CN216468071U - Self-propelled chassis vibration damper with adjustable ground clearance - Google Patents
Self-propelled chassis vibration damper with adjustable ground clearance Download PDFInfo
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- CN216468071U CN216468071U CN202122605286.4U CN202122605286U CN216468071U CN 216468071 U CN216468071 U CN 216468071U CN 202122605286 U CN202122605286 U CN 202122605286U CN 216468071 U CN216468071 U CN 216468071U
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- oil cylinder
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Abstract
The utility model discloses a self-propelled chassis vibration damping device with adjustable ground clearance, which comprises an installation base used for connecting walking wheels, wherein a vertical sliding guide device is fixedly arranged on the installation base, a sliding seat is arranged on the vertical sliding guide device in a sliding manner, a chassis connecting cross beam mechanism is connected onto the sliding seat in a swinging manner, a lifting oil cylinder is arranged between the sliding seat and the installation base, and the lifting oil cylinder is connected with a chassis vibration damping energy storage device. The chassis vibration damping device is simple and easy in structure, large in adjustment range and good in chassis vibration damping effect, and the ground clearance amplitude can be freely adjusted.
Description
Technical Field
The utility model relates to a self-propelled chassis vibration damping device of agricultural equipment, in particular to a self-propelled chassis vibration damping device with an adjustable ground clearance.
Background
One of the development directions of agricultural equipment is large-scale development, the aim is to improve the working efficiency, the self weight of the agricultural equipment is large, and the height of a chassis ground clearance is generally low to ensure the running stability. When some agricultural equipment such as a self-propelled pesticide spraying machine works in the field, the height of a ground clearance of a chassis needs to be adjusted according to different heights of different crops or different heights of the same crop in different growth periods for working. The existing self-propelled agricultural equipment is rarely provided with a chassis ground clearance adjusting device, and some self-propelled chassis provided with the ground clearance adjusting device have limited ground clearance adjusting amplitude due to complex adjusting structures; the other self-propelled agricultural equipment chassis are usually complex in vibration reduction mechanism, and the arrangement and installation of the vibration reduction mechanism occupy space, so that the arrangement of the whole machine is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a self-propelled chassis vibration damping device with adjustable ground clearance, which is simple and easy in structure, freely adjustable in ground clearance amplitude and good in chassis vibration damping effect.
In order to solve the technical problem, the technical scheme of the utility model is as follows: the utility model provides a self-propelled chassis vibration damper of ground clearance adjustable, is including the installation base that is used for connecting the walking wheel, the fixed vertical slip guider that is provided with on the installation base, the slip is provided with the sliding seat on the vertical slip guider, the swing is connected with chassis connection crossbeam mechanism on the sliding seat, be provided with lift cylinder between sliding seat and the installation base, lift cylinder is connected with chassis damping energy storage equipment.
According to a preferable technical scheme, the vertical sliding guide device comprises at least two sliding shafts fixedly connected to the installation base, limiting sleeves are fixedly arranged at the top ends of the sliding shafts, and the sliding seats are arranged on the sliding shafts in a sliding mode.
As a preferable technical scheme, the number of the sliding shafts is three, and the three sliding shafts are arranged on the mounting base in a triangular shape.
According to a preferable technical scheme, the sliding seat comprises two fixed plates which are arranged up and down, a sliding sleeve corresponding to the sliding shaft is arranged between the two fixed plates, the two fixed plates are respectively and fixedly connected with two ends of the sliding sleeve, and the sliding shaft respectively penetrates through the corresponding sliding sleeve.
According to the preferable technical scheme, the top of the mounting base is provided with a lower oil cylinder mounting seat, the bottom of the fixing plate located on the lower side is provided with an upper oil cylinder mounting seat, and two ends of the lifting oil cylinder are respectively connected with the lower oil cylinder mounting seat and the upper oil cylinder mounting seat through connecting pin shafts.
According to the preferable technical scheme, the chassis connecting beam mechanism comprises two swing pin shafts vertically arranged between the fixed plates, and connecting sleeves are sleeved on the swing pin shafts and connected with the connecting beams.
According to the preferable technical scheme, the chassis vibration reduction and energy storage device comprises an energy accumulator, the energy accumulator is connected with a hydraulic control valve block, and the hydraulic control valve block is connected with a piston-free cavity of the lifting oil cylinder.
Due to the adoption of the technical scheme, the self-propelled chassis vibration damping device with the adjustable ground clearance comprises an installation base used for being connected with walking wheels, wherein a vertical sliding guide device is fixedly arranged on the installation base, a sliding seat is arranged on the vertical sliding guide device in a sliding manner, the sliding seat is connected with a chassis connecting beam mechanism in a swinging manner, a lifting oil cylinder is arranged between the sliding seat and the installation base, and the lifting oil cylinder is connected with a chassis vibration damping energy storage device. The sliding seat is driven to lift through the work of the lifting oil cylinder, the adjustment of the ground clearance height of the chassis is realized through the connected chassis connecting beam mechanism, and meanwhile, the lifting oil cylinder is connected with the chassis vibration damping energy storage device, so that the lifting oil cylinder has a vibration damping function, the structure is simple and easy to implement, the ground clearance amplitude can be freely adjusted, and the chassis vibration damping effect is better.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper half of the present invention;
FIG. 3 is a schematic view of the lower half of the present invention;
FIG. 4 is a schematic view of the adjustment of the ground clearance of the present invention;
FIG. 5 is a right turn schematic view of the utility model in the direction of travel;
fig. 6 is a left-hand schematic view of the utility model in the direction of travel.
In the figure: 1-a travelling wheel; 11-mounting a base; 111-oil cylinder lower mounting seat; 112-a fixed sleeve; 113-a stop collar; 114-a sliding shaft; 12-a lift cylinder; 13-chassis connecting beam mechanism; 131-a connecting beam; 132-a connecting sleeve; 14-chassis damping energy storage device; 141-hydraulic control valve block; 142-an accumulator; 143-hydraulic oil circuit; 15-swinging the pin shaft; 16-a slide mount; 161-fixed plate; 162-a sliding sleeve; 163-oil cylinder upper mounting seat; 17-connecting a pin shaft; 2-a walking motor.
Detailed Description
Exemplary embodiments according to the present invention are described in detail below with reference to the accompanying drawings. Here, it is to be noted that, in the drawings, the same reference numerals are given to the constituent elements having substantially the same structure and function, and redundant description about the substantially same constituent elements is omitted in order to make the description more concise.
As shown in fig. 1, a self-propelled chassis vibration damping device with adjustable ground clearance comprises an installation base 11 for connecting a walking wheel 1, wherein a common walking motor 2 is fixedly installed on the installation base 11 and used for driving the walking wheel 1 to realize walking of the self-propelled chassis, a vertical sliding guide device is fixedly arranged on the installation base 11, a sliding seat 16 is arranged on the vertical sliding guide device in a sliding manner, the sliding seat 16 is connected with a chassis connecting beam mechanism 13 in a swinging manner, a lifting oil cylinder 12 is arranged between the sliding seat 16 and the installation base 11, and the lifting oil cylinder 12 is connected with a chassis vibration damping energy storage device 14. The sliding seat 16 is driven to lift by the operation of the lifting oil cylinder 12, the adjustment of the ground clearance height of the chassis is realized by the connected chassis connecting beam mechanism 13, and meanwhile, the lifting oil cylinder 12 is connected with the chassis vibration damping energy storage device 14, so that the lifting oil cylinder 12 has a vibration damping function. The chassis connecting beam mechanism 13 includes a swing pin 15 vertically disposed between the two fixing plates 161, a connecting sleeve 132 is sleeved on the swing pin 15, and the connecting sleeve 132 is connected with a connecting beam 131; the connecting beam 131 can be a rectangular tube, so that the structure is light while the strength is ensured. One end of the connecting beam 131 may be assembled with the self-propelled chassis by a connecting and fixing mechanism such as a bolt, and the other end of the connecting beam 131 is connected with the connecting sleeve 132. The present invention is connected and fixed to the self-propelled chassis by the connecting cross beam 131, and can be installed in the left front direction, right front direction, left rear direction or right rear direction of the self-propelled chassis, and the mode of installing the present invention in the left front direction and right front direction of the self-propelled chassis, or in the left rear direction and right rear direction of the self-propelled chassis, or in the left front direction, right front direction, left rear direction and right rear direction of the self-propelled chassis is generally adopted. The chassis vibration reduction and energy storage device 14 comprises an energy accumulator 142, the energy accumulator 142 is connected with a hydraulic control valve block 141, the hydraulic control valve block 141 is connected with a piston-free cavity of the lifting oil cylinder 12, and the hydraulic control valve block 141 is connected with a hydraulic system through a hydraulic oil path 143.
As shown in fig. 1, 2 and 3, the vertical sliding guide device includes at least two sliding shafts 114 fixedly connected to the mounting base 11, a limiting sleeve 113 is fixedly disposed at a top end of the sliding shafts 114, the sliding base 16 is slidably disposed on the sliding shafts 114, the sliding shafts 114 are disposed in parallel, a fixing sleeve 112 is fixedly disposed on the mounting base 11, and a lower end of the sliding shaft 114 is inserted into the fixing sleeve 112 and fixedly connected to the fixing sleeve 112. The number of the sliding shafts 114 is three, and the three sliding shafts 114 are arranged on the mounting base 11 in a triangular shape, so that the structure is stable. The sliding seat 16 includes two fixing plates 161 disposed up and down, a sliding sleeve 162 corresponding to the sliding shaft 114 is disposed between the two fixing plates 161, the two fixing plates 161 are respectively and fixedly connected to two ends of the sliding sleeve 162, so that the two fixing plates 161 are connected and fixed together through the sliding sleeve 162 to form the sliding seat 16, the sliding shaft 114 respectively passes through the corresponding sliding sleeve 162, and the sliding seat 16 slides up and down smoothly along the sliding shaft 114. And the connecting beam 131 is connected to the upper and lower fixing plates 161 by means of the swing pin 15 passing through the connecting sleeve 132, so that the whole chassis connecting beam mechanism 13 can smoothly swing in a horizontal direction and within a certain angle range with respect to the sliding base 16 around the swing pin 15. The top of the mounting base 11 is provided with a lower oil cylinder mounting seat 111, the bottom of the fixing plate 161 which is located at the lower side is provided with an upper oil cylinder mounting seat 163, and two ends of the lifting oil cylinder 12 are respectively connected with the lower oil cylinder mounting seat 111 and the upper oil cylinder mounting seat 163 through a connecting pin shaft 17.
As shown in fig. 3, when the height of the self-propelled chassis clearance is adjusted, the air bag cavity of the accumulator 142 of the chassis vibration damping and energy storing device 14 is pre-filled with air at a pressure value; the hydraulic control valve block 141 can control the extension and retraction of the cylinder rod of the lift cylinder 12 under the action of hydraulic oil according to a control instruction, and immediately controls the lifting and the falling of the self-propelled chassis through the chassis connecting cross beam mechanism 13, the sliding seat 16, the sliding shaft 114 and the like, so that the ground clearance height of the self-propelled chassis is changed. The stroke of the rod of the lifting oil cylinder 12 and the length of the sliding shaft 114 on the mounting base 11 determine the adjustment range of the self-propelled chassis ground clearance height, and the chassis ground clearance height can be greatly adjusted. The limiting sleeve 113 assembled at the top end of the sliding shaft 114 is used for limiting the ground clearance height of the self-propelled chassis. After the adjustment of the height of the ground clearance is completed, the ground clearance adjusting device of the self-propelled chassis sends a control signal to the hydraulic control valve block 141 to achieve the following states: pressure oil from a hydraulic system cannot enter the hydraulic control valve block 141, and pressure oil in the lifting cylinder 12 cannot flow out of the hydraulic control valve block 141, and a pressure oil cavity in the lifting cylinder 12 is a piston-free cavity which forms an integrated closed pressure oil cavity with an oil cavity in the energy accumulator 142 through a hydraulic pipeline and the hydraulic control valve block 141, and forms an oil-gas spring under the action of an air bag cavity filled with gas with a pressure value in advance in the energy accumulator 142, so that the self-propelled chassis is damped; the stiffness of the hydro-pneumatic spring can be changed by changing the pressure value of the pre-charged gas in the air bag cavity of the accumulator 142.
As shown in fig. 5 and fig. 6, a steering force application mechanism may be connected to a suitable position of the sliding shaft 114 on the mounting base 11 or a suitable position of the sliding sleeve 162 as required, and a pushing force F or a pulling force F' is applied to the steering force application mechanism, so that the road wheel 1 can rotate around the swing pin 15 by a certain angle to meet the turning requirement of the self-propelled chassis; a typical steering force application mechanism may be configured such that a rod or a rod is connected to the slide shaft 114 or the slide sleeve 162, and a power element such as an oil cylinder is connected to the rod or the rod.
Compared with the existing self-propelled chassis ground clearance adjusting device and chassis vibration damping device, the self-propelled chassis ground clearance adjusting device has the characteristics of large chassis ground clearance adjusting range, relatively simple and easy vibration damping device and the like.
As described above, the embodiments of the present invention are specifically described above, but the present invention is not limited thereto. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations, or substitutions may be made in accordance with design requirements or other factors while remaining within the scope of the appended claims and their equivalents.
Claims (7)
1. The utility model provides a self-propelled chassis vibration damper of ground clearance adjustable, is including the installation base that is used for connecting the walking wheel, its characterized in that: the installation base is fixedly provided with a vertical sliding guide device, the vertical sliding guide device is provided with a sliding seat in a sliding mode, the sliding seat is connected with a chassis connecting beam mechanism in a swinging mode, a lifting oil cylinder is arranged between the sliding seat and the installation base, and the lifting oil cylinder is connected with a chassis vibration reduction energy storage device.
2. The self-propelled chassis damping device with adjustable ground clearance of claim 1, wherein: the vertical sliding guide device comprises at least two sliding shafts fixedly connected to the installation base, limiting sleeves are fixedly arranged at the top ends of the sliding shafts, and the sliding seats are arranged on the sliding shafts in a sliding mode.
3. The self-propelled chassis damping device with adjustable ground clearance of claim 2, characterized in that: the number of the sliding shafts is three, and the three sliding shafts are arranged on the mounting base in a triangular mode.
4. The self-propelled chassis damping device with adjustable ground clearance of claim 2, characterized in that: the sliding seat comprises two fixed plates which are arranged up and down, a sliding sleeve corresponding to the sliding shaft is arranged between the two fixed plates, the two fixed plates are respectively and fixedly connected with two ends of the sliding sleeve, and the sliding shaft respectively penetrates through the corresponding sliding sleeve.
5. The self-propelled chassis damping device with adjustable ground clearance of claim 4, characterized in that: the top of the mounting base is provided with a lower oil cylinder mounting seat, the bottom of the fixing plate located on the lower side is provided with an upper oil cylinder mounting seat, and two ends of the lifting oil cylinder are respectively connected with the lower oil cylinder mounting seat and the upper oil cylinder mounting seat through connecting pin shafts.
6. The self-propelled chassis damping device with adjustable ground clearance of claim 4, characterized in that: the chassis connecting beam mechanism comprises two swing pin shafts vertically arranged between the fixed plates, and connecting sleeves are sleeved on the swing pin shafts and connected with the connecting beams.
7. The self-propelled chassis vibration damping device with adjustable ground clearance of any one of claims 1 to 6, wherein: the chassis vibration reduction and energy storage device comprises an energy accumulator, the energy accumulator is connected with a hydraulic control valve block, and the hydraulic control valve block is connected with a piston-free cavity of the lifting oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122605286.4U CN216468071U (en) | 2021-10-27 | 2021-10-27 | Self-propelled chassis vibration damper with adjustable ground clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122605286.4U CN216468071U (en) | 2021-10-27 | 2021-10-27 | Self-propelled chassis vibration damper with adjustable ground clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216468071U true CN216468071U (en) | 2022-05-10 |
Family
ID=81444119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122605286.4U Active CN216468071U (en) | 2021-10-27 | 2021-10-27 | Self-propelled chassis vibration damper with adjustable ground clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216468071U (en) |
-
2021
- 2021-10-27 CN CN202122605286.4U patent/CN216468071U/en active Active
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