CN108380630B - Foundation pit dustproof device - Google Patents
Foundation pit dustproof device Download PDFInfo
- Publication number
- CN108380630B CN108380630B CN201810293584.4A CN201810293584A CN108380630B CN 108380630 B CN108380630 B CN 108380630B CN 201810293584 A CN201810293584 A CN 201810293584A CN 108380630 B CN108380630 B CN 108380630B
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- China
- Prior art keywords
- keels
- foundation pit
- folding
- pull rod
- end parts
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004744 fabric Substances 0.000 claims abstract description 27
- 239000000428 dust Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000012634 fragment Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
Abstract
The invention discloses a foundation pit dustproof device which comprises a plurality of first keels and a plurality of second keels which are spanned on two opposite sides of the top of a foundation pit, wherein the first keels and the second keels are arranged in the same direction and are mutually alternated, the end parts of the first keels and the end parts of the second keels are connected through folding pull rods, the middle parts of the folding pull rods are foldable and the folding parts are movably connected with the end parts of the first keels, the two ends of the folding pull rods are hinged with the end parts of the second keels on two sides of the first keels in a one-to-one correspondence manner, the end parts of the second keels are further provided with roller structures, and dustproof cloth covers the first keels and the second keels. The foldable support is convenient to fold and unfold, can cover and unfold a foundation pit at any time, and is convenient to use.
Description
Technical Field
The invention relates to the technical field of foundation pit construction, in particular to a foundation pit dust-proof device.
Background
The subway station construction adopts the open cut method construction mostly, and foundation ditch earthwork excavation is very serious to the raise dust pollution of atmosphere, and what is used now is more builds steel awning, and steel awning adopts steel construction, and the construction process is complicated, and the cost is invested highly, has great influence to the time limit for a project, and the later stage demolishs more troublesome.
Disclosure of Invention
In view of the existing or potential shortcomings in the prior art, the foundation pit dustproof device provided by the invention is simple in structure, convenient to install and capable of being assembled at any time.
In order to achieve the above purpose, the invention provides a foundation pit dustproof device, which comprises a plurality of first keels and a plurality of second keels which span opposite sides of the top of a foundation pit, wherein the first keels and the second keels are arranged in the same direction and are mutually alternated, the end parts of the first keels and the end parts of the second keels are connected through folding pull rods, the middle parts of the folding pull rods are foldable and the folding parts are movably connected to the end parts of the first keels, the two ends of the folding pull rods are hinged to the end parts of the second keels at the two sides of the first keels in a one-to-one correspondence manner, the end parts of the second keels are further provided with roller structures, and dustproof cloth covers on the first keels and the second keels.
By adopting the technical scheme, the first keels and the second keels are connected together by the folding pull rod to form the foldable support, the dustproof cloth is covered above the foldable support, the foldable support is convenient to fold and unfold, the foundation pit can be covered and unfolded at any time, and the use is convenient; the bottom of collapsible support is through setting up the gyro wheel structure, can be convenient for folding and the expansion of folding pull rod to the folding up and the expansion of collapsible support of being convenient for can cover the foundation ditch top when expanding, prevent the raise dust that produces when the foundation ditch is cut open.
In the embodiment of the foundation pit dustproof device, the movable connection is hinged.
In an embodiment of the foundation pit dust-proof device of the present invention, the foldable tie rod includes a first tie rod and a second tie rod that rotate around a first axis, first ends of the first tie rod and the second tie rod are rotatably connected to the first axis, and second ends of the first tie rod and the second tie rod are hinged to ends of the second keels on both sides.
In an embodiment of the foundation pit dust-proof device of the present invention, the first shaft is fixedly connected to or formed at an end of the first keel.
In the embodiment of the foundation pit dustproof device, a second shaft is formed at the end part of the second keel in an extending mode, and through holes for the second shaft to penetrate are formed in the second ends of the first pull rod and the second pull rod.
In an embodiment of the foundation pit dust-proof device of the present invention, the roller structure includes a roller support connected to an end of the second keel and a roller mounted on the roller support.
In the embodiment of the foundation pit dustproof device, a wheel groove for the rolling wheel structure to roll is formed in the top of the foundation pit along at least one side portion of the foundation pit.
In the embodiment of the foundation pit dustproof device, the ring beam is arranged at the top of the foundation pit, and the wheel grooves are respectively arranged on the two opposite sides of the ring beam.
In the embodiment of the foundation pit dustproof device, the first keel and the second keel are arc-shaped rods, and the middle of each arc-shaped rod is arched towards one side far away from the foundation pit.
In the embodiment of the foundation pit dustproof device, the dustproof cloth is fixedly connected to the first keel and the second keel, the lower surface of the dustproof cloth is attached to the first keel and the second keel, and the side part of the dustproof cloth is attached to the folding pull rod.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a foundation pit dust-proof device according to an embodiment of the present invention when deployed.
Fig. 2 is a schematic partial structure of the foundation pit dust-proof device according to the embodiment of the invention when folded.
Fig. 3 is an enlarged schematic view of the structure of the folding tie shown at node a in the embodiment of fig. 1.
Fig. 4 is a top view of the structure of the folding tie rod shown at node a in the embodiment of fig. 1.
Fig. 5 is a schematic structural diagram of a roller structure in the foundation pit dust-proof device in the embodiment of fig. 1.
Fig. 6 is a schematic view of the use state of the foundation pit dust-proof device in the embodiment of fig. 1.
Fig. 7 is a top view of the structure of fig. 6.
Fig. 8 is a schematic diagram of the installation structure of the foundation pit dust-proof device and the wheel groove in the embodiment of fig. 1.
Fig. 9 is an enlarged schematic view of the structure at the node B in the embodiment of fig. 8.
Fig. 10 is a schematic structural view of the foundation pit dust-proof device in fig. 8 when folded.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
The technical scheme adopted by the invention is that the foundation pit dustproof device mainly comprises a plurality of first keels and a plurality of second keels which are spanned on two opposite sides of the top of a foundation pit, wherein the first keels and the second keels are arranged in the same direction and are mutually alternated, the end parts of the first keels and the end parts of the second keels are connected through folding pull rods, the middle parts of the folding pull rods are foldable and the folding parts of the folding pull rods are movably connected to the end parts of the first keels, the two ends of the folding pull rods are hinged to the end parts of the two second keels on two sides of the first keels in a one-to-one correspondence manner, in addition, the end parts of the second keels are further provided with roller structures, and dustproof cloth covers on the first keels and the second keels.
According to the invention, the first keels and the second keels are connected together by the folding pull rod to form the foldable support, the dustproof cloth is covered above the foldable support, the foldable support is convenient to fold and unfold, the foundation pit can be covered and unfolded at any time, and the use is convenient; the bottom of the foldable support is provided with the roller structure, so that the folding and unfolding of the foldable pull rod can be facilitated, the top of the foundation pit can be covered during unfolding, dust generated during open excavation of the foundation pit can be effectively prevented from entering the atmosphere, and meanwhile, the foundation pit dust-proof device is low in material cost, convenient to process and convenient to install and detach.
The invention will be described in further detail with reference to the drawings and the specific embodiments.
Referring to fig. 1, the foundation pit dust-proof device includes a foldable bracket formed by combining a plurality of first keels 11, a plurality of second keels 12 and a plurality of groups of foldable pull rods 13, a plurality of groups of roller structures 14 disposed at the bottom of the foldable bracket, and dust-proof cloth (dust-proof cloth is not shown in the figure) covering the top of the foldable bracket.
Wherein, first fossil fragments 11 and second fossil fragments 12 syntropy setting and each other alternate, and cooperation is shown in fig. 1 ~ 5, and first fossil fragments 11 and second fossil fragments 12 all adopt the arc pole that has certain camber, and the middle part of arc pole arch to the one side of keeping away from the foundation ditch. The end of the first keel 11 is connected with the end of the second keel 12 through a folding pull rod 13, the folding pull rod 13 is the end of the first keel 11, the middle part of the folding pull rod is foldable, the folding position is movably connected with the two ends of the folding pull rod 13 are hinged with the end of the two second keels 12 on the two sides of the first keel 11 in a one-to-one correspondence manner, and all the first keels 11 and the second keels 12 are connected together through a plurality of groups of folding pull rods 13 to form the organ type foldable support. Further, each group of folding tie rods 13 further comprises a first tie rod 131 and a second tie rod 132, wherein the first end of the first tie rod 131 and the first end of the second tie rod 132 are close together and are simultaneously rotatably connected to a first shaft 111, so that the first tie rod 131 and the second tie rod 132 can rotate relative to the first shaft 111, the first end of the first tie rod 131 is hinged to the first end of the second tie rod 132, a folding position of the folding tie rod 13 is formed, and the folding position is located in the middle of the folding tie rod 13. The first shaft 111 may be connected to an end of the first keel 11, or the end of the first keel 11 may be extended to form the first shaft 111, so that the end of the first keel 11 is connected to the fold of the folding tie rod 13.
The second ends of the first and second tie rods 131 and 132 of the folding tie rod 13 are respectively hinged to the ends of the two second keels 12 on two sides, the ends of the second keels 12 extend to form a second shaft 121, and through holes for the second shaft 121 to penetrate are formed in the second ends of the first and second tie rods 131 and 132, so that the second ends of the first and second tie rods 131 and 132 are respectively hinged to the ends of the two second keels 12 on two sides through the second shaft 121, as shown in fig. 3 and 4.
Further, a single ear plate (single ear plate) is formed at two ends of the first pull rod 131, a double ear plate (two opposite ear plates) is formed at two ends of the second pull rod 132, the single ear plate at the first end of the first pull rod 131 is inserted between the double ear plates at the first end of the second pull rod 132, and through holes are correspondingly formed on the single ear plate and the double ear plates for the first shaft 111 to pass through, so as to form a hinge; similarly, the single ear plate at the second end of the first pull rod is inserted into the double ear plate at the second end of the adjacent second pull rod, and the second shaft 121 is penetrated through the through holes correspondingly formed in the single ear plate and the double ear plate to form another hinge. In this way, the plurality of first keels 11 and the plurality of second keels 12 alternately arranged side by side are continuously connected together by the plurality of folding tie rods 13 to form the foldable bracket similar to an organ shape, so that folding and unfolding are facilitated.
Preferably, in order to ensure the effective connection between the folding tie rod and the first keel and the second keel, and avoid the mutual slipping, annular grooves can be formed on the first shaft 111 and the second shaft 121, so that the monaural plate and the binaural plate at the end parts of the first tie rod and the second tie rod are embedded into the annular grooves and can rotate around the annular grooves, and the stability in folding and unfolding operations is improved by limiting the first tie rod and the second tie rod by the annular grooves while realizing hinging. And under the condition that annular grooves are not arranged on the first shaft and the second shaft for limiting the first pull rod and the second pull rod, the folding bracket is convenient although the stability is relatively poor.
With reference to fig. 2 and 5, the ends of the second keels 12 on both sides are further provided with roller structures 14, the roller structures 14 are positioned at the bottoms of the second keels 12, and when the foldable bracket is pushed integrally, the foldable bracket can move integrally through the roller structures; when one end of the foldable support is restrained, at this time, the end of the foldable support which is not restrained is pushed again, the foldable support can be quickly folded under the rolling of the roller structures 14, as shown in fig. 2 and 10, when the foldable support is folded, the second keels provided with the roller structures 14 roll close, and the first keels positioned between the second keels move upwards under the folding of the foldable pull rods (the lower part is limited by a foundation, and the first keels do not move downwards) so as to fold the foldable support. The roller structure 14 further includes a roller support 141 connected to the end of the second keel 12 and a roller 142 mounted at the bottom of the roller support 141, wherein the roller 142 is mounted at the bottom of the roller support 141 through a rotating shaft, and the roller 142 can rotate around the rotating shaft, so as to realize rolling of the roller structure 14.
More further, cover the top at collapsible support and have one deck dust cloth, this dust cloth can adopt the cloth of plastic cloth or other flexible materials, the effect of dust cloth is the raise dust that produces when preventing open cut foundation ditch and enters into the atmosphere, dust cloth accessible steel wire ligature is on first fossil fragments and second fossil fragments, and should guarantee that dust cloth and first fossil fragments, second fossil fragments and the folding pull rod at both ends are all closely laminated, in order to ensure collapsible support folding type, dust cloth can fold immediately, when collapsible support is expanded, dust cloth can be expanded immediately. The first keels 11 and the second keels 12 are arc-shaped rods with certain bending degrees, and the dustproof cloth covers the first keels and the second keels, so that rainwater on the dustproof cloth flows to two sides along the bending degrees, drainage of the rainwater is facilitated, and the rainwater is prevented from accumulating on the dustproof cloth to cause compression on the dustproof device.
And fig. 6 to 10 illustrate the state of the foundation pit dust-proof device in the above embodiment of the present invention when in use (only a part of the foldable supports are illustrated in the drawing), when in actual use, all the foldable supports should be ensured to be in an unfolded state, the top of the foundation pit can be completely shielded, and the dust-proof cloth completely covers the top of the foundation pit, so as to achieve a good dust-proof effect). As shown, the first keels 11 and the second keels 12 span opposite sides of the top of the foundation pit 10, in this embodiment, across the width of the foundation pit 10. A ring beam 100 is arranged at the top of the foundation pit 10, a foundation pit dust-proof device is arranged on the ring beam 100, roller structures at two sides of the bottom of the foldable bracket roll on two opposite sides of the ring beam 100 in the width direction respectively, and further, along the corresponding side parts of the ring beam 100, a wheel groove 15 for the roller structures to roll in is arranged on the upper surface of the ring beam 100. As shown in fig. 9, the wheel groove 15 is made of U-shaped channel steel, and when the foundation pit is long, the foundation pit can be formed by splicing multiple sections of channel steel. The opening of the wheel groove 15 is upward, the roller support of the roller structure 14 is embedded into the opening of the wheel groove, and the bottom of the roller protrudes from the bottom of the roller support and rolls on the bottom of the wheel groove. The wheel grooves can be respectively arranged on the two opposite sides of the ring beam so as to simultaneously guide the roller structures at the bottoms of the two sides of the foundation pit dustproof device, so that the roller structures roll along the wheel grooves and the foundation pit dustproof device is guided to be unfolded or folded along the length direction of the foundation pit. When the ring beam is not arranged at the top of the foundation pit, the wheel groove can be directly arranged at the top of the foundation pit; the wheel groove can be formed on one side of the foundation pit, so that the function of guiding rolling can be achieved, but the stability during rolling is lower than the condition that the wheel grooves are formed on two sides simultaneously.
It should be noted that, the structures, proportions, sizes and the like shown in the drawings attached to the present specification are used for understanding and reading only in conjunction with the disclosure of the present specification, and are not intended to limit the applicable limitations of the present invention, so that any modification of the structures, variation of proportions or adjustment of sizes of the structures, proportions and the like should not be construed as essential to the present invention, and should still fall within the scope of the disclosure of the present invention without affecting the efficacy and achievement of the present invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.
Claims (2)
1. The utility model provides a foundation ditch dust keeper which characterized in that: the foundation pit comprises a plurality of first keels and a plurality of second keels which are spanned on two opposite sides of the top of a foundation pit, wherein the first keels and the second keels are arranged in the same direction and are mutually alternated, the end parts of the first keels and the end parts of the second keels are connected through folding pull rods, the middle parts of the folding pull rods are foldable and the folding parts of the folding pull rods are movably connected with the end parts of the first keels, the two ends of the folding pull rods are hinged to the end parts of the second keels on two sides of the first keels in a one-to-one correspondence manner, the end parts of the second keels are further provided with roller structures, and dustproof cloth covers the first keels and the second keels;
the movable connection is hinged; the folding pull rod comprises a first pull rod and a second pull rod which rotate around a first shaft, first ends of the first pull rod and the second pull rod are rotatably connected to the first shaft, and second ends of the first pull rod and the second pull rod are hinged to the end parts of the second keels on two sides; the first shaft is fixedly connected with or formed at the end part of the first keel; a second shaft is formed at the end part of the second keel in an extending way, and a through hole for the second shaft to penetrate is formed at the second ends of the first pull rod and the second pull rod; the roller structure comprises a roller support connected to the end part of the second keel and a roller arranged on the roller support; a wheel groove for the rolling wheel structure to roll is formed in the top of the foundation pit along at least one side part of the foundation pit; the top of the foundation pit is provided with a ring beam, and the opposite sides of the ring beam are respectively provided with the wheel grooves; the first keels and the second keels are arc-shaped rods with the middle parts arched towards one side far away from the foundation pit.
2. The foundation pit dust guard of claim 1, wherein: the dustproof cloth is fixedly connected to the first keels and the second keels, the lower surfaces of the dustproof cloth are attached to the first keels and the second keels, and the side parts of the dustproof cloth are attached to the folding pull rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810293584.4A CN108380630B (en) | 2018-03-30 | 2018-03-30 | Foundation pit dustproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810293584.4A CN108380630B (en) | 2018-03-30 | 2018-03-30 | Foundation pit dustproof device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108380630A CN108380630A (en) | 2018-08-10 |
| CN108380630B true CN108380630B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810293584.4A Active CN108380630B (en) | 2018-03-30 | 2018-03-30 | Foundation pit dustproof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108380630B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552513A (en) * | 2019-08-01 | 2019-12-10 | 中国一冶集团有限公司 | Foundation trench earth and stone square operation dustproof shed and erection method |
| CN114433591A (en) * | 2022-01-29 | 2022-05-06 | 广东韶钢松山股份有限公司 | Turnover folding dust hood |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108380630A (en) | 2018-08-10 |
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