CN110121957B - Agricultural machinery chassis that stability is high and be convenient for installation - Google Patents
Agricultural machinery chassis that stability is high and be convenient for installation Download PDFInfo
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- CN110121957B CN110121957B CN201910572879.XA CN201910572879A CN110121957B CN 110121957 B CN110121957 B CN 110121957B CN 201910572879 A CN201910572879 A CN 201910572879A CN 110121957 B CN110121957 B CN 110121957B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B51/00—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus
- A01B51/02—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus propelled by a motor
- A01B51/026—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus propelled by a motor of the automotive vehicle type, e.g. including driver accommodation
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
- Agricultural Machines (AREA)
Abstract
The invention discloses an agricultural machine chassis which is high in stability and convenient to install, and the agricultural machine chassis comprises a first beam frame, a second beam frame, a crawler and a servo motor, wherein the second beam frame is installed on the first beam frame, the crawler is arranged on the outer sides of the first beam frame and the second beam frame, a connecting ring is connected with the first beam frame and the second beam frame through a platform, a first buffer spring and a second buffer spring are respectively arranged on the inner side and the outer side of a second buffer rod, the second buffer rod is connected with the first buffer rod through the first buffer spring, and the first support rod is connected with a second support rod through the second buffer spring. This agricultural machinery chassis that stability is high and be convenient for installation cooperates through gag lever post and spacing groove and carries on spacingly to being connected the chassis, uses the inserted bar to put in fixedly to the gag lever post simultaneously, and installation stability is high, and convenient follow-up dismantlement maintenance is convenient, can avoid the dead problem of dismantling of the bolt and nut corrosion card that traditional bolt flange joint appears easily simultaneously.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to an agricultural machinery chassis which is high in stability and convenient to install.
Background
Agricultural machine is the general name of a series of mechanical equipment such as automatic planting of agricultural, reap and processing, and in automatic planting machinery, most machinery need be equipped with the chassis, and the main steady driving of going on in the planting soil of being convenient for makes things convenient for machinery normal work and shifts, but current agricultural machinery chassis has following problem:
1. the existing agricultural machine chassis is not high in installation stability, is usually connected by bolts and nuts and a flange, is complex in connection and is inconvenient for disassembling and maintaining the chassis, so that the service life of the agricultural machine chassis is indirectly shortened;
2. traditional agricultural machinery chassis makes the agricultural machinery produce great vibrations easily when going on uneven ground, and the stability of traveling is not high, influences navigating mate and carries out normal operating to the agricultural machinery, leads to the stability of agricultural machinery work relatively poor simultaneously.
Disclosure of Invention
The invention aims to provide an agricultural machine chassis which is high in stability and convenient to install, and aims to solve the problems that the existing agricultural machine chassis provided in the background art is low in installation stability, is usually connected by bolts and nuts and a flange, is complex in connection and is inconvenient for disassembly and maintenance of the chassis, so that the service life of the agricultural machine chassis is indirectly shortened, and the traditional agricultural machine chassis enables an agricultural machine to easily generate large vibration when running on uneven soil, is low in running stability, influences drivers to normally operate the agricultural machine, and simultaneously causes poor working stability of the agricultural machine.
In order to achieve the purpose, the invention provides the following technical scheme: an agricultural machine chassis with high stability and convenient installation comprises a first beam frame, a second beam frame, a crawler and a servo motor, wherein the second beam frame is installed on the first beam frame, the crawler is arranged on the outer sides of the first beam frame and the second beam frame, the servo motor is installed on the outer side of the first beam frame, a bevel gear is installed on the servo motor, the servo motor is connected with a driving shaft through the bevel gear, a platform is installed on the first beam frame and the second beam frame, a connecting ring is installed above the platform and is connected with the first beam frame and the second beam frame through the platform, a mounting groove is reserved in the connecting ring, a limiting rod is arranged on the inner side of the mounting groove, a supporting rod is installed on the limiting rod, the supporting rod is located on the inner side of the mounting groove and is connected with the mounting groove through the supporting rod, a reset spring is arranged on the outer side of the limiting rod, the reset spring is also positioned on the inner side of the mounting groove, a through hole is formed in the limiting rod, a connecting chassis is arranged on the inner side of the connecting ring, a limiting groove is formed in the connecting chassis, the limiting rod is connected with the connecting chassis through the limiting groove, an agricultural machine main body is connected to the upper portion of the connecting chassis, a transverse plate is arranged on the outer side of the agricultural machine main body, a transverse rod is mounted on the transverse plate, an inserting rod is arranged on the transverse plate, a groove hole is reserved in the inserting rod, the transverse rod penetrates through the groove hole to be connected with the inserting rod, the lower end of the inserting rod is connected with the limiting rod through the through hole, a connecting spring is arranged on the inner side of the groove hole, the lower end and the upper end of the connecting spring are respectively connected with the inserting rod and the transverse rod, a first supporting rod is mounted below the first beam frame, a first buffering rod is connected to the first supporting rod, and a second buffering rod is arranged below the first buffering rod, and the below of second buffer pole is connected with the second bracing piece, the inboard and the outside of second buffer pole are provided with first buffer spring and second buffer spring respectively, and the second buffer pole passes through first buffer spring and first buffer pole interconnect to first bracing piece passes through second buffer spring and second bracing piece interconnect.
Preferably, the first beam frame and the second beam frame are connected in a welding mode, and the platform and the first beam frame and the second beam frame are of an integrated structure respectively.
Preferably, the limiting rods are distributed on the connecting ring at equal angles, and the upper surface of one end of the limiting rod facing the center of the connecting ring is of an inclined structure.
Preferably, the supporting rod and the mounting groove form a sliding structure, and the limiting rod and the mounting groove form a telescopic structure through the supporting rod and the return spring.
Preferably, the lower end edge of the connecting chassis is of an inclined structure, limit grooves are distributed on the connecting chassis at equal angles, and the limit rod is connected with the connecting chassis in a clamping manner through the limit grooves.
Preferably, the cross rod is fixedly connected with the transverse plate, and a sliding structure is formed between the cross rod and the slotted hole.
Preferably, be through connection between inserted bar and the diaphragm, and the lower extreme of inserted bar is through connection between perforation and the gag lever post.
Preferably, the first support rod is fixedly connected with the first beam frame, and the first support rod and the second support rod form a telescopic structure through a second buffer spring.
Preferably, the second buffer rod is of a hollow structure, and the second buffer rod and the first buffer rod form a telescopic structure through a first buffer spring.
Compared with the prior art, the invention has the beneficial effects that: this stability is high and the agricultural machinery chassis of being convenient for installation:
1. the connecting chassis is limited by matching the limiting rod with the limiting groove, and the limiting rod is inserted and fixed by using the inserting rod, so that the mounting stability is high, subsequent dismounting and maintenance are facilitated, and the problem that the traditional bolt and nut flange connection is easy to rust, clamp and cannot be dismounted due to corrosion can be avoided;
2. can slow down the vibrations that the agricultural machinery went on the production on uneven soil through the flexible buffering shock-absorbing structure that first bracing piece, first buffer beam, second bracing piece, first buffer spring and second buffer spring constitute, make things convenient for navigating mate to drive steadily the agricultural machinery, be favorable to the agricultural machinery to carry out the steady job.
Drawings
FIG. 1 is a schematic top view of an attachment ring according to the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a side view of the insert rod of the present invention;
FIG. 5 is a schematic view of a connection structure of a first buffer rod and a second buffer rod according to the present invention;
FIG. 6 is a schematic view of a top-down structure of the connecting chassis of the present invention.
In the figure: 1. a first beam frame; 2. a second beam frame; 3. a crawler belt; 4. a servo motor; 5. a bevel gear; 6. a drive shaft; 7. a platform; 8. a connecting ring; 9. mounting grooves; 10. a limiting rod; 11. a strut; 12. a return spring; 13. perforating; 14. connecting a chassis; 15. a limiting groove; 16. an agricultural machine main body; 17. a transverse plate; 18. a cross bar; 19. inserting a rod; 20. a slot; 21. a connecting spring; 22. a first support bar; 23. a first buffer rod; 24. a second buffer rod; 25. a second support bar; 26. a first buffer spring; 27. a second buffer spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an agricultural machine chassis with high stability and convenient installation comprises a first beam frame 1, a second beam frame 2, a crawler 3 and a servo motor 4, wherein the second beam frame 2 is installed on the first beam frame 1, the crawler 3 is arranged on the outer sides of the first beam frame 1 and the second beam frame 2, the servo motor 4 is installed on the outer side of the first beam frame 1, a bevel gear 5 is installed on the servo motor 4, the servo motor 4 is connected with a driving shaft 6 through the bevel gear 5, a platform 7 is installed on the first beam frame 1 and the second beam frame 2, a connecting ring 8 is installed above the platform 7, the connecting ring 8 is connected with the first beam frame 1 and the second beam frame 2 through the platform 7, an installation groove 9 is reserved inside the connecting ring 8, a limiting rod 10 is arranged on the inner side of the installation groove 9, a supporting rod 11 is installed on the limiting rod 10, the supporting rod 11 is located on the inner side of the installation groove 9, and the limiting rod 10 is connected with the installation groove 9 through the supporting rod 11, the outer side of the limit rod 10 is provided with a return spring 12, the return spring 12 is also positioned at the inner side of the mounting groove 9, the limit rod 10 is provided with a through hole 13, the inner side of the connecting ring 8 is provided with a connecting chassis 14, the connecting chassis 14 is provided with a limit groove 15, the limit rod 10 is mutually connected with the connecting chassis 14 through the limit groove 15, the upper side of the connecting chassis 14 is connected with an agricultural machine main body 16, the outer side of the agricultural machine main body 16 is provided with a transverse plate 17, the transverse plate 17 is provided with a transverse rod 18, the transverse plate 17 is provided with an inserted rod 19, the inserted rod 19 is reserved with a slotted hole 20, the transverse rod 18 passes through the slotted hole 20 to be mutually connected with the inserted rod 19, the lower end of the inserted rod 19 is mutually connected with the limit rod 10 through the through hole 13, the inner side of the slotted hole 20 is provided with a connecting spring 21, the lower end and the upper end of the connecting spring 21 are respectively mutually connected with the inserted rod 19 and the transverse rod 18, the first supporting rod 22 is arranged below the first beam frame 1, and be connected with first buffer beam 23 on the first bracing piece 22, the below of first buffer beam 23 is provided with second buffer beam 24, and the below of second buffer beam 24 is connected with second bracing piece 25, the inboard and the outside of second buffer beam 24 are provided with first buffer spring 26 and second buffer spring 27 respectively, and second buffer beam 24 passes through first buffer spring 26 and first buffer beam 23 interconnect to first bracing piece 22 passes through second buffer spring 27 and second bracing piece 25 interconnect.
In the embodiment, the first beam frame 1 and the second beam frame 2 are connected in a welding mode, and the platform 7 is integrated with the first beam frame 1 and the second beam frame 2 respectively, so that the structural strength of a frame formed by the first beam frame 1 and the second beam frame 2 is improved, and the mounting stability of the platform 7 is improved;
the limiting rods 10 are distributed on the connecting ring 8 at equal angles, and the upper surface of one end, facing the center of the connecting ring 8, of each limiting rod 10 is of an inclined structure, so that the connecting chassis 14 can be conveniently and stably locked by the limiting rods 10, and the connecting chassis 14 is prevented from being disconnected from the connecting ring 8;
the supporting rod 11 and the mounting groove 9 form a sliding structure, and the limiting rod 10 and the mounting groove 9 form a telescopic structure through the supporting rod 11 and the return spring 12, so that the supporting rod 11 and the return spring 12 of the limiting rod 10 can conveniently perform telescopic motion, and the limiting rod 10 and the limiting groove 15 can be kept connected or disconnected;
the lower end edge of the connecting chassis 14 is of an inclined structure, limiting grooves 15 are distributed on the connecting chassis 14 at equal angles, the limiting rod 10 is connected with the connecting chassis 14 in a clamping mode through the limiting grooves 15, the connecting chassis 14 can be conveniently inserted into the connecting ring 8 in a downward sliding mode, meanwhile, the limiting rod 10 is extruded through the inclined edge until the limiting rod 10 is aligned with the limiting grooves 15, and the connecting chassis 14 can be conveniently pushed and clamped by the limiting rod 10;
the cross bar 18 is fixedly connected with the transverse plate 17, and a sliding structure is formed between the cross bar 18 and the slotted hole 20, so that the insertion bar 19 can slide up and down on the outer side of the cross bar 18 through the slotted hole 20;
the inserted bar 19 is in through connection with the transverse plate 17, and the lower end of the inserted bar 19 is in through connection with the limiting rod 10 through the through hole 13, so that the inserted bar 19 can be conveniently inserted into the through hole 13 on the limiting rod 10 after sliding downwards through the slotted hole 20 and the transverse rod 18, and the position of the limiting rod 10 can be conveniently limited;
the first support rod 22 is fixedly connected with the first beam frame 1, and the first support rod 22 and the second support rod 25 form a telescopic structure through the second buffer spring 27, so that the first support rod 22 and the second support rod 25 can conveniently perform telescopic motion through the second buffer spring 27, and buffering and shock absorption are facilitated;
The working principle is as follows: as shown in fig. 1, 2 and 3, when the agricultural chassis needs to be installed, the connecting chassis 14 below the agricultural main body 16 is firstly inserted into the connecting ring 8 above the platform 7, while the connection base plate 14 is inserted into the connection ring 8, the inclined surface of the lower end of the connection base plate 14 presses the inclined surface of the stopper rod 10 inside the connection ring 8, the limiting rod 10 drives the return spring 12 to slide from the inner side of the mounting groove 9 to the outer side of the connecting ring 8 through the support rod 11 under the extrusion of the connecting chassis 14 until the connecting chassis 14 is completely inserted into the connecting ring 8, at this time, the limiting groove 15 on the connecting chassis 14 is aligned with the limiting rod 10, the return spring 12 reversely pushes the limiting rod 10 to slide towards the inner side of the connecting ring 8 through the support rod 11 and the mounting groove 9 until the limiting rod 10 is clamped and connected with the limiting groove 15 on the connecting chassis 14;
according to fig. 1, 2, 3 and 4, while the limit rod 10 is engaged with the limit groove 15 on the connecting chassis 14, the lower end of the inserted rod 19 on the transverse plate 17 outside the agricultural machine main body 16 is aligned with the through hole 13 on the limit rod 10, so that the connecting spring 21 inside the inserted rod 19 pushes the inserted rod 19 downwards to move, the inserted rod 19 slides downwards outside the transverse rod 18 through the slotted hole 20 until the lower end of the inserted rod 19 is inserted into the through hole 13 on the limit rod 10, so that the limit rod 10 is fixed by the inserted rod 19, the limit rod 10 cannot slide in the mounting groove 9 through the support rod 11, the limit rod 10 is always connected with the limit groove 15 on the connecting chassis 14, and the agricultural machine chassis is mounted;
according to the drawings of fig. 1, 2, 3 and 4, when the agricultural chassis needs to be disassembled, the inserting rod 19 is lifted up manually, the inserting rod 19 slides upwards on the outer side of the cross rod 18 through the slotted hole 20 until the lower end of the inserting rod 19 is disconnected from the through hole 13 on the limiting rod 10, the limiting rod 10 is not locked by the inserting rod 19, the limiting rod 10 can be pulled towards the outer side of the connecting ring 8 manually, the limiting rod 10 slides towards the outer side of the connecting ring 8 through the support rod 11 and the mounting groove 9 until the limiting rod 10 is disconnected from the limiting groove 15 on the connecting chassis 14, and the agricultural chassis can be taken down from the connecting chassis 14 below the agricultural main body 16 through the connecting ring 8, so that maintenance is facilitated;
as shown in fig. 1 to 6, when the agricultural machine chassis travels, the servo motor 4 drives the driving shaft 6 to rotate through the bevel gear 5, the driving shaft 6 drives the caterpillar band 3 and the inner side related structure thereof to move, when the agricultural machine chassis travels to generate vibration, the first supporting rod 22 below the first beam frame 1 extends and retracts through the second buffer spring 27 and the second supporting rod 25, and at the same time, the first buffer rod 23 on the first supporting rod 22 extends and retracts inside the second buffer rod 24 through the first buffer spring 26, so as to buffer the generated vibration conveniently, improve the working stability of the agricultural machine, and facilitate the stable operation of the agricultural machine by a driver, so that the agricultural machine chassis with high stability and convenient installation is convenient to use.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures to facilitate a simplified description of the present invention, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a stability is high and be convenient for agricultural machinery chassis of installation, includes first roof beam structure (1), second roof beam structure (2), track (3) and servo motor (4), its characterized in that: the track is characterized in that a second beam frame (2) is installed on the first beam frame (1), a crawler belt (3) is arranged on the outer sides of the first beam frame (1) and the second beam frame (2), a servo motor (4) is installed on the outer side of the first beam frame (1), a bevel gear (5) is installed on the servo motor (4), the servo motor (4) is connected with a driving shaft (6) through the bevel gear (5), a platform (7) is installed on the first beam frame (1) and the second beam frame (2), a connecting ring (8) is installed above the platform (7), the connecting ring (8) is connected with the first beam frame (1) and the second beam frame (2) through the platform (7), a mounting groove (9) is reserved inside the connecting ring (8), a limiting rod (10) is arranged on the inner side of the mounting groove (9), and a support rod (11) is installed on the limiting rod (10), the agricultural machinery connecting structure is characterized in that the supporting rod (11) is located on the inner side of the mounting groove (9), the limiting rod (10) is connected with the mounting groove (9) through the supporting rod (11), a return spring (12) is arranged on the outer side of the limiting rod (10), the return spring (12) is also located on the inner side of the mounting groove (9), a through hole (13) is formed in the limiting rod (10), a connecting chassis (14) is arranged on the inner side of the connecting ring (8), a limiting groove (15) is formed in the connecting chassis (14), the limiting rod (10) is connected with the connecting chassis (14) through the limiting groove (15), an agricultural machinery main body (16) is connected above the connecting chassis (14), a transverse plate (17) is arranged on the outer side of the agricultural machinery main body (16), a transverse rod (18) is arranged on the transverse plate (17), an inserting rod (19) is arranged on the transverse plate (17), and a groove hole (20) is reserved in the inserting rod (19), and the cross bar (18) passes through the slotted hole (20) and is connected with the inserted bar (19) with each other, and the lower end of the inserted bar (19) is connected with the limit rod (10) with each other through the perforation (13), the inner side of the slotted hole (20) is provided with the connecting spring (21), and the lower end and the upper end of the connecting spring (21) are respectively connected with the inserted bar (19) and the cross bar (18) with each other, the first support bar (22) is installed below the first beam frame (1), and the first support bar (22) is connected with the first buffer bar (23), the second buffer bar (24) is arranged below the first buffer bar (23), and the second support bar (25) is connected below the second buffer bar (24), the inner side and the outer side of the second buffer bar (24) are respectively provided with the first buffer spring (26) and the second buffer spring (27), and the second buffer bar (24) is connected with the first buffer bar (23) with each other through the first buffer spring (26), and the first support bar (22) is interconnected with the second support bar (25) by a second buffer spring (27).
2. The agricultural machine chassis with high stability and convenient installation according to claim 1, wherein: the first beam frame (1) and the second beam frame (2) are connected in a welding mode, and the platform (7) is integrated with the first beam frame (1) and the second beam frame (2) respectively.
3. The agricultural machine chassis with high stability and convenient installation according to claim 1, wherein: the limiting rod (10) is distributed on the connecting ring (8) at equal angles, and the upper surface of one end of the limiting rod (10) facing the center of the connecting ring (8) is of an inclined structure.
4. The agricultural machine chassis with high stability and convenient installation according to claim 1, wherein: the supporting rod (11) and the mounting groove (9) form a sliding structure, and the limiting rod (10) and the mounting groove (9) form a telescopic structure through the supporting rod (11) and the return spring (12).
5. The agricultural machine chassis with high stability and convenient installation according to claim 1, wherein: the lower end edge of the connecting chassis (14) is of an inclined structure, limit grooves (15) are distributed on the connecting chassis (14) at equal angles, and the limit rod (10) is connected with the connecting chassis (14) in a clamping mode through the limit grooves (15).
6. The agricultural machine chassis with high stability and convenient installation according to claim 1, wherein: the transverse rod (18) is fixedly connected with the transverse plate (17), and a sliding structure is formed between the transverse rod (18) and the slotted hole (20).
7. The agricultural machine chassis with high stability and convenient installation according to claim 1, wherein: be through connection between inserted bar (19) and diaphragm (17), and the lower extreme of inserted bar (19) is through connection between perforation (13) and gag lever post (10).
8. The agricultural machine chassis with high stability and convenient installation according to claim 1, wherein: the first supporting rod (22) is fixedly connected with the first beam frame (1), and the first supporting rod (22) and the second supporting rod (25) form a telescopic structure through a second buffer spring (27).
9. The agricultural machine chassis with high stability and convenient installation according to claim 1, wherein: the second buffer rod (24) is of a hollow structure, and the second buffer rod (24) and the first buffer rod (23) form a telescopic structure through a first buffer spring (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572879.XA CN110121957B (en) | 2019-06-28 | 2019-06-28 | Agricultural machinery chassis that stability is high and be convenient for installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572879.XA CN110121957B (en) | 2019-06-28 | 2019-06-28 | Agricultural machinery chassis that stability is high and be convenient for installation |
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| Publication Number | Publication Date |
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| CN110121957A CN110121957A (en) | 2019-08-16 |
| CN110121957B true CN110121957B (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910572879.XA Active CN110121957B (en) | 2019-06-28 | 2019-06-28 | Agricultural machinery chassis that stability is high and be convenient for installation |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111903265A (en) * | 2020-08-14 | 2020-11-10 | 李雄林 | Suspension damping chassis structure of agricultural machinery equipment applied electric control support |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4790389A (en) * | 1986-04-22 | 1988-12-13 | Flex-King Corporation | Field cultivator frame with limiting assembly |
| CN103600655A (en) * | 2013-11-22 | 2014-02-26 | 华南农业大学 | Front axle swinging type four-wheel drive chassis steering system for paddy fields |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19720684A1 (en) * | 1996-05-21 | 1997-11-27 | Georg Selig | Hedge trimmer chassis |
| CN205694130U (en) * | 2016-03-24 | 2016-11-23 | 农业部南京农业机械化研究所 | A kind of hillside fields farm-oriented motor-driven crawler body |
| CN207815416U (en) * | 2017-12-22 | 2018-09-04 | 曹湛慧 | A kind of smokeless electric ceramic heaters |
| CN208149095U (en) * | 2018-05-08 | 2018-11-27 | 温州大学瓯江学院 | A kind of offroad vehicle used under adverse circumstances |
| CN208845618U (en) * | 2018-09-05 | 2019-05-10 | 浙江三A弹簧有限公司 | A kind of automobile buffer spring |
-
2019
- 2019-06-28 CN CN201910572879.XA patent/CN110121957B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4790389A (en) * | 1986-04-22 | 1988-12-13 | Flex-King Corporation | Field cultivator frame with limiting assembly |
| CN103600655A (en) * | 2013-11-22 | 2014-02-26 | 华南农业大学 | Front axle swinging type four-wheel drive chassis steering system for paddy fields |
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| CN110121957A (en) | 2019-08-16 |
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