CN109228473B - Pasture flattening device - Google Patents

Pasture flattening device Download PDF

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Publication number
CN109228473B
CN109228473B CN201811282431.6A CN201811282431A CN109228473B CN 109228473 B CN109228473 B CN 109228473B CN 201811282431 A CN201811282431 A CN 201811282431A CN 109228473 B CN109228473 B CN 109228473B
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CN
China
Prior art keywords
flattening
flattening roller
side plate
pasture
roller
Prior art date
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Active
Application number
CN201811282431.6A
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Chinese (zh)
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CN109228473A (en
Inventor
廖培旺
孙冬霞
李珂
宋德平
曹龙龙
李明军
郝延杰
李伟
刘凯凯
王成
孙建胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BINZHOU INSTITUTE OF AGRICULTURAL MECHANIZATION SCIENCES
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BINZHOU INSTITUTE OF AGRICULTURAL MECHANIZATION SCIENCES
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Priority to CN201811282431.6A priority Critical patent/CN109228473B/en
Publication of CN109228473A publication Critical patent/CN109228473A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B3/00Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B3/00Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
    • B30B3/005Roll constructions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/70Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Harvester Elements (AREA)

Abstract

The invention discloses a pasture flattening device, which comprises a frame, wherein the frame comprises a first side plate, a second side plate and a plurality of cross beams, the first side plate and the second side plate are hinged with hydraulic cylinders and are fixedly provided with linear sliding rails, two ends of a first flattening roller are respectively connected with two linear sliding rails in a sliding manner through square belt seat bearings, the two square belt seat bearings are respectively hinged with the other ends of the two hydraulic cylinders through the linear sliding rails, and two ends of a second flattening roller are respectively connected with the first side plate and the second side plate in a rotating manner; the first side plate is fixedly provided with a hydraulic motor which can drive the second flattening roller to rotate through a first chain transmission system; the second side plate is provided with a second chain transmission system so that the second flattening roller can drive the first flattening roller to rotate. The pasture flattening device effectively improves the flattening effect of pasture and the rotation stability of the flattening roller.

Description

Pasture flattening device
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a pasture flattening device.
Background
The forage grass can be used as feed and can be bundled and stored until the water content reaches the specified requirement. At present, pasture flattening machinery is mainly driven mechanically and has a complex structure; the gap between the flattening rollers is mainly mechanically regulated, so that the abrasion to the machine tool is serious, and the constant pressure between the flattening rollers cannot be ensured during the regulation; most of the patterns of the flattening rollers are herringbone teeth or broken spiral, the contact surface between the flattening rollers and pasture is small, and the flattening effect is not ideal; most of flattening roller transmission is gear transmission, and as the flattening roller moves up and down, the gear is seriously worn, so that the transmission is unreliable, and the rotating speed of the flattening roller is unstable.
Disclosure of Invention
The invention aims to provide a pasture flattening device which solves the problems in the prior art and improves the flattening effect of pasture and the rotation stability of a flattening roller.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a pasture flattening device, which comprises a frame, wherein the frame comprises a first side plate, a second side plate and a plurality of cross beams, the first side plate and the second side plate are fixedly connected through the cross beams, hydraulic cylinders are hinged to the first side plate and the second side plate, linear slide rails are fixedly arranged on the first side plate and the second side plate, two ends of a first flattening roller are respectively connected with the two linear slide rails in a sliding manner through square belt seat bearings, so that the first flattening roller moves up and down while rotating, the two square belt seat bearings are respectively hinged with the other ends of the two hydraulic cylinders through the linear slide rails, and two ends of a second flattening roller are respectively connected with the first side plate and the second side plate in a rotating manner; the first side plate is fixedly provided with a hydraulic motor, and the hydraulic motor can drive the second flattening roller to rotate through a first chain transmission system; a second chain transmission system is arranged on the second side plate, so that the second flattening roller can drive the first flattening roller to rotate; the second chain transmission system comprises a second flattening roller chain wheel, a first tensioning wheel, a second tensioning wheel and an adjusting and tensioning device; the adjusting and tensioning device comprises a fixed seat, a first chain wheel and a second chain wheel, wherein the middle part of the fixed seat is hinged to the side plate, the first chain wheel and the second chain wheel are respectively and fixedly arranged at two ends of the fixed seat, one end of the fixed seat is connected with the second side plate through a spring, so that when the first flattening roller moves up and down, the second chain transmission system always maintains a tensioning state.
Preferably, the first flattening roller and the second flattening roller comprise flattening rollers and spiral extrusion blocks fixedly arranged on the outer walls of the flattening rollers, and the spiral extrusion blocks on the first flattening roller and the second flattening roller are opposite in rotation direction.
Preferably, a plurality of countersunk holes are formed in the spiral extrusion block along the spiral direction, countersunk bolts are arranged on the countersunk holes, and the spiral extrusion block is installed on the flattening roller through the countersunk bolts.
Preferably, the first chain transmission system comprises a motor sprocket, a second flattening roller main sprocket and a first chain arranged on the motor sprocket and the second flattening roller main sprocket, the motor sprocket is fixedly connected with an output shaft of the hydraulic motor, and the second flattening roller main sprocket is fixedly arranged at one end of the second flattening roller, which is close to the first side plate.
Preferably, a safety clutch is also installed between the second pinch roller main sprocket and the second pinch roller.
Preferably, the hydraulic motor is mounted on the first side plate by a mounting bracket.
Preferably, the first and second pinch rollers rotate in opposite directions and each rotate between the two pinch rollers.
Preferably, the pasture flattening device further comprises an electrohydraulic control system for controlling the two hydraulic cylinders, and the electrohydraulic control system is used for controlling the two hydraulic cylinders to stretch and retract according to the advancing speed of the device and the feeding quantity of pasture, so that the first flattening roller moves up and down to change the size of a gap between the first flattening roller and the second flattening roller.
Compared with the prior art, the pasture flattening device has the following technical effects:
the pasture flattening device effectively improves the flattening effect of pasture and the rotation stability of the flattening roller. According to the pasture flattening device, the patterns of the first flattening roller and the second flattening roller are continuous spiral, so that the contact area with pasture is enlarged, and the flattening effect is good; the gap between the first flattening roller and the second flattening roller is automatically adjusted through a hydraulic system, so that the constant pressure is ensured, the abrasion to the device is reduced, and the rotation stability of the flattening rollers is improved; the transmission between the first flattening roller and the second flattening roller adopts chain transmission capable of automatically adjusting tension, so that the abrasion of transmission parts is reduced, and the reliability of transmission is ensured; the pasture flattening device is driven by the hydraulic motor, and the device has a compact structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a pasture flattening apparatus according to the present invention;
FIG. 2 is a schematic view showing the construction of a second flattening roll in the pasture flattening apparatus of the present invention;
FIG. 3 is a schematic diagram of a second chain drive system of the pasture flattening apparatus of the present invention;
FIG. 4 is a schematic view of a first chain drive system of the pasture flattening apparatus of the present invention;
FIG. 5 is a schematic view of the linear slide rail of the pasture flattening device of the present invention;
the device comprises a first flattening roller, a second flattening roller, 101, a spiral extrusion block, 102, a flattening roller, 103, a countersink, 2, a first flattening roller, 3, a hydraulic cylinder, 4, a second chain transmission system, 4-1, a second flattening roller chain wheel, 4-2, a first flattening roller chain wheel, 4-3, a first tensioning wheel, 4-4, a second tensioning wheel, 4-5, an adjusting tensioning device, 4-5-1, a first chain wheel, 4-5-2, a fixed seat, 4-5-3, a spring, 4-5-4, a second chain wheel, 5, a linear slide rail, 6, a frame, 7, a first chain transmission system, 7-1, a second flattening roller main chain wheel, 7-2, a safety clutch, 7-3, a hydraulic motor, 7-4, a motor chain wheel, 8 and a mounting frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a pasture flattening device, which solves the problems existing in the prior art and improves the flattening effect of pasture and the rotation stability of flattening rollers.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 5, the pasture flattening device of the embodiment comprises a frame 6, wherein the frame 6 comprises a first side plate, a second side plate and two cross beams, the first side plate and the second side plate are fixedly connected through the two cross beams, and a first flattening roller 2 and a second flattening roller 1 are further arranged between the first side plate and the second side plate.
The first side plate and the second side plate are both hinged with a hydraulic cylinder 3 and are fixedly provided with linear slide rails 5, two ends of the first flattening roller 2 are respectively connected with the two linear slide rails 5 in a sliding manner through square bearings with seats, the square bearings with seats are arranged on sliding seats of the linear slide rails 5, and an ear plate on the sliding seats of the linear slide rails 5 is hinged with the other end of the hydraulic cylinder 3; two ends of the second flattening roller 1 are respectively connected with the first side plate and the second side plate in a rotating way through bearings.
Referring to fig. 1 and 2, each of the first and second crushing rollers 2 and 1 includes a crushing roller 102 and a screw extrusion block 101 fixed to an outer wall of the crushing roller 102, and the screw extrusion blocks 101 on the first and second crushing rollers 2 and 1 are rotated in opposite directions. A plurality of countersunk holes 103 are formed in the spiral extrusion block 101 along the spiral direction, countersunk bolts are arranged on the countersunk holes 103, the spiral extrusion block 101 is mounted on the flattening roller 102 through the countersunk bolts, and the spiral extrusion block 101 is convenient to detach and replace; the first and second pinch rollers 2, 1 are rotated in opposite directions and each rotate between the two pinch rollers.
As shown in fig. 1 and 3, a first tensioning wheel 4-3, a second tensioning wheel 4-4 and an adjusting tensioning device 4-5 are arranged on a second side plate, the adjusting tensioning device 4-5 comprises a fixed seat 4-5-2 with the middle hinged to the side plate, a first chain wheel 4-5-1 and a second chain wheel 4-5-4 which are respectively fixedly arranged at two ends of the fixed seat 4-5-2, one end of the fixed seat 4-5-2 is connected with the second side plate through a spring 4-5-3, the spring 4-5-3 is positioned at the upper rear part of the second chain wheel 4-5-4, and a second chain is arranged on the first flattening roller chain wheel 4-2, the second flattening roller chain wheel 4-1, the first tensioning wheel 4-3, the second tensioning wheel 4-4, the first chain wheel 4-5-1 and the second chain wheel 4-5-4; the first flattening roller chain wheel 4-2, the second flattening roller chain wheel 4-1, the first tensioning wheel 4-3, the second tensioning wheel 4-4, the first chain wheel 4-5-1, the second chain wheel 4-5-4 and the second chain form a second chain transmission system 4; the second pinch roller sprocket 4-1 is mounted at the left end of the second pinch roller 1, the first pinch roller sprocket 4-2 is mounted at the left end of the first pinch roller 2, the first tension wheel 4-3 is mounted on the frame 6 and located at the upper front of the first pinch roller sprocket 4-2, the second tension wheel 4-4 is mounted on the frame 6 and located at the upper front of the first pinch roller sprocket 4-2 and the rear of the first tension wheel 4-3, the adjusting tension device 4-5 is mounted on the frame 6 and located at the upper rear of the first pinch roller sprocket 4-2 and the second pinch roller sprocket 4-1. When the tensioning device 4-5 is adjusted to enable the second flattening roller 1 to move up and down, the second chain is tensioned all the time, and the stability of the rotation speed of the second flattening roller 1 is ensured.
As shown in fig. 1 and 4, a hydraulic motor 7-3 is mounted on the first side plate via a mounting bracket 8, and the hydraulic motor 7-3 is capable of driving the second pinch roller 1 to rotate via a first chain drive system 7. The first chain transmission system 7 comprises a motor chain wheel 7-4, a second flattening roller main chain wheel 7-1 and a first chain arranged on the motor chain wheel 7-4 and the second flattening roller main chain wheel 7-1, wherein the motor chain wheel 7-4 is fixedly connected with an output shaft of the hydraulic motor 7-3, and the second flattening roller main chain wheel 7-1 is fixedly arranged at the right end of the second flattening roller 1 close to the first side plate. A safety clutch 7-2 is further arranged between the second flattening roller main chain wheel 7-1 and the second flattening roller 1, and when the torque applied to the second flattening roller 1 is overlarge, the safety clutch 7-2 is disconnected, so that the pasture flattening device is protected from being damaged.
The pasture flattening device of the embodiment further comprises an electrohydraulic control system of the two hydraulic cylinders 3, and the electrohydraulic control system controls the two hydraulic cylinders 3 to stretch and retract according to the advancing speed of the device and the feeding quantity of pasture so as to change the size of a gap between the first flattening roller 2 and the second flattening roller 1.
The pasture flattening device of the embodiment works as follows: when a matched electrohydraulic control system is started, the first chain transmission system 7 starts to operate, the second flattening roller 1 is driven to rotate, the second flattening roller 1 drives the second chain transmission system 4 to start to operate, and finally the second chain transmission system 4 drives the first flattening roller 2 to rotate, and meanwhile, the hydraulic cylinder 3 automatically stretches under the control of the matched electrohydraulic control system to drive the first flattening roller 2 to move up and down; the pasture grass flattening operation is realized through the rotary motion of the first flattening roller 2 and the second flattening roller 1.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "front", "rear", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (8)

1. A pasture flattening device, characterized in that: the machine comprises a frame, wherein the frame comprises a first side plate, a second side plate and a plurality of cross beams, the first side plate and the second side plate are fixedly connected through a plurality of cross beams, hydraulic cylinders are hinged to the first side plate and the second side plate, linear slide rails are fixedly arranged on the first side plate and the second side plate, two ends of a first flattening roller are respectively connected with two linear slide rails in a sliding manner through square belt seat bearings, so that the first flattening roller moves up and down while rotating, the two square belt seat bearings are respectively hinged to the other ends of the two hydraulic cylinders through the linear slide rails, and two ends of a second flattening roller are respectively connected with the first side plate and the second side plate in a rotating manner; the first side plate is fixedly provided with a hydraulic motor, and the hydraulic motor can drive the second flattening roller to rotate through a first chain transmission system; a second chain transmission system is arranged on the second side plate, so that the second flattening roller can drive the first flattening roller to rotate; the second chain transmission system comprises a second flattening roller chain wheel, a first tensioning wheel, a second tensioning wheel and an adjusting and tensioning device; the adjusting and tensioning device comprises a fixed seat, a first chain wheel and a second chain wheel, wherein the middle part of the fixed seat is hinged to the side plate, the first chain wheel and the second chain wheel are respectively and fixedly arranged at two ends of the fixed seat, one end of the fixed seat is connected with the second side plate through a spring, so that when the first flattening roller moves up and down, the second chain transmission system always maintains a tensioning state.
2. The pasture flattening device of claim 1, wherein: the first flattening roller and the second flattening roller comprise flattening rollers and spiral extrusion blocks fixedly arranged on the outer walls of the flattening rollers, and the spiral extrusion blocks on the first flattening roller and the second flattening roller are opposite in rotation direction.
3. The pasture flattening device of claim 2, wherein: the screw extrusion block is provided with a plurality of countersunk holes along the screw direction, countersunk bolts are arranged on the countersunk holes, and the screw extrusion block is installed on the flattening roller through the countersunk bolts.
4. The pasture flattening device of claim 1, wherein: the first chain transmission system comprises a motor sprocket, a second flattening roller main sprocket and a first chain arranged on the motor sprocket and the second flattening roller main sprocket, wherein the motor sprocket is fixedly connected with an output shaft of the hydraulic motor, and the second flattening roller main sprocket is fixedly arranged at one end of the second flattening roller, which is close to the first side plate.
5. The pasture flattening apparatus of claim 4, wherein: and a safety clutch is also arranged between the second flattening roller main chain wheel and the second flattening roller.
6. The pasture flattening device of claim 1, wherein: the hydraulic motor is mounted on the first side plate through a mounting frame.
7. The pasture flattening device of claim 1, wherein: the first flattening roller and the second flattening roller rotate in opposite directions and rotate between the two flattening rollers.
8. The pasture flattening device of claim 1, wherein: the hydraulic cylinder hydraulic control system is used for controlling the hydraulic cylinders to stretch and retract according to the advancing speed of the device and the feeding quantity of pasture, and the hydraulic cylinder hydraulic control system is used for controlling the hydraulic cylinders to stretch and retract to realize the up-and-down movement of the first flattening roller so as to change the size of a gap between the first flattening roller and the second flattening roller.
CN201811282431.6A 2018-10-31 2018-10-31 Pasture flattening device Active CN109228473B (en)

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Application Number Priority Date Filing Date Title
CN201811282431.6A CN109228473B (en) 2018-10-31 2018-10-31 Pasture flattening device

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Application Number Priority Date Filing Date Title
CN201811282431.6A CN109228473B (en) 2018-10-31 2018-10-31 Pasture flattening device

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CN109228473A CN109228473A (en) 2019-01-18
CN109228473B true CN109228473B (en) 2024-01-30

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114813194B (en) * 2022-05-23 2023-01-13 中国农业大学 Double-roller adjustable alfalfa modulation test device and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR978059A (en) * 1948-11-13 1951-04-09 Improvements to presses intended for the manufacture of agglomerates
GB692518A (en) * 1951-01-31 1953-06-10 E R & F Turner Ltd Automatic engaging and disengaging of grinding rolls
CN203410059U (en) * 2013-08-30 2014-01-29 北钢联(北京)重工科技有限公司 Medical dressing wiping dehydrator
KR101511013B1 (en) * 2014-06-09 2015-04-09 오승민 Three roll type roll bending machine
CN106106610A (en) * 2016-08-29 2016-11-16 杨安旭 A kind of flattening mechanism of Dumpling wrapper processing machine
CN209395294U (en) * 2018-10-31 2019-09-17 滨州市农业机械化科学研究所 A kind of herbage flatting apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR978059A (en) * 1948-11-13 1951-04-09 Improvements to presses intended for the manufacture of agglomerates
GB692518A (en) * 1951-01-31 1953-06-10 E R & F Turner Ltd Automatic engaging and disengaging of grinding rolls
CN203410059U (en) * 2013-08-30 2014-01-29 北钢联(北京)重工科技有限公司 Medical dressing wiping dehydrator
KR101511013B1 (en) * 2014-06-09 2015-04-09 오승민 Three roll type roll bending machine
CN106106610A (en) * 2016-08-29 2016-11-16 杨安旭 A kind of flattening mechanism of Dumpling wrapper processing machine
CN209395294U (en) * 2018-10-31 2019-09-17 滨州市农业机械化科学研究所 A kind of herbage flatting apparatus

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