CN-121986682-A - Liquid straw fiber mulch mixing and laying machine

Abstract

A liquid straw fiber mulch mixing and laying machine belongs to agricultural machinery, a straw fiber powder box, a water tank, a dry powder conveying pump, a water pump, a liquid material mixing assembly, a liquid material conveying pump, a spray rod support and an automatic controller are fixedly arranged on a self-propelled power chassis, a front spray rod, a rear spray rod and a camera are sequentially hung on the spray rod support, a fixed spray head is fixedly arranged on the front spray rod through an electromagnetic valve B, a supporting plate and a stepping motor B are fixedly arranged on the rear spray rod, a screw B is rotatably arranged on the rear spray rod, a screw B is sleeved on the screw B, a movable spray head is arranged on the screw B through an electromagnetic valve A, the liquid material mixing assembly consists of a support, a mixing box, a main shaft, an upper mixing impeller, a lower mixing impeller, a frame, the screw A, the stepping motor A, a motor seat and a motor assembly, and the liquid straw fiber mulch mixing and laying machine is novel and unique in structure, few in operation faults, high in operation efficiency, good in laying operation quality, and provides technical support for large-area, high-efficiency and high-quality mulch application.

Inventors

• WANG YU
• LIU SHUANG
• WANG HAO
• ZHU YIMING
• HUANG ANQI
• LIU PENG
• CAI BOJIN
• LI CHAO
• LIU HAODONG
• HAN JIAXUAN

Assignees

• 东北农业大学

Dates

Publication Date

20260508

Application Date

20260318

Claims (1)

1. 1. A liquid straw fiber mulch mixing and laying machine comprises a self-propelled power chassis (1) and is characterized in that a straw fiber powder feed box (2), a water tank (14), a dry powder feed pump (4), a water pump (15), a liquid material mixing and laying assembly (11), a liquid material feed pump (10), a spray rod support (8) and an automatic controller (5) are fixedly arranged on the self-propelled power chassis (1) from front to back in sequence, a material pipe (3) is used for communicating the straw fiber powder feed box (2) with the dry powder feed pump (4), a water pipe (13) is used for communicating the water tank (14) with the water pump (5), a main pipe (12) is used for communicating the dry powder feed pump (4) with the water pump (15) with the liquid material roller mixing assembly (11), a front main pipe (24) is used for communicating the liquid material mixing and laying assembly (11) with the liquid material feed pump (10), a front rod (6), a rear spray rod (7) and a camera (9) are hung on the lower side of the front rod support (8) from front to the rear in sequence, a front end part B (22) of the front spray rod (6) is fixedly arranged on a support plate (23) through a valve B (21), a rear spray rod (23) is fixedly arranged on a support plate (23) and a rotary support (23), the stepping motor B (16) is connected with the screw rod B (17), the screw rod B (17) is radially positioned, circumferentially and relatively rotatable, and axially movably sleeved with the screw nut B (19), the movable spray head (20) is arranged on the lower side part of the screw nut B (19) through the electromagnetic valve A (18), and the rear main pipe (25) is used for communicating the liquid material conveying pump (10) with the electromagnetic valve B (22) and the electromagnetic valve A (18) in sequence; The liquid material mixing assembly (11) is structurally characterized in that a mixing box (1104) is fixedly arranged on the inner side part of a support (1105), a main shaft (1109) is radially positioned, circumferentially rotatable and axially vertically movable and vertically inserted in the mixing box (1104), an upper mixing impeller (1108) and a lower mixing impeller (1107) are sequentially fixedly arranged on the lower side part of the main shaft (1109) and positioned in the box body of the mixing box (1104) from top to bottom, a water level sensor (1103) is arranged on the upper side part of the inner wall surface of the mixing box (1104), a density sensor (1106) is arranged on the bottom wall of the mixing box (1104), a discharge through hole (1114) is formed in the bottom wall of the mixing box (1104), a frame (1110) is fixedly arranged on the outer part of the upper end of the support (1105), a screw A (1111) is radially and axially positioned and circumferentially rotatably and vertically arranged on the frame (1110), a stepping motor A (1113) is fixedly arranged on the upper part of the frame (1111) and positioned on the upper part of the screw A (1111) coaxially, the motor (1113) is connected with a motor (1112) and is rotatably arranged on the upper side part (1111) and the lower part (1102) in a relative axial direction, a motor shaft of the motor (1101) is coaxially connected with the main shaft (1109); The automatic controller (5) is respectively communicated with the dry powder material conveying pump (4), the water pump (15), the liquid material conveying pump (10), the camera (9), the stepping motor B (16), the electromagnetic valve A (18), the electromagnetic valve B (22) and the motor (1101), the water level sensor (1103), the density sensor (1106) and the stepping motor A (1113) through wires.

Description

Liquid straw fiber mulch mixing and laying machine Technical Field The invention belongs to agricultural machinery, and mainly relates to a liquid straw fiber mulch feed liquid mixing laying machine. Background The liquid straw fiber mulch is prepared from crop straws as raw materials, can be rapidly degraded in natural environment, fundamentally solves the problem of white pollution of the plastic mulch, and is beneficial to improving ecological environment and quality. The traditional laying mode of straw fiber liquid mulch is mostly manual auxiliary device and lays, and is time consuming and labor consuming, and the mulch lays the coverage rate low, lays unevenly to influence the quality that the mulch laid. At present, a laying machine for liquid mulch films is researched and developed, but due to the defects and the defects of structural design, straw fibers are ignored to be easily wound around stirring paddles in a solution, the mixing effect and the quality are poor, the subsequent operation process of the machine is further influenced, a spraying system cannot carry out repair spraying on the sprayed liquid mulch films, and the laying quality of the liquid mulch films is reduced. Based on the problems, the spraying operation of the liquid mulching film is mainly performed by traditional manual work and simple machinery at present, and the technical problems of high labor intensity, high operation cost, low operation efficiency and poor laying quality are needed to be overcome and solved. Disclosure of Invention The invention aims at solving the problems in the prior art, combines the actual requirements of the mechanized laying operation of the liquid straw fiber mulch film at present, develops and designs a liquid straw fiber mulch film mixing and laying machine with a new structure, and achieves the purposes of good mixing quality of straw fiber mulch film feed liquid, avoiding and reducing operation faults, improving the operation efficiency of machines and tools and ensuring the mechanized laying operation effect of the liquid straw fiber mulch film. The invention provides a self-propelled power chassis, which is characterized in that a straw fiber powder box, a water tank, a dry powder conveying pump, a water pump, a liquid material mixing assembly, a liquid material conveying pump, a spray rod bracket and an automatic controller are respectively and fixedly arranged on the self-propelled power chassis from front to back, a material pipe is used for communicating the straw fiber powder box with the dry powder conveying pump, the water tank is communicated with the water pump by the water pipe, the dry powder conveying pump and the water pump are communicated with a liquid material roller mixing assembly by a main pipe, the liquid material mixing assembly is communicated with the liquid material conveying pump by a front main pipe, a front spray rod, a rear spray rod and a camera are sequentially hung and arranged on the lower side part of the spray rod bracket from front to back, a fixed spray head is fixedly arranged on the lower end part of the front spray rod by an electromagnetic valve B, a support plate and a stepping motor B are fixedly arranged on the rear spray rod, a screw B is rotatably arranged at the position between the rear spray rod and the support plate, the stepping motor B is connected with the screw B in a radial positioning way, the screw B can be relatively rotated in the circumferential direction, a screw nut B is axially movably sleeved on the lower side part of the screw nut B by the electromagnetic valve A, and the liquid material conveying valve B and the electromagnetic valve A are sequentially communicated with the electromagnetic valve A; The liquid material mixing assembly has the structure that a mixing box is fixedly arranged on the inner side part of a bracket, a main shaft is radially positioned, circumferentially rotatable and axially vertically reciprocally movable and vertically inserted in the mixing box, an upper mixing impeller and a lower mixing impeller are sequentially and fixedly arranged on the lower side part of the main shaft and in the mixing box from top to bottom, a water level sensor is arranged on the upper side part of the inner wall surface of the mixing box, a density sensor is arranged on the bottom wall of the mixing box, a discharge through hole is formed in the bottom wall of the mixing box, a frame is fixedly arranged on the outer part of the upper end of the bracket, a screw A is radially and axially positioned and circumferentially rotatably and vertically arranged on the frame, a stepping motor A is coaxially fixed on the frame and positioned above the screw A, a motor shaft of the stepping motor is connected with the screw A, the motor shaft is radially positioned and circumferentially relatively rotatable and axially vertically movably sleeved on the outer part of the screw A, a motor seat is fixedly arranged on the side part of