CN209749603U

CN209749603U - Retractable vertical large-area screen door device

Info

Publication number: CN209749603U
Application number: CN201920191310.4U
Authority: CN
Inventors: 陈忠跃
Original assignee: China National Rice Research Institute
Current assignee: China National Rice Research Institute
Priority date: 2019-02-12
Filing date: 2019-02-12
Publication date: 2019-12-10
Anticipated expiration: 2029-02-12

Abstract

A retractable vertical large-breadth gate device can retract and release a gate to facilitate the entrance and exit of agricultural machinery (a tractor), and meanwhile, the gate is provided with a counterweight ring to prevent birds from drifting along with wind, so that the birds can be well prevented from entering a crop planting area through the gate.

Description

Retractable vertical large-area screen door device

Technical Field

The utility model belongs to the technical field of the net door gear technique and specifically relates to a vertical large face net door gear that can receive and release is related to.

Background

In recent years, with the increasing investment of the country in environmental management and prevention, the ecological environment is greatly improved. The improvement of ecological environment causes the quantity of birds to increase continuously, and in order to prevent the birds from pecking crops in farmlands to cause economic loss, the environment-friendly agricultural technology of bird-proof net coverage cultivation is widely used. In the laying process of the bird-preventing net, in order to prevent birds from entering as much as possible, the farmland is covered in an all-around way, wherein the farmland comprises an inlet and outlet channel of agricultural machinery (a tractor and the like) and an inlet and outlet of a farmer (namely, a net door is arranged at the inlet and outlet). Therefore, the bird-proof net can protect the crop planting area by 360 degrees and effectively control birds from harming crops.

When the net surface is paved at the agricultural machine crossing of the crop planting area, the problem that the in-and-out of the agricultural machine (tractor) is influenced because the net door cannot be freely folded and unfolded often exists; or in order not to influence the in and out of the agricultural machinery (tractor), the net door is too loose and is easy to swing along with the wind. When the net door is not used, the net door can not be tightly closed, so that the net door can not effectively prevent birds from entering a crop planting area.

Disclosure of Invention

In order to overcome the defect that the existing net door is difficult to be freely folded and unfolded and is not closed tightly enough, the utility model provides a retractable vertical large-breadth net door device, the device can fold and unfold the net door and facilitate the passing in and out of agricultural machinery (tractor), thereby the net door is provided with a counterweight ring and is difficult to float with the wind, and birds can be well prevented from entering a crop planting area through the net door.

The utility model provides a technical scheme that its technical problem adopted is:

The utility model provides a vertical large face of a net door device that can receive and release, includes door frame crossbeam and door frame stand, is used for blockking the net piece of bird, is used for the net piece to receive and release cross axle and the door curtain ring that slides, is used for strengthening two net pieces contact department rigidity long pipe, keeps the vertical flagging counter weight ring of net piece, avoids two pipe connecting bolt and the even ground bolt that is used for the net door to fix of gap to appear between two nets.

The net sheet is positioned at the opening of an agricultural machine (tractor) and used for preventing birds from entering a crop planting area. The cross axle is located door frame crossbeam below and presses close to the position of crossbeam for the net piece is pressed close to the door frame crossbeam and is avoided birds to get into the crop through this clearance and plant the district, and the existence of crossbeam is convenient for net piece and is receive and release along the cross axle direction simultaneously. The door curtain ring is positioned on the transverse shaft and connected with the upper part of the net sheet, so that the net sheet can slide relative to the transverse shaft conveniently. The long circular tube is positioned between the two nets and used for enhancing the rigidity of the contact position of the two net sheets, so that the two net sheets are in close contact and the closing of the net door is facilitated. The counterweight rings are fixed at the bottom of the net sheet at equal intervals, so that the net sheet is kept in a vertically drooping state, and the net sheet is prevented from drifting along with wind. The two-pipe connecting bolt is located at the contact position of the two long circular pipes and is 1.6 meters away from the ground, so that a gap is avoided between two nets (the two long circular pipes), and the net door is not easy to open. The ground connecting bolt is fixed at the bottoms of the two long circular tubes and used for fixing the net door.

Further, the net piece is connected with the upright columns on the two sides through steel wires.

Still further, the net piece is a polyethylene nylon net.

Still further, the horizontal axis is a stainless steel horizontal axis.

Still further, the curtain ring is a stainless steel curtain ring.

Still further, the long round tube is a stainless steel long round tube.

Still further, the counterweight ring is a hot-dip galvanized iron ring.

Furthermore, the connecting bolt and the ground connecting bolt are stainless steel bolts.

The beneficial effects of the utility model are that:

(1) The transverse shaft and the door curtain ring are connected with the net sheets, so that the net sheets can be freely folded and unfolded.

(2) The net piece is provided with the counterweight ring to keep the vertical drooping state, so that the net piece is not easy to drift with wind.

(3) The long circular tube is additionally arranged at the edge of each net piece, so that the rigidity of the contact part of the two net pieces is enhanced, the two net pieces are in close contact, and the closing of the net door is facilitated.

(4) Through two pipe connecting bolts, the two net sheets are in close contact, the net door is not easy to be opened in a non-working state, and the net door can be fixed on the ground when being closed through the ground connecting bolt.

Drawings

FIG. 1 is a schematic view of a net door apparatus

FIG. 2 is a schematic view of a two-tube connector pin.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-2, a retractable vertical large-breadth gate device comprises a gate frame beam 1, a gate frame column 2, a mesh (grid part in the figure) for blocking birds, a transverse shaft 3 and a gate curtain ring 4 for retracting and sliding the mesh, a long round pipe 5 for enhancing the rigidity of the contact part of the two meshes, a counterweight ring 6 for keeping the meshes vertically drooping, a two-pipe connecting plug pin 7 for avoiding a gap between the two meshes, and a ground connecting plug pin 8 for fixing a gate.

The net sheet is positioned at the opening of an agricultural machine (tractor) and used for preventing birds from entering a crop planting area. Cross axle 3 is located door frame crossbeam 1 below and presses close to the position of door frame crossbeam 1 for net piece presses close to door frame crossbeam 1 and avoids birds to get into the crop through this clearance and plants the district, and the existence of cross axle 3 is convenient for net piece along the crossbeam direction and receive and release simultaneously. The door curtain ring 4 is positioned on the transverse shaft 3 and is connected with the upper part of the net sheet, so that the net sheet can conveniently slide relative to the transverse shaft 3. The long circular tube 5 is positioned between the two nets and used for enhancing the rigidity of the contact part of the two net sheets, so that the two net sheets are in close contact and the closing of the net door is facilitated. The counterweight rings 6 are fixed at the bottom of the net sheet at equal intervals, so that the net sheet is kept in a vertically drooping state, and the net sheet is prevented from drifting along with wind. Two pipe connecting bolt 7 are located two long pipe contact departments and are 1.6 meters apart from ground height for avoid two nets (two long pipe) to appear the gap, and the net door is difficult for opening. The ground connecting bolt 8 is fixed at the bottom of the two long circular tubes and used for fixing the net door.

The principle of the utility model is that: one end of the net piece is fixed with the upright post of the doorframe through a steel wire, the other end of the net piece is connected with a long round pipe, and the function of retracting and releasing can be realized along the direction of the cross shaft through the door curtain ring. When the net door is closed, the net door is locked by the two pipe connecting bolts, so that the purpose that the net door is not easily opened is achieved. The bottom end of the long circular tube is provided with a ground connecting bolt, so that the net door is fixedly connected with the ground when being closed. Meanwhile, the counterweight rings are arranged at the bottom of the net piece, so that the net piece is kept in a vertically drooping state, and the net piece is not easy to float with wind.

The utility model relates to a retractable vertical large-area net door device, which solves the problems that the prior net door is difficult to retract and release freely and is not closed tightly enough, thereby providing a brand new idea for the design of a net door retracting and releasing device.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention, and are not described herein.

The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; the person skilled in the art, without affecting the essence of the invention, may make numerous possible variations and modifications, or may modify the equivalent embodiments, without departing from the technical solution of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a vertical large face door screen device that can receive and release, includes door frame crossbeam and door frame stand, is used for blockking the net piece of bird, is used for the net piece to receive and release the cross axle and the door curtain ring that slide, is used for two long pipes that mesh piece contact department rigidity of reinforcing, keeps the vertical flagging counter weight ring of net piece, avoids two interties to appear the two pipe connecting bolts in gap and is used for the fixed even ground bolt of net door, its characterized in that: the net piece is positioned at the opening of the agricultural machinery and used for preventing birds from entering a crop planting area; the transverse shaft is positioned below the door frame cross beam and close to the position of the cross beam, so that the net piece is close to the door frame cross beam to prevent birds from entering a crop planting area through the gap, and meanwhile, the cross beam is convenient for the net piece to be folded and unfolded along the transverse shaft direction; the door curtain ring is positioned on the transverse shaft and connected with the upper part of the net sheet, so that the net sheet can conveniently slide relative to the transverse shaft; the long circular tube is positioned between the two nets and used for enhancing the rigidity of the contact part of the two net sheets, so that the two net sheets are in close contact and the net door is convenient to close; the counterweight rings are fixed at the bottom of the net sheet at equal intervals, so that the net sheet is kept in a vertically drooping state, and the net sheet is prevented from drifting along with wind; the two-pipe connecting bolt is positioned at the contact position of the two long circular pipes and is 1.6 meters away from the ground, so that a gap between the two nets is avoided, and the net door is not easy to open; the ground connecting bolt is fixed at the bottoms of the two long circular tubes and used for fixing the net door.

2. A retractable vertical large face screen apparatus according to claim 1, wherein: the net sheet is connected with the upright columns on the two sides through steel wires.

3. A retractable vertical large face screen apparatus according to claim 1, wherein: the net sheet is a polyethylene nylon net.

4. A retractable vertical large face screen apparatus according to claim 1, wherein: the horizontal axis is a stainless steel horizontal axis.

5. A retractable vertical large face screen apparatus according to claim 1, wherein: the curtain ring is a stainless steel curtain ring.

6. a retractable vertical large face screen apparatus according to claim 1, wherein: the long round pipe is a stainless steel long round pipe.

7. A retractable vertical large face screen apparatus according to claim 1, wherein: the counterweight ring is a hot galvanizing iron ring.

8. A retractable vertical large face screen apparatus according to claim 1, wherein: the connecting bolt and the ground connecting bolt are stainless steel bolts.