CN112006000A - Suspension structure and self-propelled sprayer - Google Patents
Suspension structure and self-propelled sprayer Download PDFInfo
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- CN112006000A CN112006000A CN202010898495.XA CN202010898495A CN112006000A CN 112006000 A CN112006000 A CN 112006000A CN 202010898495 A CN202010898495 A CN 202010898495A CN 112006000 A CN112006000 A CN 112006000A
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- 239000000725 suspension Substances 0.000 title claims abstract description 50
- 238000013016 damping Methods 0.000 claims description 25
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000005507 spraying Methods 0.000 abstract description 13
- 239000007921 spray Substances 0.000 abstract description 6
- 239000003814 drug Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 24
- 238000005452 bending Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920001967 Metal rubber Polymers 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0025—Mechanical sprayers
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Special Spraying Apparatus (AREA)
- Catching Or Destruction (AREA)
Abstract
The application provides a suspension structure and self-propelled sprayer relates to the agricultural equipment field. Wherein, suspension structure, it includes: the frame, the swing arm and the first elastic buffer piece; the first end of the swing arm is hinged with the bottom of the frame, the second end of the swing arm is opposite to one side edge of the bottom of the frame, and the first elastic buffer piece is arranged between the second end of the swing arm and one side edge of the bottom of the frame; wherein, the second end tip of swing arm is used for pivoted connection running gear. The suspension structure can effectively reduce vibration transmission, so that the frame moves at a relatively flat plane position, the influence of vibration on a driver is reduced, meanwhile, the spray rod on the vehicle body can also move at a relatively flat plane position, and the uniformity of spraying the medicine is ensured.
Description
Technical Field
The application relates to the field of agricultural equipment, in particular to a suspension structure and a self-propelled sprayer.
Background
The high-clearance self-propelled sprayer belongs to large-scale and high-end agricultural equipment, can be almost used for spraying operation of all crops, particularly large-area, high-efficiency and accurate plant protection operation of long-stalk crops, thereby greatly reducing the labor intensity of farmers and improving the economic benefit.
Because the high-clearance self-propelled sprayer has complex and changeable working conditions, the vibration reduction performance of the chassis suspension not only influences the riding comfort of a driver, but also influences the vibration of the spray rod, and further influences the uniformity of spraying. However, in the suspension of the high-clearance self-propelled spraying machine in the prior art, a damping spring is used for supporting and damping a vehicle body in the vertical direction, and although the damping spring can counteract vibration of a part of the high-clearance self-propelled spraying machine during walking, the vehicle body of the spraying machine cannot be kept horizontal all the time when the spraying machine runs on a road with large fluctuation, the vehicle body can incline laterally, and in serious cases, one end of a spray rod can be contacted with the ground, and even rollover danger can occur.
Therefore, the above technical problems are urgently needed to be solved.
Disclosure of Invention
The invention mainly aims to provide a suspension structure and a self-propelled sprayer, which can solve the technical problems that the suspension of the current self-propelled sprayer has poor vibration damping effect and a vehicle body cannot be ensured to be in a relatively horizontal state.
In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:
the application provides a suspension structure, includes:
a frame;
the first end of the swing arm is hinged with the bottom of the frame, the second end of the swing arm is opposite to one side edge of the bottom of the frame, and a first elastic buffer piece is arranged between the second end of the swing arm and one side edge of the bottom of the frame;
wherein, the second end tip of swing arm is used for pivoted connection running gear.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Optionally, in the suspension structure, a first end of the swing arm and a main body of the swing arm are bent at a predetermined angle, and an end of the first end of the swing arm is hinged to the bottom of the frame, so that the main body of the swing arm is parallel to the bottom of the frame and has a certain distance therebetween.
Optionally, in the suspension structure, the first elastic buffer is an air spring.
Optionally, the suspension structure further includes:
the first end of the second elastic buffer part is connected with the position of the frame away from the bottom preset distance, and the second end of the second elastic buffer part is connected with the middle part of the swing arm.
Optionally, in the suspension structure, the second elastic buffer is a damping cylinder, a tail end of a cylinder body of the damping cylinder is hinged to the frame, and an end of a cylinder rod of the damping cylinder is hinged to the swing arm;
the frame is provided with an energy accumulator, and the energy accumulator is connected with a cylinder body of the vibration reduction oil cylinder.
Optionally, the suspension structure described above, wherein the running gear includes:
the walking bracket, the walking part and the steering driving part;
the top of walking support with the second end of swing arm rotates to be connected, walking support with the walking portion rotates to be connected, the walking portion is used for rotating the walking, turn to driving piece first end with walking leg joint second end with the swing arm is connected, is used for the drive walking support is relative the swing arm rotates.
Optionally, in the suspension structure, a vertical rotating shaft is disposed at the top of the walking bracket, and a bearing seat is connected to a second end of the swing arm, and the bearing seat is rotatably connected to the rotating shaft.
Optionally, the suspension structure is provided, wherein a steering support arm is arranged at the top of the walking bracket;
the steering driving piece is a steering oil cylinder, the tail end of a cylinder body of the steering oil cylinder is hinged with the side face of the swing arm, and the end part of a cylinder rod of the steering oil cylinder is hinged with the steering supporting arm.
Optionally, in the suspension structure, the steering support arm is bent, a first end of the steering support arm is fixedly connected to the top of the walking bracket, and a second end of the steering support arm extends in a direction away from the top of the walking bracket;
and the extending height of the second end of the steering support arm is flush with the positions of the steering oil cylinder and the swing arm in a hinged mode.
On the other hand, to solve the above technical problem, the embodiments of the present application provide the following technical solutions:
the application provides a self-propelled sprayer, includes: the suspension structure is as follows:
the suspension structure includes:
a frame;
the first end of the swing arm is hinged with the bottom of the frame, the second end of the swing arm is opposite to one side edge of the bottom of the frame, and a first elastic buffer piece is arranged between the second end of the swing arm and one side edge of the bottom of the frame;
wherein, the second end tip of swing arm is used for pivoted connection running gear.
By means of the technical scheme, the suspension structure and the self-propelled sprayer at least have the following advantages:
according to the suspension structure provided by the embodiment of the invention, the swing arm is additionally arranged, the first end of the swing arm is hinged with the bottom of the frame, the first elastic buffer piece is arranged between the second end of the swing arm and the frame, and finally the swing arm is connected with the walking device. When running gear walking in-process meets protruding or sunken like this, the first end of swing arm can rotate relative to the frame, make the second end carry out reciprocating motion along with protruding or sunken, and the first springiness cushioning spare that sets up between frame and swing arm second end then can produce the elastic buffer power along with the swing of swing arm second end, reduce the vibration and transmit to the frame, and first springiness cushioning spare supports the frame together with the first end of swing arm, make the frame be in a relatively mild planar position and remove, reduce the influence of vibration to the driver, make the spray lance on the automobile body also can be in a relatively mild planar position and remove simultaneously, the homogeneity of spraying the medicine has been guaranteed.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 schematically illustrates a structural schematic of a suspension arrangement from a first perspective;
FIG. 2 schematically illustrates a structural schematic of a suspension arrangement from a second perspective;
FIG. 3 schematically illustrates a first perspective structural view of a swing arm of a suspension arrangement;
FIG. 4 schematically illustrates a second perspective structural view of a swing arm of a suspension arrangement;
FIG. 5 schematically illustrates a first perspective structural view of a walking carriage of a suspension arrangement;
fig. 6 schematically shows a second perspective view of the walking frame of the suspension structure.
The reference numbers in the figures are:
the device comprises a frame 1, a swing arm 2, a bearing seat 21, a first elastic buffer 3, a traveling device 4, a traveling bracket 41, a rotating shaft 411, a steering supporting arm 412, a traveling part 42, a steering driving piece 43, a second elastic buffer 5, a damping oil cylinder 51, an energy accumulator 52 and a hydraulic motor 6.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
Example one
As shown in fig. 1 to 4, a suspension structure according to an embodiment of the present invention includes: the frame comprises a frame 1, a swing arm 2 and a first elastic buffer piece 3; the first end of the swing arm 2 is hinged with the bottom of the frame 1, the second end of the swing arm 2 is opposite to one side edge of the bottom of the frame 1, and the first elastic buffer 3 is arranged between the second end of the swing arm 2 and one side edge of the bottom of the frame 1; wherein, the second end of the swing arm 2 is used for the rotational connection running gear 4.
Specifically, the frame 1 is a support frame body of the self-propelled sprayer, and is a support body for supporting a medicine tank, an engine and a spraying device, and the specific structure of the frame can refer to the existing self-propelled sprayer. The bottom of the frame 1 is a part corresponding to the running gear 4 and corresponding to the ground in use, the frame 1 is provided with a side end, and one side edge of the bottom of the frame 1, namely the side end of the frame 1 is positioned at the bottom.
The swing arm 2 is a long-strip-shaped structure, the cross section of the swing arm 2 can be rectangular, circular or other geometric shapes, the swing arm 2 can be formed by processing metal sections, metal bars or metal plates, and the length and the cross section of the swing arm 2 can be set according to the size, the load and the vibration stress of the frame 1 of the self-propelled spraying machine. The first end of swing arm 2 can set up and be used for articulated through-hole, perhaps can set up semi-circular lug and set up the through-hole on the lug, and then articulated through the mode of hub connection with the bottom of frame 1, and 2 first ends of swing arm and frame 1 bottom articulated position need be apart from frame 1 one side border certain distance, this distance can be close the length of swing arm 2, so that the second end of swing arm 2 can correspond with one side border of frame 1 bottom, and can set up a brace table in 2 second ends of swing arm and the corresponding position in frame 1 bottom one side border, and then be connected with first elastic buffer 3.
The first elastic buffer 3 may be a commonly used coil spring, an air spring, or a composite spring of metal rubber, and preferably uses the air spring, wherein performance indexes of the air spring may be selected according to the overall weight of the self-propelled sprayer and a buffering force required to be generated in a vibration process, and a skilled person knows how to select a proper performance index, which is not described in detail in the embodiment of the present invention. The first elastic buffer member 3 is connected to the frame 1 and the swing arm 2 at both ends thereof by welding or bolting, but in consideration of maintenance economy, it is preferable that the first elastic buffer member 3 is connected to the frame 1 and the swing arm 2 at both ends thereof by bolting.
According to the suspension structure provided by the embodiment of the invention, the swing arm 2 is additionally arranged, the first end of the swing arm 2 is hinged with the bottom of the frame 1, the first elastic buffer part 3 is arranged between the second end of the swing arm 2 and the frame 1, and finally the swing arm 2 is connected with the walking device 4. When running gear 4 walking in-process meets protruding or sunken like this, the first end of swing arm 2 can rotate relative to frame 1, make the second end carry out reciprocating motion along with protruding or sunken, and first springiness cushioning spare 3 that sets up between frame 1 and 2 second ends of swing arm then can produce the springiness cushioning power along with the swing of 2 second ends of swing arm, reduce the vibration and transmit to frame 1 on, and first springiness cushioning spare 3 supports frame 1 with the first end of swing arm 2 together, make frame 1 be in a relatively mild planar position and remove, reduce the influence of vibration to the driver, make the spray lance on the automobile body also can be in a relatively mild planar position and remove simultaneously, the homogeneity of spraying the medicine has been guaranteed.
In the specific implementation, as shown in fig. 3-4, a first end of the swing arm 2 is bent at a predetermined angle with a main body of the swing arm 2, and an end of the first end of the swing arm 2 is hinged to a bottom of the frame 1, so that the main body of the swing arm 2 is parallel to and spaced from the bottom of the frame 1.
Specifically, the bending of the first end of the swing arm 2 may be formed by bending the swing arm 2 through a die during the forming process, or integrally formed by casting. The bending structure and size of the first end of the swing arm 2 can be set according to the required spacing distance between the main body of the swing arm 2 and the bottom of the frame 1, that is, according to the height of the set first elastic buffer 3, for example, the bending angle between the bending part of the first end and the main body of the swing arm 2 can be 45-90 degrees (any integer angle from 45 to 90 degrees can be selected). The first elastic buffer 3 can be arranged between the second end of the swing arm 2 and the bottom of the frame 1, and the swing arm 2 and the bottom of the frame 1 are both in a horizontal state.
As shown in fig. 1-2, in a specific implementation, the suspension structure provided in the embodiment of the present invention further includes: a second elastic buffer part 5, the first end of the second elastic buffer part 5 is connected with the position of the frame 1 away from the bottom preset distance, and the second end of the second elastic buffer part 5 is connected with the middle part of the swing arm 2.
Specifically, by arranging the second elastic buffer 5 between the frame 1 and the swing arm 2, when the second end of the swing arm 2 swings back and forth when encountering a rough road, the second elastic buffer 5 can assist the first elastic buffer 3 to absorb the energy of vibration, thereby further reducing the transmission of vibration to the frame 1. Moreover, the second elastic buffer part 5 and the swing arm 2 play a ground copying role, and the second elastic buffer part 5 is stretched and compressed according to the undulation condition of the road surface, so that the frame 1 is always in a relatively horizontal state.
Further, the second elastic buffer 5 is a damping oil cylinder 51, the tail end of the damping oil cylinder 51 is hinged to the frame 1, and the end of the rod of the damping oil cylinder 51 is hinged to the swing arm 2; wherein, an energy accumulator is arranged on the frame 1, and the energy accumulator is connected with the cylinder body of the damping oil cylinder 51.
Specifically, the second elastic buffer 5 may be a damping cylinder 51, a damping cylinder, or a spring, but the damping cylinder 51 is preferable in view of the fact that the self-propelled sprayer itself is provided with a hydraulic system. When the second elastic buffer 5 is a spring-like buffer, two ends of the second elastic buffer 5 can be fixedly connected with the swing arm 2 and the frame 1; when the second elastic buffer 5 is the damping cylinder 51, the swing arm 2 needs to swing back and forth during vibration, so the damping cylinder 51 needs to be hinged with the swing arm 2 and the frame 1 to ensure that the damping cylinder 51 does not interfere with the swing of the swing arm 2 during operation. And, through the cooperation of the energy accumulator and the damping oil cylinder 51, when the cylinder rod of the damping oil cylinder 51 contracts for damping, the hydraulic oil in the cylinder body of the damping oil cylinder 51 can be stored in the energy accumulator, otherwise, the hydraulic oil in the energy accumulator is supplemented to the cylinder body, and the energy buffering is realized.
As shown in fig. 1, fig. 2, fig. 5 and fig. 6, in a specific implementation, the walking device 4 includes: a traveling bracket 41, a traveling unit 42, and a steering drive 43; the top of walking support 41 with the second end of swing arm 2 rotates to be connected, walking support 41 with walking portion 42 rotates to be connected, walking portion 42 is used for rotating the walking, turn to driving piece 43 first end with walking support 41 connects the second end with swing arm 2 connects, is used for the drive walking support 41 is relative swing arm 2 rotates.
Specifically, the traveling part 42 may include wheels and a hydraulic motor 6 for driving the wheels, and the specific structure is known to those skilled in the art, and the detailed description of the embodiment of the present invention is omitted. The structure of the walking bracket 41 can be set according to the requirement of the walking part 42, as shown in fig. 5 and 6, the walking bracket 41 can be a support body with a supporting platform on the top, a rotating shaft 411 is vertically arranged in the middle of the supporting platform, the rotating shaft 411 is rotatably connected with the end part of the second end of the swing arm 2 through the vertical rotating shaft 411, the top end of the walking bracket 41 extends downwards to be convenient for connecting wheels and the hydraulic motor 6, as shown in fig. 5 and 6, the hydraulic motor 6 is installed at the lower end of the support body, the wheels are installed through the hydraulic motor 6, and the support body can be a support body with a curved arc shape in the middle for. The steering drive 43 is arranged between the swing arm 2 and the walking carriage 41. As described above, the traveling bracket 41 can rotate the traveling unit 42 with respect to the swing arm 2 by the steering driving unit 43, that is, the self-propelled sprayer can perform a turning operation.
The steering drive 43 may be a hydraulic cylinder, an air cylinder, or an electric motor.
As shown in fig. 1 to 6, in a specific implementation, a bearing seat 21 is connected to a second end of the swing arm 2, and the bearing seat 21 is rotatably connected to the rotating shaft 411; a steering support arm 412 is arranged at the top of the walking bracket 41; the steering driving piece 43 is a steering oil cylinder, the tail end of the cylinder body of the steering oil cylinder is hinged with the side surface of the swing arm 2, and the end part of the cylinder rod of the steering oil cylinder is hinged with the steering supporting arm 412.
Specifically, bearing frame 21 can be the second end tip welding of lateral wall and swing arm 2, perhaps chooses for use the bearing frame 21 that can use the bolt fastening to make bearing frame 21 and the end bolted connection of swing arm 2 second end, then rotate with pivot 411 through bearing frame 21 and be connected, and then guaranteed that the rotation between swing arm 2 and the walking support 41 is smooth and easy. The oil cylinder is selected as the steering driving member 43, and the oil cylinder is convenient to control, and the self-propelled spraying machine is provided with a hydraulic system, so that the oil cylinder is selected as the steering driving member 43, the cost increase can be avoided, and meanwhile, the integrated control is convenient.
The steering oil cylinder is arranged on the side face of the swing arm 2, the tail end of the cylinder body is hinged to the side face of the swing arm 2, the end of the cylinder rod is hinged to the steering support arm 412, a certain distance is reserved between the steering support arm 412 and the rotating shaft 411, the swing arm 2, the steering oil cylinder and the top of the walking support 41 form an approximate triangular shape at the moment, and then the rotation control of the walking support 41 can be achieved through extension or contraction of the cylinder rod of the steering oil cylinder. The specific control of the steering cylinders is known to the skilled person.
As shown in fig. 5-6, further, the steering support arm 412 is bent, a first end of the steering support arm is fixedly connected to the top of the walking frame 41, and a second end of the steering support arm extends away from the top of the walking frame 41; wherein, the second end of the steering support arm 412 extends to a height level with the hinged position of the steering cylinder and the swing arm 2.
Specifically, the bending shape of the steering support arm 412 may be a continuous rod with two bent ends, and the directions of the two bent portions may be the same or different, so that one end of the steering support arm 412 is fixedly connected with the top of the walking bracket 41 (may be welded), and the other end extends in a direction away from the top of the walking bracket 41. The extending height of the second end of the steering support arm 412 is flush with the hinged position of the steering oil cylinder and the swing arm 2, so that the steering oil cylinder is in a horizontal state after being hinged with the steering support arm 412 and the swing arm 2, and the driving force can be completely acted on the steering support arm 412 along the horizontal direction, so that the steering support arm is in a better working state.
Example two
The second embodiment of the present invention provides a self-propelled sprayer, which includes: the suspension structure shown in fig. 1-2; the suspension structure includes: the frame comprises a frame 1, a swing arm 2 and a first elastic buffer piece 3; the first end of the swing arm 2 is hinged with the bottom of the frame 1, the second end of the swing arm 2 is opposite to one side edge of the bottom of the frame 1, and the first elastic buffer 3 is arranged between the second end of the swing arm 2 and one side edge of the bottom of the frame 1; wherein, the second end of the swing arm 2 is used for the rotational connection running gear 4.
Specifically, the suspension structure provided in the first embodiment can be directly used in the suspension structure described in the second embodiment, and the specific implementation structure can refer to the related contents described in the first embodiment, and is not described herein again. In addition, the self-propelled sprayer provided by the embodiment of the invention is a high-clearance self-propelled sprayer, namely, the high clearance is realized by the vehicle frame 1 and the suspension structure, the number of the suspension structures used by the self-propelled sprayer can be determined according to the number of the traveling devices 4 required by the self-propelled sprayer, namely, the number of the wheels, and each wheel can correspond to one suspension structure.
The self-propelled sprayer provided by the embodiment of the invention is characterized in that a swing arm 2 is additionally arranged on a suspension structure, a first end of the swing arm 2 is hinged with the bottom of a frame 1, a first elastic buffer piece 3 is arranged between a second end of the swing arm 2 and the frame 1, and finally the swing arm 2 is connected with a walking device 4. When running gear 4 walking in-process meets protruding or sunken like this, the first end of swing arm 2 can rotate relative to frame 1, make the second end carry out reciprocating motion along with protruding or sunken, and first springiness cushioning spare 3 that sets up between frame 1 and 2 second ends of swing arm then can produce the springiness cushioning power along with the swing of 2 second ends of swing arm, reduce the vibration and transmit to frame 1 on, and first springiness cushioning spare 3 supports frame 1 with the first end of swing arm 2 together, make frame 1 be in a relatively mild planar position and remove, reduce the influence of vibration to the driver, make the spray lance on the automobile body also can be in a relatively mild planar position and remove simultaneously, the homogeneity of spraying the medicine has been guaranteed.
It will be appreciated that the relevant features of the devices described above may be referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A suspension structure characterized by comprising:
a frame;
the first end of the swing arm is hinged with the bottom of the frame, the second end of the swing arm is opposite to one side edge of the bottom of the frame, and a first elastic buffer piece is arranged between the second end of the swing arm and one side edge of the bottom of the frame;
wherein, the second end tip of swing arm is used for pivoted connection running gear.
2. The suspension structure according to claim 1,
the first end of the swing arm and the main body of the swing arm are bent at a preset angle, and the end part of the first end of the swing arm is hinged to the bottom of the frame, so that the main body of the swing arm is parallel to the bottom of the frame and has a certain spacing distance.
3. The suspension structure according to claim 1,
the first elastic buffer is an air spring.
4. The suspension structure according to claim 1, further comprising:
the first end of the second elastic buffer part is connected with the position of the frame away from the bottom preset distance, and the second end of the second elastic buffer part is connected with the middle part of the swing arm.
5. The suspension structure according to claim 4,
the second elastic buffer part is a damping oil cylinder, the tail end of the cylinder body of the damping oil cylinder is hinged with the frame, and the end part of a cylinder rod of the damping oil cylinder is hinged with the swing arm;
the frame is provided with an energy accumulator, and the energy accumulator is connected with a cylinder body of the vibration reduction oil cylinder.
6. The suspension structure according to claim 1, wherein the running gear includes:
the walking bracket, the walking part and the steering driving part;
the top of walking support with the second end of swing arm rotates to be connected, walking support with the walking portion rotates to be connected, the walking portion is used for rotating the walking, turn to driving piece first end with walking leg joint second end with the swing arm is connected, is used for the drive walking support is relative the swing arm rotates.
7. The suspension structure according to claim 6,
the top of walking support is provided with vertical pivot, the second end connection of swing arm has the bearing frame, the bearing frame with the pivot is rotated and is connected.
8. The suspension structure according to claim 6,
a steering supporting arm is arranged at the top of the walking bracket;
the steering driving piece is a steering oil cylinder, the tail end of a cylinder body of the steering oil cylinder is hinged with the side face of the swing arm, and the end part of a cylinder rod of the steering oil cylinder is hinged with the steering supporting arm.
9. The suspension structure according to claim 8,
the steering support arm is bent, the first end of the steering support arm is fixedly connected with the top of the walking bracket, and the second end of the steering support arm extends in the direction far away from the top of the walking bracket;
and the extending height of the second end of the steering support arm is flush with the positions of the steering oil cylinder and the swing arm in a hinged mode.
10. A self-propelled sprayer is characterized in that,
comprising a suspension arrangement according to any of claims 1-9.
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| CN202010898495.XA CN112006000A (en) | 2020-08-31 | 2020-08-31 | Suspension structure and self-propelled sprayer |
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| CN202010898495.XA CN112006000A (en) | 2020-08-31 | 2020-08-31 | Suspension structure and self-propelled sprayer |
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| CN210047283U (en) * | 2019-03-12 | 2020-02-11 | 深圳市安泽智能机器人有限公司 | Shock-absorbing suspension |
| CN210382356U (en) * | 2019-05-17 | 2020-04-24 | 西北农林科技大学 | Longitudinal swinging type high-ground-clearance sprayer chassis |
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2020
- 2020-08-31 CN CN202010898495.XA patent/CN112006000A/en active Pending
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| CN2492411Y (en) * | 2001-06-22 | 2002-05-22 | 柳州五菱汽车有限责任公司 | Screw linkage oscillating-arm rear suspension |
| JP2013248929A (en) * | 2012-05-30 | 2013-12-12 | Yanmar Co Ltd | Suspension device of working vehicle |
| CN108058555A (en) * | 2017-11-03 | 2018-05-22 | 北汽福田汽车股份有限公司 | suspension and vehicle |
| CN109664702A (en) * | 2019-02-14 | 2019-04-23 | 浙江亚太机电股份有限公司 | The distributed driving chassis platform of automobile suspension system and four-wheel independent steering |
| CN210047283U (en) * | 2019-03-12 | 2020-02-11 | 深圳市安泽智能机器人有限公司 | Shock-absorbing suspension |
| CN210382356U (en) * | 2019-05-17 | 2020-04-24 | 西北农林科技大学 | Longitudinal swinging type high-ground-clearance sprayer chassis |
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