CN106993496B - Remote automatic net laying and collecting device and method for agricultural protective net - Google Patents
Remote automatic net laying and collecting device and method for agricultural protective net Download PDFInfo
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- CN106993496B CN106993496B CN201710173353.5A CN201710173353A CN106993496B CN 106993496 B CN106993496 B CN 106993496B CN 201710173353 A CN201710173353 A CN 201710173353A CN 106993496 B CN106993496 B CN 106993496B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/025—Devices for laying-out or removing plant coverings
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Abstract
The invention discloses a remote automatic net laying and collecting device for an agricultural protective net, which comprises two stand columns, wherein a cross rod is fixed at the upper part of each stand column, and the two stand columns form a cross bracket; three framework steel wire ropes are horizontally stretched between the two upright posts and are of a parallel structure with one upper framework steel wire rope and two lower framework steel wire ropes; the lower framework steel wire ropes are respectively provided with a trawl trolley, each straining frame below the framework steel wire ropes is provided with a dragging steel wire rope capable of moving horizontally, and the dragging steel wire ropes are fixedly connected to the corresponding trawl trolleys; the framework steel wire ropes are provided with protective nets, two opposite sides of each protective net are respectively in sliding connection with the framework steel wire ropes below the protective nets, the two opposite sides of each protective net are fixed, and the other sides of the protective nets are connected with the two trawl trolleys. The dragging steel wire rope is driven to move, the two trawl trolleys are driven to synchronously move along the framework steel wire rope, and the movable side of the protective net is driven to push from one end to the other end, so that the processes of lapping and collecting nets are completed.
Description
Technical Field
The invention belongs to the technical field of agricultural appliances, and particularly relates to a device and a method for remotely and automatically paving and collecting an agricultural protective net, in particular to a device and a method for remotely and automatically paving and collecting a hail net for hail resistance, disaster prevention and reduction of an orchard.
Background
The net laying and collecting are the net building, and the protection net is usually needed to be built in agricultural production and used for resisting the loss of crops caused by artificial or natural disasters. For example, a hail suppression net is built in fruit industry production, and the hail suppression net is an effective measure for preventing hail disasters in modern fruit industry production. Especially, the hail suppression net is built in an orchard with a key hail area, so that loss caused by hail disasters can be greatly reduced, and the hail suppression net has great significance for fruit industry enterprises and fruit growers in disaster prevention, disaster reduction, income increase and poverty reduction. The hail suppression net protects fruit trees from hail attack and is mainly realized through two aspects of nets with reliable quality and the construction of the nets. Usually, the net is built before the hail season comes, the net is spread and erected above the top end of the fruit tree, and after the hail season passes or before apples are picked, the net is recycled for reuse in the next year.
The existing agricultural protective net recovery net has two modes, one mode is to lift the net off the steel wire framework by manpower for storage, and the other mode is to fold the net at one end of the framework upright post and bind the net together for use in the next year. However, the net is built and collected manually, automation is not realized, building is labor-consuming and time-consuming, and farmers build the net by themselves, so that the enthusiasm of using the net is directly influenced. The net building quality has direct influence on the use effect and the wind resistance. At present, the production of nets is industrialized, the construction is completely manual, the quality of the construction of farmers is uneven, the construction materials are not uniform and standard, and troubles are often caused to the farmers. It is known from data and actual research that domestic agricultural net, if the erection of hail suppression net mainly adopt cement pole, tree (wood) stake or steel pipe as net support mobile jib, steel (iron) silk is as the net skeleton, adopts ridge shape, unilateral inclined plane shape and horizontal shape to build the form mostly, in the most common ridge shape mode of buildding in the apple main producing area orchard of china. The production or research unit of the existing protective net pays attention to the researches on the aspects of net structure, specification, strength, ageing resistance, light transmittance, apple growth, environmental influence and the like, but does not pay much attention to the problems built in the use of users, and some protective nets are only limited to building suggestions. The building convenience, the style standardization, the material uniformity, the building automation and the like are lack of deep research.
Disclosure of Invention
The invention aims to provide a remote automatic net laying and collecting device for an agricultural protective net.
The invention also aims to provide the method for remotely and automatically paving and collecting the agricultural protective net, which solves the problem that the existing protective net is inconvenient and irregular to build.
The technical scheme adopted by the invention is that the remote automatic net laying and collecting device for the agricultural protection net comprises at least one group of net laying and collecting units, wherein each net laying and collecting unit comprises two stand columns, a cross rod is fixed at the upper part of each stand column, and the two stand columns form a cross bracket; a framework steel wire rope A is horizontally stretched between the top ends of the two upright posts, the transverse rods of the two upright posts are symmetrically provided with the framework steel wire rope B, C, and the three framework steel wire ropes A, B, C are of an upper and a lower parallel structure; a trawl trolley is respectively arranged on the framework steel wire ropes B, C; each stretching frame below the framework steel wire rope B, C is provided with a dragging steel wire rope which can move horizontally, and each dragging steel wire rope is fixedly connected to a corresponding trawl trolley; a protective net is erected on the framework steel wire rope, and two opposite sides of the protective net are respectively in sliding connection with the framework steel wire rope B, C and can move horizontally; one of the other two opposite sides of the protective net is fixed on one cross-shaped bracket and serves as a fixed side, the other side of the protective net serves as a movable side, and two ends of the movable side are connected with the two trawl trolleys.
The invention is also characterized in that:
furthermore, the outer end of each upright post cross rod is provided with a dragging steel rope pulley, a driver is arranged at the waist position of one upright post, the dragging steel rope pulley and the driver are used for driving the dragging steel rope to move horizontally, so that the automatic movement of the trawl trolley is realized, and the lapping and collecting processes are further automated.
Furthermore, splayed hook hanging rods are hinged between the two ends of the cross rod of the cross support without the fixed edge of the protective net and the top ends of the stand columns, the hook hanging rods can rotate around a shaft, and hooks used for hooking the movable edges of the protective net are further arranged on the hook hanging rods. The movable side of the protective net can be fixed by arranging the hook rod, so that the movable side is prevented from being separated due to artificial or natural reasons; the rotary structure realizes the purpose that the hook rod automatically hooks or disengages from the protective net, and the trouble of manual hook is saved.
Furthermore, the hook hanging rod is provided with the traction steel rope pulley, the traction steel rope pulley is wound with the traction steel rope, the two ends of the traction steel rope are movable, the hook hanging rod rotates through the pulling of the two ends of the traction steel rope, the movable edge of the protective net can be hooked or separated manually only by operating the traction steel rope on the ground, the operation is convenient and rapid, the problems of unsafety and labor waste caused by people climbing high and unloading the net ring at the movable end are solved, and the labor is saved.
Furthermore, the two opposite sides of the protective net are respectively connected with the framework steel wire rope B, C in a sliding manner and can move horizontally relative to each other, and the protective net is hung on the framework steel wire rope B, C through net edge hanging rings. The trawl trolley is connected with the first net edge hanging ring closest to the movable edge of the protective net. The form of the hanging ring is simple in structure, low in cost, easy to maintain, flexible in dragging process and convenient for pulling the protective net.
Further, the structure of trawl trolley is: the upper part of the trawl trolley is hung on the framework steel rope in a penetrating way, the upper part of the trawl trolley is provided with a groove, a section of framework steel rope is exposed at the position of the groove, and the bottom of the trawl trolley is fixedly connected with the dragging steel rope; the first net edge hanging ring closest to the movable edge of the protective net is hung on the framework steel rope at the groove of the trawl trolley, and the trawl trolley is flexible in movement under the structure, so that the processes of lapping and collecting nets can be smoothly realized.
Furthermore, an inclined steel wire rope is arranged between the two ends of the cross rod of the fixed side of the fixed protective net and the top end of the stand column, and the fixed side of the protective net is fixed on the inclined steel wire rope, so that the protective net is conveniently fixed, and the uniformity of the edge of the protective net is also ensured.
Furthermore, the reinforcing rods are arranged on the outer sides of the cross rods and used for reinforcing and supporting the two cross rods and preventing the cross rods from being deformed or broken in the process of laying and collecting the net.
According to the other technical scheme, the method for laying and collecting the nets by the automatic remote agricultural protective net laying and collecting device is adopted, the dragging steel wire ropes are driven to move, the two dragging steel wire ropes drive the two trawl trolleys to synchronously move along the framework steel wire rope B, C, and the two trawl trolleys drive the movable side of the protective net to push from one end to the other end, so that the process of laying and collecting the nets is completed.
Another method for laying and collecting the net by adopting the agricultural protective net remote automatic laying and collecting device is as follows: pulling the traction steel wire rope to drive the traction steel wire rope wheel to rotate, so that the hook rod rotates, and the hook is further separated from the movable edge of the protective net; then the two dragging steel wire ropes are driven to drive the two dragging net trolleys to synchronously move along the framework steel wire rope B, C, and the movable side of the protective net is driven to be pushed to the fixed side of the other side from the hooking rod and then stopped, so that net collection is completed;
the lapping method comprises the following steps: the two dragging steel wire ropes are driven to move reversely, the two dragging steel wire ropes drive the two dragging net trolleys to synchronously move along the framework steel wire rope B, C, and the movable side of the protective net is driven to be pushed to the hooking rod on the other side from the fixed side and then stopped; and then the traction steel wire rope is pulled reversely to drive the traction steel wire rope wheel to rotate reversely, so that the hook rod rotates reversely, and the hook hooks the movable edge of the protective net to complete net laying.
The method has the advantages that the construction problem of a peasant in the process of using the protective net is solved, the construction labor intensity is reduced, the construction period is shortened, the automatic construction of the protective net is realized, the automatic driving of laying and collecting the net is achieved, and the method has great practical significance in the aspects of improving the automation of disaster prevention and reduction, improving the convenience level and the like by combining with the remote control of weather forecast.
Drawings
FIG. 1 is a front view of the structure of the remote automatic net laying and collecting device for the agricultural protection net of the invention;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 is a three-view (top left front view, top right left view, bottom left view) of the construction of the reel seat and reel of the steel cord of the embodiment;
FIG. 4 is a schematic diagram of an embodiment of a driver and its components;
FIG. 5 is a schematic structural view of an embodiment trawl cart;
FIG. 6 is a schematic structural view of an embodiment hooking rod assembly;
3 FIG. 3 7 3 is 3 a 3 view 3 from 3 the 3 A 3- 3 A 3 direction 3 of 3 FIG. 3 6 3; 3
FIG. 8 is a schematic structural view of an embodiment reinforcement bar.
The steel wire rope comprises a ground cage 1, a bolt 2, a flange 3, an upright post 4, a framework steel rope 5 and a diagonal steel wire rope 6; 7. a framework steel rope winding wheel, a 7-a1. winding wheel seat, a 7-a2 winding wheel, a 7-a3. ratchet wheel and a 7-a4. pawl; 8. framework steel wire ropes A, 9, a protective net, 10, net edge hanging rings, 11, a dragging steel wire rope, 12, a dragging trolley, 12-a1. trolley upper parts, 12-a2, a groove, 12-a3. trolley bottom parts, 13, a dragging steel wire rope, 14, a driver, 14-a1. driver main machine, 14-a2, a driver control unit, 14-a3. coupler, 14-a4. dragging steel wire rope reel, 14-a5. reel supporting structure sliding groove, 14-a6.U2The device comprises a profile clamp, 14-a7. driver supports, 15 cross bars, 16 hooking rods and 17 dragging steel rope pulleys;
Detailed Description
The present invention will be described in further detail with reference to the drawings and the following detailed description, but the present invention is not limited to these embodiments.
The structure of the remote automatic net laying and collecting device for the agricultural protective net comprises two groups of net laying and collecting units, as shown in figure 1, each net laying and collecting unit comprises two upright posts 4 playing a supporting role, each upright post 4 adopts a thin-wall square tube, the bottom end of each square tube is welded with a flange 3, and each flange 3 is connected with an embedded ground cage 1 through a bolt 2 so as to fix the protective net supporting upright posts; the column 4 can also be fixed by directly burying the cement column in the ground. The left and right cross bars 15 are fixed by bolts at the upper position of each upright post 4, so that the cross bars and the upright posts 4 form a cross shape, as shown in fig. 2. The top ends of the two upright posts are respectively provided with a framework steel rope rolling wheel 7, the framework steel rope rolling wheel 7 comprises a rolling wheel seat 7-a1 and a rolling wheel 7-a2, and further comprises a ratchet wheel 7-A3 and a pawl 7-a4 for tensioning the framework steel rope, as shown in fig. 3, a framework steel rope A8 is horizontally stretched through the rolling wheel seat and the rolling wheel, two outer ends of two upright post cross bars 15 are respectively provided with a framework steel rope rolling wheel seat and a rolling wheel 15-a4 (see fig. 8, the structures are the same as 7-a1 and 7-a2), framework steel rope B5 and C5 are stretched at the outer ends of the two cross bars through the framework steel rope rolling wheel seat and the rolling wheel 15-a4, framework steel ropes A8, B5 and C5 are arranged in an upper and a lower parallel structure, and the three steel ropes form a framework built by the roof type protective net. The framework steel ropes B5 and C5 are respectively provided with a trawl car 12 in a penetrating way, the specific structure of the trawl car is shown in figure 4, the upper part 12-a1 of the trawl car with a groove 12-a2 is penetrated and hung on the framework steel rope 5, and a section of the framework steel rope is exposed at the position of the groove 12-a2.
The outer end of each upright post cross bar 15 is provided with a dragging steel rope pulley 17, a dragging steel rope 11 is stretched between the dragging steel rope pulleys 17 which are symmetrical to the left upright post and the right upright post, namely, the dragging steel rope 11 is respectively arranged below the framework steel ropes B5 and C5. A driver 14 (only one driver is needed for each unit) is arranged at the waist position of the upright post 4, the structure of the driver 14 is shown in figure 5 and mainly comprises a driver main machine 14-a1, a driver control unit 14-a2, a coupler 14-a3, a pair of dragging wire rope reels 14-a4, a reel support structure sliding groove 14-a5, a U-shaped reel support structure sliding groove 14-a52The type card 14-a6 and the driver support 14-a7, two dragging steel cables are respectively wound on a dragging steel cable winding wheel 14-a4 (symmetrically and crossly wound on the winding wheel in a shape of 8), and the winding wheel 14-a4 can be adjusted up and down along the fixed sliding groove 14-a5 so as to tension the dragging steel cable and realize the horizontal movement of the dragging steel cable 11. Drive mount 14-a7 passing through U2The type card 14-a6 is connected on the upright post under the reel 14-a4 by a hoop, the height position of the driver support is adjusted, two output shafts of the driver and the reel 14-a4 are coaxial, and the two output shafts are connected by a coupler 14-a3, so that the synchronous motion of two dragging steel wire ropes is realized.
Each dragging steel wire rope 11 is fixedly connected with the bottom 12-a1 of the corresponding trawl cart above through a small pressing plate through a bolt, so that the trawl cart 12 can move left and right on the framework steel wire ropes B5 and C5 along with the dragging steel wire rope 11. And a cable-stayed steel wire rope 6 is arranged between the two outer ends of the cross rod 15 of one of the stand columns of each paving and collecting net and the top end of the stand column, and the cable-stayed steel wire rope 6 of each stand column is of a splayed structure.
The rectangular protective net 9 is lapped on 3 framework steel wire ropes, one wide side (namely one side vertical to the paper surface in figure 1) of the protective net 9 is taken as a fixed side, and the protective net is hung on the inclined pull steel wire rope 6 in sections through net edge hanging rings 7 and is not moved. The other broadside of the protective net 9 is taken as a movable side. Two long edges (namely two horizontal edges in figure 1) of the net are respectively hung on the framework steel wire ropes B5 and C5 in a subsection manner through the net edge hanging rings 10, and the first net edge hanging rings 10 of the two long edges, which are nearest to the movable edge, are respectively clamped in the grooves 12-a2 of the corresponding trawl trolleys 12. The trawl trolley 12 moves along the framework steel wire rope 5, the movable edge of the dragging protective net 9 moves left and right along the framework steel wire rope 5, the whole net 9 is driven to move, and the protective net is unfolded and folded.
When the protective net 9 is unfolded, hook rods 16 shown in fig. 6 are further connected between the two outer ends of the cross bar close to the movable side and the top ends of the upright posts, the two hook rods 16 are splayed and are respectively connected with the outer ends of the cross bar and the tops of the upright posts through bent plate supports 16-a1 and bent plate supports 16-a2 by screws. The hook hanging rod 16 is further provided with a hook 16-a3 and a traction steel rope pulley 16-a4, a traction steel rope 13 is wound on the traction steel rope pulley, as shown in fig. 7, the traction steel rope pulley 16-a4 is driven to rotate by pulling the traction steel rope 13 through a small angle, the hook hanging rod 16 is driven to rotate through a small angle around the bent plate support 16-a1 and the bent plate support 16-a2, and then the hook 16-a3 is hooked on or separated from the movable edge of the protective net 9. The two ends of the pulling steel wire rope 13 hang down to the lower part of the upright post, so that the pulling steel wire rope can be pulled manually.
In order to reinforce the cross-bar 15, a reinforcing bar 15-a1 is provided on the outside of the cross-bar, as shown in fig. 8, which rests against the upright 4 as a support, and the two cross-bars 15 are fastened together by means of two long U-shaped clips 15-a2 and a pressure plate 15-a3 via nuts.
The structure is only a structure of a net laying and collecting unit, when a plurality of units are used together, adjacent units can share a middle upright post, and a cross rod, a controller, a diagonal steel wire rope, a traction steel wire rope and the like which are respectively used for the units on two sides are arranged on the middle upright post in a set. The directions of the cable-stayed steel wire ropes and the hook hanging rods can be designed according to requirements so as to determine the net collecting and laying directions of the protective net.
The method for collecting the network by adopting the device specifically comprises the following steps:
And 2, starting the driver 14, enabling the driver host 14-a1 to rotate, driving the winding wheel 14-a4 to rotate through the coupler 14-a3, driving the two dragging steel wire ropes 11 to move through the winding wheel 14-a4, driving the two dragging steel wire ropes 11 to drive the two dragging net trolleys 12 to synchronously move along the framework steel wire ropes B, C, pushing the movable edge of the protective net 9 to the fixed edge of the other edge from the hook rod through the net edge hanging ring 10, and stopping to finish net collection.
The method for lapping by adopting the device specifically comprises the following steps:
And 2, reversely pulling the traction steel wire rope 13 to drive the traction steel rope wheel 16-a4 to reversely rotate, so that the hook hanging rod 16 reversely rotates, and further the hook 16-a3 hooks the movable edge of the hail suppression net 9 to finish net laying.
The electric power of the driver can be provided by solar power generation, and the problem of inconvenience in agricultural power supply can be effectively solved. Meanwhile, the driver can be controlled by adopting wireless remote control, and automatic construction can be carried out in time by combining with weather forecast conditions.
The automatic net paving and collecting device can be used for square surfaces in agricultural production activities, is particularly suitable for hail prevention of fruit trees, and can reduce hail disaster loss, increase income of fruit growers, facilitate processing hail collection and reduce labor intensity due to the ridge type building style. When no hail exists, the net is timely collected, the problem of light transmission and ventilation of fruit trees is solved, the fruit trees grow in the natural environment, the time of blocking the net on the fruit trees is shortened, and the yield and the quality of the fruit trees are improved. When the method is used for fruit tree hail prevention, the following design parameters can be adopted: the height of the main rod: not less than 4.5m (30-50 cm above the top of the tree); the unit net width is 4 m; the unit length is less than 30m, the spreading and gathering speed of the net is more than 8m/min, and the driving power is as follows: less than or equal to 120W.
When the protective net is not needed to be used, the protective net is in a net folding state, the net does not need to be taken down, and when the protective net is needed to be used, the movable side of the net is pulled to be spread. The device can realize automatic net laying and net collecting, is flexible and reliable, is convenient to operate, solves the problems of manual operation, time and labor waste and construction in the process of using the hail suppression net by fruit growers, reduces the construction labor intensity and shortens the construction period. Meanwhile, the net paving and collecting device can be produced and applied in batch, the used materials and the construction mode are unified and standard, the construction cost is reduced, and the difference of fruit tree protection caused by non-standard net paving is reduced.
Claims (6)
1. A remote automatic net laying and collecting device for an agricultural protective net is characterized by comprising at least one group of net laying and collecting units, wherein each net laying and collecting unit comprises two stand columns, a cross rod is fixed at the upper part of each stand column, and the cross rods and the stand columns form a cross support; a framework steel wire rope A is horizontally stretched between the top ends of the two upright posts, the transverse rods of the two upright posts are symmetrically provided with the framework steel wire rope B, C, and the three framework steel wire ropes A, B, C are of an upper and a lower parallel structure; a trawl trolley is respectively arranged on the framework steel wire ropes B, C; each stretching frame below the framework steel wire rope B, C is provided with a dragging steel wire rope which can move horizontally, and each dragging steel wire rope is fixedly connected to a corresponding trawl trolley; a protective net is erected on the framework steel wire rope, and two opposite sides of the protective net are respectively in sliding connection with the framework steel wire rope B, C and can move horizontally; one of the other two opposite sides of the protective net is fixed on one cross-shaped bracket and serves as a fixed side, the other side of the protective net serves as a movable side, and two ends of the movable side are connected with two trawl trolleys;
a steel rope reel mechanism and a dragging steel rope pulley are arranged at the outer end of each upright post cross rod, a driver is arranged at the waist position of one upright post, and the steel rope reel mechanism, the dragging steel rope pulley and the driver are used for driving the dragging steel rope to move horizontally;
splayed hook hanging rods are hinged between the two ends of the cross rod of the cross bracket without fixing the protective net fixing edge and the top ends of the stand columns, so that the hook hanging rods can rotate around a shaft, and hooks for hooking the movable edges of the protective net are further arranged on the hook hanging rods;
the hook rod is provided with a traction steel rope wheel, a traction steel wire rope is wound on the traction steel rope wheel, two ends of the traction steel wire rope can move, and the hook rod realizes the rotation through the pulling of two ends of the traction steel wire rope;
the concrete structure that two opposite sides of the protective net are respectively connected with a framework steel wire rope B, C in a sliding manner and can move horizontally relatively is that the protective net is hung on a framework steel wire rope B, C through a net edge hanging ring; the trawl trolley is connected with a first net edge hanging ring closest to the movable edge of the protective net.
2. The remote automatic net laying and collecting device for the agricultural protective net according to claim 1, wherein the structure of the trawl trolley is as follows: the upper part of the trawl trolley is hung on the framework steel rope in a penetrating way, the upper part of the trawl trolley is provided with a groove, a section of framework steel rope is exposed at the position of the groove, and the bottom of the trawl trolley is fixedly connected with the dragging steel rope; and the first net edge hanging ring closest to the movable edge of the protective net is hung on the framework steel rope at the groove of the trawl trolley.
3. The agricultural protective net remote automatic laying and retracting device according to claim 1, characterized in that a diagonal steel wire rope is arranged between two ends of a cross bar of the fixed side of the protective net and the top end of the upright post, and the fixed side of the protective net is fixed on the diagonal steel wire rope.
4. The agricultural protective net remote automatic net laying and collecting device according to claim 1, wherein a reinforcing rod is arranged outside the cross rod.
5. A method for laying and collecting nets by using the device for laying and collecting the agricultural protective nets of claim 1 is characterized in that the dragging steel wire ropes are driven to move, the two dragging steel wire ropes drive the two trawl trolleys to move synchronously along a skeleton steel wire rope B, C, and the two trawl trolleys drive the movable side of the protective net to push from one end to the other end, so that the process of laying and collecting nets is completed.
6. The method according to claim 5, characterized in that splayed hook hanging rods are hinged between the two ends of the cross rod of the cross bracket without fixing the fixed edge of the protective net and the top ends of the upright posts, so that the hook hanging rods can rotate around a shaft, and hooks for hooking the movable edge of the protective net are further arranged on the hook hanging rods; the hook rod is provided with a traction steel rope wheel, a traction steel wire rope is wound on the traction steel rope wheel, two ends of the traction steel wire rope can move, and the hook rod realizes the rotation through the pulling of two ends of the traction steel wire rope; the outer end of each upright post cross bar is provided with a dragging steel rope pulley, the waist position of one upright post is provided with a driver, and the dragging steel rope pulley and the driver are used for driving the dragging steel rope to move horizontally;
the network receiving method comprises the following steps: pulling the traction steel wire rope to drive the traction steel wire rope wheel to rotate, so that the hook rod rotates, and the hook is further separated from the movable edge of the protective net; then, a driver is started, the two dragging steel wire ropes are driven to drive the two dragging net trolleys to synchronously move along the framework steel wire rope B, C, and the movable side of the protective net is driven to be pushed to the fixed side of the other side from the hook rod and then stopped, so that net collection is completed;
the lapping method comprises the following steps: the driver is started to drive the two dragging steel wire ropes to move reversely, the two dragging steel wire ropes drive the two dragging net trolleys to synchronously move along the framework steel wire rope B, C, and the movable side of the protective net is driven to push from the fixed side to the hooking rod on the other side and then to stop; and then the traction steel wire rope is pulled reversely to drive the traction steel wire rope wheel to rotate reversely, so that the hook rod rotates reversely, and the hook hooks the movable edge of the protective net to complete net laying.
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| CN201710173353.5A CN106993496B (en) | 2017-03-22 | 2017-03-22 | Remote automatic net laying and collecting device and method for agricultural protective net |
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| CN201710173353.5A CN106993496B (en) | 2017-03-22 | 2017-03-22 | Remote automatic net laying and collecting device and method for agricultural protective net |
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| CN106993496B true CN106993496B (en) | 2020-05-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2503705Y (en) * | 2001-10-19 | 2002-08-07 | 洪敬南 | Crop covering net with simple and fast open/close structure |
| CN201003289Y (en) * | 2006-11-17 | 2008-01-09 | 郭建林 | Suspended type roof for airing and basking |
| CN201546487U (en) * | 2009-09-27 | 2010-08-11 | 布鲁克（成都）工程有限公司 | Expandable safety protection device |
| CN103621364A (en) * | 2012-08-27 | 2014-03-12 | 虎尾科技大学 | Protective screening unfolding and folding system |
| CN103749219A (en) * | 2013-12-18 | 2014-04-30 | 王精瑞 | Multi-functional hail prevention net frame |
| CN205320755U (en) * | 2016-02-03 | 2016-06-22 | 海南建恒哈瓦那雪茄有限公司 | Cigar tobacco leaf canopy that shades |
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