CN213501705U

CN213501705U - Reversely-mounted three-axle suspension

Info

Publication number: CN213501705U
Application number: CN202022498747.8U
Authority: CN
Inventors: 王庆江
Original assignee: Jiangling Group Shandong Huayue Vehicle Parts Co ltd
Current assignee: Jiangling Group Shandong Huayue Vehicle Parts Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-06-22
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a three bridges of anti-dress hang, including fore-stock assembly, two well support assemblies and after-poppet assembly, equal fixed mounting has the connection leaf spring between adjacent fore-stock assembly, two well support assemblies and the after-poppet assembly, and three connection leaf spring all carries out fixed connection through U type bolt and thick nut, and the bottom of three U type bolt is all fixed and is equipped with light-duty disjunctor lug, and the light-duty disjunctor lug that wherein is located the centre carries out fixed connection through fixed pull rod assembly and one of them well support assembly, the beneficial effects of the utility model are that: the front support assembly can be applicable to the leaf spring of different grade type and size, has improved application scope to can prevent through the antifriction plate that sets up to connect and can often take place lateral sliding between leaf spring and the curb plate and make the curb plate wearing and tearing, can store lubricating grease through the oil inlet that is equipped with and reduce the antifriction plate and connect frictional force between the leaf spring, improve life.

Description

Reversely-mounted three-axle suspension

Technical Field

The utility model relates to a hang, in particular to reverse-mounted three-axle hangs belongs to semitrailer accessory technical field.

Background

Suspension often refers to the suspension system of a vehicle. The suspension system is a general term for all force-transmitting connecting devices between a frame and an axle or a wheel of an automobile, and has the functions of transmitting force and torque acting between the wheel and the frame, buffering impact force transmitted to the frame or an automobile body from an uneven road surface and attenuating vibration caused by the impact force so as to ensure that the automobile can run stably. The reverse three-axle suspension is one of suspension systems and is commonly used on a semitrailer, the three-axle suspension consists of a front support assembly, a middle support assembly and a rear support assembly, but the front support assembly used in the current three-axle suspension can only fix the same type of plate spring, and has a small application range and is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reverse-mounted three-axle hangs to the fore-stock assembly who uses in hanging of present three-axle that proposes in solving above-mentioned background art can only fix the problem of the leaf spring of same type.

In order to achieve the above object, the utility model provides a following technical scheme: a reverse three-axle suspension comprises a front support assembly, two middle support assemblies and a rear support assembly, wherein connecting plate springs are fixedly arranged between the adjacent front support assembly, two middle support assemblies and rear support assembly, the three connecting plate springs are fixedly connected through U-shaped bolts and thick nuts, the bottom ends of the three connecting plate springs are fixedly provided with plate spring seats, the bottom ends of the three U-shaped bolts are fixedly provided with light-weight connected lifting lugs, the light-weight connected lifting lug in the middle is fixedly connected with one of the middle support assemblies through a fixed pull rod assembly, the light-weight connected lifting lug on one side is fixedly connected with the other middle support assembly through an adjusting pull rod assembly, the light-weight connected lifting lug on the other side is fixedly connected with the front support assembly through an adjusting pull rod assembly, the front support assembly comprises two side plates, two through backup pad fixed connection between the side plates, the top fixed mounting of backup pad has the arc, two the fixed round pin seat that is equipped with in top of curb plate, two the antifriction plate, two, all welded on the inner wall of curb plate the surface of antifriction plate and two the rectangular channel has all been seted up on the surface of curb plate, two one side of curb plate all is equipped with the mounting panel, two the mounting hole has all been seted up at the middle part of mounting panel, two the mounting panel all passes through fixing bolt and fixation nut and curb plate fixed connection, two spouts, two have all been seted up to one side of curb plate is all fixed and is equipped with the transport subassembly.

As a preferred technical scheme of the utility model, the transport subassembly includes two connecting blocks and handle, two the connecting block is fixed to be set up one side of curb plate, two rotate through the pivot between the connecting block and be connected with handle, two the surface of pivot all is equipped with the torsional spring.

As an optimized technical scheme of the utility model, a plurality of oil filler point has been seted up on the surface of antifriction plate.

As an optimal technical scheme of the utility model, two the inside of well support assembly is all fixed and is equipped with the balance arm.

As an optimal technical scheme of the utility model, it is three it is all fixed to be equipped with the steel sheet concora crush board to connect between leaf spring and the U type bolt.

As an optimal technical scheme of the utility model, two one side of curb plate is all fixed and is equipped with the reinforcing plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a three-axle suspension of reverse installation, the fore-stock assembly can be applicable to the leaf spring of different grade type and size, has improved the application scope, and can prevent through the antifriction plate that sets up connecting the leaf spring and can often take place the lateral slip between the curb plate and make the curb plate wear, can store lubricating grease through the oil inlet that is equipped with and reduce the frictional force between antifriction plate and the connecting the leaf spring, has improved life; the front support assembly is convenient to carry through the arranged carrying component.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the front bracket assembly of the present invention;

FIG. 3 is a schematic side view of the front bracket assembly of the present invention;

fig. 4 is an enlarged schematic structural view of the carrying assembly of the present invention.

In the figure: 1. a front bracket assembly; 2. a middle support assembly; 3. a rear bracket assembly; 4. a U-shaped bolt; 5. a plate spring seat; 6. connecting the plate spring; 7. a light-weight connected lifting lug; 8. adjusting the pull rod assembly; 9. a steel plate flat pressing plate; 10. a thick nut; 11. a side plate; 12. a pin boss; 13. a wear plate; 14. mounting a plate; 15. a chute; 16. mounting holes; 17. a rectangular groove; 18. fixing the bolt; 19. fixing a nut; 110. a handling assembly; 1101. connecting blocks; 1102. a rotating shaft; 1103. a handle; 1104. a torsion spring; 111. an oil filler hole; 112. a support plate; 113. an arc-shaped plate; 114. a reinforcing plate; 21. a balance arm; 22. and fixing the pull rod assembly.

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. 1-4, the utility model provides a reverse-mounted three-axle suspension, which comprises a front bracket assembly 1, two middle bracket assemblies 2 and a rear bracket assembly 3, wherein connecting plate springs 6 are fixedly arranged between the adjacent front bracket assembly 1, two middle bracket assemblies 2 and the rear bracket assembly 3, the three connecting plate springs 6 are fixedly connected through U-shaped bolts 4 and thick nuts 10, the bottom ends of the three connecting plate springs 6 are fixedly provided with plate spring seats 5, the bottom ends of the three U-shaped bolts 4 are fixedly provided with light-weight conjoined lugs 7, wherein the light-weight conjoined lug 7 in the middle is fixedly connected with one of the middle bracket assemblies 2 through a fixed pull rod assembly 22, the light-weight conjoined lug 7 on one side is fixedly connected with the other middle bracket assembly 2 through an adjusting pull rod assembly 8, the light-weight conjoined lug 7 on the other side is fixedly connected with the front bracket assembly 1 through an adjusting pull rod assembly 8, front brace assembly 1 includes two curb plates 11, through backup pad 112 fixed connection between two curb plates 11, the top fixed mounting of backup pad 112 has arc 113, the fixed key seat 12 that is equipped with in top of two curb plates 11, antifriction plate 13 has all been welded to the inner wall of two curb plates 11, rectangular channel 17 has all been seted up on the surface of two antifriction plate 13 and the surface of two curb plates 11, one side of two curb plates 11 all is equipped with mounting panel 14, mounting hole 16 has all been seted up at the middle part of two mounting panels 14, two mounting panels 14 all pass through fixing bolt 18 and fixation nut 19 and curb plate 11 fixed connection, two spouts 15 have all been seted up to one side of two curb plates 11, one side of two curb plates 11 is all fixed and is equipped with transport subassembly.

Preferably, the carrying assembly 110 includes two connecting blocks 1101 and a handle 1103, the two connecting blocks 1101 are fixedly disposed at one side of the side plate 11, the handle 1103 is rotatably connected between the two connecting blocks 1101 through a rotating shaft 1102, torsion springs 1104 are disposed on surfaces of the two rotating shafts 1102, the front bracket assembly 1 is carried to the mounting position through the handle 1103, and the handle 1103 resets the handle 1103 under the action of the rotating shafts 1102 and the torsion springs 1104; a plurality of oil injection holes 111 are formed in the surface of the wear-resisting plate 13, and lubricating grease is injected through the oil injection holes 111, so that the friction force between the wear-resisting plate 13 and the connecting plate spring 6 is reduced; the balance arms 21 are fixedly arranged in the two middle support assemblies 2, so that the balance performance is improved; steel plate flat pressing plates 9 are fixedly arranged between the three connecting plate springs 6 and the U-shaped bolts 4, and the connection stability between the connecting plate springs 6 and the U-shaped bolts 4 is ensured through the arranged steel plate flat pressing plates 9; and one side of each of the two side plates 11 is fixedly provided with a reinforcing plate 114, so that the pressure resistance of the front bracket assembly 1 is improved.

When in specific use, the utility model relates to a reverse-mounted three-bridge suspension, firstly, a front bracket assembly 1 is carried to a mounting position through a handle 1103, the handle 1103 resets the handle 1103 under the action of a rotating shaft 1102 and a torsional spring 1104, a connecting plate spring 6 is fixed through a U-shaped bolt 4 and a thick nut 10, the connecting plate spring 6 is fixedly mounted between the adjacent front bracket assembly 1, two middle bracket assemblies 2 and a rear bracket assembly 3, wherein a light-weight conjoined lifting lug 7 positioned in the middle is fixedly connected with one middle bracket assembly 2 through a fixed pull rod assembly 22, the light-weight conjoined lifting lug 7 positioned on one side is fixedly connected with the other middle bracket assembly 2 through an adjusting pull rod assembly 8, the light-weight conjoined lifting lug 7 positioned on the other side is fixedly connected with the front bracket assembly 1 through the adjusting pull rod assembly 8, according to the size and the type of the connecting plate spring 6, adjusting the position of the mounting plate 14, fixing the position of the mounting plate 14 through the threaded connection of a fixing bolt 18 and a fixing nut 19, and then fixedly connecting one end of the connecting plate spring 6 through a bolt passing through the mounting hole 16, so as to fix the connecting plate spring 6; grease is then injected into the oil filler hole 111, and the grease is stored to reduce the frictional force between the wear plate 13 and the coupling plate spring 6.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element 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 the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The reversely-installed three-axle suspension comprises a front support assembly (1), two middle support assemblies (2) and a rear support assembly (3), and is characterized in that a connecting plate spring (6) is fixedly installed between the front support assembly (1), the two middle support assemblies (2) and the rear support assembly (3) and is adjacent to the front support assembly (1), the connecting plate spring (6) is fixedly connected with a thick nut (10) through a U-shaped bolt (4), the bottom end of the connecting plate spring (6) is fixedly provided with a plate spring seat (5), the bottom end of the U-shaped bolt (4) is fixedly provided with a light connecting lug (7), the light connecting lug (7) located in the middle is fixedly connected with one of the middle support assemblies (2) through a fixed pull rod assembly (22), the light connecting lug (7) located on one side is fixedly connected with the other middle support assembly (2) through an adjusting pull rod assembly (8) The light-duty conjoined lifting lug (7) positioned on the other side is fixedly connected with the front support assembly (1) through an adjusting pull rod assembly (8), the front support assembly (1) comprises two side plates (11), the two side plates (11) are fixedly connected through a support plate (112), an arc-shaped plate (113) is fixedly arranged at the top of the support plate (112), pin bases (12) are fixedly arranged at the top ends of the two side plates (11), wear-resisting plates (13) are welded on the inner walls of the two side plates (11), rectangular grooves (17) are respectively formed in the surfaces of the two wear-resisting plates (13) and the surfaces of the two side plates (11), mounting plates (14) are respectively arranged on one sides of the two side plates (11), mounting holes (16) are respectively formed in the middles of the two mounting plates (14), and the two mounting plates (14) are respectively fixedly connected with the side plates (11) through fixing bolts (18) and fixing nuts (19), two sliding grooves (15) are formed in one side of each side plate (11), and a carrying assembly (110) is fixedly arranged on one side of each side plate (11).

2. The inverted triple axle suspension of claim 1, wherein: the carrying assembly (110) comprises two connecting blocks (1101) and a lifting handle (1103), the two connecting blocks (1101) are fixedly arranged on one side of the side plate (11), the lifting handle (1103) is rotatably connected between the two connecting blocks (1101) through a rotating shaft (1102), and torsion springs (1104) are arranged on the surfaces of the rotating shafts (1102).

3. The inverted triple axle suspension of claim 1, wherein: the surface of the wear-resisting plate (13) is provided with a plurality of oil holes (111).

4. The inverted triple axle suspension of claim 1, wherein: and balance arms (21) are fixedly arranged in the two middle support assemblies (2).

5. The inverted triple axle suspension of claim 1, wherein: and steel plate flat pressing plates (9) are fixedly arranged between the three connecting plate springs (6) and the U-shaped bolts (4).

6. The inverted triple axle suspension of claim 1, wherein: and a reinforcing plate (114) is fixedly arranged on one side of each of the two side plates (11).