CN111316813A

CN111316813A - Movable second grade corn ear lift conveyer

Info

Publication number: CN111316813A
Application number: CN202010178626.7A
Authority: CN
Inventors: 李良刚; 李永学; 金玉凤
Original assignee: Individual
Current assignee: Heilongjiang Agricultural Machinery Engineering Research Institute
Priority date: 2020-03-14
Filing date: 2020-03-14
Publication date: 2020-06-23
Anticipated expiration: 2040-03-14
Also published as: CN111316813B

Abstract

A movable two-stage corn ear lift conveyer belongs to agricultural machinery, is mainly applied to a tractor backpack corn harvester, is assembled on the rear right side of the tractor, and carries out secondary conveying on an ear transport vehicle which carries out synchronous operation after peeling corn ears. The movable second-stage corn ear elevator comprises a second-stage elevator 1, a rolling track 2 and a power clutch mechanism. The lower part of the second-stage elevator is provided with 4 rollers 8, the rolling track 2 is formed by oppositely welding groove-shaped steel notches, and the power clutch mechanism mainly comprises a sliding seat, a sliding block, a spline sleeve and a manual clutch handle, so that the positioning and power combination of the second-stage elevator during operation and the positioning and power separation of the second-stage elevator during transportation can be realized. The movable corn ear secondary elevator can move forwards during transportation, so that the stability and the safety of transportation are improved; the fruit cluster conveying device moves backwards during operation to realize secondary fruit cluster conveying work, and is convenient and flexible.

Description

Movable second grade corn ear lift conveyer

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a secondary corn ear elevator on a tractor backpack corn harvester.

Background

The back-carrying corn harvester of the tractor is to carry on the secondary transport to the ear transport vehicle of the synchronous operation generally after the corn barker peels, because second grade lift conveyer and barker are all installed at the rear of the tractor, the second grade lift conveyer extends backward greatly, the gravity center moves backward more greatly, it is fast while transporting, meet the uphill road and make the front wheel of the tractor upwarp easily, the traffic accident appears. In order to ensure the stability of the transportation center of gravity, the method of moving the center of gravity forward can be adopted.

Disclosure of Invention

The invention mainly aims to provide a movable secondary corn ear elevator, which can move forwards (the gravity center moves forwards) when a road runs and move backwards when the road runs, so that the problem in the background can be effectively solved, and the backpack corn harvester of a tractor can be ensured to run quickly on the road, and is safe and stable.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the movable second-stage corn ear elevator comprises a second-stage elevator 1, a rolling track 2 and a power clutch mechanism 3. The second-stage elevator 1 is a conventional scraper elevator and consists of a horizontal section and an inclined section; a movable handle 4 is welded on the upper part of the front end of the horizontal section; two roller shafts 5 are welded at the lower part of the horizontal section, and the axes of the two roller shafts are parallel; two ends of each roller shaft are respectively provided with a roller 8, and the rollers are in small clearance fit with the notches of the rolling tracks 2; the end of the roller shaft 5 is provided with a positioning conical hole; the driving shaft head 6 of the secondary elevator is of a spline structure, the size of the spline is consistent with that of the spline shaft head of the power source shaft 7, the spline shaft heads are on the same axis, and the gaps of 5-10mm are kept at the two shaft ends. The rolling track 2 is formed by oppositely welding groove-shaped steel notches, and the groove-shaped steel can be made of groove-shaped steel profiles or can be bent by sheet materials; limiting plates 9 are arranged at the front end and the rear end; the rolling track is mounted on the back truss 10 on the rear right side of the tractor. The power clutch mechanism 3 mainly comprises a sliding seat 11, a sliding block 12, a spline housing 13 and a clutch handle 14; the sliding seat is fixed on a back-carrying truss 15 at the rear side of the tractor; the sliding block 12 is an integral structure formed by a sliding shaft 16, a shifting fork 17 and a conical positioning pin 18, the sliding shaft 16 and the sliding seat 11 are in small clearance fit and can only slide axially, the shifting fork 17 is clamped below a ring groove of the spline sleeve 13 and is in small clearance fit, and the conical positioning pin 18 is matched with a positioning conical hole arranged at the end of the roller shaft 5 of the secondary elevator and used for positioning the secondary elevator 1; the outer circumference of the spline sleeve 13 is provided with a ring groove, the spline sleeve is completely sleeved on the spline shaft head of the power source shaft 7 in a power separation state, and the spline sleeve 13 is simultaneously sleeved on the spline shaft head of the power source and the driving shaft head 6 of the secondary elevator in a power combination state and is in small clearance fit; the clutch handle 14 is arranged on the sliding block 12, and can manually realize the movement of the sliding block to drive the conical positioning pin and the shifting fork to move, so that the backward movement positioning and power combination of the secondary lift-1 conveyer during the operation and the forward movement positioning and power separation of the secondary lift-1 conveyer during the transportation are realized.

The invention has the characteristics and advantages that:

the beneficial effect of adopting above technical scheme is: when the backpack corn harvester of the tractor is used, the secondary lifting device can be moved forwards when the backpack corn harvester is transported and walks on a road, so that the gravity center is moved forwards, the stability and the safety of the backpack corn harvester during transportation are greatly improved, and the walking speed is improved at the same time. During operation, the secondary conveying device can be moved backwards, so that the synchronism of the fruit cluster conveying operation is ensured.

Drawings

FIG. 1 is a schematic diagram of the operation of a mobile secondary ear elevator;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a partial view taken from a-a in fig. 1.

Description of part numbers in the figures:

1-a second-stage elevator, 2-a rolling track, 3-a power clutch mechanism, 4-a moving handle, 5-a roller shaft,

6-two-stage lift conveyer driving shaft head, 7-power source shaft, 8-roller, 9-limiting plate, 10-back right-side back truss, 11-sliding seat, 12-sliding block, 13-spline sleeve, 14-clutch handle, 15-back side back truss, 16-sliding shaft, 17-shifting fork and 18-conical positioning pin.

Detailed Description

The following describes a specific embodiment of a movable secondary corn ear elevator according to the present invention in detail with reference to the accompanying drawings.

A movable two-stage corn ear elevator comprises three parts, namely a two-stage elevator 1, a rolling track 2 and a power clutch mechanism 3. The second-stage elevator 1 is a conventional scraper elevator and consists of a horizontal section and an inclined section; a movable handle 4 is welded on the upper part of the front end of the horizontal section; two roller shafts 5 are welded at the lower part of the horizontal section, and the axes of the two roller shafts are parallel; two ends of each roller shaft are respectively provided with a roller 8, and the rollers are in small clearance fit with the notches of the rolling tracks 2; the end of the roller shaft is provided with a positioning conical hole; the driving shaft head 6 of the secondary elevator is of a spline structure, the size of the spline is consistent with that of the spline shaft head of the power source shaft 7, the spline shaft heads are on the same axis, and the gaps of 5-10mm are kept at the two shaft ends. The rolling track 2 is formed by oppositely welding groove-shaped steel notches, and the groove-shaped steel can be made of groove-shaped steel profiles or can be bent by sheet materials; limiting plates 9 are arranged at the front end and the rear end; the rolling track is mounted on the back truss 10 on the rear right side of the tractor. The power clutch mechanism mainly comprises a sliding seat 11, a sliding block 12, a spline housing 13 and a clutch handle 14; the sliding seat 11 is fixed on a back-carrying truss 15 at the rear side of the tractor; the sliding block 12 is an integral structure consisting of a sliding shaft 16, a shifting fork 17 and a conical positioning pin 18, the sliding shaft 16 and the sliding seat 11 are in small clearance fit and can only slide axially, the shifting fork 17 is clamped below a spline sleeve ring groove and is in small clearance fit, and the conical positioning pin 18 is matched with a positioning conical hole arranged at the end of the roller shaft 5 of the secondary elevator and used for positioning the secondary elevator 1; the outer circumference of the spline sleeve 13 is provided with a ring groove, the spline sleeve is completely sleeved on the spline shaft head of the power source shaft 7 in a power separation state, and the spline sleeve is simultaneously sleeved on the spline shaft head of the power source shaft 7 and the driving shaft head 6 of the secondary elevator in a power combination state and is in small clearance fit; the clutch handle 14 is arranged on the sliding block 12, the sliding block can be moved manually, the conical positioning pin 18 and the shifting fork 17 are driven to move, the backward movement positioning and power combination of the secondary lift conveyer 1 is realized when the operation is finished, and the forward movement positioning and power separation of the secondary lift conveyer are realized when the transportation is carried out. Thus forming the movable corn ear secondary elevator.

The working process of the movable corn ear secondary elevator is as follows: when the tractor backpack corn harvester is to be transported and driven on a road, the clutch handle 14 is manually pulled to drive the sliding block 12 to move, so that the shifting fork 17 pushes the spline housing 13 to separate the spline housing from the driving shaft 6 of the secondary elevator, and meanwhile, the conical positioning pin 18 is separated from the conical hole at the end of the roller shaft 5 of the secondary elevator, thereby relieving the power and position positioning of the secondary elevator. And then pulling the second-stage lift conveyer moving handle 4 to move the second-stage lift conveyer 1 forwards until the front-end roller 8 of the second-stage lift conveyer contacts with the roller rail limiting plate 9, reversely pushing the clutch handle 14 to drive the sliding block 12 to move, inserting the conical positioning pin 18 into the conical hole at the roller shaft 5 end of the second-stage lift conveyer, and positioning the second-stage lift conveyer 1 at the front end of the roller rail 2, so that the gravity center of the second-stage lift conveyer integrally moves forwards, and the stability of road transportation is ensured. In the operating state, the operation is reversed, the secondary elevator is moved backward, and the power is combined while the secondary elevator 1 is positioned at the rear end of the roller rail 2.

Claims

1. The utility model provides a movable second grade corn ear lift conveyer which characterized in that: the device comprises a secondary elevator 1, a rolling track 2 and a power clutch mechanism 3. The secondary elevator 1 is a conventional scraper elevator and consists of a horizontal section and an inclined section; a movable handle 4 is welded on the upper part of the front end of the horizontal section; two roller shafts 5 are welded at the lower part of the horizontal section, and the axes of the two roller shafts are parallel; two ends of each roller shaft are respectively provided with a roller 8, the rollers are in small clearance fit with the notches of the rolling tracks 2, and the end heads of the roller shafts 5 are provided with positioning tapered holes; the driving shaft head 6 of the secondary elevator is of a spline structure, the size of the spline is consistent with that of the spline shaft head of the power source shaft 7, the spline shaft heads are on the same axis, and the gaps of 5-10mm are kept at the two shaft ends. The rolling track 2 is formed by oppositely welding groove-shaped steel notches, and the groove-shaped steel can be made of groove-shaped steel profiles or can be bent by sheet materials; limiting plates 9 are arranged at the front end and the rear end; the rolling track is mounted on the back truss 10 on the rear right side of the tractor. The power clutch mechanism 3 mainly comprises a sliding seat 11, a sliding block 12, a spline housing 13 and a clutch handle 14; the sliding seat is fixed on a back-carrying truss 15 at the rear side of the tractor; the sliding block 12 is an integral structure formed by a sliding shaft 16, a shifting fork 17 and a conical positioning pin 18, the sliding shaft 16 and the sliding seat 11 are in small clearance fit and can only slide axially, the shifting fork 17 is clamped below a ring groove of the spline sleeve 13 and is in small clearance fit, and the conical positioning pin 18 is matched with a positioning conical hole arranged at the end of the roller shaft 5 of the secondary elevator and used for positioning the secondary elevator 1; the outer circumference of the spline sleeve 13 is provided with a ring groove, the spline sleeve is completely sleeved on the spline shaft head of the power source shaft 7 in a power separation state, and the spline sleeve 13 is simultaneously sleeved on the spline shaft head of the power source shaft 7 and the driving shaft head 6 of the secondary elevator in a power combination state and is in small clearance fit; the clutch handle 14 is mounted on the slider 12.