CN213952248U - Small-size supporting system suitable for deep foundation pit - Google Patents
Small-size supporting system suitable for deep foundation pit Download PDFInfo
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- CN213952248U CN213952248U CN202022937270.9U CN202022937270U CN213952248U CN 213952248 U CN213952248 U CN 213952248U CN 202022937270 U CN202022937270 U CN 202022937270U CN 213952248 U CN213952248 U CN 213952248U
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- fixed
- foundation pit
- supporting plate
- foundation ditch
- rod
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- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 241000282326 Felis catus Species 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a little volume system of strutting suitable for deep basal pit, supporting construction include the protection frame, the backup pad, the ground, the foundation ditch, foundation ditch lateral wall and foundation ditch diapire, and the backup pad is hugged closely on the foundation ditch lateral wall, has fixed horizontal pole and fixed vertical pole through set screw fixed on the backup pad lateral surface, and cross fixation between fixed horizontal pole and the fixed vertical pole, the through-hole has been seted up in the middle of the backup pad, installs the contrary lid that ends in the through-hole, the utility model relates to a little volume system of strutting suitable for deep basal pit carries out the boosting reinforcement to the backup pad through utilizing fixed vertical pole to can reduce the installation volume of foundation ditch internal support pole, thereby can reduce the bracing piece and to the occupation of basic inner space, make things convenient for staff's construction, can simplify the structure of supporting foundation ditch support at foundation ditch inside simultaneously, make things convenient for the installation of foundation ditch support.
Description
Technical Field
The utility model relates to a deep basal pit struts technical field, in particular to little volume support system suitable for deep basal pit.
Background
The deep foundation pit is an engineering with the excavation depth of more than 5 meters or the excavation depth of less than 5 meters but particularly complex geological conditions, surrounding environments and underground pipelines, the foundation pit engineering mainly comprises foundation pit supporting system design and construction and earthwork excavation and is a system engineering with strong comprehensiveness, the deep foundation pit supporting refers to a supporting, reinforcing and protecting measure adopted for the side wall of the deep foundation pit and the surrounding environment for ensuring the safety of the underground structure construction and the surrounding environment of the foundation pit, along with the high-speed development of the economy of China, the urban space is more and more dense, particularly along with the development of the coastal cities, the encountered deep foundation pit engineering is increasingly increased and is positioned in the downtown areas of the cities, so that the requirement on the foundation pit supporting structure is more and more strict and higher, the inner support can meet the requirement on the deformation control of the foundation pit while ensuring the safety of the side slope of the foundation pit, and is in a structural form consisting of a soil retaining structure and an inner support system, the foundation pit protection structure is high in rigidity, small in deformation and capable of effectively controlling deformation of the soil retaining structure and deformation of surrounding terrains, but the internal supporting structure rods of the existing foundation pit protection structure occupy more space, internal construction of workers is seriously hindered, the structure is relatively complex, and installation takes time.
Therefore, it is necessary to solve the above problems with a small-sized support system for a deep foundation pit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a system is strutted to little volume suitable for deep basal pit to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a little volume struts system suitable for deep basal pit, includes protection frame, backup pad, ground, foundation ditch lateral wall and foundation ditch diapire, its characterized in that: the supporting plate is tightly attached to the side wall of the foundation pit, a fixed transverse rod and a fixed vertical rod are fixed on the outer side surface of the supporting plate through fixing screws, the fixed transverse rod and the fixed vertical rod are fixed in a crossed mode, a through hole is formed in the middle of the supporting plate, a non-return cover is installed in the through hole, a tightening rod is installed in the through hole in the horizontal direction, the outer side end, far away from the foundation pit, of the tightening rod is vertically inserted into the side wall of the foundation pit, and the end portions of the corresponding tightening rods up and down are fixed in a penetrating mode through the vertically arranged fixed vertical rods; a vertical protective guard is arranged on the top surface of the supporting plate; and a water seepage preventing cloth is arranged between the supporting plate and the side wall of the foundation pit.
Preferably, the guard rails comprise vertically arranged protection frames arranged on two sides of the top surface of the supporting plate, horizontal cross rods are arranged between the protection frames, the number of the cross rods is two, a roller is arranged between the two cross rods through a rotating shaft, and a light reflecting sticker is pasted on the roller.
Preferably, the upper side and the right side of the supporting plate are provided with mounting grooves, the upper side and the lower side of the left side of the supporting plate are fixedly provided with mounting raised heads, the mounting grooves are matched with the mounting raised heads, and the supporting plates are fixedly connected through the mounting raised heads and the mounting grooves.
Preferably, the tightening rod comprises a screw rod part and a main rod part, a sharp end head is arranged at the top end of the right side of the main rod part, a limiting jack is arranged on the left side of the sharp end head, a rotating round table is arranged on the screw rod part, a movable screw barrel is spirally mounted on the left side of the rotating round table, a rotating handle is fixed on the side face of the movable screw barrel, and a limiting block is arranged at the top end of the left side of the screw rod.
The utility model discloses a technological effect and advantage: the utility model discloses an utilize fixed montant and step up the pole and carry out the auxiliary reinforcement to the backup pad, thereby can reduce the installation volume of the inside bracing piece of foundation ditch, thereby can reduce the bracing piece and to the occupation of base inner space, make things convenient for staff's construction, can simplify simultaneously and support the structure of excavation supporting inside the foundation ditch, make things convenient for the installation of excavation supporting, utilize the backup pad, step up the pole and fix the montant with the foundation ditch around ground fixed one-tenth a whole, thereby make the foundation ditch more difficult to extrude to the inside of foundation ditch, reduce the extrusion force of ground to the support frame, thereby make the more stable safety of entire system.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic view of the supporting plate structure of the present invention.
Fig. 4 is a schematic structural view of the tightening rod of the present invention.
In the figure: the protective frame comprises a protective frame 1, a foundation pit side wall 2, a foundation 3, a foundation pit 4, a foundation pit bottom wall 5, a supporting plate 6, a fixed vertical rod 7, a fixed cross rod 8, a through hole 9, a fixing screw 10, a non-return cover 11, a tightening rod 12, a fixed vertical rod 13, a light reflecting sticker 14, a roller 15, a rotating shaft 16, a cross beam 17, a ladder stand 18, a rotating installation shaft 19, a screw barrel 20, a screw rod 21, a rotating handle 22, an installation raised head 23, an installation groove 24, a rotating handle 25, a rotating circular truncated cone 26, a main rod part 27, a tip head 28, a limiting block 29, a movable screw barrel 30, a limiting jack 31 and a screw rod part 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a little volume system of strutting suitable for deep basal pit as shown in the figure, little volume system of strutting suitable for deep basal pit includes protection frame 1, backup pad 6, ground 3, foundation ditch 4, foundation ditch lateral wall 2 and foundation ditch diapire 5, its characterized in that: backup pad 6 is hugged closely on foundation ditch lateral wall 2, be fixed with fixed horizontal pole 8 and fixed vertical pole 7 through set screw 10 on the 6 lateral surfaces of backup pad, cross fixation between fixed horizontal pole 8 and the fixed vertical pole 7, through-hole 9 has been seted up in the middle of the backup pad 6, install contrary lid 11 in the through-hole 9, install on the 9 horizontal direction of through-hole and add tight pole 12, wear fixed vertical pole 13 in the pole 12 that adds, the top 6 top surfaces of backup pad are fixed with fender bracket 1, install horizontal pole 17 between the fender bracket 1, horizontal pole 17 is provided with two altogether, two install cylinder 15 through axis of rotation 16 between the horizontal pole, post reflection of light subsides 14 on the cylinder 15.
Further, in the above technical solution, the fixed cross bar 8 mounted on the supporting plate 6 is mounted with a rotary mounting shaft 19, a telescopic rod formed between a screw cylinder 20 and a screw rod 21 is rotatably mounted between the two rotary mounting shafts 19, a rotary handle 22 is mounted in the middle of the screw rod 21, the screw threads on the screw rods 21 on both sides of the rotary handle 22 are opposite, and a ladder 18 is mounted between the two fixed cross bars 8 on the supporting plate 6.
Further, in the above technical solution, the upper side and the right side of the supporting plate 6 are provided with mounting grooves 24, the upper side and the lower side of the left side of the supporting plate 6 are fixed with mounting raised heads 23, the mounting grooves 24 and the mounting raised heads 23 are matched with each other, and the supporting plates 6 are fixedly connected through the mounting raised heads 23 and the mounting grooves 24.
Further, in the above technical scheme, the tightening rod 12 includes a screw rod portion 32 and a main rod portion 27, the top end of the right side of the main rod portion 27 is provided with a pointed end 28, the left side of the pointed end 28 is provided with a limiting jack 31, a rotating circular truncated cone 26 is arranged on the screw rod portion 32, a movable screw barrel 30 is spirally installed on the left side of the rotating circular truncated cone 26, a rotating handle 25 is fixed on the side of the movable screw barrel 30, and a limiting block 29 is arranged on the top end of the left side of the screw rod portion 32.
Further, in the above technical scheme, an anti-seepage cloth is arranged between the support plate 6 and the side wall 2 of the foundation pit.
Further, in the above technical solution, the distance between the fixed vertical rod 13 and the side wall 2 of the foundation pit is determined according to the water content of the foundation 3, the softness of the soil, the depth of the foundation pit 4 and other factors.
Further, in the above technical solution, the tightening rod 12 and the fixing vertical rod 13 are positioned by using an underground pipeline detection technology when being installed.
Further, in the above technical solution, the method comprises the following steps;
A. carrying out leveling operation on the side wall 2 of the foundation pit, paving a water seepage prevention layer on the side wall 2 of the foundation pit, and paving a circle of supporting plate 6 from the bottom wall 5 of the foundation pit;
B. a vertical rod 7 and a fixed cross rod 8 are fixed on the surface of the supporting plate 6 through a fixing screw 10, a telescopic supporting rod consisting of a screw cylinder 20 and a screw rod 21 is arranged between rotary mounting shafts 19 on the adjacent side surfaces, and the supporting plate is tightly supported by the telescopic supporting rod by force through rotating the screw rod 21;
C. after the next layer is fixedly installed, the supporting plate 6 of the previous layer is continuously installed, and the connection and the fixation between the upper layer and the lower layer are realized by inserting the installation raised head 23 of the supporting plate 6 of the previous layer into the installation groove 24 of the next layer; the same principle is carried out until the uppermost end of the foundation pit 4 is reached;
D. mounting a protective frame 1 on the supporting plate 6 at the uppermost end, and surrounding the foundation pit 4 by using the protective frame 1 for one circle;
E. turning the hole to the outer side of the foundation pit 3 in the transverse vertical direction through the through hole 9 by using an underground pipeline detection technology, keeping the direction and the depth of the hole turned through the through hole 9 in the same vertical line direction consistent, installing the tightening rod 12 into the turning hole, and keeping the inlet of the limiting insertion hole 31 on the tightening rod 12 upward;
F. the fixing vertical rod 13 is downwards arranged on the ground right above the limiting insertion hole 31, so that the fixing vertical rod 13 sequentially penetrates through the limiting insertion hole 31 to limit and fix the clamping rod 12;
G. the tightening rod 12 is tightened by rotating the movable screw cylinder 30, so that the mutual force exists between the tightening plate 6 and the fixed vertical rod 13;
H. and finishing the installation and the fixation of the deep foundation pit support.
The utility model discloses the theory of operation: firstly, leveling the side wall of a foundation pit, paving a water seepage prevention layer on the side wall of the foundation pit, paving a circle of supporting plates from the bottom wall of the foundation pit, fixing a vertical rod and a fixed cross rod on the surface of each supporting plate through fixing screws, installing a telescopic supporting rod consisting of a screw cylinder and a screw rod between rotary installing shafts on adjacent side surfaces, forcibly supporting the supporting plates by rotating the screw rods, continuously installing the supporting plate on the upper layer after the next layer is fixedly installed, and inserting an installing raised head of the supporting plate on the upper layer into an installing groove on the next layer to realize the connection and fixation between the upper layer and the lower layer; according to the same principle until reaching the foundation ditch topmost, install the fender bracket in the backup pad of topmost, utilize the fender bracket to enclose the round with the foundation ditch, utilize pipeline detection technique to pass through the through-hole and turn to the horizontal vertical direction in the foundation ditch outside hole, and the direction and the degree of depth through the hole that the through-hole changes on same vertical line direction keep unanimous, and will step up the pole and install in turning to the hole, keep simultaneously that the spacing jack import on the pole that steps up upwards, subaerial fixed montant of installation downwards directly over spacing jack, make fixed montant pass spacing jack in proper order, realize spacing fixed to the pole that steps up, make to step up the pole tighten through rotating movable barrel, thereby make to step up the board and fix and have interact's power between the montant.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a little volume support system suitable for deep basal pit, includes protection frame (1), backup pad (6), ground (3), foundation ditch (4), foundation ditch lateral wall (2) and foundation ditch diapire (5), its characterized in that: the supporting plate (6) is tightly attached to the side wall (2) of the foundation pit, a fixed transverse rod (8) and a fixed vertical rod (7) are fixed on the outer side surface of the supporting plate (6) through a fixing screw (10), the fixed transverse rod (8) and the fixed vertical rod (7) are fixed in a crossed mode, a through hole (9) is formed in the middle of the supporting plate (6), a non-return cover (11) is installed in the through hole (9), a tightening rod (12) is installed in the horizontal direction of the through hole (9), the outer side end, far away from the foundation pit (4), of the tightening rod (12) is vertically inserted into the side wall of the foundation pit, and the end portions of the tightening rods (12) corresponding to each other up and down are fixed in a penetrating mode through vertical fixing rods (13) arranged vertically; a vertical protective guard is arranged on the top surface of the supporting plate (6); and anti-seepage cloth is arranged between the supporting plate (6) and the side wall (2) of the foundation pit.
2. A small-volume supporting system suitable for a deep foundation pit according to claim 1, wherein: the protective guard comprises vertically arranged protective frames (1) arranged on two sides of the top surface of a supporting plate (6), horizontal cross rods (17) are arranged between the protective frames (1), the number of the cross rods (17) is two, a roller (15) is arranged between the two cross rods through a rotating shaft (16), and reflective patches (14) are attached to the roller (15).
3. A small-volume supporting system suitable for a deep foundation pit according to claim 1, wherein: install on fixed horizontal pole (8) of installation on backup pad (6) and rotate installation axle (19), two rotate between installation axle (19) and install the telescopic link that forms between barrel (20) and screw rod (21), install rotation hand (hold) 22 in the middle of screw rod (21), the screw thread on screw rod (21) of rotation hand (hold) (22) both sides is opposite, two install cat ladder (18) between fixed horizontal pole (8) on backup pad (6).
4. A small-volume supporting system suitable for a deep foundation pit according to claim 1, wherein: mounting grooves (24) are formed in the upper side face and the right side face of the supporting plate (6), mounting raised heads (23) are fixed on the upper side face and the lower side face of the left side face of the supporting plate (6), the mounting grooves (24) are matched with the mounting raised heads (23), and the supporting plate (6) is fixedly connected with the mounting grooves (24) through the mounting raised heads (23).
5. A small-volume supporting system suitable for a deep foundation pit according to claim 1, wherein: the tightening rod (12) comprises a screw rod portion (32) and a main rod portion (27), a tip end (28) is arranged on the top of the right side of the main rod portion (27), a limiting insertion hole (31) is formed in the left side of the tip end (28), a rotating round table (26) is arranged on the screw rod portion (32), a movable screw barrel (30) is spirally mounted on the left side of the rotating round table (26), a rotating handle (25) is fixed on the side of the movable screw barrel (30), and a limiting block (29) is arranged on the top of the left side of the screw rod portion (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937270.9U CN213952248U (en) | 2020-12-10 | 2020-12-10 | Small-size supporting system suitable for deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937270.9U CN213952248U (en) | 2020-12-10 | 2020-12-10 | Small-size supporting system suitable for deep foundation pit |
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| Publication Number | Publication Date |
|---|---|
| CN213952248U true CN213952248U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022937270.9U Expired - Fee Related CN213952248U (en) | 2020-12-10 | 2020-12-10 | Small-size supporting system suitable for deep foundation pit |
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| CN (1) | CN213952248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376581A (en) * | 2020-12-10 | 2021-02-19 | 中国建筑第二工程局有限公司 | Deep foundation pit supporting structure and construction method thereof |
-
2020
- 2020-12-10 CN CN202022937270.9U patent/CN213952248U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376581A (en) * | 2020-12-10 | 2021-02-19 | 中国建筑第二工程局有限公司 | Deep foundation pit supporting structure and construction method thereof |
| CN112376581B (en) * | 2020-12-10 | 2022-05-13 | 中国建筑第二工程局有限公司 | Deep foundation pit supporting structure and construction method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210813 |