CN213907387U - Traction structure and scraper comprising same - Google Patents
Traction structure and scraper comprising same Download PDFInfo
- Publication number
- CN213907387U CN213907387U CN202022446861.6U CN202022446861U CN213907387U CN 213907387 U CN213907387 U CN 213907387U CN 202022446861 U CN202022446861 U CN 202022446861U CN 213907387 U CN213907387 U CN 213907387U
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- connecting structure
- pin shaft
- hole
- traction
- towing
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Abstract
The utility model discloses a traction structure and a scraper comprising the same, wherein the traction structure comprises a first connection structure, a second connection structure, a third connection structure and a fourth connection structure; the first connecting structure is connected with a traction device, the second connecting structure is movably connected with the first connecting structure through a first connecting piece, the third connecting structure is movably connected with the second connecting structure through a second connecting piece, the fourth connecting structure is movably connected with the third connecting structure through a third connecting piece, the fourth connecting structure is connected with the traction device, the second connecting structure is relative to the first connecting structure, the first connecting structure rotates up and down, and the fourth connecting structure is relative to the third connecting structure, the third connecting structure rotates left and right. Draw the structure, machine-shaping, no welding has avoided the structural damage because of the high load arouses.
Description
Technical Field
The utility model relates to a device of hookup between tractor and the agricultural implement, concretely relates to pull structure and contain pull structure's scraper.
Background
The traction structure is an important part of the traction type agricultural machinery, the agricultural machine is hung behind a tractor through a traction device, and the tractor is used for completing various operations; in order to adapt to the whole operation process, when turning at the ground or encountering obstacles such as stones, the traction structure can meet the rotation in the horizontal and vertical directions within a certain range, and the failure rate is ensured to be low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a traction structure which is formed by machining and is free of welding, thereby avoiding the structural damage caused by high load; but also can rotate in the horizontal and vertical directions within a certain range, and has certain universal property; the technical scheme is as follows:
a traction structure comprises a first connecting structure, a second connecting structure, a third connecting structure and a fourth connecting structure; the first connecting structure is connected with a traction device, the second connecting structure is movably connected with the first connecting structure through a first connecting piece, the third connecting structure is movably connected with the second connecting structure through a second connecting piece, the fourth connecting structure is movably connected with the third connecting structure through a third connecting piece, the fourth connecting structure is connected with the traction device, the second connecting structure is relative to the first connecting structure, the first connecting structure rotates up and down, and the fourth connecting structure is relative to the third connecting structure, the third connecting structure rotates left and right.
The first connecting structure, the second connecting structure, the third connecting structure and the fourth connecting structure are movably connected through connecting pieces, welding is avoided, and the problem that welding seams are prone to cracking when high-load operation is performed is effectively solved.
The second connecting structure rotates up and down relative to the first connecting structure, and the fourth connecting structure rotates left and right relative to the third connecting structure, so that the traction structure of the utility model can rotate in the horizontal and vertical directions within a certain range, and has the universal property; thereby realizing that the dragged agricultural machine has a certain profiling function.
In order to enhance the universality of the traction structure, the third connecting structure rotates left and right relative to the second connecting structure, and the rotation of the third connecting structure is limited by the structure of the second connecting structure.
According to agricultural implement operation characteristics, can restrict the rotation range of second connection structure: the second connecting structure rotates upwards relative to the first connecting structure.
The second connecting structure is movably connected with the first connecting structure through a first connecting piece, specifically, the first connecting piece comprises a first pin shaft and connecting lugs, first connecting holes are arranged on the connecting lugs of the second connecting structure, and the number of the connecting lugs is 1 group or more; the second connecting structure can rotate around the first pin shaft in the circumferential direction.
Considering that the traction structure is convenient to assemble, the number of the connecting lugs is selected to be 2 groups, and the second connecting structure can be selected to be a near A shape.
The second connecting piece comprises a second pin shaft, a second connecting hole for the second pin shaft to pass through is formed in the second connecting structure, and the central axis of the second connecting hole is perpendicular to the central axis of the first connecting hole; a third connecting hole for the second pin shaft to pass through is formed in the third connecting structure; the second pin shaft penetrates through the second connecting hole and the third connecting hole, the third connecting structure can rotate around the second connecting pin shaft within a certain range, and the rotation of the third connecting structure is limited by the structure of the second connecting structure.
The third connecting piece comprises a third pin shaft, a fourth connecting hole for the third pin shaft to penetrate through is formed in the third connecting structure, and the central axis of the fourth connecting hole is perpendicular to the central axis of the third connecting hole; a fifth connecting hole for the third pin shaft to pass through is formed in the fourth connecting structure; the third pin shaft penetrates through the fourth connecting hole and the fifth connecting hole, and the fourth connecting structure can rotate around the third pin shaft in the circumferential direction. Specifically, the third connection structure is "U" type, the fourth connection structure includes the sleeve, the sleeve of fourth connection structure with third connection structure passes through third round pin hub connection.
The fourth connecting structure is also provided with a plurality of connecting holes which are arranged side by side and used for being connected with agricultural equipment.
The utility model has the advantages that:
the traction structure of the utility model adopts machine shaping without welding, thereby avoiding the structural damage caused by high load; but also can rotate in the horizontal and vertical directions within a certain range, and has a certain universal property.
Drawings
Fig. 1 is a schematic structural view of a traction structure according to the present invention;
fig. 2 is a cross-sectional view of a traction structure according to the present invention;
fig. 3 is a schematic structural view of a second connecting structure according to the present invention;
fig. 4 is a schematic structural diagram of a third connection structure according to the present invention.
In the figure: 1. the connecting structure comprises a first connecting structure, 2, a second connecting structure, 3, a third connecting structure, 4, a fourth connecting structure, 5, a first connecting piece, 500, a connecting lug on the first connecting structure, 510, a first pin shaft, 520, a connecting lug on the second connecting structure, 6, a second pin shaft, 7, a third pin shaft, 8, a first connecting hole, 9, a second connecting hole, 10, a third connecting hole, 11, a fourth connecting hole, 12 and a shaft sleeve.
Detailed Description
The present invention is further explained with reference to fig. 1 to 4, as shown in fig. 1, a traction structure includes a first connecting structure 1, a second connecting structure 2, a third connecting structure 3 and a fourth connecting structure 4; first connection structure 1 is connected with draw gear, second connection structure 2 with first connection structure 1 passes through 5 swing joint of first connecting piece, third connection structure 3 with second connection structure 2 passes through second connecting piece swing joint, fourth connection structure 4 with third connection structure 3 passes through third connecting piece swing joint, fourth connection structure 4 with be connected by draw gear, second connection structure 2 is relative first connection structure 1 rotates from top to bottom, fourth connection structure 4 is relative third connection structure 3 rotates about. The traction device may be a tractor and the towed device may be an agricultural implement.
The second connecting structure rotates up and down, and the fourth connecting structure rotates left and right, so that the traction structure can rotate on the whole in a vertical plane and a horizontal plane within a certain range, and the universal traction structure has universal property.
According to the use occasion, can restrict or enlarge pull the rotation range of structure, the utility model provides a restriction second connection structure downwardly pivoted pulls the structure, can be used as the structure of pulling of scraper, as shown in fig. 2, first connection structure's horizontal support board has restricted second connection structure's engaging lug 520 rotates downwards.
As shown in fig. 1, the first connecting member 5 includes a first pin 510, a first connecting lug 500 on the first connecting structure, and a second connecting lug 520 on the second connecting structure, a first connecting hole 8 is disposed on the second connecting lug 520 on the second connecting structure, the first connecting structure and the second connecting structure are movably connected through the first pin 510, there are 2 sets of the second connecting lug 520 on the second connecting structure and the first connecting lug 500 on the first connecting structure, and the second connecting structure 2 can rotate circumferentially upward around the first pin 510.
The number of the connecting lugs on the first connecting structure and the number of the connecting lugs on the second connecting structure can also be set as a group or other numbers, and the installation problem of a third connecting structure and the second connecting structure is considered.
Referring to fig. 1, 2 and 3, the second connecting member includes a second pin 6, a second connecting hole 9 is formed in the second connecting structure, the second pin 6 passes through the second connecting hole 9, and a central axis of the second connecting hole 9 is perpendicular to a central axis of the first connecting hole 8; a third connecting hole 10 for the second pin shaft 6 to pass through is formed in the third connecting structure 3; the second pin shaft 6 penetrates through the second connecting hole 9 and the third connecting hole 10, the third connecting structure 3 can rotate around the second connecting pin shaft 6 within a certain range, and the rotation of the third connecting structure 3 is limited by the second connecting structure 2.
In order to limit the axial movement of the pin shaft, one end of the second pin shaft 6 is provided with a limiting clamp, and the other end of the second pin shaft is provided with a fastening nut; a shaft sleeve is sleeved on the second pin shaft, the third connecting structure 3 is in interference fit with the shaft sleeve, and the shaft sleeve is in clearance fit with the second pin shaft; an inclined oil filling hole is formed in the third connecting structure 3.
As shown in fig. 1, fig. 2, and fig. 4, the third connecting member includes a third pin 7, a fourth connecting hole 11 is formed in the third connecting structure, through which the third pin 7 passes, and a central axis of the fourth connecting hole 11 is perpendicular to a central axis of the third connecting hole 10; a fifth connecting hole 12 for the third pin 7 to pass through is formed in the fourth connecting structure 4; the third pin 7 penetrates through the fourth connecting hole 11 and the fifth connecting hole 12, and the fourth connecting structure 4 can rotate circumferentially around the third pin 7; in this embodiment, the third connecting structure is "U" shaped, the fourth connecting structure 4 includes a sleeve, and the sleeve of the fourth connecting structure is connected to the third connecting structure through a third pin 7. The third pin shaft 7 is sleeved with a shaft sleeve 12, the fourth connecting structure 4 is in interference fit with the shaft sleeve 12, and the shaft sleeve 12 is in clearance fit with the third pin shaft 7.
And a plurality of connecting holes which are arranged side by side are arranged on the fourth connecting structure 4 and are used for being connected with agricultural equipment.
Claims (10)
1. A towing construction, characterized in that: the device comprises a first connecting structure, a second connecting structure, a third connecting structure and a fourth connecting structure; the first connecting structure is connected with a traction device, the second connecting structure is movably connected with the first connecting structure through a first connecting piece, the third connecting structure is movably connected with the second connecting structure through a second connecting piece, the fourth connecting structure is movably connected with the third connecting structure through a third connecting piece, the fourth connecting structure is connected with the traction device, the second connecting structure is relative to the first connecting structure, the first connecting structure rotates up and down, and the fourth connecting structure is relative to the third connecting structure, the third connecting structure rotates left and right.
2. The towing construction according to claim 1, wherein: the second connecting structure rotates upwards relative to the first connecting structure.
3. The towing construction according to claim 2, wherein: the third connecting structure rotates left and right relative to the second connecting structure.
4. The towing construction according to claim 3, wherein: the first connecting piece comprises a first pin shaft and connecting lugs, first connecting holes are formed in the connecting lugs of the second connecting structure, and the number of the connecting lugs is 1 group or more.
5. The towing construction according to claim 4, wherein: the number of the connecting lugs is 2 groups.
6. The towing construction according to claim 4, wherein: the second connecting piece comprises a second pin shaft, a second connecting hole for the second pin shaft to pass through is formed in the second connecting structure, and the central axis of the second connecting hole is perpendicular to the central axis of the first connecting hole; and a third connecting hole for the second pin shaft to pass through is formed in the third connecting structure.
7. The towing construction according to claim 6, wherein: the third connecting piece comprises a third pin shaft, a fourth connecting hole for the third pin shaft to penetrate through is formed in the third connecting structure, and the central axis of the fourth connecting hole is perpendicular to the central axis of the third connecting hole; and a fifth connecting hole for the third pin shaft to pass through is formed in the fourth connecting structure.
8. The towing construction according to claim 7, wherein: the third connecting structure is U-shaped.
9. The towing construction according to claim 1, wherein: and the fourth connecting structure is provided with a plurality of connecting holes which are arranged side by side.
10. A scraper, characterized in that: the towing structure of any one of claims 1 to 9, wherein the first connecting structure is fixedly connected with a suspension part of a tractor, and the fourth connecting structure is fixedly connected with a towing frame of the scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022446861.6U CN213907387U (en) | 2020-10-29 | 2020-10-29 | Traction structure and scraper comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022446861.6U CN213907387U (en) | 2020-10-29 | 2020-10-29 | Traction structure and scraper comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213907387U true CN213907387U (en) | 2021-08-10 |
Family
ID=77164056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022446861.6U Active CN213907387U (en) | 2020-10-29 | 2020-10-29 | Traction structure and scraper comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213907387U (en) |
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2020
- 2020-10-29 CN CN202022446861.6U patent/CN213907387U/en active Active
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