WO2018028159A1

WO2018028159A1 - External fixing device of protective net body, externally fixed protective net and application thereof

Info

Publication number: WO2018028159A1
Application number: PCT/CN2017/073140
Authority: WO
Inventors: 田彦同; 王建海
Original assignee: 田彦同; 王建海
Priority date: 2016-04-22
Filing date: 2017-02-09
Publication date: 2018-02-15
Also published as: CN106121362A; CN106121362B

Abstract

Disclosed is an external fixing device of a protective net body, comprising an upright column (1) with a lower end fixed to the ground (17) on the periphery of a net body (2). A suspension arm (3) is fixed to an upper portion of the upright column (1), extends in the normal direction of one joint point of an upper end of the net body (2) and enables a safe distance to exist between the upright column (1) and the net body (2); and the other end of the suspension arm (3) is used for being detachably and fixedly connected with an upper end edge of the net body (2). The external fixing device is simple in structure, convenient to mount and dismount, safe and firm. A protective net having the external fixing device is applicable in a plurality of scenarios, such as entertainment, farming, sports and isolation.

Description

External network fixing device for protective net body, protective net fixed outside the net and its application

Technical field

The invention relates to a mesh protection device, in particular to an outer mesh fixing device for protecting a mesh body, a protective net fixed outside the net and an application thereof.

Background technique

In daily life, such as the protection of trampolines for children's entertainment, the net protection of livestock and poultry farms, the use of mesh isolation in sports areas, and the encirclement of prisoners' activities in prisons, etc. structure. Since the space inside the nets of these places is mostly used for human or animal activities, when installing and fixing the net body, it is necessary to take into consideration that physical damage to humans or animals may be avoided as much as possible, such as on trampolines and sports fields. If the action of the insider is shocking, the existence of rigid devices in the net and in the vicinity should be eliminated. In the area where the prisoner is active, there should be no hard objects, so as to avoid providing material conditions for the prisoner to commit suicide or accidental injury.

The Chinese invention patent with the publication number CN102000411B discloses a "fence support structure for trampoline", wherein a plurality of vertical support rods are arranged on the periphery of the body of the trampoline, and the support rods are grouped by two adjacent groups. The lower ends of the two supports are supported by the U-shaped bracket; the top end of each support rod is provided with a spring-like cushioning device, and is connected to the support frame via a buffer device, and the shape of the support frame and the horizontal area shape enclosed by the fence similar. The support method in the product patent is only applicable to the case where the area of the enclosed area is small. Because of the existence of the buffer device, it is not suitable for large-scale site implementation, especially not suitable for the case where the mesh body is frequently shaken. Due to the large area of the enclosed area, the strength of the support rod is challenged, especially due to the stability factor of the net body, which poses a great safety hazard to the overall device.

Summary of the invention

The technical problem to be solved by the present invention is to provide an outer mesh fixing device for protecting a net body, which aims to support and fix the upper end of the net body at the periphery of the net body of the protective net, and the horizontal safety distance between the supporting member and the net body can be as needed It is determined to ensure that the supporting member does not cause any damage to the personnel or animals in the net, and has the characteristics of simple structure, convenient installation and disassembly, and safety and stability;

Another object of the present invention is to provide a protective net fixed outside the net by using the outer net fixing device of the protective net body, the upper end of the net body is supported and fixed at the periphery thereof, and the horizontal safety of the supporting member and the net body is provided. Distance can be determined according to needs, can guarantee The supporting member does not cause any damage to the personnel or animals in the net, the overall structure is simple, the installation and disassembly are convenient, and it is safe and stable;

Still another object of the present invention is to provide an application of the above-mentioned net-protected net, which is used for enclosing a closed or unclosed net wall without a roof in a vertically arranged net body;

A fourth object of the present invention is to provide another application of the aforementioned outer net fixed protective net for forming a net structure by a net.

In order to achieve the above object, the technical solution adopted by the present invention is as follows:

An outer mesh fixing device for protecting a net body for fixing the net body of the protective net, comprising a column for fixing the lower end to the ground outside the net body, the upper part of the column being fixed along the upper end of the net body a normal extending at a joint point to extend a distance between the column and the net body, and the other end of the arm is configured to be detachably and fixedly coupled to the upper end edge of the net body;

An end of the boom away from the column, that is, an end for coupling with the net body, is fixedly coupled with a connecting piece extending along a tangential direction at a joint point of the upper end of the net body, and the connecting piece is provided with an extension along the arm a directionally penetrating oblong hole provided with a bolt and nut assembly for fixedly coupling the upper end edge of the net body to the gusset;

a reinforcing member extending to the lower side of the gusset is fixedly coupled to the upper and lower portions of the upright column;

The jib is detachably and fixedly coupled between the third clamp and the fourth clamp and the column, and the third clamp and the fourth clamp are oppositely disposed at the same height of the outer circumference of the pillar, and the main portion of the third clamp is The main body portion of the fourth clamp is rounded to fit the outer circumference of the column, and both ends of the main portion of the third clamp and the two ends of the main portion of the fourth clamp are horizontally outward. An extended connecting end in a vertical plane, an extended connecting end set between the third clip and the corresponding extended connecting end between the fourth clips, wherein the two extended connecting ends of each extended connecting end group are parallel and bolted, The mating of the nut is coupled; the end of the boom and the column is clamped between the two extended connecting ends of the extended connecting end group of the net body, and is fixed to the column by corresponding bolts.

As an optimization, the first clamp and the second clamp are disposed at the same height at the outer circumference of the pillar, and the main portion of the first clamp and the main portion of the second clamp are rounded to fit the outer circumference of the pillar, and Both ends of the main body portion of the first clamp and the two ends of the main body portion of the second clamp have horizontally outward extending ends in the vertical plane, between the first clamp and the second clamp An extension end group is formed between the corresponding extension ends, and the two extension ends of each extension end group are parallel and connected by a bolt and a nut; the end of the reinforcement member coupled with the column is clamped to the extended end of the mesh body. Between the two extended ends of the set and fixed by the corresponding bolts On the column.

As a further optimization:

The outer periphery of the column is provided with a limiting protrusion protruding outward for preventing the first clamp and the second clamp from sliding down;

The outer circumference of the column is provided with an outwardly protruding anti-slip protrusion for preventing the third clamp and the fourth clamp from sliding down.

As another optimization, the lower end of the column is fixed with a horizontally extending fixed base protruding from the outer circumference of the column, and the fixed base is provided with a top and bottom penetrating hole, and is provided for fixing through the nail hole. The base is fixed to the steel nails on the ground.

A reinforcing rib is coupled between the upper surface of the third type of the fixed base and the outer peripheral surface of the column.

The invention also provides a (first) outer mesh fixed protective net, comprising a net body, and further comprising at least two outer net fixing devices of the protective net body of the foregoing structure; the lower end of the vertical column is fixed to the outer periphery of the net body On the ground, the upper end edge of the net body is detachably and fixedly coupled with the end of the boom away from the column; and the third protective net body of the other two protective mesh bodies is fixed to the outside of the net. On the device, two sets of booms are fixedly coupled, that is, the first boom of the common pole and the second boom of the common pole, the first boom of the common pole and the second boom of the common pole are the same on the pole. height.

The invention also provides another (second) outer net fixed protective net, comprising a net body, and further comprising at least two outer net fixing devices of the protective net body of the foregoing structure; and two sets of nets of the adjacent protective net body The gussets of the outer fixing device extend toward each other as an integral lifting beam, and the net body is fixed at a plurality of points by the bolts and nut assemblies disposed at intervals; the outer net fixing devices of the two sets of protective net bodies a proximal gusset portion of the boom extending transversely into an integral cross struts, and the upper end or the lower end of the hoisting beam is integrally coupled with a horizontal lifting beam, and the lifting beam and the hanging beam are generally at right angles to the dihedral angle structure; The lifting beam corresponds to the upper and lower sides of the lifting beam, and is respectively provided with an upper oblong hole and a lower oblong hole. The height of the upper end of the net body passes through the bolts and nuts between the upper and lower corresponding upper and lower round holes and the lower long hole. Adjustable with the fit.

By definition, the cross brace is made of a square tube, a round tube, an oblate tube or a channel with a downward opening.

As a limitation, the lower end of the net body is in contact with the ground, and the angle steel disposed outside the net body is detachably fixed to the ground by a bolt and a nut assembly.

As a further limitation, the aforementioned outer mesh fixed protective net is provided with a right angle dihedral decorative wrapping material, and the decorative wrapping material is wrapped around the inner lower end edge portion of the net body and below the horizontal portion of the angle steel.

As another limitation, the mesh body is an elastic woven metal hook flower net.

As an application of the first type of outer net fixed net, it is used for enclosing a closed or non-closed net wall with a top without a roof.

As another application of the first type of outer net fixed net, the utility model is used for enclosing a net body with a topless body as a plane in a vertically arranged net body.

As a limitation, the mesh wall is provided with a door-shaped notch.

As a further limitation, the gap is provided with a suitable switchable mesh door.

As a third application of the first type of externally fixed protective net, it is used to construct a hanging net with a high middle and low circumference.

As an application of the second type of outer net fixed net, the door wall is provided with a door-shaped notch.

The present invention adopts the above structure, and the technical progress achieved compared with the prior art is:

(1) The net body fixing device of the present invention is used for externally fixing the net body, and the length of the boom can be determined as a safe distance according to the actual application purpose, and the height of the upper end of the net body is also set to be inaccessible to the movable body. The height is ensured that the player in the net does not touch the invention, and the utility model has the advantages of being safe to use, simple in structure, convenient in installation and disassembly;

(2) The invention comprises a protective net composed of at least two sets of external fixing devices and a net body, which can be surrounded by a single-sided mesh wall, or can be surrounded by a curved wall with two sides, and can be surrounded by a polygon-shaped multi-faceted surface. The mesh wall is therefore suitable for a wide range and can be set as needed. The overall structure of the net body is not a problem, and it is not necessary to cut it off;

(3) The mesh external protective net of the invention can realize the uniform dispersion of the weight of the net body by the cooperation between the hanging beam, the cross bracing and the lifting beam, thereby avoiding the stress concentration of the fixing device and improving the product. stability;

(4) The scheme that the boom and the reinforcing member of the invention are fixed by the clamp method enables the fixing device to be suitable for the requirements of different height net bodies, has wide application range, realizes multiple occasions, and reuses multiple specifications;

(5) The cross bracing of the invention is made of a hollow tube, which can improve the strength of the cross bracing, and is not easy to be ineffective due to long-term stress, and prolongs the service life;

(6) The limit protrusion and the anti-slip protrusion of the invention can prevent the corresponding clamp from falling sharply due to the force when the assembly is in place, saving labor, unnecessary work and improving work efficiency. , reduce labor intensity;

(7) The decorative packaging material of the invention can hide and block the sharp end of the lower end of the net body, so that it is impossible to contact with the animal, thereby protecting the human body and the animal body from scratching;

(8) The hook-and-loop net body of the invention has elasticity, can withstand large impact force without breaking, and is convenient to integrally connect the net pieces which are different segments into one whole piece, without ribs and without Angle, no harm to the active person, and beautiful and durable;

(9) The protective net of the present invention can be used for a single-sided mesh wall, a multi-faceted unclosed or closed mesh wall, etc., and thus can meet the requirements of the trampoline enclosure, the net enclosure of the livestock and poultry farm, and the sports area. The use of mesh isolation, the space around the prisoner's activity space, as well as the zoo birds, the detour of the beasts, and the isolation of the safari group.

DRAWINGS

The drawings are intended to provide a further understanding of the invention, and are intended to be a

In the drawing:

1 is a schematic view showing a positional relationship and a coupling relationship between two columns 1 and a net body 2 in Embodiment 2 (excluding the goal 8) of the present invention;

Figure 2 is a right side view of Figure 1;

3 is a schematic structural view of a lower portion of a column 1 according to an embodiment of the present invention;

4 is a schematic view showing the arrangement manner of the goal 8 on the net body 2 in the embodiment 2 (including the goal 8) of the present invention;

5 is a schematic diagram of a fixing manner between a lower edge of the net body 2 and the ground in Embodiment 2/3 of the present invention;

Figure 6 is a schematic view showing the positional relationship between the partial structure of the mesh body 2 and the spacer of Figure 5;

Fig. 7 is a schematic view showing the connection relationship between the cylinders of the goal 8 and the net body 2 in the second embodiment of the present invention.

Marking parts: 1-post, 2-mesh, 3-boom, 4-hanging beam, 5-strength, 6-cross bracing, 7-lifting beam, 8-ball door, 11- stiffener plate, 12- Fixed base, 13-right angled double-sided decorative packaging, 14-L fixed block, 15-first bolt, 16-second bolt, 17-ground, 18-shield.

detailed description

Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. The preferred embodiments described herein are to be construed as illustrative only and not limiting.

Embodiment 1 An outer mesh fixing unit of a protective net body

This embodiment is used for fixing and supporting the mesh body 2 of the protective net, and at least two sets are used in use.

Referring to Figures 1 and 2, the present embodiment includes a column 1 for erecting and fixing the lower end to the ground, and a horizontally extending boom 3 is fixed to the upper outer peripheral wall of the column 1.

The column 1 has a rigid cylindrical structure with a waterproof cap (not shown) at the top, which is used for waterproofing and anti-corrosion, and can prevent the contents from falling into the tube when the column 1 is selected as a hollow tube structure.

The boom 3 is detachably and fixedly coupled between the third clamp and the fourth clamp and the column 1. Specifically, the third clamp and the fourth clamp are located at the same height and opposite to each other on the column 1, and the main portion of the third clamp and the main portion of the fourth clamp are radiused by the radius of the column 1, and the center angle is slightly An arc-shaped structure of less than 180 degrees, and both ends of the main portion of the third clamp and the two ends of the main portion of the fourth clamp have horizontally outwardly extending connecting ends in the vertical plane. An extended connecting end group is formed between the corresponding extended connecting end between the third clip and the fourth clip, and the two extended connecting ends of each extended connecting end group are parallel and coupled by a bolt and a nut. One end of the boom 3 coupled to the column 1 is sandwiched between a pair of extension ends constituting the extended coupling end group, and is fixed to the column 1 by a corresponding bolt. Of course, according to the actual situation, the boom 3 and the column 1 can also be integrally formed, riveted, welded, and the like, and other commonly used fixed joints are considered to be the equivalent replacement of the above-mentioned coupling by the clamp.

Corresponding to the third clamp and the outer peripheral portion of the column 1 at the position below the fourth clamp, an outwardly protruding anti-slip projection for preventing the third clamp and the fourth clamp from sliding down is provided.

The first column and the second clamp are disposed on the column 1 slightly lower than the third clamp and the fourth clamp at the same height of the outer circumference, and the main part of the first clamp and the second card The main part of the hoop is an arc-shaped structure having a central angle of a radius of the column 1 and a radius of slightly less than 180 degrees, and both ends of the main portion of the first clamp and the two ends of the main portion of the second clamp are a horizontally outwardly extending end in a vertical plane, the respective extended ends between the first clamp and the second clamp form an extended end set, and the two extended ends of each extended end set are parallel and It is connected by the cooperation of bolts and nuts. At the bolt portion between the pair of extended ends constituting the extended end group, a reinforcing member 5 is worn, and the reinforcing member 5 is fixed between the corresponding pair of the two extending ends. Of course, according to the actual needs, the reinforcing member and the column 1 can also adopt the other common fixed connection methods such as integral molding, riveting, welding, etc. These connection methods are considered to be the equivalent replacement of the above-mentioned coupling by the clamp.

Corresponding to the first clamp and the outer peripheral portion of the column 1 at the position below the second clamp, a limiting protrusion protruding outward for preventing the third clamp and the fourth clamp from sliding down is provided.

The side view structure of the net body 2 is a continuous figure-eight structure formed by twisting the meshes with each other, and at the break of the net body 2, the part for splicing with other members through bolts and nut assemblies, the edge of the figure eight The ring portion is provided with a spacer extending in the horizontal direction of the mesh body 2.

The other end of the reinforcing member 5 is fixed to the lower portion of the gusset.

Referring to FIG. 3, the lower end of the upright 1 is fixed with a horizontally extending fixed base 12 projecting from the outer periphery of the upright 1 . The fixed base is provided with upper and lower ground nail holes, and is provided with steel nails for fixing the fixed base 12 to the ground through the ground nail holes.

A reinforcing rib 11 is fixedly coupled between the outer peripheral surface of the column and the upper surface of the fixed base 12.

In this embodiment, the distance between the column 1 and the net body 2 is determined according to actual needs to confirm that there is a safe distance between them.

Embodiment 2 An outer mesh fixing device for a protective net body

This embodiment is basically constituted by the outer mesh fixing unit of the protective net body provided by the two embodiments 1. further:

The corresponding gussets on the two columns 1 extend toward each other as an integral hoisting beam 4, and the hoisting beam 4 has a plurality of oblong holes arranged at intervals. The net body 2 can be engaged with the nut through the bolt passing through the oblong hole, and the multi-point fixing is realized on the lifting beam 4.

The respective two columns 1 correspond to the portions of the boom 3 which are close to the lifting beam 4, and extend transversely to the integral cross brace 6, which is made of a square pipe, a circular pipe, an oblate pipe or an open channel steel.

The upper end of the suspension beam 4 is integrally coupled to the horizontal lifting beam 7. The lifting beam 7 and the lifting beam 4 are generally in a right angle dihedral structure, that is, an angle steel structure.

The lifting beam 7 and the lifting beam 4 are correspondingly arranged up and down, and are respectively provided with an upper long circular hole and a lower long circular hole, and are matched with the nut through the bolts passing through the upper and lower corresponding upper and lower circular holes and the lower long circular hole, thereby realizing the mesh body. 2 The adjustment of the height of the upper end.

Embodiment 3 A court surrounded by a protective net

In this embodiment, the four-sided vertical wall is surrounded by a rectangular space separated from the outer portion of the net, and the four-sided mesh wall is fixed by the outer net fixing device of the protective net body provided by the second embodiment. With the continuous net structure formed by the support, the net body 2 adopts an elastic chain link net woven from a metal wire.

The present embodiment is generally composed of four sets of outer mesh fixing devices of the protective net body and the net body 2.

The outer mesh fixing device of the protective net body is used for fixed support of the net body, and an outer mesh fixing device for protecting the net body is provided on the outer side of each corner of the net body 2.

Since the net body 2 is perpendicular to the two running planes on both sides of each column 1, each column 1 is shared, that is, two sets of booms 3 are fixed on each column 1, and the two The group booms 3 are located at the same height on the corresponding poles 1, but are horizontally separated, and the extending directions of the two groups of booms 3 are perpendicular to the plane of the net body 2 on both sides of the corresponding poles 1, respectively.

The column 1 is fixed to the ground by a steel nail passing through the hole of the nail.

The lower end of the net body 2 is suspended above the ground and fixed by means as shown in FIG. In Fig. 5, 14 denotes an L-shaped fixed block, 15 denotes a first bolt, 16 denotes a second bolt, 17 denotes a floor, and 13 denotes a right-angled dihedral decorative packaging material (of course, a decorative packaging material may also be used Instead of the groove, it is covered on the inner lower edge portion of the net body 2 and below the horizontal portion of the angle steel.

All the nuts of this embodiment are located outside the mesh body 2.

And the head end of the bolt for fixing the joint between the wire mesh and the hanging beam 4 at the upper end of the net body 2, that is, the bolt head, is located inside the net body 2. The decorative wrapping material of the present embodiment extends in the horizontal extending direction of the lower end of the net body 2, and these bolt heads are placed between the decorative wrapping material and the net body 2 on the inner side of all the bolt heads.

This embodiment can also selectively add any one or some of the following features according to actual needs:

1 The area enclosed by the upper end of the net body 2 is provided with a top surface;

2 The goal is on the wall. As shown in Fig. 4, the edge of the goal is fixed to each other by three cylinders, wherein the lower ends of the two columns are fixed on the ground, and each cylinder is covered with a double-sided splint to the edge of the mesh body next to the cylinder, and is screwed. The nut assembly secures the splint to the mesh body 2.

The connection relationship between the three cylinders and the mesh body 2 is as shown in FIG.

3 On the other side of the mesh wall having no gap (including the goal) on either side of the embodiment, another sports field is provided, which is shared with the column 1 between the courses of the embodiment, so that four of the corresponding two columns are respectively fixed. Only the boom 3 is provided, and at the same time, no gap is formed in the sports field and the mesh wall supported by the two columns.

4 Below the decorative bag material of the embodiment, between the ground and the ground, a [shaped groove is formed, and the beauty groove extends along the horizontal extension direction of the lower end of the net body 2.

Embodiment 4 An application of the external mesh fixing device of the protective net body provided in Embodiment 2

A plurality of sets of the outer mesh fixing devices of the protective net body are used for enclosing a whole piece of net body arranged vertically to form a closed or unclosed net wall without a top turn, or to form a topless turn without turning Single wall.

The wall can be determined as needed to determine whether a gap is to be made and whether a switchable door that fits the gap is provided.

Embodiment 5 An application of the outer mesh fixing unit of the protective net body provided by the embodiment 1

More than three sets of the outer mesh fixing units of the protective net body fix the upper edge of a whole piece of mesh at a plurality of points, thereby forming a hanging net structure with a high middle and low middle.

It should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, although the present invention has been described in detail with reference to the foregoing embodiments, Modifications may be made to the technical solutions described in the foregoing embodiments, or some of the technical features may be equivalently replaced. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

An outer mesh fixing device for protecting a net body for fixing the net body of the protective net, comprising a column for fixing the lower end to the ground outside the net body, wherein the upper part of the column is fixed a boom extending along a normal direction at a joint point of the upper end of the net body to ensure a safe distance between the column and the net body, and the other end of the boom is configured to be detachably and fixedly coupled with the upper end edge of the net body;

An end of the boom away from the column, that is, an end for coupling with the net body, is fixedly coupled with a connecting piece extending along a tangential direction at a joint point of the upper end of the net body, and the connecting piece is provided with an extension along the arm a directionally penetrating oblong hole provided with a bolt and nut assembly for fixedly coupling the upper end edge of the net body to the gusset;

a reinforcing member extending to the lower side of the gusset is fixedly coupled to the upper and lower portions of the upright column;

The jib is detachably and fixedly coupled between the third clamp and the fourth clamp and the column, and the third clamp and the fourth clamp are oppositely disposed at the same height of the outer circumference of the pillar, and the main portion of the third clamp is The main body portion of the fourth clamp is rounded to fit the outer circumference of the column, and both ends of the main portion of the third clamp and the two ends of the main portion of the fourth clamp are horizontally outward. An extended connecting end in a vertical plane, an extended connecting end set between the third clip and the corresponding extended connecting end between the fourth clips, wherein the two extended connecting ends of each extended connecting end group are parallel and bolted, The mating of the nut is coupled; the end of the boom and the column is clamped between the two extended connecting ends of the extended connecting end group of the net body, and is fixed to the column by corresponding bolts.
The outer mesh fixing device for a protective net body according to claim 1, wherein the first clamp and the second clamp are disposed at the same height on the outer circumference of the column, and the main portion and the second portion of the first clamp The main body portion of the clamp is shaped to fit the outer circumference of the column, and both ends of the main portion of the first clamp and the two ends of the main portion of the second clamp are horizontally outward and vertically An extending end in the plane, an extended end group is formed between the first extending end of the first clip and the second clip, and the two extending ends of each extended end group are parallel and connected by a bolt and a nut; One end of the reinforcing member coupled to the column is sandwiched between two extending ends of the extended end group of the mesh body, and is fixed to the column by a corresponding bolt.
The outer mesh fixing device of the protective net body according to claim 2, wherein the outer periphery of the column is provided with a protruding protrusion protruding outward for preventing the first clamp and the second clamp from sliding downward. .
The outer mesh fixing device of the protective net body according to claim 2, wherein the outer periphery of the column is provided with an outwardly protruding anti-slip protrusion for preventing the third clamp and the fourth clamp from sliding down. .
The outer mesh fixing device for a protective net body according to any one of claims 1 to 4, characterized in that: the lower end of the column is fixed with a horizontally extending fixed base protruding from the outer periphery of the column, and the fixed base is provided There are nail holes that are transparent to the top and bottom, and are provided with steel nails for fixing the fixed base to the ground through the nail holes.
The outer mesh fixing device for a protective net body according to any one of claims 1 to 4, characterized in that a reinforcing rib plate is coupled between an upper surface of the fixed base and an outer peripheral surface of the vertical column.
An outer mesh fixed protective net comprising a net body, characterized in that it further comprises at least two outer net fixing devices of the protective net body according to any one of claims 1 to 6; the lower end of the vertical column is fixed On the ground surface of the net body, the upper end edge of the net body is detachably and fixedly coupled with the end of the boom away from the column; and the third protective net body matched with the outer net fixing device of the other two protective net bodies On the external fixing device, two sets of booms are fixedly connected, that is, a common boom first boom and a common pole second boom, a common pole first boom and a common pole second boom are located on the pole The same height on the top.
An outer net fixed protective net comprising a net body, characterized in that it further comprises at least two sets of outer net fixing devices of the protective net body according to claim 1; and two outer net fixing devices of the adjacent two protective net bodies The gussets extend toward each other as a unitary suspension beam, and the net body is fixed at a plurality of points with the bolts and nut assemblies disposed at intervals; the jibs of the outer mesh fixing devices of the two sets of protective net bodies a proximal gusset portion extending transversely into an integral cross brace, and the upper end or the lower end of the hanging beam is integrally coupled with a horizontal pulling beam, and the lifting beam and the hanging beam are generally at right angle dihedral structure; The beam and the hanging beam correspond to each other, and are respectively provided with an upper long hole and a lower long hole, and the height of the upper end of the net body is matched by the bolts and nuts passing through the upper and lower upper round holes and the lower long hole. Tune.
The outer net fixed net according to claim 8, wherein the cross bracing is made of a square pipe, a round pipe, an oblate pipe or a channel with a downward opening.
The outer net fixed net according to any one of claims 7-9, wherein the lower end of the net body is in contact with the ground, and the angle steel disposed outside the net body is made of a bolt and a nut assembly. Removably fixed to the ground.
The outer net fixed net according to claim 10, characterized in that it is provided with a right angle dihedral decorative wrapping material, and the decorative wrapping material is wrapped around the inner lower end edge portion of the net body and the angle steel Below the horizontal part.
The outer net fixed net according to any one of claims 7-9 and 11, wherein the net body is elastic Braided metal chain link fence.
The outer net fixed net according to claim 10, wherein the net body is an elastic woven metal hook flower net.
An application of the outer mesh fixed protective net according to any one of claims 7 to 13 for enclosing a closed, closed or non-closed mesh wall without a roof in a vertically arranged net body.
An application of the outer net fixed net according to any one of claims 7 to 13 for enclosing a net body having a topless body as a plane in a vertically disposed net body.
An application of the outer net fixed net according to claim 14, wherein the net wall is provided with a door-shaped notch.
An application of the outer net fixed net according to claim 15, wherein the net wall is provided with a door-shaped notch.
An application of the outer mesh fixed protective net according to claim 16, wherein the notch is provided with a suitable switchable mesh door.
An application of the outer mesh fixed protective net according to claim 17, wherein the notch is provided with a suitable switchable mesh door.
An application of the outer net fixed protective net according to any one of claims 7 to 13 for use in a high intermediate low hanging net.