CN110558049B - Self-propelled trolley for simulating vertical or front-back inclined state of grains - Google Patents

Abstract

A self-propelled trolley for simulating the upright or front-back inclined state of grains belongs to scientific research test equipment; the trolley comprises a trolley frame assembly, wherein a driving walking mechanism consisting of a front height adjusting assembly, a rear height adjusting assembly, a driving land wheel, a follow-up land wheel, a motor, a driving belt wheel, a transmission belt, a driven belt wheel and a driving shaft and a grain stem upright or inclined angle adjusting mechanism consisting of an angle dial, a positioning locking rod, an adjusting hand wheel, an inclined angle positioning shaft, a driving rotating rod, a driving rocker, a follow-up rotating rod, a follow-up rocker and a linkage rod are assembled on the trolley frame assembly; the vehicle can simulate the vertical or front-back inclined growth state of grains in the field, provides technical data for the design of the header, and has the characteristics of novel and reasonable structure, good simulation effect, accurate adjustment and strong applicability.

Description

Self-propelled trolley for simulating vertical or front-back inclined state of grains

Technical Field

The invention belongs to scientific research test equipment, and mainly relates to a test trolley for providing technical data for the structural design of an upper header assembly of a grain harvester.

Background

In the grain harvesting season, different requirements are provided for the operation adaptability of cutting, seedling shifting and feeding and the like of a header assembly (comprising a reel) of a grain harvesting machine in the growth state of grains in the field, including the vertical state or the front and back inclined states of the grains, namely, a plurality of technical parameters such as the ground clearance of the header assembly, the longitudinal front and back positions of the reel, the upper and lower height positions, the rotating and seedling shifting linear speed of the reel and the like are adjusted and changed according to the vertical or front and back inclined states of the grains, so that the harvesting efficiency is ensured and improved, and the harvesting loss is reduced. Because the growth state of the grains in the field, particularly the front and back inclination state changes greatly, a self-propelled trolley capable of simulating the front and back inclination state of the grains needs to be researched and designed, reliable technical parameters are provided for the design of the grain harvester, and the design quality and level are improved.

Disclosure of Invention

The invention aims to research and design a self-propelled trolley for simulating the upright or front-back inclined state of grains according to the actual requirements of a scientific research design test of a grain harvester, and achieves the aims of multiple grain state changes, good simulation effect, strong applicability, high generalization degree and providing technical support for the design of the grain harvester.

The invention aims to realize that driving land wheels are respectively and rotatably assembled on the lower parts of the left side and the right side of the front end of a frame assembly through a front height adjusting assembly, two ends of a driving shaft are respectively and fixedly inserted and assembled on the driving land wheels on the left side and the right side, a driven belt wheel is fixedly assembled on the driving shaft, an electric motor is fixedly assembled on the frame assembly, a driving belt wheel is fixedly assembled on a motor shaft of the electric motor, and a transmission belt is sleeved on the driving belt wheel and the driven belt wheel; follow-up ground wheels are rotatably and respectively arranged on the lower parts of the left side and the right side of the rear end of the frame assembly through a rear height adjusting assembly; an active rotating rod and N follow-up rotating rods are rotatably and mutually parallel arranged on the frame assembly along the transverse direction from front to back, a plurality of cylinder type rod seats are fixedly arranged on the active rotating rod and the follow-up rotating rods in a front-back mutually corresponding and uniformly distributed manner, an active rocker and a follow-up rocker are fixedly arranged on the outer end parts of the same side of the active rotating rod and the follow-up rotating rods in a mutually parallel manner respectively, and a linkage rod is sequentially hinged and hung on the lower end parts of the active rocker and the follow-up rocker; an angle dial is fixedly arranged on the outer side part of the front end of the frame assembly, which is positioned on the same side with the linkage rod, an inclination angle positioning shaft which is fixedly provided with a positioning locking rod is circumferentially and radially positioned and axially inserted and assembled in a shaft end hole of the driving rotating rod in a push-pull movement manner, the positioning locking rod and an angle positioning groove on the angle dial are in clamping and fixed fit or are separated from clamping and fit, and an adjusting hand wheel is fixedly arranged on the outer end part of the driving rotating rod, which is positioned on the same side with the inclination angle positioning shaft; the self-propelled trolley comprises a cylindrical stalk seat, spring shafts, clamping plates, pressure springs, a clamping plate opening-closing adjusting poking rod, two opening-closing driving rods and two clamping plate hinges, wherein the spring shafts are symmetrically arranged on the side wall of the cylindrical stalk seat and can move radially, the clamping plates are fixedly arranged on the inner end parts of the two spring shafts which are oppositely arranged, the pressure springs are sleeved on the spring shafts, the two ends of the pressure springs are respectively in contact fit with the clamping plates and the cylindrical stalk seat, the clamping plate opening-closing adjusting poking rod which is vertically arranged with the spring shafts and can move up and down is arranged on the side wall of the cylindrical stalk seat, one end of each opening-closing driving rod is hinged to the corresponding clamping plate opening-closing adjusting poking rod, and the other end of each opening-closing driving rod is respectively hinged to the two clamping plates which are oppositely arranged, so that the self-propelled trolley capable of simulating a vertical or front-back inclined state of grains is formed.

The invention can provide various conditions of upright or forward and backward inclined simulated grains in the field for scientific research and design tests of the grain harvester header assembly, quickens the scientific research and design progress of machines and tools, shortens the research and development time, improves the design level and the adaptability of the machines and tools, and has the characteristics of novel and reasonable trolley structure, adjustable and controllable grain inclination angle, high display and adjustment precision, good simulation effect and simple and convenient operation.

Drawings

FIG. 1 is a schematic view of the overall structure of a self-propelled trolley for simulating the upright or front-back inclined state of grains;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic view of a barrel-type stalk seat assembly;

fig. 5 is a sectional view taken along line a-a of fig. 4.

Description of part numbers in the figures:

1. the device comprises an angle dial disc, 2, a positioning locking rod, 3, an angle positioning groove, 4, an adjusting hand wheel, 5, a follow-up rotating rod, 6, a follow-up rocker, 7, a frame assembly, 8, a cylinder type rod seat, 9, a rear height adjusting assembly, 10, a follow-up ground wheel, 11, a linkage rod, 12, an inclination angle positioning shaft, 13, a clamping plate opening and closing adjusting poking rod, 14, a driving ground wheel, 15, a motor, 16, a front height adjusting assembly, 17, a driving shaft, 18, a driving rotating rod, 19, a driving belt wheel, 20, a driving belt, 21, a driven belt wheel, 22, a spring shaft, 23, a pressure spring, 24, an opening and closing driving rod, 25, a clamping plate, 26 and a driving rocker.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A self-propelled trolley simulating a grain standing or front-back inclining state is characterized in that driving land wheels 14 are respectively and rotatably assembled on the lower parts of the left side and the right side of the front end of a frame assembly 7 through a front height adjusting assembly 16, two ends of a driving shaft 17 are respectively and fixedly inserted and assembled on the driving land wheels 14 on the left side and the right side, a driven belt wheel 21 is fixedly installed on the driving shaft 17, an electric motor 15 is fixedly installed on the frame assembly 7, a driving belt wheel 19 is fixedly installed on a motor shaft of the electric motor 15, and a transmission belt 20 is sleeved on the driving belt wheel 19 and the driven belt wheel 21; follow-up land wheels 10 are rotatably and respectively arranged on the lower parts of the left side and the right side of the rear end of the frame assembly 7 through a rear height adjusting assembly 9; an active rotating rod 18 and N follow-up rotating rods 5 are rotatably and mutually parallel from front to back along the transverse direction of the frame assembly 7, a plurality of cylinder type rod seats 8 are fixedly arranged on the active rotating rod 18 and the follow-up rotating rods 5 in a front-back mutually corresponding and uniform manner, an active rocker 26 and a follow-up rocker 6 are fixedly arranged on the outer end parts of the same side of the active rotating rod 18 and the follow-up rotating rods 5 in parallel respectively, and a linkage rod 11 is sequentially hinged and hung on the lower end parts of the active rocker 26 and the follow-up rocker 6; an angle dial 1 is fixedly arranged on the outer side part of the front end of a frame assembly 7 and the linkage rod 11 which are positioned on the same side, an inclination angle positioning shaft 12 which is fixedly provided with a positioning locking rod 2 is circumferentially and radially positioned and is axially inserted and assembled in a shaft end hole of an active rotating rod 18 in a push-pull movement manner, the positioning locking rod 2 and an angle positioning groove 3 on the angle dial 1 are in clamping fixed fit or are separated from clamping fit, and an adjusting hand wheel 4 is fixedly arranged on the outer end part of the active rotating rod 18 and the outer end part of the inclination angle positioning shaft 12 which are positioned on the same side; the side wall of the cylinder type stalk seat 8 is symmetrically provided with spring shafts 22 which can move radially, the inner ends of the two spring shafts 22 which are assembled oppositely are respectively fixedly provided with a clamping plate 25, a pressure spring 23 is sleeved on the spring shafts 22, two ends of the pressure spring 23 are respectively contacted and matched with the clamping plate 25 and the cylinder type stalk seat 8, the side wall of the cylinder type stalk seat 8 is provided with a clamping plate opening and closing adjusting poking rod 13 which is vertically arranged with the spring shafts 22 and can move up and down, one end of each of two opening and closing driving rods 24 is hinged on the clamping plate opening and closing adjusting poking rod 13, and the other ends of the two opening and closing driving rods 24 are respectively hinged with the two clamping plates 25 which are assembled oppositely.

When the device is used, firstly, the inclination angle positioning shaft 12 moves from the axial direction of the driving rotating rod 18 to the axial end hole of the shaft, so that the positioning locking rod 2 is separated from the positioning contact fit with the angle positioning groove 3 on the angle dial 1, the hand wheel 4 is rotated by hand, the inclination angle positioning shaft 12 drives the positioning locking rod 2 to rotate, so that the positioning locking rod 2 is aligned with the angle positioning groove 3 at the vertical part of the angle dial 1 to be clamped and locked, and meanwhile, the rotating adjusting hand wheel 4 drives the driving rotating rod 18 to rotate, and the N follow-up rotating rods 5 are driven to simultaneously rotate through the driving rocker 26, the linkage 11 and the follow-up rocker 6, so that the driving rotating rod 18 and the cylinder type rod seats 8 on the N follow-up rotating rods 5 are in a vertical state; adjust poker rod 13 through reciprocating splint switching on the cylinder stalk seat 8, make spring shaft 22 radially outwards remove on cylinder stalk seat 8 through the actuating lever 24 that opens and shuts, two splint 25 of relative configuration open, insert cereal stem stalk between splint 25 this moment, loosen the control that the hand adjusted poker rod 13 to the splint switching, under pressure spring 23's thrust, two splint 25 of relative configuration are the clamp jail of upright state with cereal stem stalk, are the simulation upright state condition. When the grain stalks are simulated into different forward inclination angle states or backward inclination angle states according to the measurement requirement, the operation method is the same as the angle adjusting step, and only the positioning locking rod 2 is clamped into the forward inclination angle or backward inclination angle positioning groove 3 required to be correspondingly arranged on the angle dial 1. The front height adjusting assembly 16 and the rear height adjusting assembly 9 can adjust the height of the grain stalks; make the platform truck independently walk through motor 15 through driving pulley 19, drive belt 20, driven pulley 21, drive shaft 17 and drive land wheel 14, for the header with dial standing grain wheel combination test provide convenient, the analog range is wider, the simulation effect is better, adaptability is stronger.

Claims (1)

1. The utility model provides a self-propelled platform truck of simulation cereal state of inclining from beginning to end that stands vertically which characterized in that: the left lower part and the right lower part of the front end of the frame assembly (7) are respectively rotatably provided with a driving land wheel (14) through a front height adjusting assembly (16), two ends of a driving shaft (17) are respectively inserted and fixedly arranged on the driving land wheels (14) on the left side and the right side, a driven belt wheel (21) is fixedly arranged on the driving shaft (17), an electric motor (15) is fixedly arranged on the frame assembly (7), a driving belt wheel (19) is fixedly arranged on a motor shaft of the electric motor (15), and a driving belt (20) is sleeved on the driving belt wheel (19) and the driven belt wheel (21); follow-up ground wheels (10) are respectively rotatably arranged on the lower parts of the left side and the right side of the rear end of the frame assembly (7) through a rear height adjusting assembly (9); an active rotating rod (18) and N follow-up rotating rods (5) are rotatably mounted on the frame assembly (7) in a manner of being parallel to each other from front to back along the transverse direction of the frame assembly, a plurality of cylinder-type rod seats (8) are fixedly mounted on the active rotating rod (18) and the follow-up rotating rods (5) in a front-back corresponding manner, an active rocker (26) and a follow-up rocker (6) are fixedly mounted on the outer end parts of the same side of the active rotating rod (18) and the follow-up rotating rods (5) in parallel to each other, and a linkage rod (11) is sequentially hinged and hung on the lower end parts of the active rocker (26) and the follow-up rocker (6); an angle dial (1) is fixedly installed on the outer side part of the front end of a frame assembly (7) and the outer side part of a linkage rod (11) which are positioned on the same side, an inclination angle positioning shaft (12) fixedly installed with a positioning locking rod (2) is circumferentially and radially positioned and axially inserted and assembled in a shaft end hole of a driving rotating rod (18) in a push-and-pull movement manner, the positioning locking rod (2) and an angle positioning groove (3) on the angle dial (1) are in clamping fixed fit or separated from clamping fit, and an adjusting hand wheel (4) is fixedly installed on the outer end part of the driving rotating rod (18) on the same side with the inclination angle positioning shaft (12); spring shafts (22) are symmetrically arranged on the side wall of the cylinder type stalk seat (8) and can move radially, clamping plates (25) are fixedly arranged on the inner end portions of the two spring shafts (22) which are assembled oppositely, a pressure spring (23) is sleeved on the spring shafts (22), two ends of the pressure spring (23) are respectively in contact fit with the clamping plates (25) and the cylinder type stalk seat (8), the clamping plates which are vertically arranged with the spring shafts (22) on the side wall of the cylinder type stalk seat (8) and can move up and down are arranged on the side wall of the cylinder type stalk seat (8) to open and close the adjusting poking rod (13), one ends of the two opening and closing driving rods (24) are hinged to the clamping plate opening and closing adjusting poking rod (13), and the other ends of the two opening and closing driving rods (24) are respectively hinged to the two clamping plates (25) which are assembled oppositely.

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