Header lifting locking device of crop harvester

Abstract

The utility model discloses a crop harvester header lifting locking device which comprises a vehicle body, fixing bolts are installed on the edge of the outer wall of a fixing block and the edge of the outer wall of a supporting frame in an inserted mode, a splicing buckling groove is formed in the edge of one side of the upper end of a header, and a second locking rotary knob is installed on the outer wall of the splicing buckling groove in an inserted mode. A rotating screw rod is inserted in the center positions of the two sides of the outer wall of the header, a rotating lantern ring is installed on the outer wall of the rotating screw rod in a sleeving mode, a supporting sleeve is fixedly connected to one side of the rotating lantern ring, a first locking rotary knob is installed at the upper end of one side of the supporting sleeve, and a threaded column is rotatably inserted in the inner wall of the supporting sleeve; the lower ends of the threaded columns are fixedly connected with supporting foot pads. According to the lifting locking device for the header of the crop harvester, the header, the fixing block and the supporting frame can be locked, fixed and dragged through the splicing buckling groove and the second locking rotary knob, the header can be supported in an auxiliary mode through the supporting sleeve, the supporting foot pad and the threaded column, the lifting locking effect is better, and use is safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field, concretely is a kind of crop harvester header lifting locking device. BACKGROUND

[0002] When the bottom component of harvester or front axle is damaged, the header needs to be lifted, so that maintenance personnel can enter the underneath of the header for maintenance. One header lifting oil cylinder is arranged at each end of the header, and the piston rod of the header lifting oil cylinder extends outward to lift the header weighing up to 0.6 tons-1.2 tons. At this time, if the hydraulic system of the harvester suddenly fails, the pressure of the lifting oil cylinder suddenly decreases, and then the header abnormally falls, which seriously threatens the life safety of the maintenance personnel below the header.

[0003] The existing CN102550218A harvester header lifting locking device is arranged on the rod seat hinge lug on the underside of the harvester, which is small in structure and very convenient to use, does not need to use a crane to suspend and hoist the harvester, and does not need a specially made steel frame to support the harvester, and the use cost is low. However, the device still has some deficiencies. The existing device has a single locking structure, poor stability, and insufficient safety, which may cause hidden dangers, and thus a crop harvester header lifting locking device is needed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a crop harvester header lifting locking device to solve the problems of the single locking structure, poor stability, insufficient safety and potential hazards of the CN102550218A harvester header lifting locking device mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a crop harvester header lifting locking device, comprising a vehicle body, wheels are installed at the lower ends of the two sides of the vehicle body, and a header is installed on the front side of the vehicle body. A lifting arm is installed on the front side of the vehicle body by turning over, and the front side of the lifting arm is fixedly connected with the header. A splicing plug is fixedly connected with the edge of the upper end of the front side of the vehicle body perpendicularly, and a fixed block and a support frame are respectively fitted and installed on the outer wall of the splicing plug. The fixed block is fixedly connected with the support frame, and a splicing slot is formed in the inner side edge of the fixed block and the support frame. The splicing plug and the splicing slot are inserted and installed. Fixed bolts are inserted and installed on the outer wall edge of the fixed block and the support frame. A splicing buckle slot is formed in the outer wall of one side of the upper end of the header, and a second locking knob is inserted and installed on the outer wall of the splicing buckle slot. A rotating screw rod is inserted and installed at the center position of the outer wall of the header, and a rotating sleeve ring is fitted and installed on the outer wall of the rotating screw rod. A support sleeve is fixedly connected on one side of the rotating sleeve ring, and a first locking knob is installed on the upper end of one side of the support sleeve. A threaded column is rotatably inserted and installed in the inner wall of the support sleeve, and a support foot pad is fixedly connected with the lower end of the threaded column.

[0006] Preferably, the cutting platform is installed in position by inserting the splicing buckle groove into the fixing block, and the shape of the inner wall of the splicing buckle groove matches the shape of one end of the fixing block.

[0007] Preferably, the fixing block is fixedly installed on the vehicle body by the support frame.

[0008] Preferably, the fixing block and the support frame are installed in position by inserting the splicing insertion block and the splicing insertion groove into the vehicle body, and the splicing insertion block and the splicing insertion groove are in matched I-shaped structures, and the fixing block and the support frame are fixedly installed on the splicing insertion block by the fixing bolt.

[0009] Preferably, the support sleeve, the support foot pad and the threaded column are lockingly spliced with the cutting platform by the rotating sleeve ring, and the support sleeve, the support foot pad and the threaded column are rotationally connected with the cutting platform by the rotating sleeve ring.

[0010] Preferably, the support sleeve, the support foot pad and the threaded column are lockingly fixed with the cutting platform by the first locking knob, and the support foot pad is rotationally and liftingly connected with the support sleeve by the threaded column, and the lower end of the support foot pad is in a non-slip pattern structure.

[0011] Compared with the prior art, the crop harvester cutting platform lifting and locking device has the advantages that the cutting platform can be lockingly and fixedly pulled with the fixing block and the support frame by the splicing buckle groove and the second locking knob, and the cutting platform can be assisted to be supported by the support sleeve, the support foot pad and the threaded column, so that the lifting and locking effect is better and the use is safer. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the crop harvester cutting platform lifting and locking device.

[0013] Figure 2 It is a schematic view of the internal structure of the crop harvester cutting platform lifting and locking device.

[0014] Figure 3 It is a crop harvester cutting platform lifting and locking device. Figure 2 It is an enlarged view of position A.

[0015] Figure 4 It is a crop harvester cutting platform lifting and locking device. Figure 2 It is an enlarged view of position B.

[0016] Figure 5 It is a crop harvester cutting platform lifting and locking device. Figure 2 It is an enlarged view of position C.

[0017] In the figure: 1, the vehicle body, 2, the wheel, 3, the lifting arm, 4, the header, 5, the fixed block, 6, the support frame, 7, the support sleeve, 8, the support foot pad, 9, the threaded column, 10, the rotating sleeve ring, 11, the first locking knob, 12, the rotating screw, 13, the splicing buckle groove, 14, the second locking knob, 15, the fixed bolt, 16, the splicing plug block, 17, the splicing slot. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of crop harvester header elevating locking device, including vehicle body 1, wheel 2, lifting arm 3, header 4, fixed block 5, support frame 6, support sleeve 7, support foot pad 8, threaded column 9, rotating sleeve ring 10, first locking knob 11, rotating screw 12, splicing buckle groove 13, second locking knob 14, fixed bolt 15, splicing plug block 16 and splicing slot 17, vehicle body 1 lower end both sides are installed with wheel 2, and vehicle body 1 front side is installed with header 4, header 4 is limit insertion and is installed with fixed block 5 by splicing buckle groove 13, and the shape of the inner wall of splicing buckle groove 13 is matched with the shape of one end of fixed block 5, fixed block 5 is locked and fixedly connected with header 4 by second locking knob 14, so that header 4 is inserted and locked with fixed block 5 and is fixed, and is locked and stable.

[0020] Vehicle body 1 front side is installed with lifting arm 3 by overturning, and lifting arm 3 front side is fixedly connected with header 4, and the upper end edge of vehicle body 1 front side is vertically fixedly connected with splicing plug block 16, and fixed block 5 and support frame 6 are respectively fitted and installed on the outer wall of splicing plug block 16, and fixed block 5 is fixedly installed with vehicle body 1 by support frame 6, so that fixed block 5 can be more stably supported by support frame 6, and fixed block 5 and support frame 6 are limit insertion and splicing installation with vehicle body 1 by splicing plug block 16 and splicing slot 17, and splicing plug block 16 and splicing slot 17 are matched I-shaped structure, and fixed block 5 and support frame 6 are bolted and installed with splicing plug block 16 by fixed bolt 15, so that fixed block 5 and support frame 6 are conveniently independently spliced and disassembled, and are conveniently adapted and replaced, and are convenient to use.

[0021] The fixed block 5 is fixedly connected with the support frame 6, and the inner side edges of the fixed block 5 and the support frame 6 are provided with splicing insertion grooves 17, the splicing insertion blocks 16 are insertedly installed in the splicing insertion grooves 17, the outer wall edges of the fixed block 5 and the support frame 6 are insertedly installed with the fixed bolts 15, the upper end of one side edge of the cutting table 4 is provided with a splicing buckle groove 13, and the outer wall of the splicing buckle groove 13 is insertedly installed with the second locking knob 14; the outer wall of both sides of the cutting table 4 is insertedly installed with the rotating screw rods 12, and the outer wall of the rotating screw rod 12 is sleevedly installed with the rotating sleeve ring 10; one side of the rotating sleeve ring 10 is fixedly connected with the support sleeve 7, and the first locking knob 11 is installed on the upper end of one side of the support sleeve 7; the support sleeve 7, the support foot pad 8 and the threaded column 9 are lockedly splicedly installed in the rotating sleeve ring 10 through the rotating screw rod 12 and the cutting table 4, and the support sleeve 7, the support foot pad 8 and the threaded column 9 are rotatably connected with the cutting table 4 through the rotating sleeve ring 10, so that the support sleeve 7, the support foot pad 8 and the threaded column 9 can be conveniently and quickly disassembled and assembled, and can be rotatably adjusted.

[0022] The support sleeve 7, the support foot pad 8 and the threaded column 9 are fixedly connected with the cutting table 4 through the first locking knob 11, and the support foot pad 8 is rotatably and liftably connected with the support sleeve 7 through the threaded column 9; the lower end of the support foot pad 8 is provided with an anti-skid pattern structure, so that the support sleeve 7, the support foot pad 8 and the threaded column 9 can be assisted to support and can be liftably adjusted, and the locking is more stable and safer; the threaded column 9 is rotatably insertedly installed in the inner wall of the support sleeve 7, and the lower end of the threaded column 9 is fixedly connected with the support foot pad 8.

[0023] Working principle: when the cutting table lifting and locking device of the crop harvester is used, the device is assembled and installed first, and then the cutting operation can be performed through the cutting table 4; when maintenance is needed, the cutting table 4 can be lifted through the lifting arm 3, so that the fixed block 5 is inserted into the splicing buckle groove 13 on the cutting table 4, then the second locking knob 14 is locked and fixed, then the rotating sleeve ring 10 is used to overturn the support sleeve 7, the support foot pad 8 and the threaded column 9 downwardly and perpendicularly to the ground, then the support foot pad 8 is rotated and moved downwardly through the threaded column 9 and is pressed and fixed to the ground, then the support sleeve 7 is locked and fixed with the cutting table 4 through the first locking knob 11 to form auxiliary support; when the fixed block 5 and the support frame 6 are damaged, they can be independently disassembled and replaced through the splicing insertion block 16 and the splicing insertion groove 17; when the support sleeve 7, the support foot pad 8 and the threaded column 9 need to be replaced, they can be rotatably disassembled and replaced through the rotating screw rod 12, which is the use process of the cutting table lifting and locking device of the crop harvester.

[0024] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A crop harvester header lifting locking device, comprising a vehicle body (1), the lower ends of both sides of the vehicle body (1) are provided with wheels (2), and the front side of the vehicle body (1) is provided with a header (4), characterized in that: The front side of the vehicle body (1) is provided with a lifting arm (3), and the front side of the lifting arm (3) is fixedly connected with a header (4); a splicing plug block (16) is vertically and fixedly connected to the upper end edge of the front side of the vehicle body (1), and the outer wall of the splicing plug block (16) is respectively sleeved with a fixed block (5) and a support frame (6); the fixed block (5) and the support frame (6) are fixedly connected, and the inner side edges of the fixed block (5) and the support frame (6) are provided with splicing slots (17); the splicing plug block (16) is insertedly installed in the splicing slots (17); the outer wall edges of the fixed block (5) and the support frame (6) are insertedly installed with fixed bolts (15); the upper end side edge of the header (4) is provided with a splicing buckle slot (13), and the outer wall of the splicing buckle slot (13) is insertedly installed with a second locking knob (14); the outer wall of the header (4) is insertedly installed with rotary screws (12) at the center positions of the two sides, and the outer wall of the rotary screw (12) is sleeved with a rotary sleeve ring (10); one side of the rotary sleeve ring (10) is fixedly connected with a support sleeve (7), and the upper end of one side of the support sleeve (7) is installed with a first locking knob (11); a threaded column (9) is rotatably insertedly installed in the inner wall of the support sleeve (7), and the lower end of the threaded column (9) is fixedly connected with a support foot pad (8).

2. A crop harvester header raising locking device according to claim 1, characterized in that: The header (4) is limitingly insertedly installed with the fixed block (5) through the splicing buckle slot (13), and the shape of the inner wall of the splicing buckle slot (13) matches the shape of one end of the fixed block (5).

3. A crop harvester header raising locking device according to claim 2, characterized in that: The fixed block (5) is supportingly and fixedly installed with the vehicle body (1) through the support frame (6).

4. A crop harvester header raising locking device according to claim 3, characterized in that: The fixed block (5) and the support frame (6) are limitingly and insertedly splicedly installed with the vehicle body (1) through the splicing plug block (16) and the splicing slots (17), and the splicing plug block (16) and the splicing slots (17) are matched H-shaped structures; the fixed block (5) and the support frame (6) are boltedly installed with the splicing plug block (16) through the fixed bolts (15).

5. A crop harvester header raising locking device according to claim 4, characterized in that: The support sleeve (7), the support foot pad (8) and the threaded column (9) are lockingly and splicedly installed with the header (4) in the rotary sleeve ring (10) through the rotary screw (12), and the support sleeve (7), the support foot pad (8) and the threaded column (9) are rotatably connected with the header (4) through the rotary sleeve ring (10).

6. A crop harvester header raising locking device according to claim 5, characterized in that: The support sleeve (7), the support foot pad (8) and the threaded column (9) are lockingly and fixedly connected with the header (4) through the first locking knob (11), and the support foot pad (8) is rotatably and liftably connected with the support sleeve (7) through the threaded column (9); the lower end of the support foot pad (8) is provided with an anti-skid pattern structure.

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