CN214338523U - Integral hydraulic suspension device and tractor - Google Patents
Integral hydraulic suspension device and tractor Download PDFInfo
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- CN214338523U CN214338523U CN202120198417.9U CN202120198417U CN214338523U CN 214338523 U CN214338523 U CN 214338523U CN 202120198417 U CN202120198417 U CN 202120198417U CN 214338523 U CN214338523 U CN 214338523U
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- lift
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Abstract
The utility model relates to an integral hydraulic pressure linkage and tractor, integral hydraulic pressure linkage includes the frame, two backup pads, two lower links, lifting arm and two lift bars, two backup pads are fixed in the both sides of frame respectively, the lower link rotates with the backup pad that corresponds with backup pad one-to-one setting and its one end and is connected, the rotatable installation of lifting arm in the frame, the both ends of lifting arm are connected with the upper end ball pivot of two lift bars respectively, the lower extreme of two lift bars is articulated with the middle part of two lower links respectively, the lift bar is scalable. The beneficial effects are that: the two independent supporting plates are adopted, the supporting plates are directly installed on the rack, and the supporting plates can be connected with the lower pull rod and other components, so that the assembling is convenient, the structure is simple, the material is saved, and the weight of the whole suspension device is reduced. The upper end junction of lift bar compact structure, clearance are little, and the lift bar can not rock, and the reliable not fragile of structure.
Description
Technical Field
The utility model relates to the field of agricultural machinery, concretely relates to integral hydraulic suspension device and tractor.
Background
The hydraulic suspension device is used for suspending and operating a tractor working device of an agricultural implement for various operations. Consists of a suspension mechanism, a hydraulic mechanism and a control mechanism. The suspension mechanism is mostly arranged at the rear part of the tractor, and can also be provided with a front suspension, a side suspension, an inter-axle suspension and the like according to the operation requirement.
The existing hydraulic suspension device has the following problems: 1. go up pull rod mount pad and frame bolted connection, the bolt easily becomes flexible and leads to going up the pull rod unstable, and the reliability is poor. 2. The upper end and the lower end of the lifting rod are respectively connected with the lifting arm and the lower pull rod through pin shafts, and the upper end of the lifting rod is easy to shake in the lifting process, so that the pin shafts are damaged by impact. 3. The two lower pull rods are firstly installed on a lower pull rod support and then fixed with the rack, the oil cylinder used for driving the lifting arm also needs to be firstly installed on the oil cylinder support and then fixed with the rack, the lower pull rod support and the oil cylinder support are both frames with symmetrical structures, the two sides of the lower pull rod support play a role in installation and support, and the middle part of the lower pull rod support is used for connecting the two sides. The lower pull rod and the oil cylinder need to be assembled independently, the assembly convenience is poor, and the overall weight is increased due to the structures of the lower pull rod support and the middle part of the oil cylinder support.
SUMMERY OF THE UTILITY MODEL
In order to solve one or more of the above technical problems, the utility model provides an integral hydraulic suspension device and tractor.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides an integral hydraulic suspension device, includes frame, two backup pads, two lower pull rods, lifting arm and two lift bars, two the backup pad is fixed in respectively the both sides of frame, the lower pull rod with the backup pad one-to-one sets up and its one end and corresponds the backup pad rotates to be connected, the lifting arm is rotatable install in the frame, the both ends of lifting arm are respectively with two the upper end ball pivot of lifting rod is connected, two the lower extreme of lifting rod is respectively with two the middle part of lower pull rod is articulated, the lifting rod is scalable.
The utility model has the advantages that: the two independent supporting plates are adopted, the lower pull rod and other parts can be connected to the supporting plates directly installed on the rack and the supporting plates, the assembling is convenient, the structure is simple, a connecting structure is not needed between the two supporting plates, the material is saved, and the weight of the whole suspension device is reduced. The upper end and the lift arm of lift bar pass through the ball pivot and are connected, and the upper end junction compact structure, the clearance of lift bar are little, and the lift bar can not rock, and the structure is reliable not fragile.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the lifting device further comprises an upper pull rod mounting seat and an upper pull rod, wherein the upper pull rod mounting seat is welded and fixed on the rack and is positioned between the two supporting plates, the lower end of the upper pull rod is hinged with the upper pull rod mounting seat, and the upper pull rod is telescopic.
The beneficial effect of adopting the further scheme is that: the upper pull rod mounting seat is welded with the rack, so that bolt looseness during bolt connection can be avoided, and connection stability is high.
The lifting arm and the supporting plate are hinged to the two sides of the supporting plate, and the lifting arm and the supporting plate are hinged to the two sides of the supporting plate.
The beneficial effect of adopting the further scheme is that: the drive member drives the lift arm to raise or lower.
Further, the driving part is an oil cylinder, an air cylinder or an electric push rod.
Furthermore, the device also comprises two limiting chains, wherein the two limiting chains are respectively positioned at two sides of the supporting plate, and two ends of each limiting chain are respectively hinged with the rack and the lower pull rod which are positioned at the corresponding side.
The beneficial effect of adopting the further scheme is that: the limiting chain limits the rotation range of the lower pull rod.
Furthermore, the support device also comprises two limiting chain supports, wherein the two limiting chain supports are respectively fixed with the rack and extend to the two outer sides of the supporting plates, and one end of each limiting chain is hinged with the corresponding limiting chain support on the corresponding side.
Furthermore, the lower end of each lifting rod is provided with two mutually parallel connecting parts, and the two connecting parts are respectively positioned at two sides of the corresponding lower pull rod and are connected with the lower pull rod through pin shafts.
The utility model discloses a lower link and hydro-cylinder are all installed in the backup pad, compact structure, and simple to operate need not to set up the support respectively for lower link and hydro-cylinder, alleviates overall structure's weight.
The utility model also provides a tractor, include integral hydraulic pressure linkage.
Further, the frame is installed at the rear part of the tractor main body, and the other end of the lower pull rod extends backwards and is used for being connected with farm tools.
Drawings
Fig. 1 is a three-dimensional view of the integral hydraulic suspension device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a rack, 2, a supporting plate, 3, a lower pull rod, 4, a lifting arm, 5, a lifting rod, 6, an upper pull rod mounting seat, 7, an upper pull rod, 8, an oil cylinder, 9, a limiting chain, 10 and a limiting chain support.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, this embodiment provides an integral hydraulic suspension device, including frame 1, two backup pads 2, two lower links 3, lift arm 4 and two lift bars 5, two backup pads 2 are fixed in respectively the both sides of frame 1, lower link 3 with backup pad 2 one-to-one sets up and its one end with correspond backup pad 2 rotates to be connected, lift arm 4 rotatable install in on frame 1, the both ends of lift arm 4 respectively with two the upper end ball joint of lift bar 5 is connected, two the lower extreme of lift bar 5 respectively with two the middle part of lower link 3 is articulated, lift bar 5 is scalable.
Adopt two independent backup pads 2, backup pad 2 is direct can connect lower tie rod 3 and other parts with 1 installation of frame and backup pad 2, convenient assembling, simple structure need not to have connection structure between two backup pads 2, save material, alleviate whole linkage's weight. The upper end of the lifting rod 5 is connected with the lifting arm 4 through a spherical hinge, the upper end connection part of the lifting rod 5 is compact in structure and small in gap, the lifting rod 5 cannot shake, and the lifting rod is reliable in structure and not prone to damage.
Wherein, the lifting rod 5 can be a telescopic hydraulic rod or a telescopic pneumatic rod, or the lifting rod 5 comprises two sections of rod bodies connected by screw threads, and the total length of the two rod bodies can be adjusted by rotating one of the rod bodies.
Wherein, be fixed with the lower link back shaft on every backup pad 2, lower link 3 corresponds rotatable the installation on the lower link back shaft. The lower pull rod 3 is provided with a through hole, the lower pull rod 3 is rotatably sleeved on the lower pull rod supporting shaft through the through hole, and further, the lower pull rod 3 can also be rotatably arranged on the lower pull rod supporting shaft through a bearing.
On the basis of the scheme, the lifting device further comprises an upper pull rod mounting seat 6 and an upper pull rod 7, wherein the upper pull rod mounting seat 6 is fixedly welded on the rack 1 and located between the two supporting plates 2, the lower end of the upper pull rod 7 is hinged to the upper pull rod mounting seat 6, and the upper pull rod 7 is telescopic.
The upper pull rod 7 can be a telescopic hydraulic rod or a telescopic pneumatic rod, or the upper pull rod 7 comprises two rod bodies in threaded connection, and the total length of the two rod bodies can be adjusted by rotating one of the rod bodies. The upper end of the upper pull rod 7 is used for connecting farm tools.
On the basis of any one of the above schemes, the lifting device further comprises two driving parts, the two driving parts are respectively located on two sides of the two supporting plates 2, and two ends of each driving part are respectively hinged with the lifting arm 4 and the supporting plate 2 on the corresponding side.
On the basis of any one of the above schemes, the driving part is an oil cylinder 8, an air cylinder or an electric push rod.
When the driving part is the oil cylinder 8, specifically, an oil cylinder supporting shaft is fixed on each supporting plate 2, and the lower end of the oil cylinder 8 is correspondingly and rotatably mounted on the oil cylinder supporting shaft. The lower extreme of hydro-cylinder 8 has the through-hole, and hydro-cylinder 8 is rotatable to be overlapped on the hydro-cylinder back shaft through the through-hole, and further, hydro-cylinder 8 can also be rotatable to be installed on the hydro-cylinder back shaft through the bearing.
On the basis of any one of the above schemes, the device further comprises two limiting chains 9, wherein the two limiting chains 9 are respectively positioned at two sides of the supporting plate 2, and two ends of each limiting chain 9 are respectively hinged with the rack 1 and the lower pull rod 3 which are positioned at the corresponding side.
On the basis of any one of the above schemes, the device further comprises two limiting chain supports 10, wherein the two limiting chain supports 10 are respectively fixed with the rack 1 and extend to the outer sides of the two supporting plates 2, and one end of each limiting chain 9 is hinged to the corresponding limiting chain support 10.
On the basis of any scheme, the lower end of each lifting rod 5 is provided with two mutually parallel connecting parts, and the two connecting parts are respectively positioned at two sides of the corresponding lower pull rod 3 and are connected with the lower pull rod 3 through pin shafts.
The present embodiment also provides a tractor comprising the integrated hydraulic hitch.
On the basis of any scheme, the frame 1 is installed at the rear part of the tractor body, and the other end of the lower pull rod 3 extends backwards and is used for connecting farm implements. Alternatively, the frame 1 may be mounted to the front or side of the tractor body.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides an integral hydraulic suspension device, its characterized in that includes frame (1), two backup pads (2), two lower link (3), lift arm (4) and two lift bar (5), two backup pad (2) are fixed in respectively the both sides of frame (1), lower link (3) with backup pad (2) one-to-one sets up and its one end and corresponds backup pad (2) rotate to be connected, lift arm (4) rotatable install in on frame (1), the both ends of lift arm (4) respectively with two the upper end ball pivot of lift bar (5) is connected, two the lower extreme of lift bar (5) respectively with two the middle part of lower link (3) is articulated, lift bar (5) are scalable.
2. The integral hydraulic suspension device according to claim 1, characterized by further comprising an upper pull rod mounting seat (6) and an upper pull rod (7), wherein the upper pull rod mounting seat (6) is welded and fixed on the frame (1) and is positioned between the two support plates (2), the lower end of the upper pull rod (7) is hinged with the upper pull rod mounting seat (6), and the upper pull rod (7) is telescopic.
3. An integral hydraulic suspension device according to claim 1, characterized by further comprising two driving members respectively located on both sides of the two support plates (2), each driving member having both ends respectively hinged to the lifting arm (4) and the support plate (2) on the corresponding side.
4. An integrated hydraulic suspension arrangement according to claim 3, characterised in that the drive means is a cylinder (8), a gas cylinder or an electric push rod.
5. The integral hydraulic suspension device according to claim 1, characterized by further comprising two limiting chains (9), wherein the two limiting chains (9) are respectively located at two sides of the two support plates (2), and two ends of each limiting chain (9) are respectively hinged with the frame (1) and the lower pull rod (3) which are located at the corresponding side.
6. The integral hydraulic suspension device according to claim 5, characterized by further comprising two limiting chain supports (10), wherein the two limiting chain supports (10) are respectively fixed with the frame (1) and extend to the outer sides of the two support plates (2), and one end of the limiting chain (9) is hinged with the limiting chain support (10) on the corresponding side.
7. An integrated hydraulic suspension arrangement according to any one of claims 1-6, characterised in that the lower end of each lifting bar (5) has two mutually parallel connections, which are located on either side of the corresponding lower tie rod (3) and are connected to the lower tie rod (3) by means of a pin.
8. A tractor comprising an integrated hydraulic hitch as claimed in any one of claims 1 to 7.
9. The tractor according to claim 8, characterized in that the frame (1) is mounted to the rear of the tractor body, the other end of the lower tie rod (3) extending rearwardly and being adapted to be connected to an implement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198417.9U CN214338523U (en) | 2021-01-25 | 2021-01-25 | Integral hydraulic suspension device and tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198417.9U CN214338523U (en) | 2021-01-25 | 2021-01-25 | Integral hydraulic suspension device and tractor |
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| Publication Number | Publication Date |
|---|---|
| CN214338523U true CN214338523U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120198417.9U Active CN214338523U (en) | 2021-01-25 | 2021-01-25 | Integral hydraulic suspension device and tractor |
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| CN (1) | CN214338523U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114041339A (en) * | 2021-11-15 | 2022-02-15 | 日照海卓液压有限公司 | Three-axis multi-attitude control suspension lifting device for large power platform |
| CN114051783A (en) * | 2021-11-15 | 2022-02-18 | 日照海卓液压有限公司 | Five-axis full-attitude control suspension lifting device for large power platform |
-
2021
- 2021-01-25 CN CN202120198417.9U patent/CN214338523U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114041339A (en) * | 2021-11-15 | 2022-02-15 | 日照海卓液压有限公司 | Three-axis multi-attitude control suspension lifting device for large power platform |
| CN114051783A (en) * | 2021-11-15 | 2022-02-18 | 日照海卓液压有限公司 | Five-axis full-attitude control suspension lifting device for large power platform |
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Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |