CN111247891A - Quick replacement device and replacement method for bearing agricultural implement - Google Patents
Quick replacement device and replacement method for bearing agricultural implement Download PDFInfo
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- CN111247891A CN111247891A CN202010175670.2A CN202010175670A CN111247891A CN 111247891 A CN111247891 A CN 111247891A CN 202010175670 A CN202010175670 A CN 202010175670A CN 111247891 A CN111247891 A CN 111247891A
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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
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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
- A01B51/04—Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus drawn by animal or tractor
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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
- A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
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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
- A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
- A01B59/04—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines pulled or pushed by a tractor
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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
- A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
- A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Agricultural Machines (AREA)
Abstract
The invention discloses a quick replacement device and a replacement method for bearing agricultural implements, wherein the quick replacement device comprises an auxiliary frame, an agricultural implement chassis and telescopic support legs, the auxiliary frame is arranged on a rear frame of a tractor, the agricultural implements are arranged on the agricultural implement chassis, the chassis on which the agricultural implements are arranged is arranged on the auxiliary frame fixed with the rear frame of the tractor when in use, the agricultural implements can be smoothly arranged only by locking front and rear lock catches, when replacing other agricultural implements, the front and rear lock catches are only needed to be loosened, the agricultural implement chassis and the agricultural implements fixed on the agricultural implement chassis can be integrally lifted through the adjustment of the telescopic support legs, the replacement can be smoothly carried out, and when replacing other agricultural implements, the flow is the same, simple and convenient, and the labor and the materials are saved. The invention designs the mounting devices of different agricultural implements in a universal way, has mounting guide and quick locking mechanisms, is used by matching with the supporting legs, does not need to match with special fields and large tools, has simple replacement method and reduces the mounting difficulty and the mounting time.
Description
Technical Field
The invention relates to a quick replacement device and a replacement method for a bearing agricultural implement, belonging to the technical field of preparation of a matching device of the agricultural implement.
Background
The tractor needs to operate in the farmland, these operation forms are various, existing transfer the transportation operation of ordinary crops, also have the medicine spraying, watering, pump drainage, the fertilization operation that the plant protection needs, different operation forms must adopt different agricultural implement, have the material railway carriage or compartment, sprayer, watering device, pump drainage machine and fertilizer distributor corresponding to the agricultural implement of above-mentioned operation form, just so must bear different agricultural implement with the tractor and accomplish these operations. The existing tractor is provided with a bearing agricultural implement which is connected with the tractor through a bolt and a pin shaft. The mounting devices of different agricultural implements are different and not universal. One tractor is generally only matched with one kind of agricultural implement for use, and the tractor is special for special machine, and has high idle rate, low utilization rate and high use cost. The existing method for mounting agricultural implements on a tractor is to hoist or fork lift other large tools by a crane. The device is limited by the site and the tool conditions, and is not generally disassembled after being installed because the device is special, and the problem of quick replacement is not considered. This is a waste of agricultural resources. These problems have not attracted the attention of the agricultural machinery manufacturing industry for a long time, and form a technical dead angle. In fact, a quick replacement device of the farm implement on the tractor is designed, and the problem can be solved by finding out a corresponding quick replacement method. Therefore, the quick replacement method and the quick replacement device for the bearing agricultural machine are provided, so that a single tractor can be equipped with different agricultural machines, and the tractor has multiple purposes, and has positive significance for reducing the use cost of the agricultural machines.
Disclosure of Invention
The invention aims to provide a quick replacement device and a replacement method for bearing agricultural implements, which overcome the defect that the existing agricultural tractor and the agricultural implements can only be used by a special machine in a matched mode, solve the problem of quick replacement when the tractor bears the agricultural implements, and enable a single tractor to be equipped with different agricultural implements, so that the tractor has multiple purposes.
In order to achieve the purpose, the invention adopts the following technical measures that the quick replacement device for bearing the agricultural machine comprises an auxiliary frame, an agricultural machine underframe and telescopic support legs, wherein the auxiliary frame is of a rectangular frame-shaped structure, the front end of the auxiliary frame is a frame front cross beam, the rear end of the auxiliary frame is a frame rear cross beam, a frame left straight beam and a frame right straight beam are arranged between the frame front cross beam and the frame left straight beam, a positioning sleeve is arranged on the inner side surface of the frame front cross beam at the joint of the frame front cross beam and the frame left straight beam and the outer side surface of the frame left straight beam, a front limiting plate, a front lock catch 5, a rear limiting plate and a rear lock catch are sequentially arranged on the outer side surface of the frame left straight beam from front to back, and the structure arranged on the outer side surface of the frame right straight beam is the same as the;
the agricultural implement chassis is of a rectangular frame-shaped structure, the front end of the agricultural implement chassis is a chassis front cross beam, the rear end of the agricultural implement chassis is a chassis rear cross beam, a chassis left straight beam and a chassis right straight beam are arranged between the chassis front cross beam and the chassis left straight beam, a positioning pin is arranged on the inner side surface of the chassis front cross beam at the joint of the chassis front cross beam and the chassis left straight beam and the outer side surface of the bottom beam left straight beam, a front landing leg mounting sleeve, a front locking clasp, a rear landing leg mounting sleeve and a rear locking hook are sequentially arranged on the outer side surface of the bottom beam left straight beam from front to back, and the structure arranged on the outer side surface of the chassis right straight beam is the same as the structure;
the telescopic supporting leg comprises a supporting leg base, a supporting leg inner tube is connected with the supporting leg base, an inner tube nut is arranged at the top end of the supporting leg inner tube, the screw rod is matched with the inner pipe nut, the outer pipe of the landing leg is sleeved outside the inner pipe of the landing leg, the top end of the outer pipe of the landing leg is connected with a screw rod connecting shaft through a bearing, a lower bevel gear is fixed at the top end of the screw rod connecting shaft, a screw rod connecting shaft mounting plate is arranged at the top end of the outer pipe of the landing leg, a handle fixing seat is fixed on the screw rod connecting shaft mounting plate, two side surfaces of the handle fixing seat are sleeved with a rotating shaft of the landing leg handle through a left bushing, a handle used for shaking is arranged outside the handle fixing seat, a handle rotating shaft is arranged in the handle fixing seat, an upper bevel gear is fixed on the handle rotating shaft, the upper bevel gear is meshed with the lower bevel gear, the side edges of the handle fixing seats 15-15 opposite to the rocking handle are connected with supporting tubes on the supporting legs.
A quick replacement method for bearing agricultural implements comprises the following main technical steps:
(1) preparing an auxiliary frame, and fixing the auxiliary frame and a rear frame of a tractor together in a screw fixing mode or a welding mode;
(2) preparing an agricultural implement chassis, and fixing the agricultural implement chassis and the bottom of an agricultural implement together in a screw fixing mode or a welding mode;
(3) the auxiliary frame and the underframe of the agricultural implement are two mutually corresponding frame-shaped structures with the same size, and the underframe of the agricultural implement and the auxiliary frame can be fixed together by buckling the front lock catch, the rear lock catch, the front lock hook and the rear lock hook, so that the agricultural implement and the tractor are fixed together;
(4) when the agricultural implement is replaced on a tractor, the lifting equipment is matched with the telescopic supporting legs, the lifting equipment firstly lifts the agricultural implement fixed with an agricultural implement chassis to a height that the bottom is higher than that of the tractor fixed with an auxiliary frame, the four telescopic supporting legs are inserted into a front supporting leg mounting sleeve and a rear supporting leg mounting sleeve on the agricultural implement chassis through the upper supporting pipes to support the agricultural implement, then the tractor is driven to the lower part of the agricultural implement, the height of the telescopic supporting legs is adjusted to reduce the height of the agricultural implement, so that the agricultural implement chassis is matched with the auxiliary frame, and the agricultural implement chassis and the auxiliary frame are buckled through a front lock catch, a rear lock catch, a front lock catch and a rear lock catch, so that the replacement of the agricultural implement is completed;
(5) when replacing other agricultural implement on the basis of step (4), at first separate the preceding hasp and the preceding hasp hook of original lock, separate back hasp and back hasp hook, insert preceding landing leg installation sleeve pipe and back landing leg installation sleeve pipe on the agricultural implement chassis respectively through last stay tube by four flexible landing legs, the hoist mechanism on the flexible landing leg of adjustment, wholly promote agricultural implement and leave with the sub vehicle frame, when reaching the take the altitude, drive the tractor and leave, above-mentioned step combines with step (4) can put agricultural implement fast.
The invention adopting the measures, the replacement device consists of an auxiliary frame, an agricultural implement chassis and telescopic support legs, the auxiliary frame is arranged on a rear frame of the tractor, the agricultural implement chassis is provided with the agricultural implement, when in use, the chassis provided with the agricultural implement is arranged on the auxiliary frame fixed with the rear frame of the tractor, the agricultural implement can be smoothly arranged only by locking the front and rear lock catches, when replacing other agricultural implements, the front and rear lock catches are only needed to be loosened, the agricultural implement chassis and the agricultural implement fixed on the agricultural implement chassis can be integrally lifted through the adjustment of the telescopic support legs, the replacement can be smoothly carried out, when replacing other agricultural implements, the flow is the same, simple and convenient, labor and material are saved. The invention designs the mounting devices of different agricultural implements in a universal manner, designs the mounting guide and quick locking mechanism, is matched with the supporting legs for use, does not need special fields and large tools for matching, has simple replacement method, and reduces the mounting difficulty and the mounting time. A single tractor can be equipped with different agricultural implements, so that the utilization rate of the machine is improved, and the use cost is reduced.
Drawings
FIG. 1 is a schematic view of the construction of the subframe and undercarriage of an agricultural implement of the present invention;
FIG. 2 is a schematic side view of the subframe of the present invention assembled with an undercarriage of an agricultural implement;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the arrangement of the engagement of the locating pin and the locating sleeve of the present invention;
FIG. 5 is a schematic cross-sectional view B-B of FIG. 2 according to the present invention;
FIG. 6 is a schematic cross-sectional view of the C-C cross-section of FIG. 2 of the present invention;
FIG. 7 is a schematic view of the structure of the limiting plate of the invention cooperating with the bottom beam of the agricultural implement;
FIG. 8 is a schematic cross-sectional view D-D of FIG. 2 of the present invention;
FIG. 9 is a schematic view of the locking device and locking hook of the present invention;
FIG. 10 is a schematic view of the telescoping leg of the present invention;
FIG. 11 is an enlarged view of H of FIG. 10 of the present invention;
FIG. 12 is a schematic view of the present invention in combination with a tractor;
fig. 13 is a schematic view of the use state of the present invention.
The numbering in the above figures illustrates: tractor 1, auxiliary frame 2, frame front beam 2-1, frame rear beam 2-2, frame left straight beam 2-3, frame right straight beam 2-4, positioning sleeve 3, front limiting plate 4, front lock catch 5, rear limiting plate 6, rear lock catch 7, rear lock catch hook 8, rear leg mounting sleeve 9, agricultural implement 10, agricultural implement chassis 11, chassis front beam 11-1, chassis rear beam 11-2, chassis left straight beam 11-3, chassis right straight beam 11-4, front lock catch 12, front leg mounting sleeve 13, positioning pin 14, telescopic leg 15, leg handle 15-1, screw rod connecting shaft 15-2, inner tube nut 15-3, screw rod 15-4, leg outer tube 15-5, leg inner tube 15-6, leg base 15-7, leg upper support tube 15-8, the handle comprises a screw rod connecting shaft fixing clamp spring 15-9, a screw rod connecting shaft mounting plate 15-10, a lower bevel gear fixing screw 15-11, a lower bevel gear 15-12, a handle fixing clamp spring 15-13, a right bushing 15-14, a handle fixing seat 15-15, an upper bevel gear 15-16, an upper bevel gear fixing screw 15-17 and a left bushing 15-18.
Detailed Description
As shown in the attached drawings, the quick replacement device of the invention consists of an auxiliary frame 2 arranged on a rear frame of a tractor, an agricultural implement chassis 11 matched with the auxiliary frame and fixedly arranged with an agricultural implement 10, and a telescopic leg part 5. As shown in fig. 1 and 2, the subframe 2 is a rectangular frame-shaped structure, the front end of which is a frame front cross member 2-1, the rear end of which is a frame rear cross member 2-2, a left frame straight beam 2-3 and a right frame straight beam 2-4 are arranged between the two, the front frame cross beam 2-1 is longer than the rear frame cross beam 2-2, therefore, the front frame cross beam is protruded out of the left frame straight beam 2-3 and the right frame straight beam 2-4, a corner is formed between the inner side surface of the frame front cross beam 2-1 and the outer side surface of the frame left straight beam 2-3 at the joint of the frame front cross beam 2-1 and the frame left straight beam 2-3, at this corner, by means of welding, a positioning sleeve 3 is provided, as shown in figures 3 and 4, the positioning sleeve 3 is arranged to be matched with a positioning pin 14 on the agricultural implement chassis 11 for positioning the agricultural implement chassis 11 and the auxiliary frame 2. As shown in fig. 6, 7, 8 and 9, a front limiting plate 4, a front lock catch 5, a rear limiting plate 6 and a rear lock catch 7 are sequentially arranged on the outer side surface of the left straight beam 2-3 of the frame from front to back, the front lock catch 5 is arranged in the middle of the left straight beam 2-3 of the frame, the rear lock catch 7 is arranged at the rear end of the left straight beam 2-3 of the frame, the front limiting plate 4 is arranged in the middle of the positioning sleeve 3 and the front lock catch 5, and the rear limiting plate 6 is arranged in the middle of the front lock catch 5 and the rear lock catch 7. The front limiting plate 4 and the rear limiting plate 6 are used for limiting the agricultural implement chassis 11, and the front lock catch 5 and the rear lock catch 7 are matched with the front lock catch hook 12 and the rear lock catch hook 8 on the agricultural implement chassis 11 respectively to lock the agricultural implement chassis 11 and the auxiliary frame 2. The front lock catch 5, the rear lock catch 7, the front lock clasp 12 matched with the front lock catch and the rear lock clasp hook 8 are all commercial commodities sold in a set, and the commercial commodities are named as hasps. The structures of the positioning sleeve, the front lock catch, the rear lock catch, the front limiting plate and the rear limiting plate arranged on the outer side surface of the right straight beam 2-4 of the frame are completely the same as the structures arranged on the outer side surface of the left straight beam 2-3 of the frame, and are not described again.
As shown in figures 1 and 2, the underframe 11 of the agricultural implement is a rectangular frame structure, the front end of the underframe is an underframe front cross beam 11-1, the rear end of the underframe is an underframe rear cross beam 11-2, a left straight beam 11-3 of the underframe and a right straight beam 11-4 of the underframe are arranged between the left straight beam and the right straight beam, the front cross beam 11-1 of the underframe is longer than the rear cross beam 11-2 of the underframe, therefore, the left straight beam 11-3 and the right straight beam 11-4 of the underframe are protruded, a corner is formed between the inner side surface of the front cross beam 11-1 of the underframe and the outer side surface of the left straight beam 11-3 of the underframe at the joint of the front cross beam 11-1 of the underframe and the left straight beam 11-3 of the underframe, at this corner, by means of welding, a positioning pin 14 is provided as shown in figures 3 and 4, the positioning pin 14 is arranged to cooperate with the positioning sleeve 3 on the subframe 2 for positioning the undercarriage 11 of the agricultural implement with the subframe 2. As shown in fig. 1 and 5, a front leg mounting sleeve 13, a front locking clasp 12, a rear leg mounting sleeve 9 and a rear locking hook 8 are sequentially arranged on the outer side surface of the bottom beam left straight beam 11-3 from front to back. The position that preceding lock clasp 12 set up is the position that corresponds with preceding hasp 5 on the sub vehicle frame 2, and the position that back hasp hook 8 set up is the position that corresponds with back hasp 7 on the sub vehicle frame 2, and the position that preceding leg installation sleeve 13 set up is the intermediate position between locating sleeve 3 and preceding limiting plate 4 on the corresponding sub vehicle frame 2, and the position that back leg installation sleeve 9 set up is the intermediate position between back limiting plate 6 and the back hasp 7 on the corresponding sub vehicle frame 2. The front supporting leg mounting sleeve 13 and the rear supporting leg mounting sleeve 9 are matched with the telescopic supporting legs 15, the supporting tubes 15-8 on the supporting legs on the telescopic supporting legs 15 are inserted, and the agricultural implement chassis 11 fixed with the agricultural implement 10 is integrally lifted or lowered through the work of the telescopic supporting legs 15, so that the agricultural implement 10 can be mounted or dismounted conveniently. The structures of the front leg mounting sleeve, the rear leg mounting sleeve, the front lock clasp and the rear lock clasp arranged on the outer side surface of the right straight beam 11-4 of the underframe are completely the same as the structures arranged on the outer side surface of the left straight beam 11-3 of the underframe, and are not described again.
As shown in fig. 10 and 11, the telescopic leg part 15 includes a leg base 15-7, a leg inner tube 15-6 connected to the leg base 15-7 is a cylindrical structure, an inner tube nut 15-3 is provided at the top end of the leg inner tube 15-6, a screw rod 15-4 is provided to cooperate with the inner tube nut 15-3, the screw rod 15-4 can rotate in the inner tube nut 15-3, and the screw rod 15-4 is raised or lowered upward along with the forward and backward rotation of the screw rod 15-4 in the inner tube nut 15-3. The outer tube 15-5 of the landing leg is sleeved outside the inner tube 15-6 of the landing leg, the top end of the outer tube 15-5 of the landing leg is provided with a screw rod connecting shaft mounting plate 15-10 which is connected with a screw rod connecting shaft 15-2 through a bearing, the screw rod connecting shaft 15-2 can rotate in the bearing, the top end of the screw rod connecting shaft 15-2 is connected with a lower bevel gear 15-12, the lower bevel gear and the screw rod connecting shaft are fastened by a lower bevel gear fixing screw 5-11, the lower end of the screw rod connecting shaft 15-2 is fastened with the upper end of a screw rod 15-4, and the screw rod 15-4 is driven to rotate by the rotation. A handle fixing seat 15-15 is further fixed on the screw rod connecting shaft mounting plate 15-10, the two side surfaces of the handle fixing seat 15-15 are sleeved on the rotating shaft of the leg support handle 15-1 through a left bushing 15-18 and a right bushing 15-14, the leg support handle 15-1 can rotate on the left bushing 15-18 and the right bushing 15-14, the leg support handle 15-1 is divided into two parts, a handle for shaking is arranged outside the handle fixing seat 15-15, a handle rotating shaft is arranged in the handle fixing seat 15-15, an upper bevel gear 15-16 is fixed on the handle rotating shaft through an upper bevel gear fixing screw 15-17, the upper bevel gear 15-16 is meshed with a lower bevel gear 15-12, a leg support upper support pipe 15-8 is connected to the side edge of the handle fixing seat 15-15 opposite to the shaking handle, and the leg support pipe 15-8 is inserted into and behind a front leg mounting sleeve 13 on the farm implement underframe 11 when the leg support pipe 15-8 works The leg is installed in the casing 9, and is lifted or lowered by the operation of the telescopic legs 15. The outer tube 15-5 of the supporting leg, the handle fixing seat 15-15 and the upper supporting tube 15-8 of the supporting leg are integrated, and the three parts synchronously rise or fall. When the telescopic supporting leg 15 works, a supporting leg handle 15-1 is shaken, a handle rotating shaft drives an upper bevel gear 15-16 to rotate, an upper bevel gear 15-16 is meshed with a lower bevel gear 15-12 to drive a lower bevel gear 15-12 to rotate, a lower bevel gear 15-12 drives a screw rod connecting shaft 15-2 to rotate, the screw rod connecting shaft 15-2 drives a screw rod 15-4 to rotate, and the rotation of the screw rod 15-4 enables an outer supporting leg tube 15-5, a handle fixing seat 15-15 and an upper supporting leg tube 15-8 to integrally lift or descend, so that the lifting and descending of the upper supporting leg tube 15-8 are finally controlled.
The quick replacement method comprises the following main technical steps:
(1) preparing an auxiliary frame 2, wherein the auxiliary frame 2 is of a square frame structure, a frame front cross beam 2-1, a frame rear cross beam 2-2, a frame left straight beam 2-3 and a frame right straight beam 2-4 are formed by welding, in order to reinforce the strength, a reinforcing cross beam is further welded between the frame left straight beam 2-3 and the frame right straight beam 2-4 as shown in figure 1, and a positioning sleeve 3, a front limiting plate 4, a front lock catch 5, a rear limiting plate 6 and a rear lock catch 7 which are arranged on the frame left straight beam 2-3 and the frame right straight beam 2-4 are also fixed in a welding mode; fixing the auxiliary frame 2 and the rear frame of the tractor 1 together in a screw fixing mode or a welding mode;
(2) preparing an agricultural implement underframe 11, wherein the agricultural implement underframe 11 is also of a square frame structure, and is formed by welding a front underframe beam 11-1, a rear underframe beam 11-2, a left underframe beam 11-3 and a right underframe beam 11-4, and is also provided with a reinforcing crossbeam; fixing the bottom frame 11 of the agricultural implement and the bottom of the agricultural implement 10 together in a screw fixing mode or a welding mode;
(3) the auxiliary frame 2 and the agricultural implement underframe 11 are of two mutually corresponding frame-shaped structures and have the same size, the front underframe crossbeam 11-1, the rear underframe crossbeam 11-2, the left underframe straight beam 11-3, the right underframe straight beam 11-4 and the front frame crossbeam 2-1, the rear frame crossbeam 2-2, the left frame straight beam 2-3 and the right frame straight beam 2-4 of the auxiliary frame 2 correspond to each other in a one-to-one mode and have the same size. When the tractor is installed, the auxiliary frame 2 is firstly fixed with the rear beam of the tractor 1 through screws. Similarly, the agricultural implement chassis 11 is fixed with the bottom of the agricultural implement 10 by screws or welding, and the agricultural implement 10 is hoisted to the tractor 1 by using a hoisting device, and at this time, so that a frame front cross beam 11-1, a frame rear cross beam 11-2, a frame left straight beam 11-3, a frame right straight beam 11-4 on the agricultural implement underframe 11 correspond to a frame front, cross beam 2-1, a frame rear cross beam 2-2, a frame left straight beam 2-3 and a frame right straight beam 2-4 on the auxiliary frame 2 one by one, a positioning pin 14 on the agricultural implement underframe 11 is inserted into a positioning sleeve 3 on the auxiliary frame 2, the front lock catch 5 and the rear lock catch 7 on the auxiliary frame 2 are respectively buckled with the front lock clasp 12 and the rear lock catch hook 8 on the agricultural implement chassis 11, so that the agricultural implement chassis 11 and the auxiliary frame 2 can be fixed, and the agricultural implement 10 and the tractor 1 are fixed together as shown in fig. 12.
(4) When an agricultural implement 10 is replaced on a tractor 1, a lifting device is matched with telescopic supporting legs 15, the lifting device firstly lifts the agricultural implement 10 fixed with an agricultural implement underframe 11 to a height that the bottom is higher than that of the tractor 1 fixed with an auxiliary frame 2, the four telescopic supporting legs 15 are inserted into a front supporting leg mounting sleeve 13 and a rear supporting leg mounting sleeve 9 on the agricultural implement underframe 11 through supporting tubes 15-8 on the supporting legs to support the agricultural implement 10, then the tractor 1 is driven to the lower part of the agricultural implement 10, a supporting leg handle 15-1 is shaken to adjust the overall height of the telescopic supporting legs 15, the height of the agricultural implement 10 is reduced, the agricultural implement underframe 11 is matched with the auxiliary frame 2, and the agricultural implement underframe 11 and the auxiliary frame 2 are buckled with a front lock catch 5, a rear lock catch 7, a front lock catch 14 and a rear lock catch hook 8 to finish the replacement of the agricultural implement 10, as shown in fig. 13;
(5) when replacing another agricultural implement 10 on the basis of the above steps, firstly, the original buckled front lock catch 5 is separated from the front lock catch 14, the back lock catch 7 is separated from the back lock catch hook 8, the four telescopic supporting legs 15 are respectively inserted into the front supporting leg mounting sleeve 13 and the back supporting leg mounting sleeve 9 on the agricultural implement chassis 11 through the supporting tubes 15-8 on the supporting legs, the supporting leg handles 15-1 are shaken to adjust the telescopic supporting legs 15 to rise, the agricultural implement 10 is integrally lifted and separated from the auxiliary frame 2, as shown in fig. 13, when the agricultural implement 10 reaches a certain height, the tractor 1 is driven to separate. When other agricultural implement 10 need be replaced, drive tractor 1 and promoted below the agricultural implement 10 that satisfies the required height by telescopic leg 15, through the work of telescopic leg 15 hoist mechanism, descend agricultural implement 10 for agricultural implement chassis 11 is corresponding to sub vehicle frame 2, buckles preceding hasp 5, back hasp 7 respectively and to lock preceding hasp clasp 12 and back hasp hook 8 and can be fixed agricultural implement 10 with sub vehicle frame 2, just also can replace other agricultural implement 10 fast.
Claims (4)
1. A quick replacement device for bearing agricultural implements comprises an auxiliary frame (2), an agricultural implement chassis (11) and telescopic legs (15), and is characterized in that the auxiliary frame (2) is of a rectangular frame-shaped structure, the front end of the auxiliary frame is a frame front cross beam (2-1), the rear end of the auxiliary frame is a frame rear cross beam (2-2), a frame left straight beam (2-3) and a frame right straight beam (2-4) are arranged between the frame front cross beam (2-1) and the frame left straight beam (2-3), a positioning sleeve (3) is arranged on the inner side surface of the frame front cross beam (2-1) and the outer side surface of the frame left straight beam (2-3) at the joint of the frame front cross beam (2-1) and the frame left straight beam (2-3), a front limiting plate (4), a front lock catch (5), a rear limiting plate (6) and a rear lock catch (7) are sequentially arranged on the outer side surface of the frame left straight beam (, the structure arranged on the outer side surface of the right straight beam (2-4) of the frame is the same as the structure arranged on the outer side surface of the left straight beam (2-3) of the vehicle beam;
the agricultural implement chassis (11) is a rectangular frame structure, the front end is a chassis front cross beam (11-1), the rear end is a chassis rear cross beam (11-2), a left straight beam (11-3) of the underframe and a right straight beam (11-4) of the underframe are arranged between the two, a positioning pin (14) is arranged on the inner side surface of the front cross beam (11-1) of the underframe and the outer side surface of the left straight beam (11-3) of the bottom beam at the joint of the front cross beam (11-1) of the underframe and the left straight beam (11-3) of the underframe, a front leg mounting sleeve (13), a front locking clasp (12), a rear leg mounting sleeve (9) and a rear locking clasp (8) are sequentially arranged on the outer side surface of the bottom beam left straight beam (11-3) from front to back, and the structure arranged on the outer side surface of the bottom frame right straight beam (11-4) is the same as that arranged on the outer side surface of the bottom beam left straight beam (11-3);
the telescopic landing leg (15) comprises a landing leg base (15-7), a landing leg inner tube (15-6) is connected with the landing leg base (15-1), an inner tube nut (15-3) is arranged at the top end of the landing leg inner tube (15-6), a screw rod (15-4) is matched with the inner tube nut (15-3), a landing leg outer tube (15-5) is sleeved outside the landing leg inner tube (15-6), the top end of the landing leg outer tube (15-5) is connected with a screw rod connecting shaft (15-2) through a bearing, a lower bevel gear (15-12) is fixed at the top end of the screw rod connecting shaft (15-2), a screw rod connecting shaft mounting plate (15-10) is arranged at the top end of the landing leg outer tube (15-5), and a handle fixing seat (15-15) is fixed on the screw rod connecting, two side surfaces of the handle fixing seat (15-15) are sleeved with rotating shafts of the supporting leg handle (15-1) through a left bushing (5-18) and a right bushing (5-14), the supporting leg handle (15-1) is divided into two parts, a handle for shaking is arranged outside the handle fixing seat (15-15), a handle rotating shaft is arranged in the handle fixing seat (15-15), an upper bevel gear (15-17) is fixed on the handle rotating shaft, the upper bevel gear (15-17) is meshed with a lower bevel gear (15-12), and a supporting leg upper supporting pipe (15-8) is connected to the side edge of the handle fixing seat (15-15) opposite to the shaking handle.
2. The quick replacement device for bearing agricultural implements according to claim 1, wherein the front lock catch (5) is located in the middle of the left straight beam (2-3) of the frame, the rear lock catch (7) is located at the rear end of the left straight beam (2-3) of the frame, the front limiting plate (4) is located in the middle of the positioning sleeve (3) and the front lock catch (5), and the rear limiting plate (6) is located in the middle of the front lock catch (5) and the rear lock catch (7).
3. The quick replacement device for bearing agricultural implements as defined in claim 1, wherein the front lock hook (12) is disposed at a position corresponding to the front lock catch (5) on the subframe (2), the rear lock hook (8) is disposed at a position corresponding to the rear lock catch (7) on the subframe (2), the front leg mounting sleeve (13) is disposed at a position corresponding to the middle position between the positioning sleeve (3) and the front limiting plate (4) on the subframe (2), and the rear leg mounting sleeve (9) is disposed at a position corresponding to the middle position between the rear limiting plate (6) and the rear lock catch (7) on the subframe (2).
4. The method of claim 1, comprising the following main technical steps:
preparing an auxiliary frame (2), and fixing the auxiliary frame (2) and a rear frame of a tractor (1) together in a screw fixing mode or a welding mode;
secondly, preparing an agricultural implement chassis (11), and fixing the agricultural implement chassis (11) and the bottom of an agricultural implement (10) together in a screw fixing mode or a welding mode;
thirdly, the auxiliary frame (2) and the agricultural implement chassis (11) are two mutually corresponding frame-shaped structures, the sizes of the frame-shaped structures are the same, the agricultural implement chassis (11) and the auxiliary frame (2) are buckled through the front lock catch (5), the rear lock catch (7), the front lock hook (14) and the rear lock hook (8), and then the agricultural implement chassis (11) and the auxiliary frame (2) can be fixed together, so that the agricultural implement (10) and the tractor (1) are fixed together;
when the agricultural implement (10) is replaced on the tractor (1), the lifting device is matched with the telescopic supporting legs (15), the lifting device firstly lifts the agricultural implement (10) fixed with the agricultural implement chassis (11) to a height with the bottom higher than that of the tractor (1) fixed with the auxiliary frame (2), the four telescopic supporting legs (15) are inserted into a front supporting leg mounting sleeve (13) and a rear supporting leg mounting sleeve (9) on the agricultural implement chassis (11) through supporting tubes (15-8) on the supporting legs to support the agricultural implement (10), then the tractor (1) is driven to the lower part of the agricultural implement (10), the height of the telescopic supporting legs (15) is adjusted, the height of the agricultural implement (10) is reduced, the agricultural implement chassis (11) is matched with the auxiliary frame (2), and the agricultural implement chassis (11) and the auxiliary frame (2) are matched with each other through a front lock catch (5), a rear lock catch (7) and a front lock catch (14), The replacement of the agricultural implement (10) is completed by buckling the rear locking hook (8);
and (V) when replacing another agricultural implement (11) on the basis of the step (IV), firstly separating the front lock catch (5) and the front lock clasp (14) which are buckled originally, separating the rear lock catch (7) and the rear lock clasp (8), respectively inserting the front support leg mounting sleeve (13) and the rear support leg mounting sleeve (9) on the agricultural implement chassis (11) through the support tubes (15-8) on the four telescopic support legs (15), adjusting the lifting mechanisms on the telescopic support legs (15), integrally lifting the agricultural implement (10) to be separated from the auxiliary frame (2), and driving the tractor (1) to be separated when the height reaches a certain height, wherein the step (IV) is combined with the step (IV) to quickly arrange the agricultural implement (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010175670.2A CN111247891A (en) | 2020-03-13 | 2020-03-13 | Quick replacement device and replacement method for bearing agricultural implement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010175670.2A CN111247891A (en) | 2020-03-13 | 2020-03-13 | Quick replacement device and replacement method for bearing agricultural implement |
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| Publication Number | Publication Date |
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| CN111247891A true CN111247891A (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010175670.2A Pending CN111247891A (en) | 2020-03-13 | 2020-03-13 | Quick replacement device and replacement method for bearing agricultural implement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111903655A (en) * | 2020-06-30 | 2020-11-10 | 农业农村部南京农业机械化研究所 | Multifunctional field management robot capable of quickly disassembling and replacing machines |
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