CN217835281U

CN217835281U - Leaf spring suspension device of large trailer

Info

Publication number: CN217835281U
Application number: CN202222377572.4U
Authority: CN
Inventors: 张玉环; 王金海
Original assignee: Liangshan Huanhai Machinery Co ltd
Current assignee: Liangshan Huanhai Machinery Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-11-18
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a leaf spring suspension device of large-scale trailer, including the mount of fixed mounting on the leaf spring body, seted up on the mount and hung the groove, and hang about the groove the lateral wall all seted up the shifting chute, two equal sliding connection has the movable plate, two on the shifting chute the equal fixed mounting of lower extreme of movable plate has the regulating block, the lower lateral wall that hangs the groove has seted up the regulating chute, and the regulating chute is sliding connection with two regulating blocks, install adjustment mechanism on the mount, and adjustment mechanism cooperatees with two regulating blocks. Has the advantages that: the size of the connecting space in the suspension groove can be adjusted according to needs, so that the connection tightness between the fixing frame and the axle is improved, and the problem that the axle and the steel plate spring suspension are subjected to relative motion to cause abrasion in the trailer moving process due to the gap between the fixing frame and the axle is avoided.

Description

Leaf spring suspension device of large trailer

Technical Field

The utility model relates to a trailer suspension technical field especially relates to a leaf spring suspension device of large-scale trailer.

Background

By trailer is meant a vehicle towed by a motor vehicle without a power drive of its own, the coupling device serving to couple the front and rear trailers. The steel plate spring suspension of trailer is characterized by that on the suspension of trailer a steel plate spring is mounted, said steel plate spring is formed from several steel sheets with identical elasticity and width and different lengths, and is aimed at connecting the vehicle frame and vehicle axle together in the form of suspension, and exposing them between the vehicle frame and vehicle axle, and can bear the load impact of wheel to the vehicle frame, reduce violent movement of vehicle body and retain the running stability of vehicle and adaptability to different road conditions. The connection between current leaf spring suspension and the axle adopts the bolt to fix, when there is the clearance between axle and the leaf spring suspension mounted position, easily appears wearing and tearing problem, influences the stability of connecting, consequently need to design the leaf spring suspension device of a large-scale trailer urgently.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a leaf spring suspension device of a large trailer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a leaf spring suspension device of large-scale trailer, includes the mount of fixed mounting on the leaf spring body, seted up on the mount and hung the groove, and hang about the groove the lateral wall all seted up the shifting chute, two equal sliding connection has the movable plate, two on the shifting chute the equal fixed mounting of lower extreme of movable plate has the regulating block, the regulating chute has been seted up to the lower lateral wall that hangs the groove, and the regulating chute is sliding connection with two regulating blocks, install adjustment mechanism on the mount, and adjustment mechanism cooperatees with two regulating blocks.

In foretell leaf spring suspension device of large-scale trailer, adjustment mechanism comprises bull stick, two-way lead screw, carousel, recess, positioning bolt and a plurality of through-hole, the bull stick rotates to be connected on the mount, two-way lead screw fixed mounting is in the one end that the bull stick is located the adjustment tank, and two-way lead screw and two regulating blocks are threaded connection, carousel fixed mounting is at the other end of bull stick, the recess is seted up on the lateral wall of mount, and the recess cooperatees with the carousel, and is a plurality of the through-hole is all seted up on the carousel, positioning bolt threaded connection is on the recess, and positioning bolt cooperatees with one of them through-hole.

In the above leaf spring suspension device for a large trailer, the ends of the two moving plates close to each other are fixedly provided with a protruding rod, and the length of the protruding rod is less than or equal to the width of the moving groove.

In the steel plate spring suspension device of the large trailer, the two convex rods positioned on the left side are fixedly provided with the fixture blocks, the two convex rods positioned on the right side are provided with the clamping grooves, and the two clamping grooves are matched with the two fixture blocks respectively.

In the above leaf spring suspension device for a large trailer, rubber plates are fixedly mounted on the side walls of the two moving plates at the ends close to each other.

In the above steel plate spring suspension device for a large trailer, rubber pads are fixedly mounted on the side walls of the ends, close to the convex rods, of every two convex rods corresponding to each other in the up-down position.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the cooperation of two movable plates, can adjust the connection space size that hangs in the inslot, can improve the connection compactness between mount and the axle, avoid having the clearance between the two to lead to the trailer to remove the problem that relative motion takes place to lead to wearing and tearing between in-process axle and this leaf spring suspension.

2: through the cooperation of adjustment mechanism and two regulating blocks, can control the interval size of two movable plates as required, control mode is comparatively simple and convenient, and the stability after the regulation can effectively be ensured.

3: through the cooperation of fixture block and draw-in groove, when two movable plates were close to each other, can make two protruding poles that the position corresponds about on two movable plates realize effective connection to can ensure the connection stability of two movable plates, further improve the fixed effect of axle on the mount.

To sum up, the utility model discloses can adjust the connection space size that hangs the inslot as required to this improves the connection compactness between mount and the axle, avoids having the clearance between the two to lead to the trailer to remove in-process axle and this leaf spring suspension to take place the problem that relative motion leads to wearing and tearing.

Drawings

Fig. 1 is a schematic structural diagram of a leaf spring suspension device of a large trailer according to the present invention;

FIG. 2 is an enlarged view of the fixing frame and the components thereon shown in FIG. 1;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: the device comprises a steel plate spring body 1, a fixed frame 2, a suspension groove 3, a moving groove 4, a moving plate 5, a protruding rod 6, a clamping groove 7, a clamping block 8, a rubber pad 9, a rubber plate 10, an adjusting block 11, an adjusting groove 12, a rotating rod 13, a bidirectional screw rod 14, a rotating disc 15, a groove 16, a through hole 17 and a positioning bolt 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a leaf spring suspension device of a large trailer comprises a fixed frame 2 fixedly installed on a leaf spring body 1, wherein a suspension groove 3 is formed on the fixed frame 2;

the above is noteworthy:

1. hang groove 3 and be used for providing hookup location for being connected between axle and this leaf spring suspension, hang the lateral wall about groove 3 and all seted up shifting chute 4, equal sliding connection has movable plate 5 on two shifting chutes 4, two movable plates 5 can be close to each other or keep away from in hanging groove 3, thereby can adjust the connection space size in hanging groove 3, be convenient for improve the compactness of being connected between mount 2 and the axle, avoid having the clearance between the two to lead to the trailer to remove the in-process axle and this leaf spring suspension to take place the problem that relative motion leads to wearing and tearing, the result of use of this leaf spring suspension has been ensured.

2. The lower ends of the two moving plates 5 are fixedly provided with adjusting blocks 11, the lower side wall of the suspension groove 3 is provided with an adjusting groove 12, the adjusting groove 12 and the two adjusting blocks 11 are connected in a sliding mode, the fixing frame 2 is provided with an adjusting mechanism, the adjusting mechanism is matched with the two adjusting blocks 11, and the adjusting mechanism is composed of a rotating rod 13, a bidirectional screw rod 14, a rotary table 15, a groove 16, a positioning bolt 18 and a plurality of through holes 17.

3. The rotating rod 13 is rotatably connected to the fixing frame 2, the bidirectional screw rod 14 is fixedly installed at one end of the rotating rod 13, which is located in the adjusting groove 12, the bidirectional screw rod 14 and the two adjusting blocks 11 are both in threaded connection, the rotary table 15 is fixedly installed at the other end of the rotating rod 13, the groove 16 is formed in the side wall of the fixing frame 2, the groove 16 is matched with the rotary table 15, the through holes 17 are formed in the rotary table 15, the positioning bolt 18 is in threaded connection with the groove 16 and matched with one of the through holes 17, when the distance between the two moving plates 5 needs to be adjusted, the positioning bolt 18 is taken down firstly, then the rotary table 15 is rotated, the distance between the two moving plates 5 can be adjusted smoothly by utilizing the cooperation of the bidirectional screw rod 14 and the two adjusting blocks 11, and after the adjustment is finished, the positioning bolt 18 penetrates through the through hole 17 at the corresponding position on the rotary table 15 and is fixed in the groove 16.

4. The equal fixed mounting in one end that two movable plates 5 are close to mutually has nose bar 6, and the length less than or equal to width of shifting chute 4 of nose bar 6, it has fixture block 8 to be located equal fixed mounting on two left nose bars 6, draw-in groove 7 has all been seted up on two nose bars 6 that are located the right side, and two draw-in grooves 7 cooperate with two fixture blocks 8 respectively, through the cooperation of fixture block 8 with draw-in groove 7, when two movable plates 5 are close to each other, can make two corresponding nose bars 6 of position realize effective connection about on two movable plates 5, thereby can ensure the connection stability of two movable plates 5, ensure the fixed effect of axle on mount 2.

5. The rubber plates 10 are fixedly mounted on the side walls of the ends, close to each other, of the two movable plates 5, the rubber pads 9 are fixedly mounted on the side walls of the ends, close to each other, of the protruding rods 6 corresponding to the upper and lower positions of each two movable plates 5, and the problem of abrasion caused by direct contact between the axle and the movable plates 5 can be solved through the design of the rubber plates 10 and the rubber pads 9.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a leaf spring suspension device of large-scale trailer, includes mount (2) of fixed mounting on leaf spring body (1), its characterized in that, seted up on mount (2) and hung groove (3), and hang about groove (3) the lateral wall all seted up shifting chute (4), two equal sliding connection has movable plate (5), two on shifting chute (4) the equal fixed mounting of lower extreme of movable plate (5) has regulating block (11), lower lateral wall that hangs groove (3) has seted up regulating groove (12), and regulating groove (12) and two regulating block (11) are sliding connection, install adjustment mechanism on mount (2), and adjustment mechanism cooperatees with two regulating block (11).

2. The plate spring suspension device of a large trailer according to claim 1, wherein the adjusting mechanism is composed of a rotating rod (13), a bidirectional screw rod (14), a rotary table (15), a groove (16), a positioning bolt (18) and a plurality of through holes (17), the rotating rod (13) is rotatably connected to the fixing frame (2), the bidirectional screw rod (14) is fixedly installed at one end of the rotating rod (13) located in the adjusting groove (12), the bidirectional screw rod (14) and the two adjusting blocks (11) are both in threaded connection, the rotary table (15) is fixedly installed at the other end of the rotating rod (13), the groove (16) is formed in the side wall of the fixing frame (2), the groove (16) is matched with the rotary table (15), the through holes (17) are formed in the rotary table (15), the positioning bolt (18) is in threaded connection with the groove (16), and the positioning bolt (18) is matched with one of the through holes (17).

3. The leaf spring suspension device of a large trailer according to claim 1, characterized in that the adjacent ends of the two moving plates (5) are fixedly provided with a protruding rod (6), and the length of the protruding rod (6) is less than or equal to the width of the moving groove (4).

4. The plate spring suspension device of a large trailer according to claim 3, wherein two of the nose bars (6) on the left side are both fixedly provided with a fixture block (8), two of the nose bars (6) on the right side are both provided with a fixture groove (7), and the two fixture grooves (7) are respectively matched with the two fixture blocks (8).

5. The leaf spring suspension device of a large trailer according to claim 1, characterized in that the rubber plate (10) is fixedly mounted on the side wall of one end of the two moving plates (5) close to each other.

6. The leaf spring suspension device of a large trailer according to claim 3, characterized in that rubber pads (9) are fixedly mounted on the side wall of one end of each two corresponding upper and lower position of the protruding rods (6) close to each other.