Multifunctional plowing weeding machine for crop planting and use method thereof

文档序号:884757 发布日期:2021-03-23 浏览:21次 中文

阅读说明:本技术 一种农作物种植用多功能翻地除草机及其使用方法 (Multifunctional plowing weeding machine for crop planting and use method thereof ) 是由 邹金华 于 2020-12-14 设计创作,主要内容包括:本发明公开了一种农作物种植用多功能翻地除草机,包括支撑轴,所述支撑轴数量为两个且左右对称设置,每个所述支撑轴上均设有翻地除草装置,每个所述翻地除草装置上方设有调节装置,两个所述调节装置上方设有一控制装置,本发明通设置翻地除草装置使得农作物两边杂草下面的土壤被翻新至远离农作物的一侧,并将远处的杂草覆盖,同时使农作物两边形成凹槽,下雨天时可以存水,更有利于农作物吸收水分,在翻滚的同时,可将处于一条直线上相邻的两个农作物之间的杂草除去。(The invention discloses a multifunctional land-turning weeding machine for crop planting, which comprises two support shafts, wherein the two support shafts are arranged in bilateral symmetry, each support shaft is provided with a land-turning weeding device, an adjusting device is arranged above each land-turning weeding device, and a control device is arranged above the two adjusting devices.)

1. The utility model provides a crops are planted with multi-functional weeder that turns over, includes support shaft (43), its characterized in that: the utility model discloses a weeding machine, including support shaft (43), support shaft (43) quantity be two and bilateral symmetry sets up, every all be equipped with the weeding device that turns over the ground on support shaft (43), every it is equipped with adjusting device, two to turn over the weeding device top is equipped with a controlling means, the weeding device that turns over the ground is including fixed ball bearing (40) of establishing on support shaft (43), ball bearing (40) inner circle with support shaft (43) pressure equipment is connected, the fixed cover in ball bearing (40) outer lane is equipped with and traveles wheel (39), traveles wheel (39) and ground butt, a fixed bolt (49) that is equipped with of support shaft (43) terminal surface, can dismantle on bolt (49) and be equipped with native pear piece (48) of turning over, still can dismantle on bolt (49) and be equipped with nut (50), nut (50) are located for support shaft (43) the outside of native pear piece (, support shaft (43) one end face has been seted up and has been placed groove (41), it is equipped with a tilting lever (47) to place groove (41) inner wall fixed, the cover is equipped with linear bearing (46) on tilting lever (47), linear bearing (46) are gone up and are fixed and are equipped with horizontal pole (45), horizontal pole (45) up end with place groove (41) lower extreme wall and connect, two through first spring (42) horizontal pole (45) relative terminal surface is fixed clamp plate (51) respectively.

2. The multifunctional weeding machine for crop planting according to claim 1, wherein: the field-turning weeding device also comprises a rotating plate (14) which is rotationally connected with the two supporting shafts (43), a hollow cavity (15) is arranged on the cross beam of the rotating plate (14), two groups of sliding assemblies are symmetrically arranged in the hollow cavity (15) from left to right, the sliding assembly comprises connecting plates (17) which are arranged in the hollow cavity (15) in a sliding manner, one end face of each of the two connecting plates (17) is connected through a second spring (16), the connecting plate (17) is fixedly connected with the clamping plate (51) below the connecting plate, a lifting platform (19) is fixedly arranged on the upper end surface of the connecting plate (17), a sliding cavity (21) is arranged on one end surface of the lifting platform (19), slide in the chamber of sliding (21) and be equipped with auxiliary rod (23), an end face of auxiliary rod (23) with slide chamber (21) inner wall and pass through third spring (20) and connect, two auxiliary rod (23) offset.

3. The multifunctional weeding machine for crop planting according to claim 2, wherein: the weeding device for turning over the ground further comprises two groups of elastic components which are arranged on the rotating plate (14) in a bilateral symmetry mode, each elastic component comprises a supporting plate (25) fixedly arranged on the upper end face of a cross beam of the rotating plate (14), an open slot (24) is formed in one end face of each supporting plate (25), fourth springs (18) are arranged on the lower end wall of each open slot (24), a sliding plate (36) is arranged on the upper end face of each fourth spring (18), two groups of rolling parts are symmetrically arranged on the sliding plates (36) in the bilateral direction, each rolling part comprises a rolling cavity (37) formed in the lower end face of each sliding plate (36), balls (38) are arranged in each rolling cavity (37) in a rolling mode, a motor (32) is fixedly arranged on the left end face of the supporting plate (25) on the right side, an intermediate shaft (35) is fixedly arranged on the output shaft of, the upper end face of the sliding plate (36) is fixedly provided with a stress platform (31), the circumference of the upper end face of the stress platform (31) is uniformly provided with a plurality of groups of rotating assemblies, each rotating assembly comprises a rotating cavity (60) arranged on the upper end face of the stress platform (31), a ball (61) is arranged in the rotating cavity (60) in a rolling mode, and the ball (61) abuts against the cam (33).

4. The multifunctional weeding machine for crop planting according to claim 1, wherein: adjusting device is including offering in adjustment tank (52) of back shaft (43) up end, spacing chamber (62) have been seted up to end wall around adjustment tank (52), spacing chamber (62) inner wall circumference evenly is equipped with a plurality of spacing holes (53), end wall rotates around spacing chamber (62) and is equipped with a axis of rotation (54), fixed being equipped with on axis of rotation (54) rotor plate (14), flexible chamber (63) have been seted up on axis of rotation (54), it is equipped with spacer pin (65) to slide in flexible chamber (63), spacer pin (65) up end with flexible chamber (63) upper end wall passes through fifth spring (64) and connects.

5. The multifunctional weeding machine for crop planting according to claim 4, wherein: adjusting device is still bilateral symmetry and sets up two frames (11) on rotor plate (14), two frame (11) relative terminal surface is fixed and is equipped with a workstation (26), bilateral symmetry is equipped with two sets of flexible subassemblies on workstation (26), flexible subassembly is including seting up chamber (27) that resets at workstation (26) up end, it is equipped with flexible piece (29) to slide in chamber (27) resets, flexible piece (29) down the terminal surface with chamber (27) lower extreme wall resets is connected through sixth spring (28), flexible piece (29) a terminal surface with spacer pin (65) up end passes through wire rope (13) and connects.

6. The multifunctional weeding machine for crop planting according to claim 1, wherein: controlling means is including fixed handle (30) that sets up at workstation (26) up end, circuit chamber (57) have been seted up to handle (30) up end, the fixed first circular telegram piece (59) that is equipped with of circuit chamber (57) lower terminal wall, first circular telegram piece (59) are connected with the power through the electric wire, it is equipped with button (56) to slide in circuit chamber (57), terminal surface under button (56) with circuit chamber (57) inner wall passes through sixth spring (55) and connects, the terminal surface is fixed to be equipped with second circular telegram piece (58) under button (56), second circular telegram piece (58) with motor (32) pass through the connection of electric lines.

7. The use method of the multifunctional weeding machine for crop planting according to any one of claims 1 to 6, wherein: comprises the following steps;

s1, pressing a telescopic block (29) by two hands respectively to enable a frame (11) to rotate by a certain angle so as to adapt to the height of an operator;

s2, after the handles (30) are respectively held by two hands, the soil turning pear slices are mounted on the soil turning pear slices after the soil turning pear slices are pushed to be positioned between two running wheels (39);

s3, the left and right sides of the soil of the crops are rolled to one side far away from the crops by the turning pear sheets (48) when the two hands hold the handles (30) respectively to push the field to run in the field, and weeds on the two sides of the crops are removed by the turning pear sheets (48) or covered by the rolled soil of the turning pear sheets (48);

s4, in the process of turning soil, when weeds exist between two adjacent crops on one straight line, an operator manually presses a button (56) downwards, a motor (32) is started, and a clamping plate (51) eradicates the weeds between the two crops with roots;

s5, after the use of the invention is finished, the soil-turning pear slices (48) are detached from the invention, and then the telescopic blocks (29) are pressed again after the placement position is pushed, so that the frame (11) is reset, and the excessive space is not occupied during storage.

Technical Field

The invention belongs to the field of crop mechanical equipment, and particularly relates to a use method of a multifunctional plowing weeding machine for crop planting.

Background

With the development of agricultural industrialization, crop planting tends to be more standardized, crops are usually planted in a chessboard shape in a standardized manner, weeds often exist among the crops, large-scale machinery cannot enter the field, the weeds cannot be removed efficiently through the machinery, the weeds can only be pulled out manually, or pesticides are directly applied, the pesticides cannot completely remove the weeds, the weeds in the field still need to be removed manually, the efficiency of manually removing the weeds in the field is low, and the effect cannot be guaranteed.

Disclosure of Invention

The invention aims to solve the problem that the field weeds cannot be efficiently and massively treated by machinery in the prior art, and provides a using method of the multifunctional weeding machine for turning over the field for planting crops.

The technical scheme of the invention is as follows: a multifunctional plowing weeding machine for crop planting comprises support shafts, wherein the number of the support shafts is two, the support shafts are arranged in a bilateral symmetry mode, each support shaft is provided with a plowing weeding device, each plowing weeding device is provided with an adjusting device above the plowing weeding device, a control device is arranged above the two adjusting devices, the plowing weeding device comprises a ball bearing fixedly sleeved on the support shaft, an inner ring of the ball bearing is connected with the support shaft in a press fit mode, a traveling wheel is fixedly sleeved on the outer ring of the ball bearing and abutted against the ground, one end face of each support shaft is fixedly provided with a bolt, a plowing pear slice is detachably arranged on the bolt, a nut is detachably arranged on the bolt and is positioned outside the plowing pear slice relative to the support shaft, one end face of each support shaft is provided with a placement groove, and an inclined rod is fixedly arranged on the inner, the inclined rod is sleeved with a linear bearing, a cross rod is fixedly arranged on the linear bearing, the upper end face of the cross rod is connected with the lower end wall of the containing groove through a first spring, and two opposite end faces of the cross rods are respectively and fixedly provided with a clamping plate.

Preferably, the weeding device turns over still include with two a rotor plate that the back shaft rotates to be connected, be equipped with hollow chamber on the rotor plate crossbeam, hollow intracavity bilateral symmetry is equipped with two sets of sliding assembly, sliding assembly sets up the connecting plate of hollow intracavity including sliding, two the relative terminal surface of connecting plate passes through the second spring coupling, the connecting plate rather than the below pinch-off blades fixed connection, the fixed elevating platform that is equipped with of connecting plate up end, the slip chamber has been seted up to elevating platform terminal surface, the slip intracavity slides and is equipped with the auxiliary rod, an auxiliary rod terminal surface with the slip intracavity wall passes through third spring coupling, two the auxiliary rod offsets.

Preferably, the weeding device for turning over the ground also comprises two groups of elastic components which are arranged on the rotating plate in a bilateral symmetry manner, each elastic component comprises a supporting plate fixedly arranged on the upper end surface of a beam of the rotating plate, an open slot is formed in one end surface of each supporting plate, fourth springs are arranged on the lower end walls of the open slots, a sliding plate is arranged on the upper end surfaces of the two fourth springs, two groups of rolling components are arranged on the sliding plate in a bilateral symmetry manner, each rolling component comprises a rolling cavity formed in the lower end surface of the sliding plate, rolling balls are arranged in the rolling cavities in a rolling manner, a motor is fixedly arranged on the left end surface of the supporting plate on the right side, an intermediate shaft is fixedly arranged on the output shaft of the motor, a cam is fixedly arranged on the intermediate shaft, a stress platform is fixedly arranged on the upper end surface of the sliding plate, a plurality of, and a ball is arranged in the rotating cavity in a rolling manner and is abutted against the cam.

Preferably, adjusting device is including seting up the adjustment tank at the back shaft up end, spacing chamber has been seted up to the end wall around the adjustment tank, spacing intracavity wall circumference evenly is equipped with a plurality of spacing holes, the end wall rotates around the spacing chamber and is equipped with an axis of rotation, it is equipped with to fix in the axis of rotation the rotor plate, flexible chamber has been seted up in the axis of rotation, flexible intracavity slides and is equipped with the spacer pin, the spacer pin up end with flexible chamber up end wall passes through fifth spring coupling.

Preferably, adjusting device still includes that bilateral symmetry sets up two frames on the rotor plate, two a frame is fixed to be equipped with a workstation relative terminal surface, bilateral symmetry is equipped with two sets of flexible subassemblies on the workstation, flexible subassembly is including seting up the chamber that resets at the workstation up end, it is equipped with flexible piece to reset the intracavity slip, flexible piece down the terminal surface with the chamber that resets down the terminal wall passes through sixth spring coupling, flexible piece a terminal surface with the terminal surface passes through wire rope connection on the spacing round pin.

Preferably, controlling means is including the fixed handle that sets up at the workstation up end, the circuit chamber has been seted up to the handle up end, the fixed first circular telegram piece that is equipped with of circuit chamber lower extreme wall, first circular telegram piece passes through the electric wire and is connected with the power, the circuit intracavity slides and is equipped with the button, under the button terminal surface with circuit intracavity wall passes through sixth spring coupling, the terminal surface is fixed to be equipped with the second circular telegram piece under the button, the second circular telegram piece with the motor passes through connection of electric lines.

In addition, the invention also provides a use method of the multifunctional plowing weeder for crop planting, which comprises the following steps;

s1, pressing the telescopic blocks by two hands respectively to enable a frame to rotate by a certain angle so as to adapt to the height of an operator;

s2, after the handles are respectively held by two hands, the soil turning pear slice is mounted on the soil turning pear slice after the soil turning pear slice is pushed to a position where crops are located between two running wheels;

s3, two hands respectively hold handles to push the soil-turning machine to drive in the field, at the moment, soil on the left side and the right side of the crops is rolled to one side far away from the farming, and at the moment, weeds on the two sides of the crops are removed by the soil-turning pear slices or covered by the rolled soil of the soil-turning pear slices;

s4, in the process of turning soil, when weeds exist between two adjacent crops on one straight line, an operator manually presses a button downwards, a motor is started, and a clamping plate eradicates the weeds between the two crops with roots;

s5, after the soil turning pear slices are used, the soil turning pear slices are detached from the soil turning pear slices, the placement positions are pushed, the telescopic blocks are pressed again, the frame is reset, and therefore the soil turning pear slices do not occupy too much space during storage.

Has the advantages that:

1. the soil below the weeds on two sides of the crops is renovated to one side far away from the crops by arranging the land-turning weeding device, the weeds at the far side are covered, and meanwhile, the grooves are formed on two sides of the crops, so that water can be stored in the crops in rainy days, the moisture absorption of the crops is facilitated, and the weeds between two adjacent crops on a straight line can be removed while the crops roll;

2. the height of the invention can be adjusted by arranging the adjusting device so as to adapt to people with different heights, so that the invention has wider application range, and meanwhile, after the use of the invention is finished, the invention can be vertically placed, so that the invention occupies too much space when being stored.

Drawings

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;

FIG. 4 is a cross-sectional view at C-C of FIG. 1;

FIG. 5 is an enlarged schematic view at D of FIG. 1;

in the figure, a frame 11, a steel wire rope 13, a rotating plate 14, a hollow cavity 15, a second spring 16, a connecting plate 17, a fourth spring 18, a lifting platform 19, a third spring 20, a sliding cavity 21, an auxiliary rod 23, an open slot 24, a supporting plate 25, a working platform 26, a return cavity 27, a sixth spring 28, a telescopic block 29, a handle 30, a force bearing platform 31, a motor 32, a cam 33, an intermediate shaft 35, a sliding plate 36, a rolling cavity 37, a ball 38 and a running wheel 39, the device comprises a ball bearing 40, a placement groove 41, a first spring 42, a support shaft 43, a cross bar 45, a linear bearing 46, an inclined rod 47, a turned pear piece 48, a bolt 49, a nut 50, a clamping plate 51, an adjusting groove 52, a limiting hole 53, a rotating shaft 54, a sixth spring 55, a button 56, a circuit cavity 57, a second electrifying block 58, a first electrifying block 59, a rotating cavity 60, a ball 61, a limiting cavity 62, a telescopic cavity 63, a fifth spring 64 and a limiting pin 65.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. For convenience of description, the specific form of the spring attachment is not described below, and may be provided in the conventional manner of a mechanical design manual, i.e., by providing a groove or protrusion for positioning the spring.

As shown in fig. 1 and 2, the multifunctional weeding machine for turning over the ground for crop planting comprises a supporting shaft 43, wherein the number of the supporting shaft 43 is two, the supporting shaft 43 is arranged in bilateral symmetry, each supporting shaft 43 is provided with a weeding device for turning over the ground, each weeding device for turning over the ground is provided with an adjusting device, two adjusting devices are arranged above each adjusting device, each weeding device for turning over the ground comprises a ball bearing 40 fixedly sleeved on the supporting shaft 43, the inner ring of the ball bearing 40 is connected with the supporting shaft 43 in a press-fitting manner, the outer ring of the ball bearing 40 is fixedly sleeved with a traveling wheel 39, the traveling wheel 39 is abutted against the ground, one end face of the supporting shaft 43 is fixedly provided with a bolt 49, a pear piece 48 for turning over the soil is detachably arranged on the bolt 49, the bolt 49 is also detachably provided with a nut 50, and the nut 50 is positioned, the utility model discloses a clamping plate, including support shaft 43, place groove 41, inclined rod 47, linear bearing 46, horizontal pole 45 up end with place groove 41 lower extreme wall is connected through first spring 42, two fixed clamp plate 51 that is equipped with respectively to the relative terminal surface of horizontal pole 45.

When the invention is in use, the invention is pushed to the field so that the centre line of the crop in a straight line coincides with the centre line between the two running wheels 39; the two digging pear sheets 48 are arranged on the bolts 49, the digging pear sheets 48 are bolted on the supporting shaft 43 by the nuts 50, the invention is pushed to enable the two running wheels 39 to run on two sides of crops, the digging pear sheets 48 renovate soil on two sides of the crops and cover the side far away from the crops and cover weeds on the ground, when the clamping plates 51 are pressed downwards, the clamping plates 51 move downwards and approach each other, when weeds exist between the crops, the two clamping plates 51 can clamp the roots of the crops and rotate forwards along with the running wheels 39, and the weeds are taken out of the soil by the two clamping plates 51.

As shown in fig. 1, the weeding device for turning over the ground further comprises a rotating plate 14 rotatably connected with the two supporting shafts 43, a hollow cavity 15 is formed in a cross beam of the rotating plate 14, two sets of sliding assemblies are symmetrically arranged in the hollow cavity 15 in a bilateral mode, each sliding assembly comprises a connecting plate 17 which is slidably arranged in the hollow cavity 15, two opposite end faces of the connecting plates 17 are connected through a second spring 16, the connecting plates 17 are fixedly connected with the clamping plates 51 below the connecting plates 17, a lifting table 19 is fixedly arranged on the upper end face of each connecting plate 17, a sliding cavity 21 is formed in one end face of each lifting table 19, an auxiliary rod 23 is slidably arranged in each sliding cavity 21, one end face of each auxiliary rod 23 is connected with the inner wall of each sliding cavity 21 through a third spring 20, and the two auxiliary rods 23 abut against each other.

When the lifting platform 19 is pressed downwards, the lifting platform 19 moves downwards, the lifting platform 19 drives the connecting plate 17 to move downwards, the connecting plate 17 is fixedly connected with the clamping plate 51, the clamping plate 51 is driven to move downwards when the connecting plate 17 moves downwards, the cross rod 45 is driven to move downwards when the clamping plate 51 moves downwards, the cross rod 45 moves downwards on the inclined rod 47, the two cross rods 45 are close to each other, the cross rod 45 drives the two connecting plates 17 to close to each other, and the two connecting plates 17 drive the two auxiliary rods 23 to move into the sliding cavity 21.

As shown in fig. 1 and 3, the weeding device for plowing further comprises two sets of elastic components which are arranged on the rotating plate 14 in bilateral symmetry, the elastic components comprise supporting plates 25 which are fixedly arranged on the upper end surface of the beam of the rotating plate 14, an open slot 24 is formed in one end surface of each supporting plate 25, the lower end wall of each open slot 24 is provided with a fourth spring 18, the upper end surfaces of the two fourth springs 18 are provided with a sliding plate 36, two sets of rolling components are arranged on the sliding plate 36 in bilateral symmetry, each rolling component comprises a rolling cavity 37 which is formed in the lower end surface of the sliding plate 36, balls 38 are arranged in the rolling cavity 37 in a rolling mode, a motor 32 is fixedly arranged on the left end surface of the supporting plate 25 on the right side, an intermediate shaft 35 is fixedly arranged on the output shaft of the motor 32, a cam 33 is fixedly arranged on the intermediate shaft 35, a stress platform 31 is fixedly arranged on the upper end, the rotating assembly comprises a rotating cavity 60 arranged on the upper end surface of the stress platform 31, a ball 61 is arranged in the rotating cavity 60 in a rolling mode, and the ball 61 abuts against the cam 33.

When an operator uses the invention and finds weeds among crops, the motor 32 is started to drive the intermediate shaft 35 to rotate, the intermediate shaft 35 drives the cam 33 to rotate, the cam 33 rotates to enable the stress platform 31 to move up and down, the stress platform 31 drives the sliding plate 36 to move up and down, when the sliding plate 36 moves down, the lifting platform 19 is driven to move down, and the fourth spring 18 is compressed.

As shown in fig. 1 and 4, the adjusting device includes an adjusting groove 52 formed in the upper end surface of the supporting shaft 43, a front end wall and a rear end wall of the adjusting groove 52 are provided with a limiting cavity 62, a plurality of limiting holes 53 are uniformly formed in the circumference of the inner wall of the limiting cavity 62, a rotating shaft 54 is arranged in the front end wall and the rear end wall of the limiting cavity 62 in a rotating manner, the rotating plate 14 is fixedly arranged on the rotating shaft 54, a telescopic cavity 63 is formed in the rotating shaft 54, a limiting pin 65 is slidably arranged in the telescopic cavity 63, and the upper end surface of the limiting pin 65 is connected with the upper end wall of the telescopic cavity 63 through a fifth.

As shown in fig. 1, the adjusting device further includes two frames 11 arranged on the rotating plate 14 in bilateral symmetry, two fixed workbenches 26 that are arranged on the opposite end faces of the frames 11, the bilateral symmetry is arranged on the workbenches 26 and is provided with two sets of telescopic assemblies, each telescopic assembly comprises a reset cavity 27 arranged on the upper end face of the corresponding workbench 26, a telescopic block 29 is arranged in the reset cavity 27 in a sliding manner, the lower end face of the telescopic block 29 is connected with the lower end wall of the reset cavity 27 through a sixth spring 28, and one end face of the telescopic block 29 is connected with the upper end face of the limit pin 65 through a steel wire rope 13

When the operator uses the invention, the operator can press the telescopic block 29 downwards by two hands respectively, the telescopic block 29 drives the limit pin 65 to move upwards through the steel wire rope 13 until the limit pin 65 is separated from the limit hole 53, at the moment, the operator can hold the worktable 26 to enable the frame 11 to rotate around the rotating shaft 54, so that the height of the frame 11 is adapted to the height of the operator, and the frame 11 is inclined to the horizontal ground by a certain angle, so that the operator can conveniently push the invention to walk in the field.

As shown in fig. 1 and 5, the control device includes a handle 30 fixedly disposed on an upper end surface of the worktable 26, a circuit cavity 57 is disposed on the upper end surface of the handle 30, a first electrifying block 59 is fixedly disposed on a lower end wall of the circuit cavity 57, the first electrifying block 59 is connected with a power supply through an electric wire, a button 56 is slidably disposed in the circuit cavity 57, a lower end surface of the button 56 is connected with an inner wall of the circuit cavity 57 through a sixth spring 55, a second electrifying block 58 is fixedly disposed on a lower end surface of the button 56, and the second electrifying block 58 is connected with the motor 32 through an electric wire.

When an operator holds the handle 30 with both hands to use the invention, the handle 30 is pushed to drive the driving wheels 39 in the field, when the operator finds weeds among crops, the sixth spring 55 is pressed downwards to enable the second electrifying block 58 to be abutted against the first electrifying block 59, the power supply, the first electrifying block 59, the second electrifying block 58 and the motor 32 form a closed loop, the motor 32 is started, and the two clamping plates 51 are controlled to move close to each other and move downwards.

Other parts in the present invention are not described in detail for the prior art.

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