reduced according to the requirement of rod verification.