CN212555720U

CN212555720U - Automobile balance suspension

Info

Publication number: CN212555720U
Application number: CN202021927577.4U
Authority: CN
Inventors: 赵亮亮; 张旭; 刘夫云; 杨运泽; 伍建伟; 陈雪
Original assignee: Guilin University of Electronic Technology
Current assignee: Guilin University of Electronic Technology
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-02-19
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses an automobile balance suspension, which is arranged between automobile frames and comprises a balance shaft bracket, a thrust rod piece, a cross beam and a leaf spring, wherein the balance shaft bracket is in threaded connection with the leaf spring, the thrust rod piece is respectively connected with the cross beam and the automobile frame, the front end and the rear end of the cross beam are respectively fixedly connected with the leaf spring, the leaf spring is in threaded connection with the balance shaft bracket, the balance shaft bracket comprises two groups of balance shaft seats, a connecting plate and a balance shaft, the balance shaft is connected with the two groups of balance shaft seats, on the basis of the prior art, the structure of the automobile balance suspension is improved, a certain included angle is formed between a convex section and a connecting section of the balance shaft, thereby effectively improving the stress of each part of the balance suspension to meet the requirement of high-strength working environment, the structure of the balance shaft seats is improved, the structure of an automobile, thereby achieving the purpose of improving the driving smoothness and the operation stability of the automobile.

Description

Automobile balance suspension

Technical Field

The utility model belongs to the technical field of the automotive suspension, especially, relate to a balanced suspension of car.

Background

At present, the social automobile industry develops rapidly, new automobile technology research and application are changing day by day, and with increasing importance on light weight, comfort and control smoothness of whole automobile enterprises, the automobile suspension field is facing a new round of large-scale technology upgrading. Lightweight products such as air suspension, rubber suspension, few leaf spring have the big popularization and application trend in fields such as passenger train, heavy truck. From the perspective of the overall technology development of the vehicle, the suspension technology is directly related to the performances of the vehicle, such as safety, control, comfort, light weight and the like, and is an important component of the quality of the whole vehicle. The novel car model of many passenger car and truck enterprises adopts two leaf springs, rubber suspension and the like. With the development and progress of the Chinese society, the requirements of people on the trafficability and the comfort of automobiles, particularly heavy-duty trucks, are gradually improved. Leaf spring balanced suspensions are commonly used because of their low cost, simple structure and ease of maintenance. The structural safety of each component of the balanced suspension system directly influences the safety of the whole vehicle.

However, with the increase of the carrying capacity of construction engineering and industrial and mining and the complexity of road conditions, the performance of the steel plate spring balanced suspension in the current stage is insufficient, so that the running smoothness and the operation stability of the automobile are poor, and the optimization is urgently needed.

SUMMERY OF THE UTILITY MODEL

For the performance of solving the balanced suspension of leaf spring in the prior art at present stage is not enough, lead to the relatively poor problem of ride comfort and operating stability that the car traveles, the utility model provides a balanced suspension of car.

A balance suspension of an automobile is arranged between automobile frames and comprises a balance shaft bracket, a thrust rod piece, a cross beam and a plate spring, wherein the balance shaft bracket is positioned at the lower side of the plate spring and is in threaded connection with the plate spring;

each group of balance shaft seats comprises a frame supporting seat provided with a balance shaft hole, a reinforcing plate and a bottom support provided with a threaded hole, the frame supporting seats are connected through the balance shaft support, the reinforcing plate is arranged on the outer peripheral side of the balance shaft support in a surrounding mode in the vertical direction, and the connecting plate is connected to the lower side of the bottom support through threads;

the balance shaft comprises a connecting section and a protruding section, the connecting section is located on two sides of the protruding section and matched with the balance shaft holes on the two sides respectively, and the protruding section is integrally formed with the connecting section and forms a 30-45 included angle with the central axis of the frame supporting seat.

The thrust rod piece comprises an upper thrust rod, a lower thrust rod and a thrust rod piece seat, the upper thrust rod is located on the left side and the right side of the cross beam and is rotatably connected with the cross beam, the lower thrust rod is rotatably connected with the balance shaft seat and is located on the left side and the right side of the bottom support, and the thrust rod piece seat is located at one end, far away from the cross beam, of the upper thrust rod seat and is in threaded connection with the upper thrust rod and the vehicle frame respectively.

Wherein, go up the thrust bar and be V type thrust member, including the pole head, the body of rod, polyurethane elastomer and the connector that have the back shaft of being connected with the frame double bridge, the pole head passes through the body of rod with connector fixed connection, polyurethane elastomer is located the pole head with the junction of connector.

The lower thrust rod comprises a lower rod body and top joints positioned on two sides of the lower rod body, the top joints are rotatably connected with the bottom support and positioned on two sides of the bottom support.

The cross beam comprises a rod body supporting base, a connecting beam and a supporting rib, wherein the connecting beam is provided with a connecting hole, the rod body supporting base is located on two sides of the supporting rib and is connected with the upper thrust rod in a rotating mode, the connecting beam is connected with the frame through the connecting hole, and the supporting rib is located inside the connecting beam and surrounds the connecting beam.

Wherein, the leaf spring includes few variable cross section leaf spring, connecting thread board, deflector, leaf spring seat and U type bolt, few variable cross section leaf spring with connecting thread board threaded connection, and be located connecting thread board's downside, connecting thread board passes through U type bolt with frame supporting seat connects, the deflector pass through the bolt with few variable cross section leaf spring threaded connection, the leaf spring seat is located the downside of leaf spring.

Wherein, few variable cross section leaf spring piles up by a plurality of leaf spring and forms, leaf spring includes arc piece and side piece, the arc piece with side piece integrated into one piece, the side piece is located the both sides of arc piece.

The utility model has the advantages that: on prior art's basis, improve the structure of balanced suspension of car, let the protruding section and the linkage segment of balanced axle form certain contained angle, thereby effectively improve the stress of each part of balanced suspension, in order to satisfy high strength operational environment needs, improve the structure of balanced axle bed again, add the reinforcing plate, in order to improve the maximum stress bearing capacity of frame supporting seat, and improve the structure of frame supporting seat, in order to reduce the weight of balanced axle bed, thereby reach the purpose that promotes the car ride comfort and operating stability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the utility model relates to a structure sketch map is surveyed to car balanced suspension's right side axle.

Fig. 2 is the utility model relates to a left side axle of balanced suspension of car surveys constitutional diagram.

Fig. 3 is a schematic axial view of the balance shaft bracket, the thrust rod member and the plate spring of the automotive balance suspension according to the present invention.

Fig. 4 is an axial structure diagram of a balance shaft bracket of the automotive balance suspension according to the present invention.

10-balance shaft support, 20-thrust rod piece, 30-cross beam, 40-leaf spring, 11-balance shaft seat, 12-connecting plate, 13-balance shaft, 21-upper thrust rod, 22-lower thrust rod, 23-thrust rod piece seat, 31-rod body support base, 32-connecting beam, 33-support rib, 41-few-section steel plate spring, 42-connecting threaded plate, 43-guide plate, 44-plate spring seat, 45-U-shaped bolt, 111-frame support seat, 112-reinforcing plate, 113-bottom support, 114-threaded hole, 115-balance shaft hole, 131-connecting section, 132-convex section, rod head-211-212-rod body, 213-polyurethane elastomer, 214-connecting head, 221-lower rod body, 222-top joint, 321-connecting hole, 411-steel plate spring, 421-first screw hole row and 422-second screw hole row.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, the present invention provides a technical solution:

a kind of car balance suspension, the balance suspension is mounted between the car frames, the balance suspension includes the balance shaft bracket 10, thrust rod 20, crossbeam 30 and leaf spring 40, the said balance shaft bracket 10 locates at the underside of the said leaf spring 40, and with the said leaf spring 40 threaded connection, the said thrust rod 20 is connected with said crossbeam 30 and frame separately, the front and back both ends of the said crossbeam 30 are fixedly connected with leaf spring 40 separately, the said leaf spring 40 locates at the upside of the said balance shaft bracket 10, and with the said balance shaft bracket 10 threaded connection, the said balance shaft bracket 10 includes two groups of balance shaft seats 11, connecting plates 12 and balance shafts 13, the said balance shaft 13 connects two groups of said balance shaft seats 11, the said connecting plate 12 locates at the underside of the said balance shaft seat 11, and with the said balance shaft seat 11 threaded connection;

each group of the balance shaft seats 11 comprises a frame supporting seat 111 provided with a balance shaft hole 115, a reinforcing plate 112 and a bottom support 113 provided with a threaded hole 114, the frame supporting seats 111 are connected through the balance shaft support 10, the reinforcing plate 112 is arranged on the outer peripheral side of the balance shaft support 10 in a surrounding manner along the vertical direction, and the connecting plate 12 is connected to the lower side of the bottom support 113 through threads;

balance shaft 13 includes linkage segment 131 and protruding section 132, linkage segment 131 is located protruding section 132's both sides to respectively with both sides balance shaft hole 115 agrees with mutually, protruding section 132 with linkage segment 131 integrated into one piece, and with frame support seat 111's the central axis forms 30 ~ 45 contained angles.

In this embodiment, the balance shaft bracket 10 is fixed on the vehicle frame by bolts, the thrust rod 20 is used for adjusting the load during the driving of the vehicle, the cross beam 30 is used for supporting and connecting the balance shaft bracket 10, the plate spring 40 is used for balancing the vertical load during the driving of the vehicle by vibration to improve the smoothness during the driving of the vehicle, two sets of the balance shaft seats 11 are connected to the plate spring 40 on both sides by the balance shaft 13, the balance shaft bracket 10, the thrust rod 20, the cross beam 30 and the plate spring 40 are mutually matched to form a whole body capable of rotating around the balance shaft 13 to transmit the braking force and the longitudinal driving force, the frame supporting seat 111 is used for supporting the vehicle frame, the reinforcing plate 112 is used for increasing the stress bearing force of the balance shaft seat 11, the bottom support 113 is used for supporting the balance shaft seat 11, and the balance shaft 13 is connected with the connecting plate 12 by using the threaded hole 114, and is easy to break due to overlarge stress in the use process of the balance suspension, so that a certain included angle is formed between the protruding section 132 of the balance shaft 13 and the connecting section 131, the stress bearing capacity can be improved, the occurrence of breakage is avoided, and the stability of the vehicle in the driving process is effectively improved.

Further, the thrust rod 20 includes an upper thrust rod 21, a lower thrust rod 22 and a thrust rod seat 23, the upper thrust rod 21 is located on the left and right sides of the cross beam 30 and is rotatably connected with the cross beam 30, the lower thrust rod 22 is rotatably connected with the balance shaft seat 11 and is located on the left and right sides of the bottom support 113, and the thrust rod seat 23 is located on one end of the upper thrust rod 21, which is relatively far away from the cross beam 30, and is respectively in threaded connection with the upper thrust rod 21 and the frame.

In the present embodiment, the upper thrust rod 21 is used for adjusting the vertical load of the vehicle, the lower thrust rod 22 is used for adjusting the braking and longitudinal driving force of the vehicle, and the thrust rod seat 23 is used for fixing the upper thrust rod 21 to the frame, so as to facilitate the adjustment.

Further, go up thrust pole 21 and be V type thrust rod spare 20, including pole head 211, the body of rod 212, polyurethane elastomer 213 and the connector 214 that has the back shaft of being connected with the double bridge of frame, pole head 211 passes through the body of rod 212 with connector 214 fixed connection, polyurethane elastomer 213 is located pole head 211 with the junction of connector 214.

In this embodiment, the connector 214 is used to adjust the vertical load of the rod 212, the rod head 211 is used to rotatably connect with the beam 30, so that the upper thrust rod 21 has a certain adjustment capability, and the polyurethane elastomer 213 and the connector 214 are mutually matched to prevent the relative displacement between the frame and the axle when the vehicle is braked.

Further, the lower thrust rod 22 includes a lower rod 221 and top joints 222 located at two sides of the lower rod 221, and the top joints 222 are rotatably connected to the bottom support 113 and located at two sides of the bottom support 113.

In this embodiment, the lower rod 221 and the top joint 222 cooperate with each other to ensure longitudinal stability during driving and braking of the vehicle, thereby improving the smoothness of the vehicle during use.

Further, the crossbeam 30 includes that the body of rod supports base 31, is equipped with tie-beam 32 and the brace rod 33 of connecting hole 321, the body of rod supports base 31 and is located brace rod 33 both sides, and with go up thrust rod 21 and rotate and be connected, the tie-beam 32 passes through the frame is connected to connecting hole 321, the brace rod 33 is located inside the tie-beam 32, and encircle the tie-beam 32 sets up.

In this embodiment, the shaft supporting base 31 is configured to cooperate with the rod head 211, so that the upper thrust rod 21 can be connected to the cross beam 30, the connecting beam 32 is configured to support the shaft 212 and the supporting ribs 33, and the supporting ribs 33 are configured to enhance the strength of the connecting beam 32, thereby effectively enhancing the structural strength of the connecting beam 32.

Further, the plate spring 40 comprises a few variable cross-section plate springs 41, a connecting thread plate 42, a guide plate 43, a plate spring seat 44 and a U-shaped bolt 45, the few variable cross-section plate springs 41 are in threaded connection with the connecting thread plate 42 and are located on the lower side of the connecting thread plate 42, the connecting thread plate 42 is connected with the frame support seat 111 through the U-shaped bolt 45, the guide plate 43 is in threaded connection with the few variable cross-section plate springs 41 through bolts, and the plate spring seat 44 is located on the lower side of the plate spring 40.

In the present embodiment, the few leaf springs 41 are selected to provide the bearing capacity and the damping capacity for the vehicle, and the mass of the leaf spring 40 is effectively reduced, so as to improve the smoothness of the vehicle, the connecting threaded plate 42 is used to fix the frame support seat 111 and the U-bolt 45, the guide plate 43 is used to avoid the collision between the leaf spring 40 and the vehicle frame, and the leaf spring seat 44 is used to support the leaf spring 40.

Further, few leaf variable cross section leaf spring 41 piles up by a plurality of leaf spring 411 and forms, leaf spring 411 includes arc piece and side piece, the arc piece with side piece integrated into one piece, the side piece is located the both sides of arc piece.

In this embodiment, the arc piece with the side piece piles up each other, and only straight section on the arc piece with the tip of side piece can contact each other, can effectively noise abatement and friction, simultaneously, also can alleviate leaf spring 40's weight for the vehicle has good ride comfort and riding comfort.

Further, the connecting screw plate 42 has a first screw hole row 421 and a second screw hole row 422, the first screw hole row 421 and the second screw hole row 422 are located on both sides of the connecting screw plate 42, the connecting screw plate 42 is screwed to the few-leaf variable cross-section steel plate spring 41 through the first screw hole row 421, and the connecting screw plate 42 is screwed to the U-shaped bolt 45 through the second screw hole row 422.

In this embodiment, the first screw hole row 421 is used to fix the few leaf variable cross-section leaf spring 41, and the second screw hole row 422 is used to fix the U-shaped bolt 45, so that the few leaf variable cross-section leaf spring 41 and the U-shaped bolt 45 can be formed into a whole.

Further, the plate spring seat 44 has a circular hole and a plate spring groove, the circular hole penetrates through the plate spring seat 44 in the vertical direction and is communicated with the frame support seat 111, and the plate spring groove is engaged with the few-piece variable cross-section steel plate spring 41 and covers the outer peripheral side of the few-piece variable cross-section steel plate spring 41.

In the present embodiment, the circular hole is used to cooperate with a bolt so that the plate spring seat 44 can be fixed on the upper side of the frame support seat 111, and the plate spring groove cooperates with the plate spring 40 so that the plate spring seat 44 can be wrapped around the plate spring 40 to display the longitudinal displacement of the plate spring 40.

The utility model discloses on prior art's basis, through the structure of improving balanced suspension, add the back shaft of difference nature angle to effectively promote the stress bearing capacity of back shaft, and improve balance shaft support 10, effectively promote balance shaft support 10's stability, and improve leaf spring 40, make leaf spring 40 can effectively cooperate with last push rod, thereby promote the ride comfort of car.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. An automobile balance suspension is characterized in that the balance suspension is installed between automobile frames and comprises a balance shaft support, a thrust rod piece, a cross beam and a plate spring, wherein the balance shaft support is located on the lower side of the plate spring and is in threaded connection with the plate spring;

2. The automotive counterbalanced suspension of claim 1, wherein said thrust rods comprise upper thrust rods, lower thrust rods and thrust rod member seats, said upper thrust rods being located on the left and right sides of said transom and being rotatably connected to said transom, said lower thrust rods being rotatably connected to said counterbalancing axle seats and being located on the left and right sides of said bottom support, said thrust rod member seats being located on the end of said upper thrust rod seat opposite to said transom and being threadedly connected to said upper thrust rods and to said vehicle frame, respectively.

3. The automotive counterbalanced suspension of claim 2, wherein said upper thrust rod is a V-shaped thrust rod member comprising a rod head having a support shaft connected to the double axle of the frame, a rod body, a polyurethane elastomer and a connector, said rod head being fixedly connected to said connector through said rod body, said polyurethane elastomer being located at the junction of said rod head and said connector.

4. The automotive counterbalancing suspension of claim 3, wherein said lower thrust bar comprises a lower bar body and top tabs located on either side of said lower bar body, said top tabs being pivotally connected to said bottom support and located on either side of said bottom support.

5. The automotive counterbalanced suspension of claim 2, wherein the cross member comprises a rod support base, a connecting beam having a connecting hole, and a support rib, wherein the rod support base is disposed on both sides of the support rib and rotatably connected to the upper thrust rod, the connecting beam is connected to the frame through the connecting hole, and the support rib is disposed inside the connecting beam and surrounds the connecting beam.

6. The automotive counterbalanced suspension of claim 1, wherein said leaf spring comprises a plurality of variable cross-section leaf springs, a connecting threaded plate, a guide plate, a leaf spring seat and a U-shaped bolt, said plurality of variable cross-section leaf springs are threaded with said connecting threaded plate and are located on the lower side of said connecting threaded plate, said connecting threaded plate is connected with said frame support seat through said U-shaped bolt, said guide plate is threaded with said plurality of variable cross-section leaf springs through bolts, and said leaf spring seat is located on the lower side of said leaf spring.

7. The automotive counterbalanced suspension of claim 6, wherein said few leaf springs are formed from a stack of leaf springs, said leaf springs comprising arcuate segments and side segments, said arcuate segments being integrally formed with said side segments, said side segments being located on opposite sides of said arcuate segments.