CN213538997U - Bearing platform foundation pit quick support device - Google Patents
Bearing platform foundation pit quick support device Download PDFInfo
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- CN213538997U CN213538997U CN202022465804.2U CN202022465804U CN213538997U CN 213538997 U CN213538997 U CN 213538997U CN 202022465804 U CN202022465804 U CN 202022465804U CN 213538997 U CN213538997 U CN 213538997U
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- supporting
- steel
- foundation pit
- supporting steel
- bearing platform
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 153
- 239000010959 steel Substances 0.000 claims abstract description 153
- 239000004568 cement Substances 0.000 claims abstract description 29
- 239000002689 soil Substances 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model is suitable for a cushion cap foundation ditch construction technical field provides a cushion cap foundation ditch quick support device, cushion cap foundation ditch quick support device includes: the supporting steel plate is arranged in the bearing platform foundation pit and used for supporting soil bodies on two sides of the bearing platform foundation pit; the hydraulic support rod is arranged between the support steel plates and used for supporting the support steel plates; the supporting steel beams are arranged between the supporting steel plates, and cement slurry wrapped by cement slurry woven bags is filled between the supporting steel beams and the supporting steel plates; the angle steel bracket is fixedly connected with the supporting steel plate and used for positioning and fixing the supporting steel beam; the embodiment of the utility model provides an effectual cushion cap foundation ditch quick support in-process to the problem of the hoist and mount of strutting the equipment, debugging, equipment, great operating time who shortens the supporting construction installation and debugging has greatly saved the time and the efforts of strutting the equipment fixing, has effectively improved the installation effectiveness.
Description
Technical Field
The utility model belongs to the technical field of cushion cap foundation ditch construction, especially, relate to a cushion cap foundation ditch quick support device.
Background
The foundation pit support is used for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment in order to protect the safety of the construction of the underground main body structure and the surrounding environment of the foundation pit. A large number of supporting rods such as steel pipes and weldments are needed to support the sheet piles when the existing foundation pit is supported. However, due to different working conditions, the shape and the size of the formed foundation pit are different, steel pipes and welding pieces with different lengths are needed to be spliced into the supporting rod with the required length, the sizes of the used steel pipes and welding pieces are various, great inconvenience is brought to transportation and installation, the length can not be adjusted at will according to the actual conditions of site construction, and the operation time of installation and debugging of the supporting structure is greatly prolonged. When the support rod is spliced, the pipe diameter of the support rod is large, so that time and labor are wasted when the direction is adjusted and the support rod is assembled, and finally the installation efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a cushion cap foundation ditch quick support device aims at solving the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the embodiments of the present invention are implemented as follows:
the utility model provides a cushion cap foundation ditch quick support device, cushion cap foundation ditch quick support device includes:
the supporting steel plate is arranged in the bearing platform foundation pit and used for supporting soil bodies on two sides of the bearing platform foundation pit;
the hydraulic support rod is arranged between the support steel plates and used for supporting the support steel plates;
the supporting steel beams are arranged between the supporting steel plates, and cement slurry wrapped by cement slurry woven bags is filled between the supporting steel beams and the supporting steel plates;
and an angle steel bracket is arranged at the bottom of the support steel beam and fixedly connected with the support steel plate, and is used for positioning and fixing the support steel beam.
The utility model discloses a preferred embodiment, support the girder steel for the rectangle, its four corners department is equipped with the floor of angle, is used for strengthening support the intensity of girder steel.
In a preferred embodiment of the present invention, a soil retaining plate for preventing the soil blocks from dropping is provided between the soil body and the supporting steel plate.
In a preferred embodiment of the present invention, a first steel plate is fixedly installed at the fixed end of the hydraulic support rod, and a second steel plate is fixedly installed at the telescopic end of the hydraulic support rod; and two ends of the hydraulic support rod are connected with the supporting steel plate through the first steel base plate and the second steel base plate respectively.
The utility model discloses a preferred embodiment, with the flexible end of hydraulic pressure bracing piece links to each other be equipped with the bar opening on the supporting steel plate, the flexible end of hydraulic pressure bracing piece passes through the second steel backing plate the bar opening with supporting steel plate threaded connection.
The utility model discloses a preferred embodiment, the support steel sheet bottom is equipped with the edge of a knife, is used for reducing the resistance that the support steel sheet was squeezed into in the soil body.
The utility model discloses a preferred embodiment, be equipped with the draw-in groove of being convenient for carry out the handling installation on the support steel sheet.
In a preferred embodiment of the present invention, the supporting steel plate is a steel grid plate.
Another object of the embodiment of the utility model is to provide a construction method of cushion cap foundation ditch quick support device is applied to as above-mentioned cushion cap foundation ditch quick support device, its characterized in that, construction method includes following step:
(1) prefabricating the supporting steel plate and the supporting steel beam;
(2) clearing a flat field, and excavating foundation soil to a designed height according to a construction drawing to form a foundation pit;
(3) hoisting the supporting steel plate to be arranged at a specified position in the foundation pit and inserting the supporting steel plate part into the bottom of the foundation pit;
(4) the hydraulic support rods are arranged between the support steel plates;
(5) hoisting the supporting steel beam into a foundation pit for installation;
(6) and placing the cement paste woven bag in the support steel beam and the support steel plate bracket, and injecting high-pressure expandable cement paste into the cement paste woven bag for filling.
The embodiment of the utility model provides a pair of cushion cap foundation ditch quick support device has following beneficial effect: the supporting steel plate is connected with the hydraulic support rod to form a supporting space, and the hydraulic support rod can stretch out and draw back, so that the rapid supporting device for the bearing platform foundation pit can adapt to foundation pits with different sizes; the woven bag filled with high-pressure expandable cement paste is filled between the supporting steel plate and the supporting steel beam to serve as a force transmission medium, the supporting steel beam is firmly fixed by utilizing the expansibility of hardening cement, the supporting strength is further enhanced, and meanwhile, a supporting space can be further created by the supporting steel beam, so that equipment such as a large-scale steel reinforcement cage and the like can be conveniently hung; by using the cement paste woven bag, the supporting device can be conveniently detached, the structure of an original supporting piece and the structure of a connecting piece cannot be damaged in the detaching process, and the friction force between the cement paste and the cement paste can be increased by the cement paste leaked from the cement paste woven bag; constructors can adjust the upper position and the lower position of the supporting steel beam as required, the construction process is convenient and fast, and the installation and debugging operation time of the supporting device can be greatly shortened.
Drawings
Fig. 1 is a schematic structural view of a rapid supporting device for a bearing platform foundation pit provided by an embodiment of the present invention;
fig. 2 is a top view of a rapid supporting device for a foundation pit of a bearing platform provided in an embodiment of the present invention;
fig. 3 is a schematic three-dimensional structure diagram of a supporting steel beam in the rapid supporting device for a bearing platform foundation pit provided by the embodiment of the utility model;
fig. 4 is a cross-sectional view of a supporting steel plate connected to a fixed end of a hydraulic support rod in the rapid supporting device for a bearing platform foundation pit according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a supporting steel plate connected to a telescopic end of a hydraulic support rod in the rapid supporting device for a bearing platform foundation pit provided by the embodiment of the present invention;
fig. 6 is a left side view of a rapid supporting device for a foundation pit of a bearing platform provided in an embodiment of the present invention;
fig. 7 is a right side view of the utility model discloses a cushion cap foundation ditch quick support device that embodiment provided.
In the drawings: 1. a soil body; 2. a soil guard plate; 3. a hydraulic support rod; 4. supporting a steel plate; 5. supporting the steel beam; 6. an angular rib plate; 7. cement paste woven bags; 8. an angle bracket; 9. a first steel backing plate; 10. a second steel backing plate; 11. a knife edge; 12. a card slot; 13. a steel-structured grid; 14. and a strip-shaped opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 1, for the embodiment of the utility model provides a pair of cushion cap foundation ditch quick support device's schematic structure diagram, include:
the supporting steel plate 4 is arranged in the bearing platform foundation pit and is used for supporting soil bodies 1 on two sides of the bearing platform foundation pit;
the hydraulic support rods 3 are arranged between the support steel plates 4 and used for supporting the support steel plates 4 and ensuring that the support steel plates 4 are not inclined;
the supporting steel beams 5 are arranged between the supporting steel plates 4, and cement paste wrapped by cement paste woven bags 7 is filled between the supporting steel beams 5 and the supporting steel plates 4;
and an angle steel bracket 8 is arranged at the bottom of the support steel beam 5, and the angle steel bracket 8 is fixedly connected with the support steel plate 4 and used for positioning and fixing the support steel beam 5.
In the embodiment of the present invention, the supporting steel beam 5 and the angle bracket 8 are prefabricated in advance by a factory as a whole; the pressure of the soil body 1 in the bearing platform foundation pit is born by the support steel plate 4 and the support steel beam 5; the supporting steel plate 4 is made of high-strength section steel; when the foundation pit is supported, the supporting steel plate 4 is firstly hung into the foundation pit, a proper construction space is adjusted through the hydraulic support rod 3, the supporting steel beam 5 is hung into the foundation pit, and the supporting steel beam 5 can be positioned and fixed through the angle steel bracket 8 to strengthen the supporting strength; the cement paste woven bag 7 is filled between the support steel plate 4 and the support steel beam 5 to serve as a force transmission medium, and the support steel beam 5 can be firmly fixed by utilizing the hardening expansibility of cement, so that the support strength is further enhanced; the supporting steel beam 5 can facilitate the hoisting of large-scale reinforcement cages and other equipment; by using the cement paste woven bag 7, the support device can be conveniently detached, the structure of an original support piece and the structure of a connecting piece cannot be damaged in the detaching process, and the friction force between the cement paste and the cement paste can be increased by the cement paste seeped from the cement paste woven bag 7; constructor can pass through as required angle steel bracket 8 adjustment strut the upper and lower position of girder steel 5, and the work progress convenient and fast can shorten the supporting device installation debugging activity duration greatly.
As shown in fig. 2 and 3, as a preferred embodiment of the present invention, the supporting steel beam 5 is rectangular, and the four corners of the supporting steel beam are all provided with corner ribs 6, and the corner ribs 6 can improve the bending resistance of the supporting steel beam 5, further enhancing the supporting strength of the supporting steel beam 5.
As shown in fig. 1, as another preferred embodiment of the present invention, a soil retaining plate 2 is disposed between the soil body 1 and the supporting steel plate 4; the soil blocking plate 2 is attached to the soil body 1 on two sides of the foundation pit and inserted into the bottom of the foundation pit, so that the situation that soil blocks on the soil body 1 fall off during construction to influence the normal construction of constructors can be avoided.
As shown in fig. 1, 6 and 7, as another preferred embodiment of the present invention, a first steel plate 9 is fixedly installed at the fixed end of the hydraulic support rod 3, and a second steel plate 10 is fixedly installed at the telescopic end; the first steel backing plate 9 and the second steel backing plate 10 can be fixedly arranged on the hydraulic support rod 3 in a welding mode; two ends of the hydraulic support rod 3 are respectively in threaded connection with the support steel plate 4 through the first steel base plate 9 and the second steel base plate 10; as shown in fig. 5, a strip-shaped opening 14 is formed in the supporting steel plate 4 connected with the telescopic end of the hydraulic support rod 3; when the supporting device is installed, firstly, the fixed end of the hydraulic support rod 3 is in threaded connection with the supporting steel plate 4 through the first steel base plate 9, after the length of the hydraulic support rod 3 is adjusted to meet the distance between the supporting steel plates 4 on a construction site, the telescopic end of the hydraulic support rod 3 is aligned with the strip-shaped opening 14 on the other supporting steel plate 4 through a bolt and then is in threaded connection, and therefore the supporting device is quickly assembled and fixed; the strip-shaped opening 14 is convenient for the telescopic end of the hydraulic support rod 3 to be aligned with the support steel plate 4, and is beneficial to quick threaded connection.
As shown in fig. 4 and 5, as another preferred embodiment of the present invention, the bottom of the supporting steel plate 4 is provided with a knife edge 11, when the supporting steel plate 4 is inserted into the bottom of the foundation pit, the knife edge 11 is favorable for reducing the resistance of the supporting steel plate 4 to be driven into the soil body 1, and at the same time, the soil carrying amount when the supporting steel plate 4 is pulled out can be reduced.
As another preferred embodiment of the utility model, be equipped with draw-in groove 12 on the support steel sheet 4, through draw-in groove 12 be convenient for right it carries out the handling installation to support steel sheet 4.
As another preferred embodiment of the present invention, the supporting steel plate 4 is a steel-structure grid plate; be equipped with a plurality of steel structure grids on strutting steel sheet 4, guarantee when strutting 4 structural strength of steel sheet reduce strutting 4's dead weight to the weight of lifting by crane has been reduced.
The embodiment of the utility model provides a construction method of cushion cap foundation ditch quick support device who still provides is applied to as above-mentioned cushion cap foundation ditch quick support device, a serial communication port, construction method includes following step:
(1) prefabricating the supporting steel plate 4 and the supporting steel beam 5;
(2) clearing a flat field, and excavating foundation soil to a designed height according to a construction drawing to form a foundation pit;
(3) hoisting the supporting steel plate 4 to be arranged at a specified position in the foundation pit and inserting part of the supporting steel plate 4 into the bottom of the foundation pit;
(4) the hydraulic support rods 3 are arranged between the support steel plates 4;
(5) hoisting the supporting steel beam 5 into a foundation pit for installation;
(6) and placing the cement paste woven bag 7 on the support of the support steel beam 5 and the support steel plate 4, and injecting high-pressure expandable cement paste into the cement paste woven bag for filling.
In the embodiment of the utility model, the supporting steel plate 4 and the supporting steel beam 5 are both prefabricated by factories; by the aid of the construction method of the rapid bearing platform foundation pit supporting device, the rapid bearing platform foundation pit supporting device can be conveniently and rapidly installed, operation time of installation and debugging of the supporting structure is greatly shortened, and installation efficiency of the supporting device is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a cushion cap foundation ditch quick support device which characterized in that, cushion cap foundation ditch quick support device includes:
the supporting steel plate is arranged in the bearing platform foundation pit and used for supporting soil bodies on two sides of the bearing platform foundation pit;
the hydraulic support rod is arranged between the support steel plates and used for supporting the support steel plates;
the supporting steel beams are arranged between the supporting steel plates, and cement slurry wrapped by cement slurry woven bags is filled between the supporting steel beams and the supporting steel plates;
and an angle steel bracket is arranged at the bottom of the support steel beam and fixedly connected with the support steel plate, and is used for positioning and fixing the support steel beam.
2. The rapid supporting device for the foundation pit of the bearing platform as claimed in claim 1, wherein the supporting steel beam is provided with an angle rib plate for reinforcing the strength of the supporting steel beam.
3. The rapid supporting device for foundation pit of bearing platform as claimed in claim 1, wherein a retaining plate for preventing soil blocks from falling is provided between the soil body and the supporting steel plate.
4. The rapid supporting device for the foundation pit of the bearing platform as claimed in claim 1, wherein steel backing plates are fixedly installed at two ends of the hydraulic supporting rod, and two ends of the hydraulic supporting rod are connected with the supporting steel plates through the steel backing plates.
5. The rapid supporting device for the foundation pit of the bearing platform as claimed in claim 4, wherein the supporting steel plate connected with the telescopic end of the hydraulic support rod is provided with a strip-shaped opening, and the telescopic end of the hydraulic support rod is in threaded connection with the supporting steel plate through the steel backing plate and the strip-shaped opening.
6. The rapid supporting device for foundation pit of bearing platform as claimed in claim 1, wherein the bottom of the supporting steel plate is provided with a knife edge for reducing the resistance of the supporting steel plate to be driven into the soil.
7. The rapid supporting device for the foundation pit of the bearing platform as claimed in claim 1 or 6, wherein the supporting steel plate is provided with a slot for facilitating hoisting and installation.
8. The rapid supporting device for the foundation pit of the bearing platform as claimed in claim 1, wherein the supporting steel plate is a steel structure grid plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022465804.2U CN213538997U (en) | 2020-10-30 | 2020-10-30 | Bearing platform foundation pit quick support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022465804.2U CN213538997U (en) | 2020-10-30 | 2020-10-30 | Bearing platform foundation pit quick support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213538997U true CN213538997U (en) | 2021-06-25 |
Family
ID=76501938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022465804.2U Expired - Fee Related CN213538997U (en) | 2020-10-30 | 2020-10-30 | Bearing platform foundation pit quick support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213538997U (en) |
-
2020
- 2020-10-30 CN CN202022465804.2U patent/CN213538997U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |