CN202148545U - Land leveling machine - Google Patents
Land leveling machine Download PDFInfo
- Publication number
- CN202148545U CN202148545U CN201120223003U CN201120223003U CN202148545U CN 202148545 U CN202148545 U CN 202148545U CN 201120223003 U CN201120223003 U CN 201120223003U CN 201120223003 U CN201120223003 U CN 201120223003U CN 202148545 U CN202148545 U CN 202148545U
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- CN
- China
- Prior art keywords
- hitch frame
- connecting rod
- spring
- utility
- model
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a land leveling machine. The land leveling machine comprises a ball head mounting seat, a ball pin and a traction frame, wherein the ball head mounting seat is connected with a machine frame, a ball head of the ball pin is clamped in the ball head mounting seat, and the traction frame is connected with a scraper knife; and the land leveling machine also comprises an elastic connecting structure, wherein the elastic connecting structure is connected with the ball pin and the traction frame, and has a buffer function. In the utility model, as the elastic connecting structure with the buffer function is arranged between the ball pin and the traction frame to replace the rigid connection in the prior art, safety for an operator and the whole machine is improved.
Description
Technical field
The utility model relates to engineering machinery field, is meant a kind of land leveller especially.
Background technology
The perching knife of land leveller is when shoveling native operation; Perching knife stressed through hitch frame (as shown in Figure 1; Wherein 1 for perching knife, 2 for hitch frame) pass to frame; Land leveller of the prior art adopts be rigidly connected (realizing through modes such as ball stud and the direct welding of hitch frame) usually between hitch frame and frame, no buffer gear, and common structure is as shown in Figures 2 and 3.
Such land leveller is at shovel during native operation, because the operator is difficult to make judgement to being buried in obstructions such as stone in the soil, stub, thereby perching knife and complete machine produced impact, and all there are potential safety hazard in complete machine and operator.
The utility model content
The utility model proposes a kind of land leveller, adopts the resilient connection with cushioning effect to substitute original rigid connection, has improved safety.
The technical scheme of the utility model is achieved in that
A kind of land leveller comprises the hitch frame that the bulb mount pad, the bulb that are connected with frame are stuck in the ball stud in the said bulb mount pad and are connected with perching knife, also comprises:
Connect said ball stud and said hitch frame, elastic connection structure with cushioning effect.
Preferably, said ball stud comprises bulb and connecting rod, and said connecting rod is arranged in the inner chamber of said hitch frame, and said hitch frame is provided with closing near an end of said ball stud;
Said elastic connection structure comprises the spring that is arranged on the said connecting rod, and an end of said spring and the closing in of said hitch frame are conflicted, and conflicts in the other end of said spring and the end of said connecting rod.
Preferably, the end of said connecting rod is provided with screw thread and nut engaged with it, and the said nut of the other end of said spring and said connecting rod end is conflicted.
Preferably, said elastic connection structure also comprises:
Be arranged at the directed baffle plate between said nut and the said spring.
Preferably, said elastic connection structure also comprises:
Be arranged on the said hitch frame fairlead that plays the guide-localization effect between said hitch frame and said connecting rod.
The utility model technical scheme adopts the elastic connection structure with cushioning effect to substitute rigid connection of the prior art between ball stud and hitch frame;, perching knife can play cushioning effect when shoveling obstructions such as the stone that is buried in the soil, stub; Minimizing has improved the safety of operator and complete machine to the impact of land leveller complete machine.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of land leveller in the prior art;
Fig. 2 is the sketch map of connected mode between a kind of bulb mount pad and the hitch frame in the prior art;
Fig. 3 is the sketch map of connected mode between another kind of bulb mount pad and the hitch frame in the prior art;
Fig. 4 is the structural representation of a kind of land leveller of the utility model.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 4; In first embodiment of a kind of land leveller of the utility model; Said land leveller comprises that the bulb mount pad 22, the bulb 24 that are connected with frame are stuck in ball stud 23 in the said bulb mount pad 22 and the hitch frame 21 that is connected with perching knife; Said land leveller also comprises said ball stud 23 of connection and said hitch frame 21, the elastic connection structure with cushioning effect.Need explanation, for the better technical scheme of explanation the utility model, in Fig. 4, to prior art in identical parts (like perching knife, frame etc.) do not mark, can not be therefore and the scope of the utility model technical scheme is had any restriction.
In an embodiment of the utility model, said ball stud 23 comprises bulb 24 and connecting rod 25, and said connecting rod 25 is arranged in the inner chamber of said hitch frame 21, and said hitch frame 21 is provided with closing in 30 near an end of said ball stud 23.
Said connecting rod 25 is arranged in the inner chamber of said hitch frame 21 after passing said closing in 30, and the cross section of said hitch frame 21 inner chambers can be circular, square or other shape.
Said elastic connection structure comprises the spring 26 that is arranged on the said connecting rod 25, and an end of said spring 26 and the closing in of said hitch frame 21 30 are conflicted, and conflicts in the end of the other end of said spring 26 and said connecting rod 25.
Said spring 26 can be various forms such as helical spring, dish property spring or elastic buffering pad, and each embodiment of the utility model does not limit this.
In another embodiment of the utility model, the end of said connecting rod 25 is provided with screw thread and nut engaged 27 with it.
Conflict and be specially in the end of the other end of said spring 26 and said connecting rod 25:
The said nut 27 of the other end of said spring 26 and said connecting rod 25 ends is conflicted.
Through the setting of said screw thread and nut 27, can utilize the pretightning force of the said spring 26 of said nut 27 adjustment, and the size of pretightning force can be confirmed according to the complete machine hauling ability, thereby adapt to multiple operative scenario and environment.
In another embodiment of the utility model, said elastic connection structure also comprises:
Be arranged at the directed baffle plate 28 between said nut 27 and the said spring 26, said nut 27 carries out the adjusting of pretightning force through 28 pairs of springs of said directed baffle plate 26.
In addition, said elastic connection structure also comprises:
Be arranged on the said hitch frame 21 fairlead that plays the guide-localization effect 29 between said hitch frame 21 and said connecting rod 25.
The utility model technical scheme adopts the elastic connection structure with cushioning effect to substitute rigid connection of the prior art between ball stud 23 and hitch frame 21; Thereby can effectively avoid land leveller when the native operation of shovel; Produce and impact the destruction that causes being buried in obstructions such as stone in the soil, stub, improved complete machine and operator's safety.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (5)
1. a land leveller comprises that the bulb mount pad (22), the bulb (24) that are connected with frame are stuck in ball stud (23) in the said bulb mount pad (22) and the hitch frame (21) that is connected with perching knife, it is characterized in that, also comprises:
Connect said ball stud (23) and said hitch frame (21), elastic connection structure with cushioning effect.
2. land leveller according to claim 1; It is characterized in that; Said ball stud (23) comprises bulb (24) and connecting rod (25), and said connecting rod (25) is arranged in the inner chamber of said hitch frame (21), and said hitch frame (21) is provided with closing in (30) near an end of said ball stud (23);
Said elastic connection structure comprises the spring (26) that is arranged on the said connecting rod (25), and the closing in (30) of an end of said spring (26) and said hitch frame (21) is conflicted, and conflicts in the end of the other end of said spring (26) and said connecting rod (25).
3. land leveller according to claim 2 is characterized in that, the end of said connecting rod (25) is provided with screw thread and nut engaged (27) with it, and the said nut (27) of the other end of said spring (26) and said connecting rod (25) end is conflicted.
4. land leveller according to claim 3 is characterized in that, said elastic connection structure also comprises:
Be arranged at the directed baffle plate (28) between said nut (27) and the said spring (26).
5. land leveller according to claim 4 is characterized in that, said elastic connection structure also comprises:
Be arranged on the said hitch frame (21), be positioned at the fairlead that plays the guide-localization effect (29) between said hitch frame (21) and the said connecting rod (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120223003U CN202148545U (en) | 2011-06-28 | 2011-06-28 | Land leveling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120223003U CN202148545U (en) | 2011-06-28 | 2011-06-28 | Land leveling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202148545U true CN202148545U (en) | 2012-02-22 |
Family
ID=45589608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120223003U Expired - Fee Related CN202148545U (en) | 2011-06-28 | 2011-06-28 | Land leveling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202148545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951493A (en) * | 2018-08-29 | 2018-12-07 | 徐州徐工环境技术有限公司 | Refuse cleaning vehicle clearing apparatus and refuse cleaning vehicle |
| CN112854329A (en) * | 2021-01-21 | 2021-05-28 | 吴娟娟 | Telescopic laser land leveler |
-
2011
- 2011-06-28 CN CN201120223003U patent/CN202148545U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951493A (en) * | 2018-08-29 | 2018-12-07 | 徐州徐工环境技术有限公司 | Refuse cleaning vehicle clearing apparatus and refuse cleaning vehicle |
| CN112854329A (en) * | 2021-01-21 | 2021-05-28 | 吴娟娟 | Telescopic laser land leveler |
| CN112854329B (en) * | 2021-01-21 | 2022-09-09 | 湖南伟人建设工程有限公司 | Telescopic laser land leveler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |