CN220080867U - Folding type tunnel portal protection device - Google Patents

Abstract

The utility model provides a folding type tunnel portal protection device, which relates to the technical field of safety protection, and comprises at least three protection units, wherein the at least three protection units are spliced end to end in sequence to form an annular protection structure, and adjacent protection units are rotatably matched to adjust the included angle of the adjacent protection units; at least one of the three guard units is provided as a telescopic structure. The protection device can adjust the structural form according to the shape and the size of the opening so as to meet the use requirements of different scenes, and is flexible and convenient to use; simultaneously, can fold, small, be convenient for accomodate, transportation and shift.

Description

Folding type tunnel portal protection device

Technical Field

The utility model relates to the technical field of safety protection, in particular to a folding type tunnel portal protection device.

Background

In aspects of edge protection, entrance to a cave protection, regional division and the like of building construction, the arrangement of the fence is indispensable, the fence refers to measures taken for isolating a construction site from an external environment so that the construction site becomes a relatively closed space, and comprises fences built by various brickwork, maintenance bodies formed by various formed plates and the like. Among the prior art, the protection of common entrance to a cave in engineering work progress is guardrail, the fender protection of enclosing of customizing according to entrance to a cave size to make pit warning, safety protection.

The inventor researches find that the prior art tunnel portal protection fence has at least the following disadvantages:

the size of the hole is customized according to the size of the hole, the size cannot be adjusted on site according to the size of the hole, and the use limitation is high; meanwhile, the tunnel portal protection fence is of an integrated structure, is large in size, is unchanged in storage, and is inconvenient to transport and transfer.

Disclosure of Invention

The utility model aims to provide a folding type hole protection device which can adjust the structural form according to the shape and the size of a hole so as to meet the use requirements of different scenes, and is flexible and convenient to use; simultaneously, can fold, small, be convenient for accomodate, transportation and shift.

Embodiments of the present utility model are implemented as follows:

the utility model provides a folding type tunnel portal protection device, which comprises:

the device comprises at least three protection units, wherein the at least three protection units are spliced end to end in sequence to form an annular protection structure, and adjacent protection units are matched in a rotatable manner to adjust the included angle between the adjacent protection units; at least one of the three protection units is arranged in a telescopic structure.

In an alternative embodiment, the protection unit includes two stand columns that set up relatively and locates scalable frame between two stand columns, the both sides of scalable frame respectively with two stand columns are connected, the form of scalable frame can be along with the change of the distance between two stand columns changes.

In an alternative embodiment, the telescopic frame is provided in a scissor structure.

In an alternative embodiment, a positioning seat is arranged at the bottom of the upright post, a positioning rod is arranged on the positioning seat in a penetrating mode, and the positioning rod is used for being inserted into the ground.

In an optional embodiment, a positioning bolt is arranged on a first upright of the two uprights, an adjusting disc is arranged on a second upright of the two uprights, a plurality of positioning holes are formed in the adjusting disc, the positioning holes are distributed at intervals in the circumferential direction of the second upright, the first upright and the second upright of the protection unit are adjacent to each other, and the positioning bolts of the first upright and the second upright which are matched are optionally inserted into one of the positioning holes.

In an alternative embodiment, the number of the positioning bolts on the first upright is a plurality, and the positioning bolts are arranged at intervals in the extending direction of the first upright; correspondingly, a plurality of adjusting discs equal to the positioning bolts in number are arranged on the second upright post.

In an alternative embodiment, the positioning bolt comprises a first rod and a second rod which are connected, the first rod is fixedly connected with the first upright, the second rod and the first rod have an included angle, and the end part of the second rod, which is far away from the first rod, is used for being inserted into the positioning hole.

In an alternative embodiment, a reinforcing rib is provided between the first rod and the first upright.

In an alternative embodiment, the adjusting disk is provided in a fan shape, and the adjusting disk is provided with an inner concave surface, and the inner concave surface is clamped and fixed outside the first upright post.

In an alternative embodiment, at least one of the at least three protection units is provided with a fluorescent layer.

The embodiment of the utility model has the beneficial effects that:

to sum up, the folding type tunnel portal protection device provided by the embodiment comprises at least three protection units, wherein the three protection units are sequentially connected end to form an annular protection structure, so that the tunnel portal can be enclosed, and a protection effect is achieved. In the use, can rotate the protection unit as required, the angle of arbitrary adjacent protection unit is adjusted, at the in-process of angle adjustment, the width adaptability adjustment of protection unit to adapt to the protection of the entrance to a cave of different shapes and sizes, application scope is wide, reduces use cost. Meanwhile, in the transferring or transporting process, at least three protection units can be folded, and the at least three protection units are compact in structure, small in size, convenient to transfer and transport and convenient to store.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of an application of a folding type opening protection device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another application of the folding type opening protection device according to the embodiment of the present utility model;

FIG. 3 is a schematic structural diagram of a protection unit according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a first positioning pin according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a first tuning disc according to an embodiment of the present utility model.

Icon:

001-opening to be protected; 100-guard units; 110-a first upright; 120-a second upright; 130-a first base; 140-a second base; 150-a first positioning bolt; 151-a first rod; 152-a second lever; 153-reinforcing ribs; 160-a second locating pin; 170-a first dial; 180-a second dial; 181-positioning holes; 190-telescoping rack.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

At present, in the field of building construction, protective fences are arranged at some openings, so that unnecessary safety accidents caused by falling into the holes can be avoided, and the safety is effectively improved. In the prior art, the guardrail structure that often adopts is monolithic, for example quadrilateral guardrail, welds together through four rectangular frames head and tail in proper order, then places in entrance to a cave department, plays the effect of protection. Although the existing guardrail structure can play a role in protection, the shape and the size of the guardrail cannot be adjusted according to the site conditions due to the adoption of the integral structure, and when the shape and the size of the guardrail are not satisfied, the guardrail needs to be manufactured again, so that the cost is high. And, integral guardrail is bulky, and occupation space is big, accomodates, transport and shift inconvenient.

In view of this, the designer provides a foldable entrance to a cave protector, can adjust structural morphology and size as required to adapt to the protection of the entrance to a cave of different specifications, it is nimble convenient to use, and application scope is wide. Meanwhile, the folding type folding device can be adjusted to be in a folding state, is small in size and occupies small space, and is convenient to store, transport and transfer.

Referring to fig. 1-5, in this embodiment, the foldable tunnel portal protection device includes at least three protection units 100, where at least three protection units 100 are spliced end to end in sequence to form an annular protection structure, and adjacent protection units 100 are rotatably matched to adjust an included angle of the adjacent protection units 100; at least one guard unit 100 among the three guard units 100 is provided in a telescopic structure.

In view of the above, the usage method of the folding type tunnel portal protection device provided by the embodiment is as follows:

in the transportation, adjust protector into folding state, at this moment, protector's compact structure, small, occupation space is little, convenient transportation. When the protection device is transported to the site, the protection device is unfolded, at least three protection units 100 are unfolded to be in corresponding shapes according to the size and the shape of the opening, in the adjusting process, the adjacent protection units 100 are free to rotate, the length of the protection units 100 is adjusted according to the size of the opening, namely, the protection units 100 are adaptively telescopic, the shape and the size of the protection device and the opening 001 to be protected are finally kept consistent, the protection device is placed at the opening, the matching between the protection device and the opening is tighter, and the protection effect is good.

It should be noted that, the at least three protection units 100 may be understood that the number of the protection units 100 is three or more, for example, in this embodiment, the number of the protection units 100 is five, and obviously, in other embodiments, the number of the protection units 100 may be three, four, six, or the like, which is not exhaustive.

In addition, the structure of the protection unit 100 may be set to be the same, and in order to avoid redundancy, the structure of one protection unit 100 is described in this embodiment. It should be appreciated that in other embodiments, the structure of at least three guard units 100 may be configured differently.

Referring to fig. 3, in the present embodiment, the protection unit 100 includes a first upright 110, a second upright 120, a first base 130, a second base 140, a first positioning pin 150, a second positioning pin 160, a first adjusting plate 170, a second adjusting plate 180, and a telescopic frame 190. The first stand 110 and the second stand 120 are relatively parallel to each other, the first base 130 is installed at the bottom of the first stand 110, the first base 130 is provided with a first fixing hole, a first positioning rod is inserted in the first fixing hole, the bottom of the first positioning rod can be a pointed end, the first positioning rod can be conveniently inserted into the ground, and the stability is improved. The first upright 110 is provided with a first positioning bolt 150 and a second positioning bolt 160, and the first positioning bolt 150 and the second positioning bolt 160 are arranged at intervals in the length direction of the first upright 110. The second base 140 is installed to the bottom of second stand 120, is provided with the second fixed orifices on the second base 140, has pegged graft in the second fixed orifices and has had the second locating lever, and the bottom of second locating lever can be the pointed end, is convenient for insert the ground, improves stability. The second upright 120 is provided with a first adjusting plate 170 and a second adjusting plate 180, and the first adjusting plate 170 and the second adjusting plate 180 are arranged at intervals in the length direction of the second upright 120. The telescopic frame 190 is installed between the first upright 110 and the second upright 120, the telescopic frame 190 is arranged in a scissor structure, and the telescopic frame 190 can freely stretch and retract by adjusting the distance between the first upright 110 and the second upright 120 to adapt to the distance change between the first upright 110 and the second upright 120. The first upright 110 and the second upright 120 of adjacent guard units 100 are rotatably engaged, and in particular, the first positioning pin 150 on the first upright 110 of the adjacent guard unit 100 is rotatably engaged with the first adjustment plate 170 on the second upright 120, and the second positioning pin 160 on the first upright 110 is rotatably engaged with the second adjustment plate 180 on the second upright 120.

Referring to fig. 3 and fig. 4, the structures of the first positioning pin 150 and the second positioning pin 160 may be set to be identical, and in this embodiment, in order to avoid redundancy, a specific structure of the first positioning pin 150 is taken as an example for description. The first positioning pin 150 includes a first rod 151 and a second rod 152 connected, the first rod 151 and the second rod 152 having an included angle other than zero, for example, the first rod 151 and the second rod 152 are vertically disposed at an included angle of 90 °. One end of the first rod 151 away from the second rod 152 is fixed on the first upright 110, and one end of the second rod 152 away from the first rod 151 extends toward the first positioning seat.

Referring to fig. 3 and 5, alternatively, the structures of the first adjusting plate 170 and the second adjusting plate 180 are set to be identical, and in this embodiment, to avoid redundancy, a specific structure of the first adjusting plate 170 is taken as an example for illustration. The first adjusting disk 170 is arranged in a fan-shaped structure, so that consumable materials are reduced, and cost is saved. The first adjusting plate 170 has an inner concave surface, the inner concave surface of the first adjusting plate 170 is clamped on the second upright 120, and the first adjusting plate 170 and the second upright 120 can be fixed by welding. The first regulating plate 170 is provided with a plurality of positioning holes 181 arranged at intervals in the circumferential direction of the first regulating plate 170, and the cross-sectional profile of the positioning holes 181 is identical to that of the second lever 152, for example, in this embodiment, the positioning holes 181 are circular holes. When the first adjusting plate 170 is fixed to the second upright 120, the plurality of positioning holes 181 are spaced around the axis of the second upright 120. So designed, when two adjacent protection units 100 are assembled, the end of the second rod 152 far away from the first rod 151 can be inserted into one of the positioning holes 181, and when the second rod 152 is inserted into the positioning hole 181 with a different position selected, the angle of the adjacent protection units 100 is correspondingly adjusted. Meanwhile, after the second rod 152 is inserted into the corresponding positioning hole 181, the first rod 151 abuts against the adjusting disc, so that limiting is realized, and the function of prompting whether the plugging position is in place is achieved. Correspondingly, the second positioning pin 160 is in plug-in fit with one of the positioning holes 181 on the second adjusting plate 180. The locking of angle can be realized after the angle is adjusted by adopting the matching mode of the bolt and the positioning hole, so that the stability of the protection device is improved.

It should be noted that, in other embodiments, the number of the positioning pins and the adjusting discs is not limited to two, but may be other than zero, and the number of the positioning pins and the adjusting discs may be equal.

Further, the reinforcing ribs 153 are arranged between the first rod 151 and the first upright post 110, so that the connection strength of the first upright post and the first upright post 110 is improved, the service life is prolonged, and the use cost is reduced.

In other embodiments, optionally, one protection unit 100 of the at least three protection units 100 is provided with a fluorescent layer, and the fluorescent layer may be disposed on the first upright 110 or the second upright 120, so that the fluorescent layer emits light under the condition that the external ambient light is darker, and has a warning effect at night, so that the accident occurrence probability is reduced.

The folding entrance to a cave protector that this embodiment provided can be according to the shape size adaptability's of the entrance to a cave that protects regulation, uses in a flexible way, and application range is wide to, can adjust to the folded condition, be convenient for accomodate, transport and shift.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. A folding cave entrance guard comprising:

the device comprises at least three protection units (100), wherein the at least three protection units (100) are spliced end to end in sequence to form an annular protection structure, and adjacent protection units (100) can be matched in a rotatable manner to adjust the included angle between the adjacent protection units (100); at least one protection unit (100) of the three protection units (100) is arranged to be of a telescopic structure;

the protection unit (100) comprises two upright posts which are oppositely arranged and a telescopic frame (190) arranged between the two upright posts, wherein two sides of the telescopic frame (190) are respectively connected with the two upright posts, and the shape of the telescopic frame (190) can be changed along with the change of the distance between the two upright posts;

the novel protective unit comprises a protective unit (100), and is characterized in that a positioning bolt is arranged on a first upright (110) of the two uprights, an adjusting disc is arranged on a second upright (120) of the two uprights, a plurality of positioning holes (181) are formed in the adjusting disc, the positioning holes (181) are distributed at intervals in the circumferential direction of the second upright (120), the first upright (110) and the second upright (120) of the protective unit (100) are adjacent to each other, and the positioning bolts of the first upright (110) and the second upright (120) which are matched are selectively inserted into one positioning hole (181) of the positioning holes (181).

2. The folding type opening protection device according to claim 1, wherein:

the telescopic frame (190) is arranged in a scissor structure.

3. The folding type opening protection device according to claim 1, wherein:

the bottom of stand is provided with the positioning seat, wear to be equipped with the locating lever on the positioning seat, the locating lever is used for pegging graft in the bottom of the earth.

4. The folding type opening protection device according to claim 1, wherein:

the number of the positioning bolts on the first upright post (110) is multiple, and the positioning bolts are distributed at intervals in the extending direction of the first upright post (110); correspondingly, a plurality of adjusting discs which are equal to the positioning bolts in number are arranged on the second upright (120).

5. The folding type opening protection device according to claim 1, wherein:

the positioning bolt comprises a first rod (151) and a second rod (152) which are connected, the first rod (151) is fixedly connected with the first upright post (110), the second rod (152) is provided with an included angle with the first rod (151), and the end part, away from the first rod (151), of the second rod (152) is used for being inserted into the positioning hole (181).

6. The folding type opening protection device according to claim 5, wherein:

a reinforcing rib (153) is arranged between the first rod (151) and the first upright (110).

7. The folding cave mouth guard according to any one of claims 1 to 6, wherein:

the adjusting disc is in a fan shape, the adjusting disc is provided with an inner concave surface, and the inner concave surface is clamped and fixed outside the first upright post (110).

8. The folding type opening protection device according to claim 1, wherein:

at least one protection unit (100) of the at least three protection units (100) is provided with a fluorescent layer.