阅读说明：本技术 一种用于悬臂施工的带节水循环的兜底防护系统 (A pocket end protection system that is used for area water conservation circulation of cantilever construction ) 是由 伍亮 白顺 王峰 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种用于悬臂施工的带节水循环的兜底防护系统,包括设置在桥墩一侧下方的兜底防护平台,所述兜底防护平台包括底部钢板以及固定安装在底部钢板四周且竖直设立的防护板,所述底部钢板的上表面为倾斜底面,在所述防护板的内侧固定安装有网格板,所述网格板与底部钢板的上表面具有间隙,所述兜底防护平台的底部一侧位置安装有储水水箱,所述储水水箱的出水口一端通过水管连接在第一水泵上,本发明通过在兜底防护平台上设置储水水箱,能够达到防水坠落的效果,避免因施工过程中废水及水泥浆的坠落影响下方既有高速的人车通行,保证悬臂施工法的施工安全。(The invention discloses a pocket bottom protection system with water-saving circulation for cantilever construction, which comprises a pocket bottom protection platform arranged below one side of a bridge pier, the bottom pocket protection platform comprises a bottom steel plate and vertically arranged protection plates fixedly arranged on the periphery of the bottom steel plate, the upper surface of the bottom steel plate is an inclined bottom surface, a grid plate is fixedly arranged on the inner side of the protection plate, a gap is formed between the grid plate and the upper surface of the bottom steel plate, according to the invention, the water storage tank is arranged on the pocket bottom protection platform, so that the waterproof falling effect can be achieved, the situation that high-speed people and vehicles pass below due to the falling influence of waste water and cement paste in the construction process is avoided, and the construction safety of a cantilever construction method is ensured.)

1. A pocket bottom protection system with water-saving circulation for cantilever construction is characterized by comprising:

the protective platform (2) is arranged below one side of the bridge pier (6), and the protective platform (2) comprises a bottom steel plate (201) and a protective plate (202) which is fixedly arranged on the periphery of the bottom steel plate (201) and is vertically arranged;

a hanging basket (5) arranged on one side above the bridge pier (6);

one end of the suspender (7) is fixedly connected with the pocket bottom protection platform (2), and the other end of the suspender is fixedly connected with the hanging basket (5);

the upper surface of the bottom steel plate (201) is an inclined bottom surface (203), a grid plate (204) is fixedly mounted on the inner side of the protection plate (202), a gap is formed between the grid plate (204) and the upper surface of the bottom steel plate (201), a water storage tank (1) is mounted at one side of the bottom of the pocket bottom protection platform (2), one end of a water outlet of the water storage tank (1) is connected to a first water pump (3) through a water pipe, the first water pump (3) is arranged above the pocket bottom protection platform (2), an automatic spraying device (4) used for watering poured concrete is arranged above the bridge pier (6), and the other end of the first water pump (3) is connected with the automatic spraying device (4);

the automatic spraying device (4) comprises a large water tank (401), a second float switch (402) is installed in the large water tank (401), the water inlet end of the large water tank (401) is connected with a first water pump (3), the water outlet end of the large water tank (401) is connected with a second water pump (403), the other end of the second water pump (403) is connected with a sprayer (405), and a pressure switch (404) is installed on a pipeline between the sprayer (405) and the second water pump (403).

2. The bottom pocket protection system with water saving cycle for cantilever construction according to claim 1, wherein: the water storage tank (1) is of an open-top structure, and a filtering device for filtering slurry is arranged in the water storage tank (1).

3. The bottom pocket protection system with water saving cycle for cantilever construction as claimed in claim 2, wherein: the filtering device comprises a plurality of vertical plates (101) vertically arranged inside the water storage tank (1), the two adjacent vertical plates (101) are arranged in parallel, the internal part of the water storage tank (1) is divided into a plurality of spaces by the vertical plates (101), the height of the vertical plates (101) is gradually increased from one side of the inner wall of the water storage tank (1) to the other side of the inner wall of the water storage tank (1), and a first float switch (102) is arranged in a cavity formed by the vertical plates (101) with the highest height and the inner wall of the water storage tank (1).

4. The bottom pocket protection system with water saving cycle for cantilever construction as claimed in claim 2, wherein: the filtering device comprises a supporting block (103) arranged on the inner wall of the water storage tank (1), a filtering shell (104) with an open top is placed above the supporting block (103), the bottom surface of the filtering shell (104) is of an inverted cone-shaped structure, a plurality of through holes (106) are formed in the bottom surface of the filtering shell (104), and a filtering piece (105) is placed inside the filtering shell (104).

5. The bottom pocket protection system with water saving cycle for cantilever construction according to claim 1, wherein: the filter element (105) is non-woven fabric or sponge.

6. The bottom pocket protection system with water saving cycle for cantilever construction as claimed in claim 2, wherein: the filter device comprises a filter plate (107) vertically installed inside a water storage tank (1), the filter plate (107) is a filter gauze or non-woven fabric, the bottom of the water storage tank (1) is provided with a mud collecting region (108) which is sunken downwards and used for collecting mud, the mud collecting region (108) is arranged at the position of one side of the filter plate (107), and the bottom of the mud collecting region (108) is connected with a mud discharging pipe (109).

7. The bottom pocket protection system with water saving cycle for cantilever construction according to claim 1, wherein: the hanger rod (7) is a screw-thread steel hanger rod.

Technical Field

The invention relates to the technical field of civil engineering, in particular to a pocket bottom protection system with water-saving circulation for cantilever construction.

Background

The cantilever construction method is a construction method that working platforms are arranged on two sides of a bridge pier, and beam sections are poured or assembled to a midspan cantilever section by section in a balanced manner until a bridge span structure is closed. The working principle of the method can be explained by three main working links of working platform displacement (hanging basket or crane), construction beam section positioning (pouring or assembling) and construction beam section connection (strong tensile prestress) and the like. The method can affect the normal traffic of people and vehicles on the lower highway under the condition of crossing the existing high speed. Meanwhile, in the concrete pouring and curing process, part of water and cement paste can drop on a high-speed road, so that the passing of people and vehicles below is influenced, and the waste of water resources is also caused. Therefore, when the bridge cantilever is constructed, a bottom protective platform is needed to be arranged to reduce the influence on the high speed below the bridge cantilever.

At present, Chinese patent CN208201668U discloses a protective platform at bottom of pocket for overpass bridge hanging basket construction, and this platform is rational in infrastructure, and easy operation guarantees driving and constructor safety, promotes overpass bridge construction technical level. However, the pocket bottom protection platform can only protect the existing line below, cannot completely prevent water and objects from falling, reduces the construction efficiency and has construction hazard; and the protection platform can not realize the cyclic utilization of water resources all around, and the construction cost is inevitably improved.

Chinese patent CN207435901U discloses an attached totally-enclosed safety shelter for hanging basket construction on overpass roads. The protection shed is characterized in that a protection platform is welded on a bottom die of a hanging basket in a hanging mode, a protection plate is installed on the outer side of the protection platform, and a fence is arranged around the protection platform to achieve the purposes of preventing water and objects from falling. However, the distance between the protective shed pocket bottom tray and the hanging basket is large, and the protective net which is 1.5 meters higher than the poured continuous beam surface is arranged, so that the construction cost is improved, and the construction efficiency is reduced; and this protection canopy sets up the basin all around, but only extracts the emission to ponding, can't accomplish the cyclic utilization to the water resource, must improve construction cost.

Therefore, a bottom-pocket protection system with water-saving circulation for cantilever construction is needed to solve the above technical problems.

Disclosure of Invention

The invention provides a pocket bottom protection system with water-saving circulation for cantilever construction, which aims to solve the problem that the existing line cannot be protected and water resources are recycled in the existing continuous beam bridge cantilever construction process in the background art.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a bottom pocket protection system with water-saving circulation for cantilever construction, comprising:

the bottom pocket protection platform is arranged below one side of the bridge pier and comprises a bottom steel plate and a protection plate which is fixedly arranged on the periphery of the bottom steel plate and is vertically arranged;

the hanging basket is arranged on one side above the bridge pier;

one end of the suspender is fixedly connected with the pocket bottom protection platform, and the other end of the suspender is fixedly connected with the hanging basket;

the upper surface of the bottom steel plate is an inclined bottom surface, a grid plate is fixedly mounted on the inner side of the protection plate, a gap is formed between the grid plate and the upper surface of the bottom steel plate, a water storage tank is mounted at one side of the bottom of the pocket bottom protection platform, one end of a water outlet of the water storage tank is connected to a first water pump through a water pipe, the first water pump is arranged above the pocket bottom protection platform, an automatic spraying device used for watering poured concrete is arranged above the bridge pier, and the other end of the first water pump is connected with the automatic spraying device;

the automatic spraying device comprises a large water tank, a second float switch is installed in the large water tank, the water inlet end of the large water tank is connected with a first water pump, the water outlet end of the large water tank is connected with a second water pump, the other end of the second water pump is connected with a sprayer, and a pressure switch is installed on a pipeline between the sprayer and the second water pump.

Preferably, the water storage tank is of a top opening type structure, and a filtering device for filtering slurry is arranged in the water storage tank.

Preferably, the filtering device comprises a plurality of vertical plates vertically arranged inside the water storage tank, the two adjacent vertical plates are arranged in parallel, the plurality of vertical plates divide the inside of the water storage tank into a plurality of spaces, the height of each vertical plate gradually increases from one side of the inner wall of the water storage tank to the other side of the inner wall of the water storage tank, and a first float switch is arranged in a cavity formed by the vertical plate with the highest height and the inner wall of the water storage tank.

Preferably, the filtering device comprises a supporting block arranged on the inner wall of the water storage water tank, a filtering shell with an opening at the top is placed above the supporting block, the bottom surface of the filtering shell is of an inverted cone-shaped structure, a plurality of through holes are formed in the bottom surface of the filtering shell, and a filtering piece is placed inside the filtering shell.

Preferably, the filter member is a non-woven fabric or a sponge.

The filter device comprises a filter plate vertically arranged inside a water storage tank, the filter plate is a filter gauze or non-woven fabric, a mud collecting area which is sunken downwards and used for collecting mud is arranged at the bottom of the water storage tank, the mud collecting area is arranged at one side of the filter plate, and a mud discharging pipe is connected to the bottom of the mud collecting area.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the water storage tank is arranged on the pocket bottom protection platform, so that a waterproof falling effect can be achieved, the influence of falling of waste water and cement paste in the construction process on the passing of existing high-speed people and vehicles below is avoided, and the construction safety of a cantilever construction method is ensured;

(2) the invention can monitor the water level height in the water storage tank in real time through the float switch, and when the water level height is higher, the water level height is timely extracted and conveyed to the automatic spraying device for spraying and curing the concrete;

(3) according to the invention, the automatic spraying maintenance of the concrete is realized through the automatic spraying device, the configuration of concrete maintenance personnel is reduced, the cost is reduced, and the construction efficiency is improved;

(4) according to the invention, the water and the cement slurry collected in the water tank are separated by arranging three different filtering devices, so that the treated water is not mixed with the slurry, the recycling of water resources is better realized, in addition, the slurry can be recycled, the three filtering devices are innovative according to the practical application process, the separation can be well realized, and the effect is obvious.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an automatic spraying device according to the present invention;

FIG. 3 is a structural view of the installation position of the water storage tank of the present invention;

FIG. 4 is a block diagram of the bottom protective platform of the present invention;

FIG. 5 is a schematic view of a filter device according to a first embodiment of the present invention;

FIG. 6 is a view showing the construction of a filter device according to a second embodiment of the present invention;

fig. 7 is a structural view of a filter device in a third embodiment of the present invention.

Wherein:

1. a water storage tank; 101. a vertical plate; 102. a first float switch; 103. a support block; 104. a filter housing; 105. a filter member; 106. a through hole; 107. a filter plate; 108. a slurry collection zone; 109. a slurry discharge pipe; 2. a bottom pocket protection platform; 201. a bottom steel plate; 202. a protection plate; 203. an inclined bottom surface; 204. a grid plate; 3. a first water pump; 4. an automatic spraying device; 401. a large water tank; 402. a second float switch; 403. a second water pump; 404. a pressure switch; 405. a sprayer; 5. hanging a basket; 6. a bridge pier; 7. a boom.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1 to 5, a pocket bottom protection system with water saving circulation for cantilever construction comprises a pocket bottom protection platform 2 arranged below one side of a bridge pier 6, wherein the pocket bottom protection platform 2 comprises a bottom steel plate 201 and a protection plate 202 which is fixedly arranged around the bottom steel plate 201 and vertically arranged, the upper surface of the bottom steel plate 201 is an inclined bottom surface 203, a grid plate 204 is fixedly arranged on the inner side of the protection plate 202, a gap is formed between the grid plate 204 and the upper surface of the bottom steel plate 201, so that when water left on the surface of the bridge pier 6 falls on the pocket bottom protection platform 2, the water can pass through the grid plate 204 and fall above the bottom steel plate 201, the size of the gap between the grid plate 204 and the bottom steel plate 201 is 10 to 20cm, the water level can be prevented from being higher than the grid plate 204, a constructor can conveniently stand on the grid plate 204, and simultaneously, the inclined bottom surface 203 can ensure that water gradually flows to a low point position under the action of self gravity and finally flows to a water storage tank below from a through hole formed in the bottom steel plate 201; the automatic concrete pouring system is characterized in that a water storage water tank 1 is installed at one side of the bottom of the pocket bottom protection platform 2, one end of a water outlet of the water storage water tank 1 is connected to a first water pump 3 through a water pipe, the first water pump 3 is arranged above the pocket bottom protection platform 2, an automatic spraying device 4 used for watering poured concrete is arranged above the bridge pier 6, and the other end of the first water pump 3 is connected with the automatic spraying device 4.

Specifically, water storage tank 1 is open-top structure for in making the rivers that flow to at the bottom of the pocket on protection platform 2 flow into water storage tank 1, water storage tank 1's inside is equipped with and is used for carrying out filterable filter equipment to mud.

Specifically, filter equipment includes a plurality of risers 101 of vertical installation in water storage tank 1 inside, two adjacent risers 101 are parallel to each other and set up, and a plurality of risers 101 with water storage tank 1 internal partitioning for a plurality of spaces, the height dimension of riser 101 is from water storage tank 1 inner wall one side to another one side and is progressively increased progressively and sets up, install first float switch 102 in the cavity that highly highest riser 101 and water storage tank 1 inner wall formed, so set up, adopt mud density to be greater than the principle of water, after water gets into water storage tank 1 in, can pass through a layer upon layer sediment, the mud content of final water end water guide-out reduces from going out, avoid causing the jam problem of pipeline.

Specifically, the automatic spraying device 4 comprises a large water tank 401, a second float switch 402 is installed in the large water tank 401, the water inlet end of the large water tank 401 is connected with the first water pump 3, the water outlet end of the large water tank 401 is connected with the second water pump 403, the other end of the second water pump 403 is connected with a sprayer 405, and a pressure switch 404 is installed on a pipeline between the sprayer 405 and the second water pump 403.

Specifically, a hanging basket 5 is installed on one side above the bridge pier 6, and the hanging basket 5 is connected with the pocket bottom protection platform 2 through a suspender 7.

During construction, the water storage tank 1 is installed below the pocket bottom protection platform 2, the first float switch 102 is installed, the first water pump 3 is placed on the pocket bottom protection platform 2, one end of the first water pump 3 is connected with the water storage tank 1 through a water pipe, and the other end of the first water pump is connected with the large water tank 401 of the automatic spraying device 4. Along with the progress of work progress, can carry out cyclic utilization to the water that the work progress produced, its cyclic process as follows:

(1) construction of the bridge pier 6 is carried out, and the hanging basket 5 and the bottom-pocket protection water-saving circulating system are installed completely;

(2) after concrete pouring is finished, after the water in the large water tank 401 of the automatic spraying device 4 reaches the water level line, triggering a second float switch 402 and a pressure switch 404 to open a second water pump 403 and a sprayer 405, spraying and maintaining concrete, wherein the water level of the large water tank 401 is reduced and the second water pump 403 is closed along with the spraying and maintaining;

(3) in the concrete curing process, curing water is prevented from splashing and falling to the lower existing high speed through a protective net and a pocket bottom protection platform 2, wherein the protective net is arranged at three edge positions of the upper surface of a pier 6, the pocket bottom protection platform 2 is positioned at the lower position of the other edge of the pier 6, water resources splashed and falling in the process flow into a water storage tank 1, an upper opening of the water storage tank 1 is communicated with the upper part of the pocket bottom protection platform 2, and the water storage tank 1 is arranged to achieve the water collecting and storing effect;

(4) the water level of the water storage tank 1 rises, a float switch is triggered, the first water pump 3 is started, and the first water pump 3 pumps and conveys water in the water storage tank 1 to a large water tank 401 of the automatic spraying device 4; along with the pumping of water, the water level of the water storage tank 1 is reduced, and the first water pump 3 is closed;

(5) along with the delivery of water in the water storage tank 1, the water level of a large water tank 401 of the automatic spraying device 4 rises, a second float switch 402 is triggered, a second water pump 403 is started, a pressure switch 404 is triggered, and an automatic sprayer 405 is opened to spray and maintain concrete;

(6) the whole set of bottom-pocket protection water-saving circulating system moves along with the hanging basket 5 structure along with the construction, and the processes from (2) to (5) are repeated.

In order to avoid the problem of blocking of equipment in the water circulation process, slurry entering the water storage tank 1 can be filtered under the action of the filtering device, wherein in the process that water flows into the water storage tank 1, the water firstly flows into a cavity formed by the vertical plate 101 with the lowest height and the inner wall of the water storage tank 1, along with the rising of the water level, the slurry can gradually sink into the bottom of the cavity and then flows into the adjacent cavity to continue to be precipitated, and when the slurry flows to the last cavity, the slurry can finish the precipitation process, so that the filtering effect is realized.

Example two

As shown in fig. 1 to 4 and fig. 6, the present embodiment is different from the above-described embodiments only in the way of filtering the slurry, and in the present embodiment, the filtering apparatus includes a supporting block 103 installed at the inner wall of the water storage tank 1, a filtering shell 104 with an open top is arranged above the supporting block 103, the bottom surface of the filtering shell 104 is in an inverted cone-shaped structure, a plurality of through holes 106 are opened on the bottom surface of the filter housing 104, a filter member 105 is disposed inside the filter housing 104, wherein, the filter member 105 is made of non-woven fabric or sponge, so that when water flows into the water storage tank 1, firstly, non-woven fabrics or sponge are adopted to filter the slurry, water flows to the water storage tank 1 from the through hole 106 to realize the filtering effect on the slurry, when the cleaning, only need take out non-woven fabrics or sponge and wash or change, can accomplish the washing.

EXAMPLE III

As shown in fig. 1-4 and fig. 7, the present embodiment is different from the above embodiments only in the filtering manner of slurry, in the present embodiment, the filtering device includes a filtering plate 107 vertically installed inside the water storage tank 1, the filtering plate 107 is a filtering gauze or non-woven fabric, the bottom of the water storage tank 1 is provided with a slurry collecting region 108 recessed downwards for collecting slurry, the slurry collecting region 108 is arranged at a position at one side of the filtering plate 107, the bottom of the slurry collecting region 108 is connected with a slurry discharging pipe 109, during the actual construction process, water on the bottom-pocket protection platform 2 flows into the position having the slurry collecting region 108, as the water level rises, the water flows to the other side of the filtering plate 107 after being filtered by the filtering plate 107, and the slurry gradually sinks into the slurry collecting region 108, and when the construction is finished, a valve on the slurry discharging pipe 109 is opened, and (4) leading out the slurry.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.