CN218257729U

CN218257729U - Suspension device of gearbox

Info

Publication number: CN218257729U
Application number: CN202222743581.0U
Authority: CN
Inventors: 贺胜浩
Original assignee: Hunan Baotian Heavy Industry Co ltd
Current assignee: Hunan Baotian Heavy Industry Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-10
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a suspension device of a gearbox, which comprises a suspension beam and a mounting plate; suspension crossbeam and mounting panel fixed connection, the mounting panel symmetry is equipped with the mounting bolt hole, suspension crossbeam swing joint has a plurality of suspension connection spare, the suspension crossbeam is equipped with the roof beam groove, a plurality of fixed columns are installed to roof beam groove bottom surface, suspension connection spare is equipped with the activity hole, suspension connection spare swing joint has lower vibration isolation resilient gasket, both ends install transmission L shaped plate and connecting plate respectively about the suspension connection spare, a plurality of damping posts are installed to transmission L shaped plate, the vibration isolation spring is installed to the damping post, the equipment L shaped plate is installed to the connecting plate, the equipment L shaped plate is equipped with a plurality of equipment bolt holes, the utility model discloses a connecting plate, equipment plate and a plurality of suspension connection spare can make the crossbeam multipoint share atress, have avoided the crossbeam deformation that local long-term concentrated atress leads to, have improved the life of device, and through a plurality of last vibration isolation spring and lower vibration isolation resilient gasket's cooperation, have improved the vibration isolation effect.

Description

Suspension device of gearbox

Technical Field

The utility model relates to a technical field of car suspension especially relates to a suspension device of gearbox.

Background

The suspension system of the power assembly of the heavy truck plays an important role in the aspect of vibration reduction of the whole truck. On one hand, the vibration transmitted to a vehicle body or a vehicle frame by an engine is isolated; on the other hand, the vibration of the engine caused by the excitation of the road surface or the output torque fluctuation is attenuated, so that the effects of limiting, supporting and isolating the power assembly are achieved. Because the heavy truck has large bearing mass and poor road use condition, the power assembly has larger load action under the limit working condition. Therefore, the gearbox suspension device is required to have good reliability and vibration isolation performance so as to ensure the service life and comfort of the whole vehicle.

For example, patent application nos.: 201820583707.3 is fixedly connected with the middle part of the upper surface of the gearbox through a connecting bracket, and an arched gearbox suspension damping crossbeam enables a space to be formed between the upper part of the gearbox and the gearbox suspension damping crossbeam, and the space can be provided with a gearbox steel pipe and a hose, so that the space does not interfere with the gearbox suspension damping crossbeam under the dynamic condition; the arched gearbox suspension vibration damping crossbeam and the connecting support are connected through the connecting piece, the elastic gaskets are arranged on the upper surface and the lower surface in the middle of the gearbox suspension vibration damping crossbeam, and bidirectional vibration isolation of the gearbox suspension device is achieved through elastic deformation of the two elastic gaskets, so that vibration isolation performance is improved, and reliability is improved.

The inventor thinks that the stress points of the cross beam in the device are concentrated in the middle part, the middle part of the cross beam is possibly deformed after long-term use, the service life of the cross beam is short, and the upper part and the lower part of the cross beam are only damped by a single elastic gasket, so that the effect is poor.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a pair of suspension of gearbox is in order to solve the problem that exists among the prior art.

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

the utility model provides a suspension device of a gearbox, which comprises a suspension beam and a mounting plate; the suspension crossbeam and mounting panel fixed connection, the mounting panel symmetry is equipped with the mounting bolt hole, suspension crossbeam swing joint has a plurality of suspension connecting pieces, the suspension crossbeam is equipped with the roof beam groove, suspension connecting piece and roof beam groove swing joint, a plurality of fixed columns are installed to the roof beam groove bottom surface, suspension connecting piece is equipped with the activity hole, fixed column and activity hole swing joint, suspension connecting piece with swing joint has down vibration isolation resilient pad between the roof beam groove bottom surface, down vibration isolation resilient pad with the fixed column all with activity hole swing joint, suspension connecting piece installs transmission L shaped plate and connecting plate respectively in both ends about, a plurality of damping posts are installed to the transmission L shaped plate, damping post with install the vibration isolation spring between the suspension crossbeam, go up vibration isolation spring and the cooperation of vibration isolation resilient pad down, the equipment L shaped plate is installed to the connecting plate, the equipment L shaped plate is equipped with a plurality of equipment bolt holes.

Preferably, a chuck is installed on the upper end face of the fixing column, and the chuck is matched with the hanging connecting piece.

Preferably, a plurality of limiting steel plates are symmetrically arranged in the beam groove, and the limiting steel plates are movably connected and attached to the hanging connecting piece.

Preferably, the limiting steel plate is matched with the beam groove.

Preferably, a plurality of limiting cylinders are installed on the lower end face of the suspension cross beam, the upper vibration isolation spring is located inside the limiting cylinders, and the vibration damping columns are movably connected with and matched with the limiting cylinders.

Preferably, the distance between the two surfaces of the transmission L-shaped plate and the assembly L-shaped plate is 15cm.

The technical scheme has the following advantages or beneficial effects:

1. through connecting plate, equipment board and a plurality of suspension connection spare, can make the crossbeam multiple spot share the atress, avoided the local long-term crossbeam that leads to of concentrating the atress to warp, improved the life of device, and through the cooperation of a plurality of vibration isolation springs and lower vibration isolation elastic gasket, improved the vibration isolation effect.

Drawings

The invention and its features, aspects and advantages will become more apparent from the following detailed description of non-limiting embodiments, which is to be read in connection with the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic structural diagram provided in embodiment 1 of the present invention;

fig. 2 is a schematic view of a partial structure provided in embodiment 1 of the present invention;

fig. 3 is a cross-sectional view of a cross beam provided in embodiment 1 of the present invention;

fig. 4 is a partial sectional view provided in embodiment 3 of the present invention;

fig. 5 is an enlarged view of the region a provided in embodiment 1 of the present invention;

fig. 6 is an enlarged view of region b provided in embodiment 1 of the present invention.

In the figure: 1. suspending a beam; 11. a beam groove; 12. a limiting cylinder; 13. an upper vibration isolation spring; 14. a limiting steel plate; 15. fixing the column; 16. a chuck; 17. a lower vibration isolating elastic pad; 2. mounting a plate; 21. installing bolt holes; 3. a suspension connection; 31. a connecting plate; 32. assembling the L-shaped plate; 33. assembling bolt holes; 34. driving the L-shaped plate; 35. a damping column; 36. and (4) a movable hole.

Detailed Description

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like appear, the indicated orientation or positional relationship is based on the orientation or positional relationship as shown in the figures, merely for convenience in describing the invention and to simplify the description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

The terms "first," "second," and "third," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1-6, a suspension device for a gearbox comprises a suspension beam 1 and a mounting plate 2; the suspension crossbeam 1 is fixedly connected with the mounting plate 2, the mounting plate 2 is symmetrically provided with mounting bolt holes 21, the suspension crossbeam 1 is movably connected with a plurality of suspension connecting pieces 3, the suspension crossbeam 1 is provided with a beam groove 11, the suspension connecting pieces 3 are movably connected with the beam groove 11, a plurality of fixed columns 15 are mounted on the bottom surface of the beam groove 11, each suspension connecting piece 3 is provided with a movable hole 36, each fixed column 15 is movably connected with the corresponding movable hole 36, each suspension connecting piece 3 is movably connected with the corresponding movable hole 36 through a lower vibration isolation elastic gasket 17, each lower vibration isolation elastic gasket 17 is movably connected with the corresponding fixed column 15, transmission L-shaped plates 34 and connecting plates 31 are respectively mounted at the left end and the right end of each suspension connecting piece 3, the transmission L-shaped plates 34 are provided with a plurality of vibration isolation columns 35, the vibration isolation columns 35 are mounted between the suspension crossbeams 1 through upper vibration isolation springs 13, the upper vibration isolation springs 13 are matched with the lower vibration isolation elastic gaskets 17, the connecting plates 31 are provided with assembly L-shaped plates 32, the assembly L-shaped plates 32 are provided with a plurality of assembly L-shaped plates 33, the vibration isolation cross beams are provided with a plurality of vibration isolation bolts 31, an assembly plate and a plurality of suspension connecting pieces 3, so that the vibration isolation bolts holes can separate the vibration isolation cross beams, thereby avoiding local vibration isolation bolts and improving the effect of the vibration isolation springs and improving the long-time use life of the vibration isolation devices.

As shown in fig. 5, a chuck 16 is installed on the upper end face of the fixing column 15, the chuck 16 is matched with the suspension connecting piece 3, the suspension connecting piece 3 is prevented from being separated from the fixing column 15 by the chuck 16 when the amplitude is too large, a plurality of limiting steel plates 14 are symmetrically installed in the beam groove 11, the limiting steel plates 14 are movably connected and attached to the suspension connecting piece 3, the moving track of the suspension connecting piece 3 can be limited by the limiting steel plates 14, the limiting steel plates 14 are matched with the beam groove 11, and the overall strength of the suspension cross beam 1 is enhanced by the limiting steel plates 14 and the beam groove 11.

As shown in fig. 3 and 4, a plurality of limiting cylinders 12 are mounted on the lower end surface of the suspension beam 1, the upper vibration isolation spring 13 is located inside the limiting cylinders 12, and the vibration damping columns 35 are movably connected and engaged with the limiting cylinders 12, so that the moving direction of the vibration damping columns 35 is limited by the design, and the situation that the upper vibration isolation spring 13 cannot perform a vibration damping function due to the movement and the deviation of the vibration damping columns 35 is avoided.

As shown in FIG. 3, the distance between the two surfaces of the transmission L-shaped plate 34 and the assembly L-shaped plate 32 is 15cm, so that the transmission L-shaped plate 34 and the assembly L-shaped plate 32 are convenient to mount and connect with a gearbox, and the transmission L-shaped plate 34 and the assembly L-shaped plate 32 are prevented from being contacted and clamped with each other.

To sum up, the utility model provides a pair of suspension device of gearbox's concrete implementation mode does:

during the use, install suspension crossbeam 1 on the frame through the bolt of installation bolt hole 21, then connect gearbox and equipment L shaped plate 32 through the bolt of equipment bolt hole 33 with the bolt, on the way of the vehicle is gone, when the road conditions influence leads to the vehicle to jolt or engine torque fluctuation leads to the vibration, the vibration that the engine produced passes through the gearbox, equipment L shaped plate 32 transmits to suspension connecting piece 3 with connecting plate 31, and the vibration that the vehicle jolt was gone through the frame, mounting panel 2 transmits to suspension connecting piece 3 with suspension crossbeam 1, suspension connecting piece 3 receives the vibration and reciprocates under the spacing direction of spacing steel sheet 14, upper vibration isolation spring 13 carries out two-way damping to suspension connecting piece 3 with lower vibration isolation elastic gasket 17 this moment, avoid transmitting the vibration between frame and the engine each other, reach the effect of vibration isolation, in this process, the downward pulling force that the crossbeam received distributes at a plurality of suspension connecting piece 3, cooperate the reinforcement of spacing steel sheet 14, effectively prevented the crossbeam deformation.

The above only is the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures that are used in the content of the specification and the attached drawings of the present invention can be changed or directly or indirectly used in other related technical fields, and all the same principles are included in the patent protection scope of the present invention.

Claims

1. The suspension device of the gearbox is characterized by comprising a suspension cross beam (1) and a mounting plate (2);

the suspension cross beam (1) is fixedly connected with the mounting plate (2), the mounting plate (2) is symmetrically provided with mounting bolt holes (21), the suspension cross beam (1) is movably connected with a plurality of suspension connecting pieces (3), the suspension beam (1) is provided with a beam groove (11), the suspension connecting piece (3) is movably connected with the beam groove (11), a plurality of fixing columns (15) are arranged on the bottom surface of the beam groove (11), the suspension connecting piece (3) is provided with a movable hole (36), the fixed column (15) is movably connected with the movable hole (36), a lower vibration isolation elastic gasket (17) is movably connected between the suspension connecting piece (3) and the bottom surface of the beam groove (11), the lower vibration isolation elastic gasket (17) and the fixed column (15) are movably connected with the movable hole (36), the left end and the right end of the suspension connecting piece (3) are respectively provided with a transmission L-shaped plate (34) and a connecting plate (31), the transmission L-shaped plate (34) is provided with a plurality of damping columns (35), an upper vibration isolation spring (13) is arranged between the vibration damping column (35) and the suspension cross beam (1), the upper vibration isolation spring (13) is matched with the lower vibration isolation elastic gasket (17), an assembly L-shaped plate (32) is mounted on the connecting plate (31), and a plurality of assembly bolt holes (33) are formed in the assembly L-shaped plate (32).

2. A suspension arrangement for a gearbox according to claim 1, wherein: a chuck (16) is installed on the upper end face of the fixing column (15), and the chuck (16) is matched with the hanging connecting piece (3).

3. A suspension arrangement for a gearbox according to claim 1, wherein: a plurality of limiting steel plates (14) are symmetrically installed in the beam groove (11), and the limiting steel plates (14) are movably connected and attached to the suspension connecting piece (3).

4. A suspension arrangement for a gearbox according to claim 3, wherein: the limiting steel plate (14) is matched with the beam groove (11).

5. A suspension arrangement for a gearbox according to claim 1, characterised in that: a plurality of limiting cylinders (12) are installed on the lower end face of the suspension cross beam (1), the upper vibration isolation spring (13) is located inside the limiting cylinders (12), and the vibration damping columns (35) are movably connected with and matched with the limiting cylinders (12).

6. A suspension arrangement for a gearbox according to claim 1, characterised in that: and the distance between the transmission L-shaped plate (34) and the two surfaces of the assembly L-shaped plate (32) is 15cm.