CN218197813U

CN218197813U - Shock attenuation agricultural vehicle chassis assembly

Info

Publication number: CN218197813U
Application number: CN202222809429.8U
Authority: CN
Inventors: 毛培光
Original assignee: Ningbo Kaiming Machinery Manufacture Co ltd
Current assignee: Ningbo Kaiming Machinery Manufacture Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-03
Anticipated expiration: 2032-10-24

Abstract

The utility model belongs to the technical field of the agricultural vehicle part and specifically relates to a shock attenuation agricultural vehicle chassis assembly is related to, and it includes chassis, bridge component and damper, damper includes shock attenuation cover, elastic component and damping shaft, the shock attenuation cover with the damping shaft slides and connects, the lower terminal surface of shock attenuation cover with the bridge component links to each other, the elastic component set up in the shock attenuation cover, the one end of elastic component with the lower terminal surface looks butt of shock attenuation cover, the other end of elastic component with the up end looks butt of damping shaft, the up end of damping shaft with the lower terminal surface butt on chassis, the bridge component with chassis sliding connection. This application has the effect that reduces the vibrations of agricultural vehicle in-process of traveling.

Description

Shock attenuation agricultural vehicle chassis assembly

Technical Field

The application relates to the field of agricultural vehicle components, in particular to a damping agricultural vehicle chassis assembly.

Background

With the continuous development of mechanical technology, the agricultural vehicle is more and more popular in the country in China as a truck suitable for the use requirements of agricultural transportation and the like. At present, agricultural vehicles are widely applied in the aspects of farmer cultivation, field operation and the like.

The chassis is used as an important component for supporting and mounting an engine of the agricultural vehicle and other components and assemblies, and plays an important role in the aspects of overall modeling of the agricultural vehicle, receiving power of the engine, keeping the agricultural vehicle running normally and the like. The chassis is usually provided with components such as a frame, a driving assembly, a power device, a steering system, a front axle, a rear axle, a transmission shaft and the like.

In view of the above-mentioned related technologies, the inventor believes that the road surface in the rural area is uneven, the vibration generated by the agricultural vehicle during the driving process is large, and the transportation of some fragile crops such as eggs is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to reduce the vibrations of agricultural vehicle driving in-process, this application provides a shock attenuation agricultural vehicle chassis assembly.

The application provides a shock attenuation agricultural vehicle chassis assembly adopts following technical scheme:

the utility model provides a shock attenuation agricultural vehicle chassis assembly, includes chassis, bridge component and damper, damper includes shock attenuation cover, elastic component and damping shaft, the shock attenuation cover with the damping shaft slides and connects, the lower terminal surface of shock attenuation cover with the bridge component links to each other, the elastic component set up in the shock attenuation cover, the one end of elastic component with the lower terminal surface looks butt of shock attenuation cover, the other end of elastic component with the up end looks butt of damping shaft, the up end of damping shaft with the lower terminal surface butt of chassis, the bridge component with chassis sliding connection.

Through adopting above-mentioned technical scheme, traditional agricultural vehicle chassis passes through the bolt and directly links to each other with the bridge, when the road of road surface unevenness, can lead to the vibrations of agricultural vehicle comparatively obvious, and is comparatively inconvenient to some fragile agricultural products of transportation. Set up damper through the junction at agricultural vehicle and bridge, set up the elastic component in the shock attenuation cover, when the highway section through the unevenness, through the slip of shock attenuation cover and damping shaft, under the effect of elastic component compression and resilience for the damping shaft can keep the motion trend originally as far as possible, thereby makes the chassis can keep the motion trend originally, alleviates the vibrations that the chassis can alleviate the chassis, increases the security of crops transportation.

Optionally, the upper end of shock attenuation cover is provided with spacing lid, spacing lid with the shock attenuation cover can be dismantled and be connected, spacing lid is opened and is equipped with the confession the through-hole that the damping axle wore to establish, the damping axle lower extreme is provided with spacing piece, the lower terminal surface of spacing piece with the up end butt of elastic component, the up end of spacing piece with the lower terminal surface looks butt of spacing lid.

Through adopting above-mentioned technical scheme, during the installation damping axle, at first insert the damping axle in the damping bushing, install spacing lid in the damping bushing upper end again, through the setting of spacing lid and spacing piece, constitute spacingly to the damping axle to avoid as far as possible in the highway section of jolting, damping axle and damping bushing separation.

Optionally, the inner wall of the damping sleeve is provided with a positioning block, the lower end of the limiting cover is provided with a buckle, and the buckle is provided with a bayonet for clamping the positioning block.

Through adopting above-mentioned technical scheme, when installing spacing lid, only need with bayonet socket and locating piece joint for the buckle forms limit structure with the locating piece, thereby makes the mounting structure of spacing lid and shock attenuation cover simple, strengthens the installation stability of spacing lid and shock attenuation cover simultaneously.

Optionally, the damping component includes a damping block, one end of the damping block abuts against the lower end face of the limiting cover, and the other end of the damping block abuts against the upper end face of the limiting piece.

Through adopting above-mentioned technical scheme, when the surface of the road surface that is uneven, the shock attenuation axle slides from top to bottom, and the snubber block incessantly compresses the resilience under the effect of spacing piece and spacing lid for the shock attenuation axle keeps its motion state originally as far as possible, reduces the upper and lower slip of shock attenuation axle, thereby reduces the vibrations on chassis.

Optionally, the bridge component comprises a connecting bridge and a connecting sheet, the connecting sheet is connected with the connecting bridge, and the damping component is arranged on the upper end face of the connecting sheet.

Through adopting above-mentioned technical scheme, connect the shock attenuation cover and connect the bridge through the connection piece for the shock attenuation cover is simple with the connected bridge's connected mode, the shock attenuation cover of being convenient for and be connected between the bridge.

Optionally, slide bars are arranged at four corners of the connecting piece, the slide bars penetrate through the chassis, and slide holes for the slide bars to penetrate through are formed in the chassis.

Through adopting above-mentioned technical scheme, the setting of slide bar and slide opening for the base can slide along the slide bar, and when the damping axle slided from top to bottom, the base can slide from top to bottom thereupon, makes the lower terminal surface of base remain the butt with the up end of damping axle all the time.

Optionally, the chassis is provided with a damping block on the inner wall of the sliding hole, and the damping block wraps the sliding rod.

Through adopting above-mentioned technical scheme, set up the damping piece at the slide opening inner wall, increase the gliding resistance in chassis for when the chassis slided along the slide bar, receive certain resistance, thereby make the chassis more stable with being connected of bridge, can not rock at will.

Optionally, one end of the sliding rod is provided with a limiting block, and the diameter of the limiting block is larger than that of the sliding hole.

Through adopting above-mentioned technical scheme, set up the stopper in the one end of slide bar, constitute spacingly to the chassis through the stopper for the chassis can't follow the slide bar upper end and shift out, thereby has strengthened the stability of being connected between slide bar and the chassis.

Optionally, a damping ring is sleeved on the sliding rod, one end of the damping ring is abutted to the chassis, and the other end of the damping ring is abutted to the lower end face of the limiting block.

Through adopting above-mentioned technical scheme, the shock attenuation ring is established to the cover on the slide bar, and when the chassis upwards slided, the shock attenuation ring was compressed, under the effort that the shock attenuation ring kick-backed, has reduced the upper and lower slip on chassis to reduce the vibrations on chassis, promote the stability on the in-process chassis of traveling.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the sliding of the damping sleeve and the damping shaft, the damping shaft can keep the original movement trend as much as possible under the compression and rebound effects of the elastic part, so that the chassis can keep the original movement trend, the vibration of the chassis can be reduced, and the safety of crop transportation is improved;

2. when the vehicle passes through an uneven road surface, the damping shaft slides up and down, and the damping block is continuously compressed and rebounded under the action of the limiting sheet and the limiting cover, so that the damping shaft keeps the original motion state as much as possible, the up-and-down sliding of the damping shaft is reduced, and the vibration of the chassis is reduced;

3. the shock absorption ring is sleeved on the sliding rod, when the chassis slides upwards, the shock absorption ring is compressed, and under the resilience action force of the shock absorption ring, the up-and-down sliding of the chassis is reduced, so that the vibration of the chassis is reduced, and the stability of the chassis in the running process is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an exploded view of the shock-absorbing assembly of the present embodiment.

Fig. 3 is a schematic structural diagram of the chassis and the shock absorbing assembly of the present embodiment.

Fig. 4 is a schematic structural diagram of the chassis and the shock absorbing assembly of the present embodiment.

Description of reference numerals: 1. a chassis; 11. a slide hole; 111. a damping block; 2. a bridge assembly; 21. a connecting bridge; 22. connecting sheets; 221. positioning holes; 3. a shock-absorbing assembly; 31. a shock-absorbing sleeve; 311. positioning blocks; 32. a shock-absorbing shaft; 33. a limiting sheet; 34. an elastic member; 35. a damper block; 351. a groove; 36. a limiting cover; 361. buckling; 362. a bayonet; 363. a through hole; 37. an inner damping sleeve; 45. a damping sheet; 5. a slide bar; 51. a limiting block; 52. a shock absorbing ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses shock attenuation agricultural vehicle chassis assembly. Referring to fig. 1, a chassis 1 assembly of a shock-absorbing agricultural vehicle comprises a chassis 1, a bridge assembly 2 for connecting the chassis 1, and a shock-absorbing assembly 3 arranged between the chassis 1 and the bridge assembly 2. The bridge component 2 comprises a connecting bridge 21 and a connecting piece 22, and the connecting piece 22 is fixed on the connecting bridge 21 through a bolt. Through the setting of damper 3, reduce the vibrations between chassis 1 and the bridge 21 to make the state of chassis 1 more stable in the driving process.

Referring to fig. 2, the damping assembly 3 includes a damping sleeve 31 and a damping shaft 32, and the damping shaft 32 is movably disposed in the damping sleeve 31. Be provided with interior damping sleeve 37 in the damping sleeve 31, the diameter of interior damping sleeve 37 is less than damping sleeve 31, and outside damping sleeve 37 was located to the damping sleeve 31 cover, interior damping sleeve 37 and damping sleeve 31 all installed on connection piece 22 through welded mounting, through the setting of interior damping sleeve 37 and damping sleeve 31, provide the space that the activity was worn to establish for damping shaft 32.

The circumference of the lower end of the shock-absorbing shaft 32 is connected with a limiting piece 33, specifically, the diameter of the limiting piece 33 is consistent with the diameter difference between the inner shock-absorbing sleeve 37 and the shock-absorbing sleeve 31, the connecting mode of the limiting piece 33 and the shock-absorbing shaft 32 can be an integrated forming mode, and can also be a welding mode, and the embodiment adopts an integrated forming mode.

The upper end of the shock-absorbing sleeve 31 is detachably connected with a limit cover 36, and the limit cover 36 is provided with a through hole 363 for the shock-absorbing shaft 32 to penetrate. The inner wall of the damping sleeve 31 is connected with a positioning block 311, the lower end of the limiting cover 36 is provided with a buckle 361, and the buckle 361 is provided with a bayonet 362 for clamping the positioning block 311. The bayonet 362 and the limit cover 36 and the positioning block 311 and the damping sleeve 31 may be integrally formed or welded, in this embodiment, one end of the buckle 361 is welded to the limit cover 36, and the positioning block 311 is integrally formed on the inner wall of the damping sleeve 31. In this embodiment, four sets of the buckles 361 and the positioning blocks 311 are uniformly arranged around the inner walls of the limiting cover 36 and the damping sleeve 31, respectively, and in other embodiments, six sets or eight sets may be provided.

An elastic piece 34 is arranged between the inner damping sleeve 37 and the damping sleeve 31, the lower end face of the elastic piece 34 is connected with the connecting piece 22 in a gluing mode, and the upper end face of the elastic piece 34 is abutted to the lower end face of the limiting piece 33. Specifically, the elastic member 34 is a ring having an inner diameter corresponding to the outer diameter of the inner damping sleeve 37. The elastic member 34 may be a compression spring or a rubber pad, and in this embodiment, a rubber pad is used.

The upper end face of the limiting piece 33 is glued with a damping block 35, and the upper end face of the damping block 35 is abutted to the lower end face of the limiting cover 36. Specifically, the material of the damper 35 may be silicone or rubber, and in this embodiment, rubber consistent with the material of the elastic member 34 is used. The upper end of snubber block 35 is offered and is supplied buckle 361 to wear the recess 351 of establishing, and the quantity of recess 351 is unanimous with the quantity of buckle 361.

When the shock-absorbing component 3 is installed, the inner shock-absorbing sleeve 37 is firstly welded on the connecting piece 22, and then the shock-absorbing sleeve 31 is sleeved outside the inner shock-absorbing sleeve 37 and welded on the connecting piece 22. Then, the elastic member 34, the damping shaft 32 and the damping block 35 are sequentially installed between the inner damping sleeve 37 and the damping sleeve 31, finally, the limiting cover 36 is installed on the damping sleeve 31, and the buckle 361 and the positioning block 311 are clamped to form limiting.

Referring to fig. 3, a damping piece 45 is disposed at the upper end of the damping shaft 32, the lower end surface of the damping piece 45 is connected to the upper end surface of the damping shaft 32 by glue, and the upper end surface of the damping piece 45 is abutted to the lower end surface of the chassis 1. In this embodiment, the cross section of the damping sheet 45 is square, and in other embodiments, the cross section of the damping sheet 45 may be circular. The damper sheet 45 is made of rubber in conformity with the elastic member 34.

Referring to fig. 3 and 4, the four corners of the connecting piece 22 are detachably connected with the slide bar 5, the four corners of the connecting piece 22 are provided with positioning holes 221 for the insertion of the slide bar 5, and the slide bar 5 is connected with the positioning holes 221 through thread fit. The slide bar 5 penetrates through the chassis 1, and a slide hole 11 corresponding to the slide bar 5 is formed in the chassis 1. The sliding rods 5 are provided with four groups in the embodiment, and the sliding rods 5 can also be provided with groups or groups in other embodiments. Specifically, the diameter of the sliding hole 11 is slightly larger than that of the sliding rod 5, a cylindrical damping block 111 is arranged on the inner wall of the sliding hole 11, the outer wall of the damping block 111 is connected with the inner wall of the sliding hole 11 through glue, and the inner wall of the damping block 111 wraps the sliding rod 5.

The upper end of the sliding rod 5 is connected with a limiting block 51 for limiting the chassis 1, specifically, the limiting block 51 is a cylinder with a diameter larger than that of the sliding hole 11, and in other embodiments, the limiting block 51 may also be square. In this embodiment, the limiting block 51 and the sliding rod 5 are integrally formed, and in other embodiments, the limiting block 51 may also be welded to the upper end of the sliding rod 5. The slide rod 5 is sleeved with a damping ring 52, specifically, the damping ring 52 is made of a material consistent with the elastic element 34, the damping ring 52 is a cylinder with an inner diameter consistent with the slide rod 5 and an outer diameter larger than the diameter of the slide hole 11, the upper end face of the damping ring 52 is abutted with the lower end face of the limiting piece 33, and the lower end face of the damping ring 52 is abutted with the upper end face of the chassis 1.

When the chassis 1, the bridge component 2 and the shock absorption component 3 are installed, firstly, the shock absorption component 3 is installed on the connecting piece 22, then, the connecting piece 22 is installed on the connecting bridge 21 through bolts, then, the damping block 111 is installed on the inner wall of the sliding hole 11, the upper end of the sliding rod 5 is sleeved with the damping ring 52, and after the sliding rod 5 penetrates through the sliding hole 11, the sliding rod 5 is rotated, so that the threads at the lower end of the sliding rod 5 are clamped with the thread grooves in the inner wall of the positioning hole 221.

The implementation principle of 1 assembly of shock attenuation agricultural vehicle chassis in this application embodiment is: when the vehicle passes through an uneven road surface, relative sliding occurs between the shock absorbing shaft 32 and the shock absorbing sleeve 31, and at this time, the relative sliding between the shock absorbing shaft 32 and the shock absorbing sleeve 31 is minimized under the compression and rebound actions of the elastic member 34 and the shock absorbing block 35 in the shock absorbing sleeve 31. The chassis 1 is connected with the connecting bridge 21 in a sliding manner through the sliding rod 5, the upper end of the damping shaft 32 is abutted against the lower end of the chassis 1, the damping ring 52 is arranged on the upper end face of the chassis 1, and the chassis 1 can keep the original movement trend to run through the matching of the damping shaft 32 and the damping ring 52, so that the vibration of the chassis 1 is reduced, and the running stability of the chassis 1 is improved.

In addition, the inner wall of the sliding hole 11 is provided with a damping block 111, and the damping block 111 forms a certain resistance to the sliding of the chassis 1, so that the chassis 1 is more stable when sliding and cannot shake randomly

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a shock attenuation agricultural vehicle chassis (1) assembly which characterized in that: including chassis (1), bridge component (2) and damper component (3), damper component (3) are including shock attenuation cover (31), elastic component (34) and damping shaft (32), shock attenuation cover (31) with damping shaft (32) slide and are connected, the lower terminal surface of shock attenuation cover (31) with bridge component (2) link to each other, elastic component (34) set up in shock attenuation cover (31), the one end of elastic component (34) with the lower terminal surface looks butt of shock attenuation cover (31), the other end of elastic component (34) with the up end looks butt of damping shaft (32), the up end of damping shaft (32) with the lower terminal surface butt of chassis (1), bridge component (2) with chassis (1) sliding connection.

2. The shock-absorbing agricultural vehicle chassis (1) assembly according to claim 1, wherein: the upper end of shock attenuation cover (31) is provided with spacing lid (36), spacing lid (36) with shock attenuation cover (31) can be dismantled and be connected, the confession has been seted up to spacing lid (36) through-hole (363) that shock attenuation axle (32) were worn to establish, shock attenuation axle (32) lower extreme is provided with spacing piece (33), the lower terminal surface of spacing piece (33) with the up end butt of elastic component (34), the up end of spacing piece (33) with the lower terminal surface looks butt of spacing lid (36).

3. A shock absorbing agricultural vehicle chassis (1) assembly according to claim 2, wherein: the inner wall of the damping sleeve (31) is provided with a positioning block (311), the lower end of the limiting cover (36) is provided with a buckle (361), and the buckle (361) is provided with a bayonet (362) for clamping the positioning block (311).

4. A shock absorbing agricultural vehicle chassis (1) assembly according to claim 2, wherein: shock-absorbing component (3) include snubber block (35), the one end of snubber block (35) with the lower terminal surface butt of spacing lid (36), the other end of snubber block (35) with the up end butt of spacing piece (33).

5. A shock absorbing agricultural vehicle chassis (1) assembly according to claim 1, wherein: bridge component (2) are including connecting bridge (21) and connection piece (22), connection piece (22) with connect bridge (21) and link to each other, damper (3) set up in the up end of connection piece (22).

6. The shock-absorbing agricultural vehicle chassis (1) assembly according to claim 5, wherein: slide bars (5) are arranged at four corners of the connecting sheet (22), the slide bars (5) penetrate through the chassis (1), and slide holes (11) for the slide bars (5) to penetrate through are formed in the chassis (1).

7. The shock-absorbing agricultural vehicle chassis (1) assembly according to claim 6, wherein: the chassis (1) is provided with a damping block (111) on the inner wall of the sliding hole (11), and the damping block (111) wraps the sliding rod (5).

8. A shock-absorbing agricultural vehicle chassis (1) assembly according to claim 6, wherein: one end of the sliding rod (5) is provided with a limiting block (51), and the diameter of the limiting block (51) is larger than that of the sliding hole (11).

9. The shock-absorbing agricultural vehicle chassis (1) assembly according to claim 8, wherein: the shock absorption device is characterized in that the sliding rod (5) is sleeved with a shock absorption ring (52), one end of the shock absorption ring (52) is abutted to the chassis (1), and the other end of the shock absorption ring (52) is abutted to the lower end face of the limiting block (51).