CN112281939A - Reverse construction method long-distance soil taking and carrying integrated equipment and construction method - Google Patents
Reverse construction method long-distance soil taking and carrying integrated equipment and construction method Download PDFInfo
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- CN112281939A CN112281939A CN202011130233.5A CN202011130233A CN112281939A CN 112281939 A CN112281939 A CN 112281939A CN 202011130233 A CN202011130233 A CN 202011130233A CN 112281939 A CN112281939 A CN 112281939A
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- soil
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- belt conveyor
- movable belt
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
In order to improve the soil taking efficiency and shorten the soil taking construction period in the reverse construction method construction process, the invention provides a reverse construction method long-distance soil taking and carrying integrated equipment and a construction method. The technical scheme of the long-distance soil taking and transporting integrated equipment adopting the reverse construction method is as follows: comprises a soil collecting digging machine head and one or more movable belt conveyor units which are sequentially connected with the rear part of the soil collecting digging machine head; the movable belt conveyor unit comprises a conveyor belt, a transmission device, an adjustable bracket and a base, wherein the transmission device is arranged at two ends of the conveyor belt and used for driving the conveyor belt, the conveyor belt is arranged on the base, and the adjustable bracket is arranged at the lower part of the base; the tail part of the front movable belt conveyor unit is arranged above the end part of the back movable belt conveyor unit, and the first movable belt conveyor unit is arranged close to the soil collecting digging machine head.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a reverse construction method long-distance soil taking and transporting integrated equipment and a construction method.
Background
With the further development of urbanization, the construction style of urban underground space development gradually changes from extensive large-dismantling large-building to fine and fine, and the urban core area micro-disturbance underground space development technology is becoming the mainstream direction of the existing engineering application. When the traditional reverse construction method is used for taking soil, small-sized excavators are distributed in a large range underground, a part of soil is conveyed to a soil taking port in a relay mode, then the soil is taken to the ground through the soil taking port in a bit-by-bit mode through vertical soil taking equipment, and finally the final transportation is completed through a muck truck. Although the conventional soil borrowing method can complete the soil borrowing task in the underground narrow space, the following defects exist:
1. a large amount of machines need to be consumed for mutual cooperation so as to improve the soil borrowing efficiency, and the effective soil borrowing efficiency of the machines is low;
2. when soil is taken in a large underground space, the soil can reach the ground only by carrying the soil horizontally and vertically for many times, so that the soil taking efficiency is low;
3. the construction cost of excavation is greatly increased;
4. in the design stage, a plurality of large soil taking openings are required to be arranged on the floor slab and the interlayer slab structure so as to improve the soil taking efficiency, the integrity of the floor slab is damaged, and the deformation of the surrounding environment is increased.
Disclosure of Invention
In order to improve the soil taking efficiency and shorten the soil taking construction period in the reverse construction method construction process, the invention provides a reverse construction method long-distance soil taking and carrying integrated equipment and a construction method.
The technical scheme of the long-distance soil taking and transporting integrated equipment adopting the reverse construction method is as follows:
a reverse construction method long-distance soil taking and carrying integrated device comprises a soil collecting digging machine head and one or more movable belt conveyor units which are sequentially connected to the rear part of the soil collecting digging machine head; the movable belt conveyor unit comprises a conveyor belt, a transmission device, an adjustable bracket and a base, wherein the transmission device is arranged at two ends of the conveyor belt and used for driving the conveyor belt, the conveyor belt is arranged on the base, and the adjustable bracket is arranged at the lower part of the base; the tail part of the front movable belt conveyor unit is arranged above the end part of the back movable belt conveyor unit, and the first movable belt conveyor unit is arranged close to the soil collecting digging machine head.
According to the integrated equipment for long-distance soil taking and carrying by the reverse construction method, the soil collecting digging machine head is used for taking soil in the front, the muck is scraped to the conveying belt of the movable belt conveyor unit, the conveying belt is used for conveying the muck to the rear outlet, and the muck vehicle is waited to be cleared, so that the soil excavation and the soil transportation are realized. The number of the movable belt conveyor units is increased along with the increase of the excavation depth and the distance of the muck, so that the purpose of long-distance transportation of the muck is realized.
Furthermore, the integrated reverse-construction-method long-distance soil taking and transporting equipment further comprises a belt tightening device and a clay scraping prevention wheel; the belt tightening device is sleeved on the conveying belt, and the clay-preventing scraping wheel is arranged on the lower portion of the base and close to the lower portion of the conveying belt and the belt tightening device. When glutinous dregs on the conveyer belt rotate to antiseized soil scraping wheel position along with the conveyer belt, antiseized soil scraping wheel can scrape off dregs, prevents that dregs from glutinous on the conveyer belt for a long time, influences the conveying efficiency of dregs. The belt tightening device plays a role in tightening the conveying belt, and after the conveying belt is tightened, the conveying belt close to the position of the clay scraping wheel is more straight, so that the clay scraping wheel is more favorably prevented from removing dregs on the conveying belt.
Further, among the reverse construction method long distance borrowing and carrying soil integration equipment, specifically, the soil collecting digging machine head includes the device that gathers materials, the discharge gate of the device that gathers materials sets up in the upper portion of first portable belt conveyor unit.
Further, among the reverse construction method long distance borrowing and carrying native integration equipment, it is concrete still including laying the dregs car behind the movable belt conveyer unit of end platform.
The invention also provides a construction method of the reverse construction method long-distance soil taking and transporting integrated equipment, and the technical scheme comprises the following steps:
s1, the soil collecting digging machine head digs underground below the hoisting hole of the top-down construction method to make the underground earthwork of the floor slab, and the earthwork is gradually pushed along with the digging of the dregs;
s2, when enough space exists at the rear part of the soil collecting digging machine head, the movable belt conveyor units are put down one by one and are sequentially connected to the rear part of the soil collecting digging machine head;
s3, adjusting the heights of the end part and the tail part of the movable belt conveyor unit to ensure that the tail part of the front movable belt conveyor unit is arranged above the end part of the rear movable belt conveyor unit;
s4, conveying the muck to the movable belt conveyor unit through the soil collecting digging machine head, and conveying the muck to the reverse method hoisting hole opening through the movable belt conveyor unit in a relaying manner;
s5, excavating the dregs on the next floor by the soil collecting digging machine head;
and S6, repeating S2 to S5 until all underground floors are excavated.
According to the construction method of the reverse construction method long-distance soil taking and transporting integrated equipment, the soil collecting digging machine head is used for taking soil in the front, the muck is scraped to the conveying belt of the movable belt conveyor unit, the conveying belt conveys the muck to the rear outlet, and the muck vehicle is waited to be cleared and transported, so that the soil excavation and transportation are realized. The number of the movable belt conveyor units is increased along with the increase of the excavation depth and the distance of the muck, so that the purpose of long-distance transportation of the muck is realized.
Further, in the construction method of the integrated reverse-construction-method long-distance soil taking and transporting equipment, in S5, the initial excavation position is a permanent reserved opening for each floor slab. The permanent reserved opening of the floor slab can be an elevator well opening, an upper channel opening and a lower channel opening of a garage and the like. The permanent reserved opening of the floor slab is utilized for soil taking, so that the construction steps of soil taking construction can be simplified, the integrity of the floor slab is prevented from being damaged, the purpose of vertical soil carrying can be achieved by carrying soil across floors, and the soil taking efficiency is greatly improved.
Further, in the construction method of the integrated equipment for long-distance soil taking and soil transporting by the reverse construction method, in particular, S1 further includes that a reverse construction floor slab is constructed firstly.
Drawings
FIG. 1 is a schematic structural diagram of a topdown long-distance soil taking and transporting integrated equipment of the invention;
fig. 2 is a schematic diagram of a construction method of the topdown long-distance soil taking and transporting integrated equipment.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example 1:
referring to fig. 1, a technical solution of the reverse-operation long-distance soil taking and transporting integrated equipment in this embodiment is as follows:
a topdown construction method long-distance soil taking and carrying integrated equipment comprises a soil collecting and digging machine head 1 and one or more movable belt conveyor units 2 which are sequentially connected to the rear part of the soil collecting and digging machine head 1; the movable belt conveyor unit 2 comprises a conveyor belt 21, a transmission device 22, an adjustable bracket 23 and a base 24, wherein the transmission device 22 is arranged at two ends of the conveyor belt 21 and used for driving the conveyor belt 21, the conveyor belt 21 is arranged on the base 24, and the adjustable bracket 23 is arranged at the lower part of the base 24; the tail part of the front movable belt conveyor unit 2 is arranged above the end part of the back movable belt conveyor unit 2, and the first movable belt conveyor unit 2 is arranged close to the soil collecting digging machine head 1.
The integrated equipment for long-distance soil taking and transporting by the reverse construction method of the embodiment collects soil to take soil from the front of the soil digging machine head 1, takes the muck to the conveyor belt 21 of the movable belt conveyor unit 2, conveys the muck to the rear outlet by the conveyor belt 21, waits for the muck truck 3 to clear and transport, and realizes earthwork excavation and transportation. The number of the movable belt conveyor units 2 is increased with the increase of the excavation depth and distance of the muck to achieve the purpose of long-distance transportation of the muck.
In a preferred embodiment, the reverse-construction long-distance soil taking and transporting integrated equipment further comprises a belt tightening device 25 and an anti-clay scraping wheel 26; the belt tightening device 25 is sleeved on the conveyor belt 21, and the clay scraping prevention wheel 26 is arranged on the lower portion of the base 24 and close to the lower portion of the conveyor belt 21 and the belt tightening device 25. When gluing the dregs on conveyer belt 21 and rotating to antiseized soil scraping wheel 26 position along with conveyer belt 21, prevent that clay scraping wheel 26 can scrape off the dregs, prevent that the dregs from gluing on conveyer belt 21 for a long time, influence the conveying efficiency of dregs. The belt tightening device 25 plays a role in tightening the conveyor belt 21, and after the conveyor belt 21 is tightened, the conveyor belt 21 near the clay scraping prevention wheel 26 becomes straighter, which is more beneficial for the clay scraping prevention wheel 26 to remove dregs on the conveyor belt 21.
In the integrated reverse-construction-method long-distance soil taking and transporting equipment, in particular, the soil collecting and digging machine head 1 comprises a material collecting device 11, and a discharge port of the material collecting device 11 is arranged at the upper part of the first movable belt conveyor unit 2.
In a preferred embodiment, the integrated reverse-construction long-distance soil taking and transporting equipment further comprises a muck truck 3 arranged behind the tail platform movable belt conveyor unit 2.
Example 2:
the embodiment provides a construction method of the integrated topdown long-distance soil taking and transporting equipment in embodiment 1, and the technical scheme includes the following steps:
s1, the soil collecting digging machine head 1 digs underground earthwork of the inverted floor b from the lower part of the lifting hole a of the inverted method, and the underground earthwork is gradually pushed along with the digging of the dregs;
s2, when enough space exists at the rear part of the soil collecting digging machine head 1, the movable belt conveyor units 2 are put down one by one and are sequentially connected to the rear part of the soil collecting digging machine head 1;
s3, adjusting the heights of the end part and the tail part of the movable belt conveyor unit 2 to ensure that the tail part of the front movable belt conveyor unit 2 is arranged above the end part of the rear movable belt conveyor unit 2;
s4, conveying the muck to the movable belt conveyor unit 2 through the muck collecting digging machine head 1, and conveying the muck to the hoisting hole a of the reverse construction method through the movable belt conveyor unit 2 in a relay manner;
s5, excavating the dregs on the next floor by the soil collecting digging machine head 1;
and S6, repeating S2 to S5 until all underground floors are excavated.
According to the construction method of the integrated equipment for long-distance soil taking and transporting by the reverse construction method, the soil collecting digging machine head 1 takes soil in the front, soil residues are scraped to the conveyor belt 21 of the movable belt conveyor unit 2, the conveyor belt 21 conveys the soil residues to the rear outlet, and the soil residues are waited to be cleared by the soil residue vehicle 3, so that the soil excavation and transportation are realized. The number of the movable belt conveyor units 2 is increased with the increase of the excavation depth and distance of the muck to achieve the purpose of long-distance transportation of the muck.
In a preferred embodiment, in the construction method of the integrated reverse long-distance soil taking and transporting equipment, in S5, the initial excavation position is a permanent reserved opening for each floor. The permanent reserved opening of the floor slab can be an elevator well opening, an upper channel opening and a lower channel opening of a garage and the like. The permanent reserved opening of the floor slab is utilized for soil taking, so that the construction steps of soil taking construction can be simplified, the integrity of the floor slab is prevented from being damaged, the purpose of vertical soil carrying can be achieved by carrying soil across floors, and the soil taking efficiency is greatly improved.
In a preferred embodiment, in the method for constructing the integrated equipment for long-distance earth taking and earth moving by the reverse construction method, S1 further includes first constructing the reverse construction floor b.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (7)
1. The integrated equipment for long-distance soil taking and soil transporting by the reverse construction method is characterized by comprising a soil collecting and digging machine head (1) and one or more movable belt conveyor units (2) which are sequentially connected to the rear part of the soil collecting and digging machine head (1);
the movable belt conveyor unit (2) comprises a conveyor belt (21), a transmission device (22), an adjustable support (23) and a base (24), wherein the transmission device (22) is arranged at two ends of the conveyor belt (21) and used for driving the conveyor belt (21), the conveyor belt (21) is arranged on the base (24), and the adjustable support (23) is arranged at the lower part of the base (24);
the tail part of the front movable belt conveyor unit (2) is arranged above the end part of the back movable belt conveyor unit (2), and the first movable belt conveyor unit (2) is arranged close to the soil collecting digging machine head (1).
2. The integrated topdown long-distance earth taking and transporting equipment as claimed in claim 1, further comprising a belt tightening device (25) and an anti-clay scraping wheel (26);
the belt tightening device (25) is sleeved on the conveyor belt (21), and the clay-preventing scraping wheel (26) is arranged on the lower portion of the base (24) and close to the lower portion of the conveyor belt (21) and the belt tightening device (25).
3. The integrated equipment for long-distance soil taking and transporting by reverse construction method according to claim 1, wherein the soil collecting and digging machine head (1) comprises a material collecting device (11), and a discharge port of the material collecting device (11) is arranged at the upper part of the first movable belt conveyor unit (2).
4. The integrated topdown long-reach earth-taking and earth-moving equipment of claim 1, further comprising a muck truck (3) disposed behind the final movable belt conveyor unit (2).
5. The construction method of the reverse-construction-method long-distance soil taking and transporting integrated equipment as claimed in claim 1, characterized by comprising the following steps:
s1, the soil collecting digging machine head (1) is used for lifting underground excavation and top-down construction of a floor slab (b) from the lower part of the opening (a) of the hole by a top-down construction method, and is gradually pushed along with the excavation of the dregs;
s2, when enough space exists at the rear part of the soil collecting and digging machine head (1), the movable belt conveyor units (2) are put down one by one and are sequentially connected to the rear part of the soil collecting and digging machine head (1);
s3, adjusting the heights of the end part and the tail part of the movable belt conveyor unit (2) to ensure that the tail part of the front movable belt conveyor unit (2) is arranged above the end part of the back movable belt conveyor unit (2);
s4, conveying the muck to a movable belt conveyor unit (2) through a muck collecting and digging machine head (1), and conveying the muck to a hoisting hole (a) by a reverse construction method through the movable belt conveyor unit (2) in a relay manner;
s5, excavating the dregs on the next floor by the soil collecting digging machine head (1);
and S6, repeating S2 to S5 until all underground floors are excavated.
6. The method of constructing an integrated facility for long-distance soil sampling and soil transporting by reverse construction method according to claim 4, wherein in S5, the initial excavation position is a permanent reserved opening for each floor.
7. The method of claim 4, wherein step S1 further comprises constructing the inverted floor (b) first.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130233.5A CN112281939A (en) | 2020-10-21 | 2020-10-21 | Reverse construction method long-distance soil taking and carrying integrated equipment and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011130233.5A CN112281939A (en) | 2020-10-21 | 2020-10-21 | Reverse construction method long-distance soil taking and carrying integrated equipment and construction method |
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| CN112281939A true CN112281939A (en) | 2021-01-29 |
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Application publication date: 20210129 |
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