CN210881584U

CN210881584U - Balanced suspension connecting system of heavy-duty car

Info

Publication number: CN210881584U
Application number: CN201921847082.8U
Authority: CN
Inventors: 李英杰; 刘伟; 王兆友; 陈琳; 吴晓涛
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-30
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to the technical field of automobiles, specifically disclose a balanced suspension connected system of heavy-duty car. The heavy-duty car balance suspension connecting system comprises two supports, a disconnected balance shaft, a flange plate and a lower connecting piece. The bracket is provided with a shaft hole; the disconnected balance shaft is arranged in the shaft hole in a penetrating manner, and a plurality of shaft connecting holes are formed in the disconnected balance shaft along the axial direction of the disconnected balance shaft; the flange plate is connected with the bracket through a first connecting piece, a plurality of flange first connecting holes are formed in the flange plate, the flange first connecting holes and the shaft connecting holes are arranged in a one-to-one correspondence mode, and a second connecting piece penetrates through the shaft connecting holes and the flange first connecting holes to enable the flange plate to be connected with the disconnected balance shaft; and two ends of the lower connecting piece are respectively connected to the lower ends of the two brackets, and the lower connecting piece is a front bent piece bent towards the side where the front of the automobile is located. The utility model provides a balanced suspension connected system of heavy-duty car avoids disconnected balanced axle to take place the spin, and increases the ground clearance of connecting plate down, reduces disconnected balanced axle processing work load.

Description

Balanced suspension connecting system of heavy-duty car

Technical Field

The utility model relates to the field of automotive technology, especially, relate to a balanced suspension connected system of heavy-duty car.

Background

In the existing commercial vehicle balance suspension field, the use working condition of the balance suspension for the heavy-duty vehicle has the characteristics of large bearing capacity and poor road condition, and in order to meet the reliability requirement of the balance suspension, an integral balance shaft suspension system is mostly adopted, so that the weight is large and the cost is high. Some heavy-duty car balanced suspension connected system are in order to overcome its heavy weight, defect with high costs, and balanced suspension connected system adopts disconnected balanced axle, and its disconnected balanced axle passes through shoulder and support location, and the balanced suspension connected system handling capacity of this kind of structure is big and produce the spin easily, consequently, this balanced suspension system only can be used in bearing the weight-reducing highway motorcycle type that little and road conditions are good, can't use on heavy-duty motorcycle type. In addition, the transmission shaft of car is by the front side of car to the gradual downward sloping setting of rear side to be located balanced suspension connected system's lower connecting plate top, lower connecting plate leaves the space of beating for the transmission shaft, leads to lower connecting plate ground clearance little, thereby leads to the road conditions to produce lower connecting plate striking damage problem when poor easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a balanced suspension connected system of heavy-duty car to reduce disconnected balanced axle processing work load, avoid disconnected balanced axle to take place the spin, connecting plate ground clearance under the increase.

To achieve the purpose, the utility model adopts the following technical proposal:

a heavy-duty vehicle counterbalanced suspension attachment system comprising:

the two brackets are arranged at intervals and oppositely, and shaft holes are formed in the brackets;

the disconnected balance shaft penetrates through the shaft hole, and a plurality of shaft connecting holes are formed in the disconnected balance shaft along the axial direction of the disconnected balance shaft;

the flange plate is connected with the bracket through a first connecting piece, a plurality of flange first connecting holes are formed in the flange plate, the flange first connecting holes and the shaft connecting holes are arranged in a one-to-one correspondence mode, and a second connecting piece penetrates through the shaft connecting holes and the flange first connecting holes to enable the flange plate to be connected with the disconnected balance shaft;

and two ends of the lower connecting piece are respectively connected to the lower ends of the two supports, and the lower connecting piece is a front bent piece bent towards the side where the front of the automobile is located.

Preferably, the lower connecting piece is of a forged round bar structure.

Preferably, the bracket is provided with a plurality of bracket connecting holes, the flange plate is provided with flange second connecting holes which are arranged in one-to-one correspondence to the bracket connecting holes, and the first connecting piece is connected to the bracket connecting holes and the flange second connecting holes.

Preferably, the bracket includes an upper portion and a frame connected to a lower end of the upper portion, the shaft hole is opened in the upper portion, and the lower connecting member is connected to the frame.

Preferably, the frame comprises a first equal-stress tendon, a bottom and a second equal-stress tendon which are sequentially connected and form a U-shaped structure, the first equal-stress tendon and the second equal-stress tendon are respectively connected with the upper portion, and the lower connecting piece is connected with the bottom.

Preferably, the bottom is provided with a plurality of bottom connecting holes, the lower connecting piece is provided with a plurality of lower connecting piece holes, and the lower connecting piece holes are connected with the bottom connecting holes through third connecting pieces.

Preferably, the third connecting member is a bolt and a nut engaged with the bolt.

Preferably, the lower connecting piece comprises a connecting piece body and a connector, the connectors are arranged at two ends of the connecting piece body, and the lower connecting piece hole is formed in the connector.

Preferably, the connector is of a cuboid structure.

Preferably, the first connecting piece and the second connecting piece are both bolts.

The utility model has the advantages that: the disconnected balance shaft is connected with the flange plate through the second connecting pieces, and the flange plate is connected with the bracket through the first connecting piece, so that the disconnected balance shaft is connected to the bracket, and the disconnected balance shaft is prevented from spinning. The disconnected balance shaft does not need to be provided with a shaft shoulder, so that the processing amount of the disconnected balance shaft is reduced. Because the transmission shaft is arranged from the front side of the automobile to the rear side of the automobile in a gradually downward inclined mode, namely the transmission shaft is closer to the position of the front side of the automobile, the height of the transmission shaft is higher, and the lower connecting piece bends towards the front side of the automobile, therefore, the height of the position, right opposite to the transmission shaft and the lower connecting piece, of the transmission shaft is higher than the height of the position, right opposite to the support, of the transmission shaft, so that the height of the lower connecting piece can be correspondingly increased, the ground clearance of the lower connecting piece is increased, and the problem that the lower connecting piece is damaged.

Drawings

FIG. 1 is a schematic structural diagram of a balanced suspension connection system for a heavy-duty vehicle according to an embodiment of the present invention;

fig. 2 is a bottom view of a heavy-duty vehicle counterbalanced suspension attachment system according to an embodiment of the present invention;

fig. 3 is an exploded view of a heavy-duty vehicle counterbalanced suspension attachment system according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lower connecting member according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a bracket according to an embodiment of the present invention.

In the figure:

1. a support; 11. a shaft hole; 12. a frame; 121. a first tendon; 122. a bottom; 123. a second tendon; 124. a bottom connection hole; 13. a bracket connection hole;

2. a flange plate; 21. a flange first connection hole; 22. a flange second connecting hole;

3. a lower connecting piece; 31. a lower connector hole; 32. a connector body; 33. a connector;

4. a disconnected balance shaft; 41. a shaft connecting hole;

5. a first connecting member; 6. a second connecting member; 7. and a third connecting member.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

The utility model discloses some direction words have been defined, and under the condition that does not make the contrary explanation, the direction word that uses such as "upper", "lower", "left" and "right" means the utility model provides a heavy-duty car balanced suspension connected system defines under the normal use condition, "inside", "outside" means inside and outside relative to each part profile itself. These directional terms are used for ease of understanding and are not intended to limit the scope of the present invention.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a balanced suspension connecting system of heavy-duty car for in the heavy-duty car, but not limited to this, can also be used for in other types of cars to reduce this balanced suspension connecting system of heavy-duty car's disconnected balanced axle 4's processing work load, avoid disconnected balanced axle 4 to take place the phenomenon of spin, and improve connecting piece 3 ground clearance down, the problem of connecting piece 3 because of the striking damage appears under avoiding the road conditions difference.

As shown in fig. 1 to 3, the present embodiment provides a heavy-duty car counterbalanced suspension connecting system including two brackets 1, a breakaway equalizer shaft 4, a flange plate 2, and a lower connecting member 3. The two brackets 1 are arranged at intervals and oppositely, and the brackets 1 are provided with shaft holes 11; the disconnected balance shaft 4 is arranged in the shaft hole 11 in a penetrating manner, and the disconnected balance shaft 4 is provided with a plurality of shaft connecting holes 41 along the axial direction; a plurality of first flange connecting holes 21 are formed in the flange plate 2, the first flange connecting holes 21 and the shaft connecting holes 41 are arranged in a one-to-one correspondence manner, and the second connecting pieces 6 penetrate through the shaft connecting holes 41 and the first flange connecting holes 21 to enable the flange plate 2 to be connected with the disconnected balance shaft 4; the flange plate 2 is connected to the bracket 1 by a first connecting member 5. Two ends of the lower connecting piece 3 are respectively connected with the lower ends of the two brackets 1, and the lower connecting piece 3 is a front bending piece bending towards the front side of the automobile, namely the lower connecting piece 3 protrudes towards the front side of the automobile.

The utility model discloses in, disconnected balanced axle 4 is connected with flange plate 2 through a plurality of second connecting pieces 6, and flange plate 2 is connected with support 1 through first connecting piece 5 to connect disconnected balanced axle 4 on support 1, and avoid disconnected balanced axle 4 to take place to spin. The disconnected balance shaft 4 does not need to be processed with a shaft shoulder, and the processing amount of the disconnected balance shaft 4 is reduced. Because the transmission shaft is arranged from the front side of the automobile to the rear side of the automobile in a gradually downward inclined mode, namely the transmission shaft is closer to the position of the front side of the automobile, the height of the transmission shaft is higher, and the lower connecting piece 3 bends towards the front side of the automobile, therefore, the height of the position, right opposite to the transmission shaft and the lower connecting piece 3, of the transmission shaft is higher than that of the position, right opposite to the support 1, of the transmission shaft, so that the height of the lower connecting piece 3 can be correspondingly increased, the ground clearance of the lower connecting piece 3 is increased, and the problem that the lower connecting piece 3 is damaged.

Preferably, the bracket 1 is provided with a plurality of bracket connection holes 13, the flange plate 2 is provided with flange second connection holes 22 which are arranged in one-to-one correspondence to the bracket connection holes 13, and the first connection member 5 is connected to the bracket connection holes 13 and the flange second connection holes 22, so that the bracket 1 is connected to the flange plate 2. Preferably, three support attachment holes 13 are provided in an equilateral triangular arrangement.

The first connecting piece 5 and the second connecting piece 6 are both bolts. The bolt is a standard part and is easy to obtain. At least one of the shaft coupling hole 41 and the flange first coupling hole 21 is provided with an internal thread to facilitate the screw coupling with the second coupling member 6. At least one of the flange second coupling hole 22 and the bracket coupling hole 13 is provided with an internal thread so as to be threadedly coupled with the first coupling member 5.

As shown in fig. 3 and 4, the lower connecting member 3 is a forged round bar structure. Preferably, the round bar structure is a C-shaped structure.

Preferably, the lower connecting piece 3 comprises a connecting piece body 32 and a connecting head 33, the connecting head 33 is arranged at both ends of the connecting piece body 32, preferably, the lower connecting piece 3 is integrally formed, and of course, in other embodiments, the lower connecting piece 3 can also be formed by welding the connecting piece body 32 and the connecting head 33.

Preferably, the connection head 33 has a rectangular parallelepiped structure. The lower connecting member 3 is provided with a plurality of lower connecting member holes 31 so that the lower connecting member 3 is connected with the bracket 1. Preferably, the lower connector hole 31 opens on the connection head 33. The upper surface and the lower surface of the connector 33 are both planes, so that the connection strength of the lower connecting piece 3 and the bracket 1 is further ensured.

As shown in fig. 5, the stand 1 includes an upper portion and a frame 12 connected to a lower end of the upper portion, a shaft hole 11 is opened in the upper portion, and the lower link 3 is connected to the frame 12. The frame 12 can reduce the weight of the stand 1 and can make the force of the lower link 3 act on the frame 12 dispersedly.

The frame 12 comprises a first equal-stress tendon 121, a bottom 122 and a second equal-stress tendon 123 which are sequentially connected and form a U-shaped structure, the first equal-stress tendon 121 and the second equal-stress tendon 123 are respectively connected with the upper portion, and the lower connecting piece 3 is connected with the bottom 122. The frame 12 of the structure can enable the first isodynamic tendon 121 and the second isodynamic tendon 123 to bear the same force, and further enable the bracket 1 to bear the same force in a balanced manner.

As shown in fig. 3 and 5, the bottom portion 122 is formed with a plurality of bottom connection holes 124, and the plurality of bottom connection holes 124 are disposed in one-to-one correspondence with the plurality of lower connection member holes 31 formed in the connection head 33. The lower link hole 31 and the bottom link hole 124 are connected by the third link 7.

Preferably, the third connecting member 7 is a bolt and a nut engaged with the bolt. The bolt and the nut are standard parts and are easy to obtain.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A heavy-duty vehicle counterbalanced suspension attachment system, comprising:

the two brackets (1) are arranged at intervals and oppositely, and shaft holes (11) are formed in the brackets (1);

the disconnected balance shaft (4) is arranged in the shaft hole (11) in a penetrating mode, and a plurality of shaft connecting holes (41) are formed in the disconnected balance shaft (4) along the axial direction of the disconnected balance shaft;

the flange plate (2) is connected with the support (1) through a first connecting piece (5), a plurality of flange first connecting holes (21) are formed in the flange plate (2), the flange first connecting holes (21) are arranged in one-to-one correspondence with the shaft connecting holes (41), and a second connecting piece (6) penetrates through the shaft connecting holes (41) and the flange first connecting holes (21) to enable the flange plate (2) to be connected with the disconnected balance shaft (4);

and the two ends of the lower connecting piece (3) are respectively connected to the lower ends of the two brackets (1), and the lower connecting piece (3) is a front bent piece bent towards the side where the front of the automobile is located.

2. The heavy-duty vehicle counterbalanced suspension attachment system according to claim 1, wherein said lower attachment member (3) is a forged round bar construction.

3. The heavy-duty vehicle balanced suspension connecting system according to claim 1, wherein a plurality of bracket connecting holes (13) are formed in the bracket (1), flange second connecting holes (22) which are arranged in one-to-one correspondence to the bracket connecting holes (13) are formed in the flange plate (2), and the first connecting member (5) is connected to the bracket connecting holes (13) and the flange second connecting holes (22).

4. A heavy vehicle counterbalancing suspension attachment system as claimed in claim 1, wherein said bracket (1) comprises an upper portion and a frame (12) connected to the lower end of said upper portion, said axle hole (11) opening into said upper portion, said lower attachment member (3) being connected to said frame (12).

5. The heavy-duty vehicle balanced suspension connection system of claim 4, characterized in that said frame (12) comprises a first tendon (121), a bottom part (122) and a second tendon (123) which are connected in sequence and form a U-shaped structure, said first tendon (121) and said second tendon (123) are respectively connected with said upper part, and said lower connection member (3) is connected with said bottom part (122).

6. The heavy-duty vehicle counterbalanced suspension attachment system according to claim 5, wherein said bottom portion (122) defines a plurality of bottom attachment holes (124), said lower attachment member (3) defines a plurality of lower attachment member holes (31), and said lower attachment member holes (31) are connected to said bottom attachment holes (124) by a third attachment member (7).

7. A heavy vehicle counterbalanced suspension connecting system as claimed in claim 6, wherein said third connecting member (7) is a bolt and a nut cooperating with said bolt.

8. The heavy-duty vehicle balanced suspension connection system of claim 6, characterized in that the lower connector (3) comprises a connector body (32) and a connector (33), wherein the connector (33) is disposed at both ends of the connector body (32), and the lower connector hole (31) is opened on the connector (33).

9. The heavy-duty vehicle counterbalanced suspension attachment system as claimed in claim 8, wherein said attachment head (33) is of rectangular parallelepiped configuration.

10. A heavy-duty vehicle counterbalanced suspension attachment system as claimed in claim 1, wherein said first attachment member (5) and said second attachment member (6) are both bolts.