CN220563477U - Deep foundation pit excavation earthwork conveyer - Google Patents
Deep foundation pit excavation earthwork conveyer Download PDFInfo
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- CN220563477U CN220563477U CN202322247440.4U CN202322247440U CN220563477U CN 220563477 U CN220563477 U CN 220563477U CN 202322247440 U CN202322247440 U CN 202322247440U CN 220563477 U CN220563477 U CN 220563477U
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 42
- 239000002689 soil Substances 0.000 claims abstract description 22
- 230000011218 segmentation Effects 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000018109 developmental process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a deep foundation pit excavation earthwork transportation device, which comprises a support truss and a conveyor belt, wherein the support truss is obliquely arranged in a foundation pit and takes a support column as a erection foundation, the soil outlet end of the support truss is erected above a support pile through support legs, and the soil inlet end of the support truss is positioned at the current foundation pit excavation surface; the conveyer belt fixed mounting is in support truss top, and its soil end department of advancing installs the feeder hopper, and support truss and conveyer belt are segmentation extension structure, and each segmentation extension point is located each layer foundation ditch excavation face department respectively, and all is provided with the support column near the segmentation extension point of support truss. The utility model has reasonable structure and ingenious design, realizes the transportation of the earthwork excavated by the foundation pit by matching the supporting truss with the conveyor belt, and can extend the conveyor belt according to the construction progress so as to ensure that the soil inlet end of the conveyor belt is always positioned at the elevation position of each excavated surface, thereby reducing the time and resource investment of repeated dumping of the earthwork excavation, improving the construction efficiency, ensuring the safety and having little influence on the surrounding environment.
Description
Technical Field
The utility model relates to the technical field of foundation pit excavation, in particular to a deep foundation pit excavation earthwork transportation device.
Background
At present, along with the improvement of building function demands, the reasonable development and utilization of underground space are urban sustainable development demands, foundation pit designs are deeper and deeper, deep foundation pits often need to be excavated in earthwork, deep foundation pits with inner supports and small fields are arranged, the deep foundation pits cannot be excavated, trestle platforms are arranged on the inner supports in a conventional manner, soil is excavated to the platforms by using a long-arm excavator, and dregs vehicles are loaded and transported outside on the platforms. However, the conventional practice has the following problems: (1) The earth excavation needs to be excavated to the trestle platform, and the trestle platform is reloaded for outward transportation, so that the mechanical investment is large, and the resource waste is caused. (2) The landing stage platform has limited field, limited soil storage and soil output, low construction efficiency and delays the engineering progress. (3) The construction and the dismantling of the trestle platform consume a great deal of manpower and materials, and the construction cost is increased. (4) Loading is carried out on the trestle platform, and after the loading of the soil and the vehicle is overloaded, the loading of the internal support is greatly influenced, so that the foundation pit is greatly hidden in safety.
Disclosure of Invention
The utility model aims to provide a deep foundation pit excavation earthwork transportation device which aims to solve the technical problems in the background technology.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the deep foundation pit excavation earthwork transportation device comprises a support truss and a conveyor belt, wherein the support truss is obliquely arranged in a foundation pit and takes a support column as a erection foundation, the soil outlet end of the support truss is erected above a support pile through support legs, and the soil inlet end of the support truss is positioned at the current foundation pit excavation surface;
the conveyer belt fixed mounting is in supporting truss top, and its soil end department of advancing installs the feeder hopper, and supporting truss and conveyer belt are segmentation extension structure, and the segmentation extension point of two corresponds the setting, and each segmentation extension point is located each layer foundation ditch excavation face department respectively, and all is provided with the support column near the segmentation extension point of supporting truss.
Preferably, the support trusses on both sides of the segment extension point are positioned on the same inclined plane, and the conveyor belts on both sides of the segment extension point are also positioned on the same inclined plane.
Preferably, the support column adopts the structural style of bored pile and lattice column, bored pile sets up in the support column bottom, and its top surface is not higher than foundation ditch excavation completion face elevation, and its pile length satisfies the bearing capacity demand, the lattice column sets up in the support column top, and certain length in the bored pile is buried into to lattice column bottom.
Preferably, the support columns are arranged in pairs, two support columns arranged in pairs are respectively arranged on two sides of the support truss, the top parts of the two support columns arranged in pairs are fixedly provided with a cross beam for installing the support truss, and the two support columns arranged in pairs are reinforced by a tie stay bar distributed in a Z shape.
Preferably, a reamer is arranged in the feed hopper.
Preferably, the inner side of the supporting pile below the soil outlet end of the conveyor belt is provided with a trestle platform, the trestle platform is erected on the supporting beam in the foundation pit, one end of the trestle platform is fixedly connected with the supporting pile, the other end of the trestle platform takes the supporting column as a erecting foundation, and the top surface of the trestle platform is flush with the top surface of the crown beam at the top of the supporting pile.
Preferably, the support column adopts the structural style of bored pile and lattice column, bored pile sets up in the support column bottom, and its top surface is not higher than foundation ditch excavation completion face elevation, and its pile length satisfies the bearing capacity demand, the lattice column sets up in the support column top, and certain length in the bored pile is buried into to lattice column bottom.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has reasonable structure and ingenious design, realizes the transportation of the earthwork excavated by the foundation pit by matching the supporting truss with the conveyor belt, can extend the conveyor belt according to the construction progress to ensure that the soil inlet end of the conveyor belt is always positioned at the elevation position of each excavated surface, and meanwhile, the supporting truss takes the form of a bored pile and a lattice column as a erection foundation, thereby ensuring the stable erection of the conveyor belt, and rapidly dismantling the lattice column after the foundation pit is excavated so as not to influence the construction of a subsequent main structure.
Drawings
The foregoing and/or other aspects and advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:
FIG. 1 is a plan view of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic view of a combined structure of a conveyor belt and a support truss according to the present utility model;
fig. 4 is a schematic structural view of a support column according to the present utility model.
Reference numerals: 1. a support truss; 2. a conveyor belt; 3. a support column; 301. drilling a filling pile; 302. lattice columns; 4. a feed hopper; 5. reamer; 6. support legs; 7. drawknot stay bar; 8. supporting piles; 9. a waterproof curtain; 10. a trestle platform; 11. digging a foundation pit; 12. a supporting beam in the foundation pit; 13. and a cross beam.
Detailed Description
Hereinafter, an embodiment of a deep foundation pit excavation earthmoving apparatus of the present utility model will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.
In the description of the present utility model, it should be noted that the terms "front", "rear", "left", "right", "top", "bottom", "upper", "lower", "inner", "outer", "transverse", "longitudinal", "vertical", "oblique", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model. The preferred embodiment of the present utility model is described in further detail below in conjunction with fig. 1-4:
as shown in fig. 1-3, the preferred deep foundation pit excavation earthwork transportation device comprises a support truss 1 and a conveyor belt 2, wherein the support truss 1 is obliquely arranged in a foundation pit and takes a support column 3 as a setting foundation, the soil outlet end of the support truss is set up above a support pile 8 on the inner side of a waterproof curtain 9 through a support leg 6, and the soil inlet end of the support truss is positioned at the current foundation pit excavation surface 11;
the conveying belt 2 is fixedly arranged above the support truss 1, the feeding hopper 4 is arranged at the soil inlet end of the conveying belt 2, the support truss 1 and the conveying belt 2 are of a segmented lengthening structure, segmented lengthening points of the support truss 1 and the conveying belt are correspondingly arranged, each segmented lengthening point is respectively positioned at each layer of foundation pit excavation surface 11, support columns 3 are arranged near the segmented lengthening point of the support truss 1, and considering layered excavation in the foundation pit excavation process, the support columns 3 are arranged at the segmented lengthening points to ensure that support points are arranged at the lengthening points of the support truss 1, so that the structure stability of the support truss 1 is ensured, and naturally, the lengthening of the support truss 1 at the foundation pit excavation surface 11 can also provide a natural operation surface for constructors, so that the installation operation of the support truss 1 and the conveying belt 2 is more convenient, efficient and safe;
the inner side of the supporting pile 8 below the soil outlet end of the conveyor belt 2 is provided with a trestle platform 10, the trestle platform 10 is erected on a supporting beam 12 in a foundation pit, one end of the trestle platform 10 is fixedly connected with the supporting pile 8, the other end of the trestle platform takes the supporting column 3 as a erection foundation, the top surface of the trestle platform 10 is level with the top surface of the crown beam at the top of the supporting pile 8, the trestle platform 10 can provide a walking platform for a muck truck, and the muck truck is ensured to have enough working surface;
in order to ensure that earthwork can be stably transported on the conveyor belt 2, a reamer 5 is arranged in the feed hopper 4, the reamer 5 can cut up large earthwork, the risk that the large earthwork rolls off from the conveyor belt 2 is prevented, meanwhile, the supporting trusses 1 on two sides of the segmented lengthening point are positioned on the same inclined plane, the conveyor belt 2 on two sides of the segmented lengthening point is also positioned on the same inclined plane, when the earthwork is lengthened, the conveyor belt 2 is required to be disconnected and lengthened (such as by adopting a hot melting mode), the conveyor belt 2 is re-connected into a ring after the lengthening is finished, and the position of a bottom driving roller is required to be synchronously moved during the lengthening, and the high-low drop of the conveyor belt 2 can be avoided by adopting a flush and continuous mode, so that the conveying of the earthwork on the conveyor belt 2 is more stable;
as shown in fig. 4, the support column 3 adopts a structure form of a bored pile 301 and a lattice column 302, the bored pile 301 is disposed at the bottom of the support column 3, the top surface of the bored pile is not higher than the elevation of the excavation completion surface of the foundation pit, and the pile length thereof meets the requirement of bearing capacity, the lattice column 302 is disposed at the top of the support column 3, and the bottom of the lattice column 302 is embedded into the bored pile 301 for a certain length, the bored pile 301 can provide a stable rooting point for the lattice column 302, thereby ensuring the stable erection of the support truss 1, and the lattice column 302 is gradually exposed along with the excavation progress of the foundation pit, so that the lattice column 302 is rapidly removed after the excavation of the foundation pit is completed, so as not to affect the construction of the subsequent main structure;
considering that the suspended height of the support truss 1 at a part of the inner position of the deep foundation pit is higher, in order to ensure structural safety, the support columns 3 below the support truss 1 are arranged in pairs, two support columns 3 arranged in pairs are respectively arranged at two sides of the support truss 1, the top parts of the two support columns 3 arranged in pairs are fixedly provided with a cross beam 13 for installing the support truss 1, and the two support columns 3 arranged in pairs are reinforced by the tie brace 7 distributed in a Z shape, wherein diagonal rods in the Z-shaped tie brace 7 can be distributed according to a zigzag shape so as to further improve the reinforcing effect, of course, the number of the support columns 3 arranged below the support truss 1 with higher suspended height can be properly increased according to design requirements, for example, four support columns 3 are arranged in a rectangular end point mode, and the Z-shaped tie brace 7 can be additionally arranged between the longitudinally adjacent support columns 3 so that each support column 3 arranged adjacently forms a stressed whole.
Taking a certain deep foundation pit excavation project as an example, when a slope cannot be laid according to the earthwork excavation progress, arranging a soil discharging conveyor belt 2, arranging a support truss 1 below the conveyor belt 2, adopting a structural form of lattice columns 302 and bored piles 301 as a foundation of the support truss 1, arranging support columns 3 at different earthwork excavation depths and stress positions of the support truss 1 according to the length of the conveyor belt 2, arranging two support columns 3 along a transverse section at each position, arranging a pile center distance of the support columns 3 to be 1.6m, welding lattice columns 302 by using angle steel with L180 x 18mm and angle steel with L400 x 300 x 12mm as a plate, the vertical L180X 18 angle steel that carries out Z shape between two lattice posts 302 is connected and is ensured its stability, conveyer belt bottom support truss 1 wide 1.6m, truss bottom chord member adopts 12# channel steel to weld and forms, upper chord member adopts L63 6mm angle steel to weld and forms, adopt L50 6mm angle steel to connect as the web member between the upper chord member and the lower chord member, fix support truss 1 on lattice post 302, the conveyer belt 2 dress is on support truss 1, set up the roller bearing below the conveyer belt 2, the foundation ditch excavation face 11 department at foundation ditch bottom sets up feeder hopper 4, be equipped with reamer 5 in the feeder hopper 4 and can fall into on the conveyer belt 2 after cutting up the massive earthwork, and directly load outward transport on the construction road outside the foundation ditch with the earthwork after cutting up. The seamless steel pipe with the diameter of 200mm is used as supporting leg 6 below the falling soil opening of the conveying belt 2 on the upper portion of the foundation pit, the upper end of the steel pipe is welded with the supporting truss 1, the lower end of the steel pipe is welded with the buried plate and is anchored on the supporting pile 8 by using expansion bolts, the conveying belt 2 can be installed in a segmented mode according to the position of the foundation of the conveying belt 2, and the conveying belt 2 is lengthened along with the deepening of the earthwork excavation depth so as to meet the earthwork excavation requirements of different depths.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a deep basal pit excavation earthwork conveyer which characterized in that: the foundation pit excavation device comprises a support truss (1) and a conveyor belt (2), wherein the support truss (1) is obliquely arranged in a foundation pit and takes a support column (3) as a building foundation, the soil outlet end of the support truss is built above a support pile (8) through support legs (6), and the soil inlet end of the support truss is positioned at the current foundation pit excavation surface (11);
the conveyer belt (2) fixed mounting is in supporting truss (1) top, and its soil end department of advancing installs feeder hopper (4), and supporting truss (1) and conveyer belt (2) are segmentation extension structure, and the segmentation extension point of two corresponds the setting, and each segmentation extension point is located each layer foundation ditch excavation face (11) department respectively, and all is provided with support column (3) near the segmentation extension point of supporting truss (1).
2. The deep foundation pit excavation earth transport apparatus of claim 1, wherein: the supporting trusses (1) on two sides of the sectional extension point are positioned on the same inclined plane, and the conveyor belts (2) on two sides of the sectional extension point are also positioned on the same inclined plane.
3. The deep foundation pit excavation earth transport apparatus of claim 1, wherein: the support column (3) adopts the structural style of bored pile (301) plus lattice column (302), bored pile (301) sets up in support column (3) bottom, and its top surface is not higher than foundation ditch excavation completion face elevation, and its pile length satisfies the bearing capacity demand, lattice column (302) sets up in support column (3) top, and certain length in lattice column (302) bottom buries bored pile (301).
4. A deep foundation pit excavated earth transport device according to claim 3, wherein: the support columns (3) are arranged in pairs, two support columns (3) arranged in pairs are respectively arranged on two sides of the support truss (1), a cross beam (13) for installing the support truss (1) is fixed at the tops of the two support columns (3) arranged in pairs, and the two support columns (3) arranged in pairs are reinforced through tie stay bars (7) distributed in a Z shape.
5. The deep foundation pit excavation earth transport apparatus of claim 1, wherein: a reamer (5) is arranged in the feed hopper (4).
6. The deep foundation pit excavation earth transport apparatus of claim 1, wherein: the inner side of a supporting pile (8) below the unearthed end of the conveyor belt (2) is provided with a trestle platform (10), the trestle platform (10) is erected on a supporting beam (12) in a foundation pit, one end of the trestle platform is fixedly connected with the supporting pile (8), the other end of the trestle platform is erected on a foundation by taking a supporting column (3), and the top surface of the trestle platform (10) is flush with the top surface of a crown beam at the top of the supporting pile (8).
7. The deep foundation pit excavation earth transport apparatus of claim 6, wherein: the support column (3) adopts the structural style of bored pile (301) plus lattice column (302), bored pile (301) sets up in support column (3) bottom, and its top surface is not higher than foundation ditch excavation completion face elevation, and its pile length satisfies the bearing capacity demand, lattice column (302) sets up in support column (3) top, and certain length in lattice column (302) bottom buries bored pile (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322247440.4U CN220563477U (en) | 2023-08-21 | 2023-08-21 | Deep foundation pit excavation earthwork conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322247440.4U CN220563477U (en) | 2023-08-21 | 2023-08-21 | Deep foundation pit excavation earthwork conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220563477U true CN220563477U (en) | 2024-03-08 |
Family
ID=90088548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322247440.4U Active CN220563477U (en) | 2023-08-21 | 2023-08-21 | Deep foundation pit excavation earthwork conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220563477U (en) |
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2023
- 2023-08-21 CN CN202322247440.4U patent/CN220563477U/en active Active
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