CN211037035U - Install elevator steel construction pit additional - Google Patents
Install elevator steel construction pit additional Download PDFInfo
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- CN211037035U CN211037035U CN201920725441.6U CN201920725441U CN211037035U CN 211037035 U CN211037035 U CN 211037035U CN 201920725441 U CN201920725441 U CN 201920725441U CN 211037035 U CN211037035 U CN 211037035U
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Abstract
The utility model discloses an additionally installed elevator steel structure pit, which is characterized by comprising a construction foundation, a plurality of foundation piles, a gravel layer, a reinforcing steel layer, a steel structure frame, a first concrete layer, a second concrete layer and a filling soil layer, wherein the construction foundation is provided with a civil foundation pit which is positioned on the construction foundation, the foundation piles are embedded into the construction foundation, at least part of the gravel layer is arranged below the civil foundation pit, the gravel layer is laid at the bottom of the civil foundation pit, the reinforcing steel layer is laid above the gravel layer, the steel structure frame is welded with the steel bar layer and located in the civil foundation pit, the steel structure frame comprises an outer frame body and an inner frame body, the inner frame body is located inside the outer frame body, the first concrete layer is filled between the outer frame body and the inner frame body, the second concrete layer is poured on the steel bar layer, and the filling soil layer is filled between the civil foundation pit and the outer frame body. Install elevator steel construction pit efficiency of construction additional high, engineering time weak point.
Description
Technical Field
The utility model relates to a technical field of elevator pit construction especially relates to an install elevator steel construction pit additional.
Background
At present, after the positions of old buildings in the market are selected, earthwork is excavated, and after the earthwork reaches a certain depth, piling or directly pouring a reinforced concrete pit is determined according to geological conditions. This just needs to pour concrete bottom plate earlier, and the carpenter does the template, then pours the pit wallboard again, causes the efficiency of construction low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an install elevator steel construction pit additional, it is low to aim at solving old building in the prior art and install elevator pit additional efficiency of construction, the technical problem of engineering time overlength.
In order to achieve the above object, the present invention provides an additional elevator steel structure pit, comprising a construction foundation, foundation piles, a gravel layer, a reinforcement layer, a steel structure frame, a first concrete layer, a second concrete layer and a filling soil layer, wherein the construction foundation is provided with a civil foundation pit, the civil foundation pit is arranged on the construction foundation, the foundation piles are arranged in a plurality of numbers, the foundation piles are embedded into the construction foundation and are at least partially arranged below the civil foundation pit, the gravel layer is laid at the bottom of the civil foundation pit, the reinforcement layer is laid above the gravel layer and is arranged in the civil foundation pit, the steel structure frame is welded with the reinforcement layer and is arranged in the civil foundation pit, the steel structure frame comprises an outer frame body and an inner frame body, the inner frame body is arranged inside the outer frame body, the first concrete layer is filled between the outer frame body and the inner frame body, the second concrete layer is poured on the reinforcing steel layer, and the filling soil layer is filled between the civil engineering bottom pit and the outer frame body.
Wherein, the thickness of rubble layer is 150 mm.
Wherein, the reinforcing bar layer comprises two layers of reinforcing bar rings arranged in sequence.
The outer frame body is provided with a first concave-convex surface, the first concave-convex surface is positioned on the inner peripheral side of the outer frame body, the inner frame body is provided with a second concave-convex surface, and the second concave-convex surface is positioned on the outer peripheral side of the inner frame body.
The steel structure frame further comprises an embedded part, and the embedded part is abutted between the outer frame body and the inner frame body.
And the base angle of the outer frame body is fixedly connected with the corresponding base angle of the inner frame body through the embedded part.
The additionally installed elevator steel knot pit further comprises a hanging ring, and the hanging ring is fixedly connected with the outer frame body and located on the periphery side of the outer frame body.
The utility model discloses an install elevator steel construction pit additional, the civil engineering pit is excavated according to elevator construction requirement by constructor at the job site, wait that after the civil engineering pit is excavated, according to geological exploration data and suggestion, confirm the kind and the quantity of foundation pile, and squeeze into the foundation pile from the bottom of civil engineering pit, make foundation pile at least part embedding the construction ground, after the pile is accomplished, lay the metalling of constituteing by a plurality of rubbles in the bottom of civil engineering pit, make the levelness of civil engineering pit reach the construction requirement, lay reinforcing bar or reinforcing bar circle on the metalling, form the reinforcing bar layer, after the reinforcing bar layer forms, with the steel structure frame is placed in the civil engineering pit, make the horizontal error of steel structure frame top surface within thousandth, constructor will the outer framework with the inner frame body welds on the reinforcing bar layer, after welding is finished, concrete is poured into the reinforcing steel layer and the space between the outer frame and the inner frame through the two pump pipes respectively, the reinforcing steel layer is completely covered by the concrete to form a second concrete layer, the space between the outer frame and the inner frame is filled with the concrete to form a first concrete layer, the concrete of the first concrete layer and the concrete of the second concrete layer are mixed at the bottom of the steel structure frame, after the concrete absorbs sweat, the steel structure frame and the second concrete layer are tightly connected together, the connection strength of the steel structure frame can be fully guaranteed through welding and concrete pouring, and finally the excavated earthwork is filled between the outer frame and the foundation pit of the concrete building. The utility model discloses an install elevator steel construction pit additional compares with prior art, simple structure, the installation of being convenient for, and occupation space is little, steel structure frame can be in workshop batch production, transports the scene and installs, and construction cycle is short, the efficiency of construction is high, is applicable to and carries out standardized production on installing the elevator additional in various old buildings, has solved current install elevator steel construction pit additional construction cycle long, the technical problem that the efficiency of construction is low.
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, 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 the utility model discloses install the structure schematic diagram of elevator steel construction pit additional.
Fig. 2 is a schematic structural diagram of the steel frame of the present invention.
Fig. 3 is a schematic structural diagram of the embedded part of the present invention.
Fig. 4 is a schematic structural view of the steel frame of the present invention.
100-additionally installing an elevator steel structure bottom pit, 10-a construction foundation, 20-a foundation pile, 30-a gravel layer, 40-a reinforcing steel layer, 50-a steel structure frame, 60-a first concrete layer, 70-a second concrete layer, 80-a filling soil layer, 11-a civil construction bottom pit, 51-an outer frame body, 52-an inner frame body, 511-a first concave-convex surface, 522-a second concave-convex surface, 53-an embedded part and 90-a hanging ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, the present invention provides an elevator steel structure pit 100, including a construction foundation 10, foundation piles 20, a gravel layer 30, a reinforcement layer 40, a steel structure frame 50, a first concrete layer 60, a second concrete layer 70 and a filling soil layer 80, wherein the construction foundation 10 has a civil foundation pit 11, the civil foundation pit 11 is located on the construction foundation 10, the foundation piles 20 are plural in number, the foundation piles 20 are embedded in the construction foundation 10 and at least partially located below the civil foundation pit 11, the gravel layer 30 is laid at the bottom of the civil foundation pit 11, the reinforcement layer 40 is laid above the gravel layer 30 and located in the civil foundation pit 11, the steel structure frame 50 is welded to the reinforcement layer 40 and located in the civil foundation pit 11, the steel structure frame 50 includes an outer frame body 51 and an inner frame body 52, the inner frame body 52 is positioned inside the outer frame body 51, the first concrete layer 60 is filled between the outer frame body 51 and the inner frame body 52, the second concrete layer 70 covers the reinforcement layer 40, and the filling soil layer 80 is filled between the civil foundation pit 11 and the outer frame body 51.
In this embodiment, the civil foundation pit 11 is excavated by a constructor at a construction site according to an elevator construction requirement, after the civil foundation pit 11 is excavated, the type and number of the foundation piles 20 are determined according to geological exploration data and suggestions, the foundation piles 20 are driven from the bottom of the civil foundation pit 11 so that the foundation piles 20 are at least partially embedded in the construction foundation 10, after the driving is completed, the gravel layer 30 composed of a plurality of crushed stones is laid on the bottom of the civil foundation pit 11 so that the levelness of the civil foundation pit 11 meets the construction requirement, reinforcing bars or reinforcing rings are laid on the gravel layer 30 to form the reinforcing bar layer 40, after the reinforcing bar layer 40 is formed, the steel structure frame 50 is placed in the civil foundation pit 11 so that the horizontal error of the top surface of the steel structure frame 50 is within one thousandth, the constructor welds the outer frame 51 and the inner frame 52 to the reinforcing bar layer 40, after welding is finished, concrete is poured into the space between the reinforcing steel layer 40 and the outer frame body 51 and the inner frame body 52 through two pump pipes, the reinforcing steel layer 40 is completely covered by the concrete to form a second concrete layer 70, the space between the outer frame body 51 and the inner frame body 52 is filled with the concrete to form a first concrete layer 60, the concrete of the first concrete layer 60 and the concrete of the second concrete layer 70 are mixed at the bottom of the steel structure frame 50, after the concrete absorbs sweat, the steel structure frame 50 and the second concrete layer 70 are tightly connected together, the connection strength of the steel structure frame 50 can be fully ensured through welding and concrete pouring, and finally, the excavated earthwork is filled between the outer frame body 51 and the soil construction pit 11. The utility model discloses an install elevator steel construction pit 100 additional compares with prior art, simple structure, the installation of being convenient for, and occupation space is little, steel structure frame 50 can be in workshop batch production, installs transporting to the scene, and construction cycle is short, the efficiency of construction is high, is applicable to and carries out standardized production on various old buildings install the elevator additional. Preferably, the inner frame body 52 is continuously welded to the steel bars or steel bar rings in the steel bar layer 40 on the double sides, and the outer frame body 51 is welded to the steel bars or steel bar rings on the steel bar layer 40 on the single side in a connecting manner, so that the water seepage prevention performance of the additionally-installed elevator steel structure pit 100 can be improved.
Further, the thickness of the crushed stone layer 30 is 150 mm.
In this embodiment, when the crushed stone constituting the crushed stone layer 30 has a size of 25 to 30mm and the thickness of the crushed stone layer 30 is 150mm, the levelness of the crushed stone layer 30 can be sufficiently ensured, the subsidence is small when the steel bar layer 40 is laid and the steel structure frame 50 is installed, and it is advantageous to improve the water seepage prevention performance of the crushed stone layer 30.
Further, the reinforcing steel bar layer 40 is composed of two reinforcing steel bar rings arranged in sequence.
In this embodiment, the second concrete layer 70 is poured on the reinforcement layer 40 to form the bottom plate of the steel structural frame 50, the reinforcement layer 40 serves as a framework of the bottom plate, so as to increase the strength of the bottom plate, and the reinforcement layer 40 is composed of two layers of reinforcement rings arranged in sequence, so as to further increase the strength of the bottom plate and prevent the bottom plate from collapsing.
Further, the outer frame 51 has a first concave-convex surface 511, the first concave-convex surface 511 is located on the inner circumferential side of the outer frame 51, the inner frame 52 has a second concave-convex surface 522, and the second concave-convex surface 522 is located on the outer circumferential side of the inner frame 52.
In the present embodiment, the outer frame 51 has the first concave-convex surface 511, the inner frame 52 has the second concave-convex surface 522, and the friction coefficient between the surface of the outer frame 51 and the surface of the inner frame 52 and the first concrete layer 60 can be increased, so that the tangential stress between the surface of the outer frame 51 and the surface of the inner frame 52 and the first concrete layer 60 can be increased, and the displacement of the outer frame 51 and the inner frame 52 relative to the first concrete layer 60 can be avoided, and the degree of concave-convex of the first concave-convex surface 511 and the second concave-convex surface 522 is preferably 4mm to 6 mm.
Further, the steel structural frame 50 further includes an embedded part 53, and the embedded part 53 is abutted between the outer frame body 51 and the inner frame body 52.
In this embodiment, the steel structure frame 50 fixes the embedded part 53 between the outer frame 51 and the inner frame 52 in the workshop production stage, so that the flatness of the embedded part 53 after the concrete is poured can be ensured, and the embedded part is not required to be temporarily installed and fixed on a construction site by a constructor, thereby improving the construction quality and the construction efficiency.
Further, the bottom corners of the outer frame body 51 and the corresponding bottom corners of the inner frame body 52 are fixedly connected through the embedded parts 53.
In this embodiment, the base angles of the outer frame body 51 and the corresponding base angles of the inner frame body 52 are fixedly connected through the embedded parts 53, so that the embedded parts 53 are arranged oppositely, the embedded parts 53 are stressed uniformly after the concrete is poured, the flatness of the embedded parts 53 is further improved, and the embedded parts 53 are arranged at opposite angles, which is convenient for workers to operate in a workshop.
Further, the additionally-installed elevator steel structure pit further comprises a hanging ring 90, and the hanging ring 90 is fixedly connected with the outer frame body 51 and is located on the peripheral side of the outer frame body 51.
In this embodiment, the hoisting ring 90 is fixedly connected with the outer frame body 51, so that the steel structure frame 50 can be conveniently hoisted by a crane, thereby facilitating the adjustment of the levelness of the steel structure frame 50 for constructors, reducing the construction difficulty of the constructors and improving the construction efficiency.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. An additionally installed elevator steel structure pit is characterized by comprising a construction foundation, foundation piles, a gravel layer, a reinforcing steel layer, a steel structure frame, a first concrete layer, a second concrete layer and a filling soil layer, wherein the construction foundation is provided with a civil foundation pit, the civil foundation pit is arranged on the construction foundation, the number of the foundation piles is multiple, the foundation piles are embedded into the construction foundation and are at least partially arranged below the civil foundation pit, the gravel layer is laid at the bottom of the civil foundation pit, the reinforcing steel layer is laid above the gravel layer and is arranged in the civil foundation pit, the steel structure frame is welded with the reinforcing steel layer and is arranged in the civil foundation pit, the steel structure frame comprises an outer frame body and an inner frame body, the inner frame body is arranged in the outer frame body, the first concrete layer is filled between the outer frame body and the inner frame body, the second concrete layer is poured on the reinforcing steel layer, and the filling soil layer is filled between the civil engineering bottom pit and the outer frame body.
2. The retrofit elevator steel structure pit of claim 1, wherein the thickness of the gravel layer is 150 mm.
3. The retrofitted elevator steel structural pit of claim 2, wherein said steel layer comprises two layers of steel coils arranged in sequence.
4. The retrofitted elevator steel structure pit of claim 3, wherein said outer frame body has a first uneven surface located on an inner circumferential side of said outer frame body, and said inner frame body has a second uneven surface located on an outer circumferential side of said inner frame body.
5. The retrofitted elevator steel structural pit of claim 1, wherein said steel structural frame further comprises an embedment, said embedment being supported between said outer frame and said inner frame.
6. The steel structure pit for the additional elevator as claimed in claim 5, wherein the bottom corners of the outer frame body are fixedly connected with the corresponding bottom corners of the inner frame body through the embedded parts.
7. The additionally installed elevator steel structure pit as claimed in claim 5, further comprising a lifting ring, wherein the lifting ring is fixedly connected with the outer frame body and located on the periphery side of the outer frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920725441.6U CN211037035U (en) | 2019-05-20 | 2019-05-20 | Install elevator steel construction pit additional |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920725441.6U CN211037035U (en) | 2019-05-20 | 2019-05-20 | Install elevator steel construction pit additional |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211037035U true CN211037035U (en) | 2020-07-17 |
Family
ID=71563636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920725441.6U Expired - Fee Related CN211037035U (en) | 2019-05-20 | 2019-05-20 | Install elevator steel construction pit additional |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211037035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093945A (en) * | 2019-05-20 | 2019-08-06 | 重庆富士电梯有限责任公司 | A kind of installation elevator steel construction pit |
-
2019
- 2019-05-20 CN CN201920725441.6U patent/CN211037035U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093945A (en) * | 2019-05-20 | 2019-08-06 | 重庆富士电梯有限责任公司 | A kind of installation elevator steel construction pit |
| CN110093945B (en) * | 2019-05-20 | 2023-12-12 | 重庆富士电梯有限责任公司 | Pit with elevator steel structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |