CN211396903U

CN211396903U - Liftable fence

Info

Publication number: CN211396903U
Application number: CN201921957512.1U
Authority: CN
Inventors: 费文君; 黄策
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-09-01
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to the field of urban furniture, and provides a liftable fence, which uses solar energy as energy, combines the basic functions of space isolation and enclosure provided at ordinary times with the function of opening a channel at the fence for people to rapidly enter and exit in disaster, and wins time for emergency evacuation; the guardrail comprises guardrail upright posts arranged on a foundation and fences arranged on the guardrail upright posts and the foundation; the solar photovoltaic panel is arranged at the top of the guardrail upright post, the storage battery is arranged in the guardrail upright post, the input end of the storage battery is electrically connected with the solar photovoltaic panel, the groove-shaped guardrail base is arranged in the foundation, is hollow and is provided with an opening at the top, and the fence is movably arranged in the guardrail base through a vertical moving device; the vertical moving device comprises a linkage platform fixedly connected to the lower ends of a plurality of vertical rods and a lead screw lifting mechanism arranged between the bottom of the guardrail base and the linkage platform.

Description

Liftable fence

Technical Field

The utility model relates to a city furniture field provides a liftable rail, and the solar energy is the energy, can be opened the function that the passageway supplied people to pass in and out fast by rail department rapidly when being used for space isolation and enclosure's basis function and calamity that provide at ordinary times combines together, wins the time for urgent evacuation.

Background

China is one of the countries with frequent earthquake disasters in the world, and the earthquake and the secondary disasters thereof have great harm to the development of cities and the life safety of people. In an urban comprehensive disaster prevention system, urban green lands occupy very important positions. In a series of processes from disordered refuge to post-disaster rescue and reconstruction of people in the past earthquake, the urban green land plays an important role in the important stages of earthquake and secondary disaster occurrence, post-disaster reconstruction, urban revival and the like.

However, in the process of emergency evacuation, because fences are often arranged around urban greenbelts or other refuge fields such as playgrounds, parking lots and the like for space isolation and containment, the number of openings for people to enter and exit is limited, so that refuge people are difficult to enter a safe field at the first time, and unnecessary casualties are caused. Under the background, how to deal with the problem that the entrance and exit of the refuge site are limited opens more ways to enter the refuge site, and becomes an important research task.

The utility model discloses can be rapidly opened the function that the passageway supplied people to pass in and out by rail department and combine together with the basic function that is used for space isolation and enclosure that this kind of infrastructure of rail provided at ordinary times when the calamity, win the time for urgent evacuation.

Disclosure of Invention

The utility model aims at providing a liftable rail, the solar energy is the energy, can be rapidly opened the function that the passageway supplied people to pass in and out fast by rail department when the basic function that is used for space isolation and enclosure that provides at ordinary times and calamity combines together, gains the time for urgent evacuation.

The utility model aims at realizing through the following technical scheme:

a liftable fence comprises a guardrail upright post arranged on a foundation, a fence arranged on the guardrail upright post and the foundation, a solar photovoltaic panel arranged at the top of the guardrail upright post, a storage battery arranged in the guardrail upright post, a hollow and top-opened groove-shaped guardrail base and a vertical moving device, wherein the fence is formed by a plurality of transverse rods arranged transversely and a plurality of vertical rods fixedly connected to the transverse rods and arranged vertically; the vertical moving device comprises a linkage platform fixedly connected to the lower ends of a plurality of vertical rods and a lead screw lifting mechanism arranged between the bottom of the guardrail base and the linkage platform; the set of lead screw lifting mechanism comprises a vertical motor, a lead screw and a nut, wherein the vertical motor is arranged at the bottom of the guardrail base and is powered by a storage battery through a motor switch arranged on the guardrail upright post; the screw lifting mechanisms are at least provided with two sets which are respectively positioned at two ends of the linkage platform, and the vertical motors of all the screw lifting mechanisms are linked.

The utility model has the advantages that:

when in use:

when the fence is flat, the fence is lifted, and the fence is locked at any lifted height by utilizing the good self-locking performance of the screw-nut pair, so that the basic functions of space isolation and enclosure are provided; the solar photovoltaic panel receives sunlight, converts the solar energy into electric energy and transmits the electric energy to the storage battery for storage and standby.

In case of disaster, a motor switch is switched on, the vertical motor drives the screw nut pair to work to drive the linkage platform to descend to the lowest position of the descending fence, the motor switch is switched off, and a channel is opened at the fence for people to rapidly enter and exit.

The liftable fence takes solar energy as energy, and the basic functions of space isolation and enclosure provided at ordinary times and the function of opening the channel at the fence for people to rapidly enter and exit in a disaster are combined, so that time is won for emergency evacuation.

Foretell liftable rail still including setting up the vertical guide rail in the guardrail stand, connect firmly at the horizontal pole tip and the vice slider of guide rail slider constitutes for the rail reciprocates for the guardrail stand and provides accurate direction.

The liftable fence is provided with the LED lamp powered by the storage battery through the light-operated switch arranged on the guardrail stand column on the upper part of the guardrail stand column, and is used for lighting when light is dark.

Drawings

FIG. 1 is a schematic view of a liftable enclosure;

FIG. 2 is a top view (partial) of FIG. 1;

FIG. 3 is a side view (in partial) of FIG. 1;

fig. 4 is a schematic view of the internal structure of the guardrail base.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to fig. 1, fig. 2, fig. 3, a liftable rail shown in fig. 4, including setting up guardrail stand 8 on basis (not shown in the figure), set up rail 12 on guardrail stand 8 and basis, rail 12 is the fence that comprises a plurality of horizontal poles that transversely set up and a plurality of montants 3 of vertical setting of linking firmly on a plurality of horizontal poles, still including setting up the solar photovoltaic panel at guardrail stand 8 top, the battery of input end and solar photovoltaic panel electricity connection sets up in guardrail stand 8, set up in the basis, inside cavity, guardrail base 1 of open-top's cell type, rail 12 passes through the vertical mobile device removal setting in guardrail base 1.

The vertical moving device comprises a linkage platform 9 fixedly connected at the lower end of the vertical rods 3 and a screw rod lifting mechanism 11 arranged between the bottom of the guardrail base 1 and the linkage platform 9; a set of screw lifting mechanism 11 comprises a vertical motor 10 which is arranged at the bottom of the guardrail base and is powered by a storage battery through a motor switch 7 arranged on the guardrail upright post 8, a screw 13 which is hinged with a main shaft of the vertical motor 10 through a coupling 14, and a nut (not shown in the figure) which is fixedly connected on the linkage platform 9 and forms a screw nut pair with the screw 13; the screw rod lifting mechanisms 11 are at least two sets respectively positioned at two ends of the linkage platform 9, and the vertical motors 10 of all the screw rod lifting mechanisms 11 are linked to keep the rail 12 in translation when lifting.

The lead screw lifting mechanism 11 can also be increased according to the length, rigidity and weight of the fence, and is not described in detail for the prior art.

In the prior art, the motor switch 7 selects a remote control switch more to strive for emergency response time.

Foretell liftable rail still including setting up vertical guide rail 6 in guardrail stand 8, link firmly at the horizontal pole tip and the slider 15 that the guide rail slider is vice constitutes for rail 12 reciprocates for guardrail stand 8 and provides accurate direction.

In specific implementation, the guardrail upright post 8 is a masonry constructed on the foundation; the guardrail base 1 is a masonry constructed in a foundation and is of a box-type structure with an opening at the top, and an upper opening of the guardrail base 1 is flat with the upper surface of the foundation, so that a passage is free of obstacles when being opened; the fence 12 comprises an upper cross bar 4, a lower cross bar 2 and a plurality of vertical bars 3 which are longitudinally and uniformly distributed on the upper cross bar 4 and the lower cross bar 2 along the upper cross bar 4 and the lower cross bar 2 and are fixedly connected with the upper cross bar 4 and the lower cross bar 2.

The guardrail posts 8 can be arranged at the end of the fence 12 only at one end of the fence 12, in the illustration, the guardrail posts 8 are located at the left end of the fence 12, that is, the left end of the fence 12 is vertically moved and arranged on the guardrail posts, or the guardrail posts 8 can be arranged at both ends of the fence 12, that is, both ends of the fence 12 are respectively moved and arranged on the guardrail posts 8 located at both ends of the fence 12.

The liftable fence is provided with the LED lamp 5 powered by the storage battery through the light-operated switch arranged on the guardrail upright post 8 on the upper part of the guardrail upright post 8, and is used for lighting when light is dark (particularly at night), and at ordinary times, the LED lamp 5 can also be used as a landscape lamp. The optical control switch is prior art and will not be described herein.

When in use:

when the fence is flat, the fence is lifted, and the fence is locked at any lifted height by utilizing the good self-locking performance of the screw-nut pair, so that the basic functions of space isolation and enclosure are provided; the solar photovoltaic panel receives sunlight, converts solar energy into electric energy and transmits the electric energy to the storage battery for storage and standby; the light-operated switch detects the intensity of ambient light, and when light is darker, the light-operated switch is switched on, and the LED lamp is used as a landscape lamp.

In case of disaster, a motor switch is switched on, the vertical motor drives the screw-nut pair to work to drive the linkage platform to descend to the lowest position of the descending fence, the motor switch is switched off, and a channel is opened at the fence for people to rapidly enter and exit; the light-operated switch detects the intensity of ambient light, and when light was darker, the light-operated switch was put through, and the LED lamp is used as the light.

The utility model has the advantages that:

Claims

1. A liftable fence comprises a guardrail upright post arranged on a foundation, a fence arranged on the guardrail upright post and the foundation, wherein the fence is formed by a plurality of transverse rods transversely arranged and a plurality of vertical rods fixedly connected to the transverse rods and vertically arranged; the vertical moving device comprises a linkage platform fixedly connected to the lower ends of a plurality of vertical rods and a lead screw lifting mechanism arranged between the bottom of the guardrail base and the linkage platform; the set of lead screw lifting mechanism comprises a vertical motor, a lead screw and a nut, wherein the vertical motor is arranged at the bottom of the guardrail base and is powered by a storage battery through a motor switch arranged on the guardrail upright post; the screw lifting mechanisms are at least provided with two sets which are respectively positioned at two ends of the linkage platform, and the vertical motors of all the screw lifting mechanisms are linked.

2. The liftable enclosure of claim 1, further comprising a vertical guide rail arranged in the guardrail upright post, and a slider fixedly connected to the end of the cross rod and the guide rail to form a guide rail slider pair.

3. The liftable fence of claim 1, wherein an LED lamp powered by a storage battery through a light-operated switch arranged on the fence post is arranged at the upper part of the fence post.