CN220830838U - Gap bridge system for harvester - Google Patents
Gap bridge system for harvester Download PDFInfo
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- CN220830838U CN220830838U CN202322701503.9U CN202322701503U CN220830838U CN 220830838 U CN220830838 U CN 220830838U CN 202322701503 U CN202322701503 U CN 202322701503U CN 220830838 U CN220830838 U CN 220830838U
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- 238000000034 method Methods 0.000 description 5
- 238000003306 harvesting Methods 0.000 description 3
- 241001124569 Lycaenidae Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
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Abstract
The utility model discloses a bridge crossing system for a harvester, which comprises a bridge crossing shell assembly, a chain harrow tensioning mechanism assembly, a chain harrow gap adjusting assembly, a pull rod assembly, a front-back inclined frame assembly and a left-right inclined frame assembly, wherein the bridge crossing shell assembly is connected with the chain harrow tensioning mechanism assembly, and the front end of the bridge crossing shell assembly is provided with the left-right inclined frame assembly; the front and rear inclined frame assemblies are respectively connected with the gap bridge shell assembly and the left and right inclined frame assemblies; chain harrow gap adjusting assemblies are arranged on the side walls of the gap bridge shell assemblies; the upper end of the bridge housing assembly is provided with a pull rod assembly, and the pull rod assembly is connected with the bridge housing assembly and the front and rear inclined frame assembly; the system can realize the adjustment of the gaps between the chain harrow and the gap of the gap bridge bottom plate by adjusting the chain harrow gap adjusting assembly, can set the relative positions between different header support floors and the ground by adjusting the front-back inclined frame assembly and the left-right inclined frame assembly, and can compensate the change of other variables such as different tire specifications, rear axles and the like.
Description
Technical Field
The utility model belongs to the technical field of combine harvesters, and particularly relates to a gap bridge system for a harvester.
Background
With the progress of science and technology, the agricultural mechanization level of China is continuously improved, and the requirement of high-end harvesters for harvesting multiple crops with large feeding quantity is on an ascending trend. The high-end harvester can meet the harvesting requirements of different ground conditions and different crops, and the parts of the combine harvester are required to have multifunction; however, the existing gap bridge system of the combine harvester has single structure and poor universality, can not be used for adjusting the angles of the front and back and left and right, and can not meet the requirement of the use of a high-end harvester.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides a gap bridge system for a harvester.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a gap bridge system for a harvester comprises a gap bridge shell assembly, a gap bridge conveying chain, a chain harrow tensioning mechanism assembly, a chain harrow gap adjusting assembly, a pull rod assembly, a front and rear inclined frame assembly and a left and right inclined frame assembly; the front end of the bridge passing shell assembly is provided with an opening, the left side and the right side in the opening are respectively connected with a chain harrow tensioning mechanism assembly, and the two ends of the chain harrow tensioning mechanism assembly are respectively connected with a bridge passing conveying chain; left and right inclined frame assemblies are respectively arranged at two sides of the front end of the gap bridge shell assembly, and the left and right inclined frame assemblies at two sides are mutually symmetrical; a front and rear inclined frame assembly is arranged between the gap bridge shell assembly and the left and right inclined frame assemblies; the front and rear inclined frame assemblies are respectively connected with the gap bridge shell assembly and the left and right inclined frame assemblies;
positioning holes A are respectively formed in the two side walls of the gap bridge shell assembly, chain harrow gap adjusting assemblies are mounted on the positioning holes A, and the inner sides of the chain harrow gap adjusting assemblies are contacted with the two ends of the chain harrow tensioning mechanism assembly;
The upper ends of the bridge passing shell assembly and the front and rear inclined frame assemblies are provided with pull rod combining pieces, and two ends of the pull rod combining pieces are respectively connected with the bridge passing shell assembly and the front and rear inclined frame assemblies;
The chain harrow tensioning mechanism assembly comprises a right arm, a floating roller assembly, a tensioning mechanism and a left arm; the tensioning mechanism is connected with the gap bridge shell assembly, the right arm is arranged on the left side of the tensioning mechanism, the left arm is arranged on the right side of the tensioning mechanism, and the floating roller assembly is arranged between the right arm and the left arm;
The chain harrow clearance adjustment assembly comprises a handle, a pin A and a limiting block, wherein the upper end of the limiting block penetrates through a positioning hole A on the side surface of the bridge shell assembly from inside to outside, and the limiting block is rotatably fixed on the positioning hole A; the handle is arranged at the penetrating end of the limiting block and fixed by the pin A, and the handle is positioned at the outer side of the bridge housing assembly;
The pull rod assembly comprises a left adjusting rod, an adjusting rod and a right adjusting rod; the adjusting rod is a round tube, the inner hole of the adjusting rod is provided with threads, the left end of the adjusting rod is in threaded connection with the left adjusting rod, and the right end of the adjusting rod is in threaded connection with the right adjusting rod; the left end of the left adjusting rod is connected with the front-rear inclined frame assembly, and the right end of the right adjusting rod is connected with the gap bridge shell assembly;
The front-rear inclined frame assembly comprises a frame assembly, an oil cylinder assembly, a pin seat and a shaft A; the middle part of the frame assembly is rotationally connected with the gap bridge shell assembly through a bushing; two sides of the upper end of the frame assembly are respectively provided with a pin seat, and the pin seats are connected with the pull rod assembly; the upper end of the frame assembly is provided with an oil cylinder assembly, one end of the oil cylinder assembly is arranged on the frame assembly, and the other end of the oil cylinder assembly is connected with the left and right inclined frame assemblies; the two sides of the lower end of the frame assembly are respectively provided with a shaft A, the shafts A are fixed on the frame assembly, and the shafts A are connected with the lower ends of the left and right inclined frame assemblies.
The utility model has the beneficial effects that: the utility model provides a gap bridge system for a harvester, which can realize the free adjustment of the minimum gap between a chain harrow and a gap bridge bottom plate through a chain harrow gap adjustment assembly, so that the gap bridge can meet the smooth feeding of different crops; through the adjustment to the front-back inclined frame assembly and the left-right inclined frame assembly, the relative positions between the floor and the ground of different header brackets can be set, and the changes of other variables such as different tire specifications, rear axles and the like can be compensated.
Drawings
FIG. 1 is a schematic diagram of a bridge system of the present utility model;
FIG. 2 is a top view of the chain rake tensioning mechanism assembly;
FIG. 3 is a cross-sectional view of the chain rake clearance adjustment assembly;
FIG. 4 is a top view of the draw bar assembly;
FIG. 5 is a front view of the front and rear tilt frame assembly;
FIG. 6 is a side view of the front and rear tilt frame assembly;
In the figure: 1. bridge housing assembly, 2, bridge conveying chain, 3, chain harrow tensioning mechanism assembly, 4, chain harrow clearance adjustment assembly, 5, pull rod assembly, 6, front and back inclined frame assembly, 7, left and right inclined frame assembly, 301, right arm, 302, floating roller assembly, 303, tensioning mechanism, 304, left arm, 401, handle, 402, limiting block, 403, pin A,501, left adjusting rod, 502, adjusting rod, 503, right adjusting rod, 601, frame assembly, 602, oil cylinder assembly, 603, bushing, 604, pin seat, 605, shaft A.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The following describes in further detail the embodiments of the present utility model with reference to the accompanying drawings: the gap bridge system for the harvester comprises a gap bridge shell assembly 1, a gap bridge conveying chain 2, a chain harrow tensioning mechanism assembly 3, a chain harrow gap adjusting assembly 4, a pull rod assembly 5, a front-back inclined frame assembly 6 and a left-right inclined frame assembly 7, wherein the front end of the gap bridge shell assembly 1 is provided with an opening, the left side and the right side in the opening are respectively connected with the chain harrow tensioning mechanism assembly 3, and the two ends of the chain harrow tensioning mechanism assembly 3 are respectively connected with the gap bridge conveying chain 2; the chain harrow tensioning mechanism assembly 3 comprises a right arm 301, a floating roller assembly 302, a tensioning mechanism 303 and a left arm 304; the tensioning mechanism 303 is connected with the gap bridge shell assembly 1, the right arm 301 is arranged on the left side of the tensioning mechanism 303, the left arm 304 is arranged on the right side of the tensioning mechanism 303, and the floating roll assembly 302 is arranged between the right arm 301 and the left arm 304; positioning holes A are respectively formed in the two side walls of the gap bridge shell assembly 1, a chain harrow gap adjusting assembly 4 is arranged on the positioning holes A, and the inner side of the chain harrow gap adjusting assembly 4 is contacted with the two ends of the chain harrow tensioning mechanism assembly 3; the chain harrow clearance adjustment assembly 4 comprises a handle 401, a pin A403 and a limiting block 402, wherein the upper end of the limiting block 402 passes through a positioning hole A on the side surface of the gap bridge shell assembly 1 from inside to outside, and the limiting block 402 is rotatably fixed on the positioning hole A; a handle 401 is arranged at the penetrating end of the limiting block 402, the handle 401 is fixed by a pin A403, when the limiting block is arranged, the pin A403 penetrates through the compression spring 4.2 and then is arranged on the handle 401, and a circular ring is arranged at the top end of the pin A403; the handle 401 is positioned outside the gap bridge shell assembly 1; in the use process, when the chain harrow clearance needs to be adjusted, the circular ring is pulled upwards to pull out the pin A403, so that the handle 401 can rotate, and when the handle 401 is rotated, the handle drives the limiting block 402 to rotate, and the limiting blocks 402 on two sides respectively support the right arm 301 and the left arm 304; in the process, the contact track of the limiting block 402 with the right arm 301 and the left arm 304 is elliptical; after the adjustment is completed, the circular ring is loosened, the pin A403 is used for fixing the handle 401 again, and the free adjustment of the minimum gap between the chain harrow and the bridge bottom plate can be realized by using the method;
The two sides of the front end of the gap bridge shell assembly 1 are respectively provided with a left inclined frame assembly 7 and a right inclined frame assembly 7 which are symmetrical with each other; a front-rear inclined frame assembly 6 is arranged between the gap bridge shell assembly 1 and the left-right inclined frame assembly 7; the front and rear inclined frame assembly 6 is respectively connected with the gap bridge shell assembly 1 and the left and right inclined frame assembly 7; the front-rear inclined frame assembly 6 comprises a frame assembly 601, an oil cylinder assembly 602, a pin seat 604 and a shaft A605; the middle part of the frame assembly 601 is rotationally connected with the gap bridge shell assembly 1 through a bushing 603; the frame assembly 601 is connected to the axle housing assembly 1 using bolts and bushings 603; the front and rear inclined frame assembly 6 is arranged on the gap bridge shell assembly 1 through the bushing 603 and the bolt, and the front and rear inclined frame assembly 6 can freely rotate by taking the bushing 603 as a circle center; two sides of the upper end of the frame assembly 601 are respectively provided with a pin seat 604, and the pin seats 604 are connected with the pull rod assembly 5; the upper end of the frame assembly 601 is provided with an oil cylinder assembly 602, one end of the oil cylinder assembly 602 is arranged on the frame assembly 601, and the other end of the oil cylinder assembly 602 is connected with the left-right inclined frame assembly 7; two sides of the lower end of the frame assembly 601 are respectively provided with a shaft A605, the shaft A605 is fixed on the frame assembly 601, and the shaft A605 is connected with the lower ends of the left and right inclined frame assemblies 7;
The upper ends of the bridge passing shell assembly 1 and the front and rear inclined frame assembly 6 are provided with a pull rod assembly 5, and two ends of the pull rod assembly 5 are respectively connected with the bridge passing shell assembly 1 and the front and rear inclined frame assembly 6; the pull rod assembly 5 comprises a left adjusting rod 501, an adjusting rod 502 and a right adjusting rod 503; the adjusting rod 502 is a circular tube, the inner hole of the adjusting rod 502 is provided with threads, the left end of the adjusting rod 502 is in threaded connection with the left adjusting rod 501, and the right end of the adjusting rod 502 is in threaded connection with the right adjusting rod 503; in order to prevent the adjusting rod 502 and the right adjusting rod 503 from falling off due to vibration, a nut can be arranged on the right adjusting rod 503, and the adjusting rod 502 is tightly pressed by the nut so as to prevent the adjusting rod 503 from falling off due to vibration; similarly, if necessary, a nut may be disposed on the left adjusting rod 501 to prevent the adjusting rod 503 from falling off; the left end of the left adjusting rod 501 is connected with a pin seat 604 of the front and rear inclined frame assembly 6 through a pin shaft, and the right end of the right adjusting rod 503 is connected with the gap bridge shell assembly 1; in the use process, when front-back inclination adjustment is needed, firstly, the adjusting rod 502 is rotated to change the distance between the left adjusting rod 501 and the right adjusting rod 503, the frame assembly 601 rotates around the bushing 603, and the frame assembly 601 drives the left-right inclined frame assembly 7 to rotate, so that the front-back inclination angle of the feeding port of the bridge is changed, and the front-back inclination adjustment is completed; when the left-right inclination adjustment is required, the oil cylinder assembly 602 pushes and pulls the left-right inclination frame assembly 7 to rotate around the axis A605, so that the inclination angle of the left-right inclination frame assembly 7 is changed, and the left-right inclination adjustment is completed.
The application process of the utility model is as follows: before the harvester works, firstly, the gap bridge system is adjusted according to specific requirements; in order to enable the gap bridge to meet the requirements of smooth feeding of different crops, the gap between the chain harrows is adjusted, when the gap between the chain harrows is adjusted, the circular ring is pulled upwards to pull out the pin A403, the handle 401 is rotated, the handle drives the limiting block 402 to rotate, and the limiting blocks 402 on two sides respectively support the right arm 301 and the left arm 304, so that the minimum gap between the chain harrow and the gap bridge bottom plate is adjusted; when the front-back inclination adjustment of the bridge is needed, firstly, the adjusting rod 502 is rotated to change the distance between the left adjusting rod 501 and the right adjusting rod 503, at this time, the frame assembly 601 rotates around the bushing 603, and the frame assembly 601 drives the left-right inclined frame assembly 7 to rotate, so that the front-back inclination angle of the bridge feeding port is changed, and the front-back inclination adjustment is completed; when the left-right inclination adjustment is needed, the oil cylinder assembly 602 is started, so that the oil cylinder assembly 602 pushes and pulls the left-right inclination frame assembly 7 to rotate around the axis A605, the inclination angle of the left-right inclination frame assembly 7 is changed, and the left-right inclination adjustment is completed; when all adjustments are completed, the harvester is started to harvest.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
The utility model is not described in detail in the prior art.
Claims (5)
1. The utility model provides a harvester is with system of crossing a bridge, includes that crossing a bridge casing assembly (1), cross bridge conveying chain (2), chain harrow straining device assembly (3), chain harrow clearance adjustment assembly (4), pull rod closes piece (5), front and back tilting frame assembly (6) and control tilting frame assembly (7), characterized by: the front end of the gap bridge shell assembly (1) is provided with an opening, the left side and the right side in the opening are respectively connected with the chain harrow tensioning mechanism assembly (3), and the two ends of the chain harrow tensioning mechanism assembly (3) are respectively connected with a gap bridge conveying chain (2); the two sides of the front end of the gap bridge shell assembly (1) are respectively provided with a left inclined frame assembly (7), and the left inclined frame assembly (7) and the right inclined frame assembly (7) at the two sides are mutually symmetrical; a front-rear inclined frame assembly (6) is arranged between the gap bridge shell assembly (1) and the left-right inclined frame assembly (7); the front and rear inclined frame assembly (6) is respectively connected with the gap bridge shell assembly (1) and the left and right inclined frame assembly (7);
Positioning holes A are respectively formed in the two side walls of the gap bridge shell assembly (1), chain harrow gap adjusting assemblies (4) are mounted on the positioning holes A, and the inner sides of the chain harrow gap adjusting assemblies (4) are contacted with the two ends of the chain harrow tensioning mechanism assembly (3); the upper ends of the bridge passing shell assembly (1) and the front and rear inclined frame assembly (6) are provided with pull rod assemblies (5), and two ends of each pull rod assembly (5) are respectively connected with the bridge passing shell assembly (1) and the front and rear inclined frame assembly (6).
2. A gap bridge system for a harvester as in claim 1 wherein: the chain harrow tensioning mechanism assembly (3) comprises a right arm (301), a floating roller assembly (302), a tensioning mechanism (303) and a left arm (304); the tensioning mechanism (303) is connected with the gap bridge shell assembly (1), the right arm (301) is arranged on the left side of the tensioning mechanism (303), the left arm (304) is arranged on the right side of the tensioning mechanism (303), and the floating roller assembly (302) is arranged between the right arm (301) and the left arm (304).
3. A gap bridge system for a harvester as in claim 1 wherein: the chain harrow gap adjusting assembly (4) comprises a handle (401), a pin A (403) and a limiting block (402), wherein the upper end of the limiting block (402) passes through a positioning hole A on the side surface of the bridge housing assembly (1) from inside to outside, and the limiting block (402) is rotatably fixed on the positioning hole A; the handle (401) is arranged at the penetrating end of the limiting block (402), the handle (401) is fixed by the pin A (403), and the handle (401) is positioned at the outer side of the gap bridge shell assembly (1).
4. A gap bridge system for a harvester as in claim 1 wherein: the pull rod assembly (5) comprises a left adjusting rod (501), an adjusting rod (502) and a right adjusting rod (503); the adjusting rod (502) is a round tube, threads are arranged in an inner hole of the adjusting rod (502), the left end of the adjusting rod (502) is in threaded connection with the left adjusting rod (501), and the right end of the adjusting rod (502) is in threaded connection with the right adjusting rod (503); the left end of the left adjusting rod (501) is connected with the front-rear inclined frame assembly (6), and the right end of the right adjusting rod (503) is connected with the gap bridge shell assembly (1).
5. A gap bridge system for a harvester as in claim 1 wherein: the front-rear inclined frame assembly (6) comprises: a frame assembly (601), a cylinder assembly (602), a bushing (603), a pin boss (604) and a shaft A (605); the middle part of the frame assembly (601) is rotationally connected with the gap bridge shell assembly (1) through a bushing (603); two sides of the upper end of the frame assembly (601) are respectively provided with a pin seat (604), and the pin seats (604) are connected with the pull rod assembly (5); the upper end of the frame assembly (601) is provided with an oil cylinder assembly (602), one end of the oil cylinder assembly (602) is arranged on the frame assembly (601), and the other end of the oil cylinder assembly (602) is connected with a left-right inclined frame assembly (7); the two sides of the lower end of the frame assembly (601) are respectively provided with a shaft A (605), the shafts A (605) are fixed on the frame assembly (601), and the shafts A (605) are connected with the lower ends of the left and right inclined frame assemblies (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322701503.9U CN220830838U (en) | 2023-10-09 | 2023-10-09 | Gap bridge system for harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322701503.9U CN220830838U (en) | 2023-10-09 | 2023-10-09 | Gap bridge system for harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220830838U true CN220830838U (en) | 2024-04-26 |
Family
ID=90741481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322701503.9U Active CN220830838U (en) | 2023-10-09 | 2023-10-09 | Gap bridge system for harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220830838U (en) |
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2023
- 2023-10-09 CN CN202322701503.9U patent/CN220830838U/en active Active
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