CN202232236U

CN202232236U - Agricultural straw cutter

Info

Publication number: CN202232236U
Application number: CN2011202872656U
Authority: CN
Inventors: 苏盛禹
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-09
Filing date: 2011-08-09
Publication date: 2012-05-30
Anticipated expiration: 2021-08-09

Abstract

An agricultural straw cutter comprises a bottom rack (1), a frame (2), a housing (3), a bottom cover (4), a spindle (5), a moving knife carrier (6), a fixed knife (7), upper feed rolls (8a), lower feed rolls (8b) and a feed roll driving device, wherein the housing (3) and the frame (2) are hinged at the front so that the housing (3) can be turned and opened, the spindle (5) and the lower feed rolls (8b) are mounted on the frame (2), the upper feed rolls (8a) are mounted on the housing (3), and drive gears are mounted on the frame (2) and the housing (3) respectively. The agricultural straw cutter is high in mechanical drive efficiency, parts can be replaced with no need of completely disassembling the cutter, and the agricultural straw cutter is convenient for users to maintain.

Description

Agricultural hay cutter

Technical field

the utility model relates to agricultural hay cutter.

Background technology

Agricultural hay cutter includes frame, casing, is installed in the movable knife rack on the main shaft in the casing, on casing, offers feeding mouth and discharging opening; Be provided with on the casing with movable knife rack on the stationary knife that cooperates of the moving knife installed; For realizing going into grass safely, automatically; Be provided with the feeding roller arrangement at the feeding mouth end, between main shaft and feeding roller initiative roll shaft, be provided with drive-train means.Agricultural hay cutter particularly its drive-train means specifically is provided with difference, brings on machine characteristics and the applicability different.The upper and lower feeding roller of the feeding roller arrangement of existing agricultural hay cutter is an integral structure; The transmission mechanism parts that initiatively feed roller all are to be provided with to be installed on side of casing; The form that the upper and lower feeding roller of this feeding roller arrangement is the structure one is when appearance feeding roller twines careless phenomenon, because upper and lower feeding roller fixed-site; Make its not easy to clean, influence is used and production efficiency.

The utility model content:

The purpose of the utility model provides the good agricultural hay cutter of a kind of serviceability, conveniently to use and to keep in repair.

The utility model includes underframe 1, frame 2, casing 3, end cover 4, main shaft 5, movable knife rack 6, stationary knife 7, on feed roller 8a, feed roller 8b down, feeding roller transmission device constitutes, and offers material bin 38 and discharging opening 39 respectively in the front and back end of casing 3; Frame 2 is a frame shape, and frame 2 is fixedly connected and is installed on underframe 1 upper surface, and casing 3 is articulated and connected with frame 2 front ends; Casing 3 can be overturn open, main shaft 5 is installed on the frame 2, and movable knife rack 6 is installed on the main shaft 5; On the stationary knife 7 rack-mounted stationary knife beams 71, on feed roller 8a and be installed on the casing 3, following feeding roller 8b is installed on the frame 2; Feeding roller transmission device by the power shift gear on the main shaft 5 51, be installed in the selector fork 50 on the frame 2, be installed in bearing pin 20 on the frame 2, be installed in the doubly-linked change-speed gearing 21 on the bearing pin 20, be installed in the axle 22 that is situated between of first on the frame 2; Be installed in the little idle wheel 23 on first Jie's axle; Be installed in down the travelling gear 81 on the feeding roll shaft 80, be installed in the travelling gear 83 on the feeding roll shaft 82, be installed in second Jie's axle 30 of casing 3; Be installed in the big speed change idle wheel 31 on second Jie's axle 30; Be installed in second axle 30 that is situated between and constitute with connecting rod 40 on the last feeding roll shaft 82, offer on the casing 3 with on feeding roll shaft 82 cooperates slotted eye 85 can fluctuate so that upward feed roll shaft 82.Change gear 51 cooperates with doubly-linked change-speed gearing 21 and big speed change idle wheel 31 respectively; When change gear 51 cooperates with the gear wheel 21a of doubly-linked change-speed gearing 21; Pinion 21b on the doubly-linked change-speed gearing drives little idle wheel 23 and drives travelling gear 81 rotations that feed down on the roll shaft 80; Little idle wheel 23 cooperates with big speed change idle wheel 31 simultaneously; Big speed change idle wheel 31 plays the switching-over effect, and the travelling gear 83 in the drive on the feeding roll shaft 82 rotates, and drive feeds roller 8a up and down, 8b cooperates rotation work; When selector fork 50 drives change gear 51 and speed change idle wheel 31 meshes greatly; Big speed change idle wheel 31 drives the travelling gear of going up on the feeding roll shaft 82 83 and rotates; Travelling gear 81 under the little idle wheel 23 of simultaneously big speed change idle wheel 31 drives drives on the feeding roll shaft 80 rotates, and doubly-linked change-speed gearing 21 dallies, because minimizing one-level reduction of speed; Realize speed change, increased the careless length of hand hay cutter.

When the utility model is opened when casing 3, be installed in big speed change idle wheel 31 on the casing 3, be installed on the casing 3 go up feeding roller 8a and travelling gear 83 is together opened with casing 3, cleaning, fiber are convenient.

The utility model main shaft and upper and lower feeding roller are accomplished transmission through gear, and machinery driving efficiency is high, because travelling gear is installed in respectively on frame 2 and the casing 3, under situation about not exclusively disassembling, just can realize the replacing of parts, make things convenient for the user to maintain.

Description of drawings

Fig. 1 is the utility model example structure sketch map.

Fig. 2 is Fig. 1 casing 3 open mode sketch mapes.

Fig. 3 is that feeding roller transmission structures workpiece principle is launched sketch map.

Embodiment:

The utility model includes underframe 1, frame 2, casing 3, end cover 4, main shaft 5, movable knife rack 6, stationary knife 7, on feed roller 8a, feed roller 8b down, feeding roller transmission device constitutes, and offers material bin 38 and discharging opening 39 respectively in the front and back end of casing 3; On underframe, be provided with motor through the belt pulley transmission main shaft, frame 2 is a frame shape, and frame 2 is fixedly connected and is installed on underframe 1 upper surface; Casing 3 is articulated and connected with frame 2 front ends, casing 3 can be overturn open, and main shaft 5 is installed on the frame 2; Movable knife rack 6 is installed on the main shaft 5, on the stationary knife 7 rack-mounted stationary knife beams 71, on feed roller 8a and be installed on the casing 3; Under feed roller 8b and be installed on the frame 2; Feeding roller transmission device by the power shift gear on the main shaft 5 51, be installed in the selector fork 50 on the frame 2, be installed in bearing pin 20 on the frame 2, be installed in the doubly-linked change-speed gearing 21 on the bearing pin 20, be installed in the axle 22 that is situated between of first on the frame 2; Be installed in the little idle wheel 23 on first Jie's axle; Be installed in down the travelling gear 81 on the feeding roll shaft 80, be installed in the travelling gear 83 on the feeding roll shaft 82, be installed in second Jie's axle 30 of casing 3; Be installed in the big speed change idle wheel 31 on second Jie's axle 30; Be installed in second axle 30 that is situated between and constitute with connecting rod 40 on the last feeding roll shaft 82, offer on the casing 3 with on feeding roll shaft 82 cooperates slotted eye 85 can fluctuate so that upward feed roll shaft 82.Change gear 51 cooperates with doubly-linked change-speed gearing 21 and big speed change idle wheel 31 respectively; When change gear 51 cooperates with the gear wheel 21a of doubly-linked change-speed gearing 21; Pinion 21b on the doubly-linked change-speed gearing drives little idle wheel 23 and drives travelling gear 81 rotations that feed down on the roll shaft 80; Little idle wheel 23 cooperates with big speed change idle wheel 31 simultaneously; Travelling gear 83 in the drive on the feeding roll shaft 82 rotates, and drive feeds roller 8a up and down, 8b cooperates rotation work; When selector fork 50 drives change gear 51 and speed change idle wheel 31 meshes greatly; Big speed change idle wheel 31 drives the travelling gear of going up on the feeding roll shaft 82 83 and rotates; Travelling gear 81 under the little idle wheel 23 of simultaneously big speed change idle wheel 31 drives drives on the feeding roll shaft 80 rotates, and doubly-linked change-speed gearing 21 dallies.

Claims

1. agricultural hay cutter is characterized in that including underframe (1), frame (2), casing (3), the end cover (4), main shaft (5), movable knife rack (6), stationary knife (7), on feed roller (8a), feed roller (8b) down, feeding roller transmission device constitutes; Offer material bin (38) and discharging opening (39) respectively in the front and back end of casing (3); Frame (2) is a frame shape, and frame (2) is fixedly connected and is installed on underframe (1) upper surface, and casing (3) is articulated and connected with frame (2) front end; Casing (3) can be overturn to open; Main shaft (5) is installed on the frame (2), and movable knife rack (6) is installed on the main shaft (5), on the rack-mounted stationary knife beam of stationary knife (7) (71); Last feeding roller (8a) is installed on the casing (3), and following feeding roller (8b) is installed on the frame (2).

2. agricultural hay cutter according to claim 1; It is characterized in that feeding the roller transmission device by the power shift gear (51) on the main shaft (5), be installed in the selector fork (50) on the frame (2); Be installed in bearing pin (20) on the frame (2), be installed in the doubly-linked change-speed gearing (21) on the bearing pin (20); Be installed in first on the frame (2) and be situated between spool (22), be installed in the little idle wheel (23) on first Jie's axle, be installed in down the travelling gear (81) on the feeding roll shaft (80); Be installed in the travelling gear (83) on the feeding roll shaft (82); Be installed in second of casing (3) and be situated between spool (30), be installed in the big speed change idle wheel (31) on second Jie's axle (30), be installed in connecting rod (40) formation on second Jie's axle (30) and the last feeding roll shaft (82); On casing (3), offer with last feeding roll shaft (82) and cooperate slotted eye (85), can fluctuate so that go up feeding roll shaft (82); Change gear (51) cooperates with doubly-linked change-speed gearing (21) and big speed change idle wheel (31) respectively; When the gear wheel (21a) of change gear (51) and doubly-linked change-speed gearing (21) when cooperating; Pinion on the doubly-linked change-speed gearing (21b) drives little idle wheel (23) and drives travelling gear (81) rotation that feeds down on the roll shaft (80); Little idle wheel (23) cooperates with big speed change idle wheel (31) simultaneously; Big speed change idle wheel (31) plays the switching-over effect, and the travelling gear (83) in the drive on the feeding roll shaft (82) rotates, and drives and feeds roller (8a, 8b) cooperation rotation work up and down; When selector fork (50) drives change gear (51) and speed change idle wheel (31) meshes greatly; Travelling gear (83) in big speed change idle wheel (31) drive on the feeding roll shaft (82) rotates; Simultaneously big speed change idle wheel (31) drives the travelling gear (81) that feeds on the roll shaft (80) under little idle wheel (23) drive and rotates, doubly-linked change-speed gearing (21) idle running.