CN213571959U - Abnormal shape unbalanced foundation ditch retaining structure - Google Patents

Abnormal shape unbalanced foundation ditch retaining structure Download PDF

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Publication number
CN213571959U
CN213571959U CN202022313501.9U CN202022313501U CN213571959U CN 213571959 U CN213571959 U CN 213571959U CN 202022313501 U CN202022313501 U CN 202022313501U CN 213571959 U CN213571959 U CN 213571959U
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China
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steel
support
steel support
buttress
oblique
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CN202022313501.9U
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Chinese (zh)
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王祥
张洪涛
赵文浩
邵银秀
孙康
王文林
王庆龙
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Fifth Engineering Co Ltd of CTCE Group
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Fifth Engineering Co Ltd of CTCE Group
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Abstract

The utility model discloses a heterotypic unbalanced foundation ditch retaining structure, include: the device comprises a transverse steel support, an oblique steel support and two steel buttress mechanisms; the two ends of the transverse steel support and the two ends of the oblique steel support are respectively supported on two side walls of the foundation pit, the transverse steel support and the oblique steel support are located in the same plane, the two ends of the steel buttress mechanism are respectively provided with a top support and a base, the top supports of the two steel buttress mechanisms are fixedly connected through screws, and the bases of the two steel buttress mechanisms are respectively fixed on the transverse steel support and the oblique steel support. The utility model discloses a building envelope's steel buttress mechanism passes through height and angle between adjusting bolt adjusting mounting panel and base after the installation is fixed on the steel shotcrete, thereby holds in the palm the length that makes the hob extension or shorten adjusting steel buttress mechanism through rotatory top, can prevent the deformation unstability of horizontal steel shotcrete and slant steel shotcrete to the stability of underground structure has been guaranteed.

Description

Abnormal shape unbalanced foundation ditch retaining structure
Technical Field
The utility model relates to a foundation ditch envelope especially relates to an abnormal shape unbalanced foundation ditch envelope.
Background
In recent years, the economy of China is rapidly developed, and the ground traffic can not meet the requirements of people for quick travel, so that subways are produced at the same time, and the foundation pit supporting technology corresponding to the subway is gradually the key point of research of people. At present, most of foundation pit supports are symmetrical foundation pit supports (namely opposite side pressures on two sides of the foundation pit are the same), and the supports are used for preventing soil bodies outside the foundation pit from collapsing. However, in actual engineering, due to the existence of pits in pits such as an elevator shaft and a water collecting pit, the foundation pit is generally unbalanced, the situation that the heights of two sides of the foundation pit are different exists, and a part of oblique steel supports can appear at the moment. When the transverse steel support and the oblique steel support are used simultaneously, relative displacement is easy to occur between the two steel supports, and then instability of the two steel supports is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing an abnormal shape unbalanced foundation ditch retaining structure, through two steel buttress mechanism joint support horizontal steel shotcrete and slant steel shotcrete, make not take place relative displacement between two kinds of steel shotcrete.
The utility model provides a heterotypic unbalanced foundation ditch envelope, include: the device comprises a transverse steel support, an oblique steel support and two steel buttress mechanisms; the two ends of the transverse steel support and the two ends of the oblique steel support are respectively supported on two side walls of the foundation pit, the transverse steel support and the oblique steel support are positioned in the same plane, two ends of the steel buttress mechanism are respectively provided with a top support and a base, the top supports of the two steel buttress mechanisms are fixedly connected through screws, and the bases of the two steel buttress mechanisms are respectively fixed on the transverse steel support and the oblique steel support;
the steel buttress mechanism comprises a screw rod, a screw sleeve, a support shaft, a rotating shaft, an adjusting bolt and a plurality of adjusting nuts; the jacking support is fixed at one end of the screw rod, the other end of the screw rod extends into the screw sleeve, the screw rod is provided with external threads, the screw sleeve is internally provided with internal threads, the screw rod can be extended or shortened through the matching of the internal threads and the external threads, and the bottom of the screw sleeve is provided with an installation plate; the supporting shaft is welded at one end of the base, a row of fixing nuts are welded at the other end of the base, the rotating shaft penetrates through the fixing nuts, external threads are arranged on the rotating shaft and can rotate relative to the fixing nuts, and two adjusting bolts are symmetrically arranged on the rotating shaft; the mounting plate is characterized in that one end of the mounting plate is supported on the base through a supporting shaft, two through holes are symmetrically formed in the other end of the mounting plate, the adjusting bolts are correspondingly inserted into the corresponding through holes, two adjusting nuts are sleeved on the adjusting bolts and are respectively located above and below the mounting plate, and the angle between the mounting plate and the bottom plate is adjusted by adjusting the locking positions of the two adjusting nuts on the adjusting bolts.
The utility model discloses an among the heterotypic unbalanced foundation ditch retaining structure, the four corners of base is equipped with the screw respectively, and the base of two steel buttress mechanisms supports respectively on lateral wall that horizontal steel supported and oblique steel supported, is equipped with the connecting plate on another lateral wall that horizontal steel supported and oblique steel supported, through bolted connection base and corresponding connecting plate, makes two steel buttress mechanisms fixed with horizontal steel support and oblique steel support respectively.
The utility model discloses an abnormal shape unbalanced foundation ditch retaining structure, moreover, the steam generator is simple in structure, high durability and convenient installation, therefore, the practicality is strong, through two steel buttress mechanism joint support horizontal steel shotcrete and slant steel shotcrete, steel buttress mechanism passes through height and angle between adjusting bolt adjusting mounting panel and base after the installation is fixed on the steel shotcrete, thereby it makes the hob extension or shorten the length of adjusting steel buttress mechanism to hold in the palm through rotatory top, can prevent the deformation unstability of horizontal steel shotcrete and slant steel shotcrete, make not take place relative displacement between two kinds of steel shotcrete, thereby the stability of excavation supporting construction has been guaranteed, ensure the safety of work progress, the value of good application and popularization has.
Drawings
Fig. 1 is a structural diagram of a special-shaped unbalanced foundation pit support structure of the utility model;
fig. 2 is a structural view of the steel pier mechanism.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses a heterotypic unbalanced foundation ditch envelope, include: the device comprises a transverse steel support 2, an oblique steel support 3 and two steel buttress mechanisms 1. The two ends of the transverse steel support 2 and the two ends of the oblique steel support 3 are respectively supported on two side walls of the foundation pit, the transverse steel support 2 and the oblique steel support 3 are located in the same plane, two ends of the steel buttress mechanism 1 are respectively provided with a top support 11 and a base 16, the top supports 11 of the two steel buttress mechanisms 1 are fixedly connected through screws, and thus the two steel buttress mechanisms 1 form an integral supporting structure. The bases 16 of the two steel buttress mechanisms 1 are respectively fixed on the transverse steel support 2 and the oblique steel support 3.
The steel buttress mechanism 1 includes a screw rod 12, a screw sleeve 13, a support shaft 15, a rotation shaft 17, an adjustment bolt 19, and a plurality of adjustment nuts 20. The top support 11 is fixed at one end of the screw rod 12, the other end of the screw rod 12 extends into the screw sleeve 13, external threads are arranged on the screw rod 12, internal threads are arranged in the screw sleeve 13, and the screw rod 12 can be extended or shortened through the matching of the internal threads and the external threads, so that the overall length of the steel buttress mechanism 1 can be adjusted. The bottom of the spiral sleeve 13 is provided with a mounting plate 14. The support shaft 15 is welded at one end of the base 16, the other end of the base 16 is welded with a row of fixing nuts 18, the rotating shaft 17 penetrates through the fixing nuts 18, external threads are arranged on the rotating shaft 17 and can rotate relative to the fixing nuts 18, and two adjusting bolts 19 are symmetrically arranged on the rotating shaft 17. 14 one end of mounting panel is passed through back shaft 15 and is supported on base 16, 14 other end symmetry of mounting panel is equipped with two through-holes, adjusting bolt 19 corresponds and inserts in the corresponding through-hole, and two adjusting nut 20 covers are established and are located the top and the below of mounting panel 14 on adjusting bolt 19 respectively, through adjusting two adjusting nut 20 locking position on adjusting bolt 19, angle between adjusting mounting panel 14 and bottom plate 16.
The four corners of base 16 are equipped with screw 21 respectively, and the base 16 of two steel buttress mechanisms 1 supports respectively on a lateral wall of horizontal steel shotcrete 2 and slant steel shotcrete 3, is equipped with connecting plate 4 on another lateral wall of horizontal steel shotcrete 2 and slant steel shotcrete 3, and connecting plate 4 relevant position also sets up the screw, connects base 16 and corresponding connecting plate 4 through 4 bolts 5, makes two steel buttress mechanisms 1 fixed with horizontal steel shotcrete 2 and slant steel shotcrete 3 respectively.
Adopt the utility model discloses an abnormal shape unbalanced foundation ditch retaining structure's installation as follows:
step 1: installing a transverse steel support 2 and an oblique steel support 3;
step 2: fixing a base and a connecting plate of a first steel buttress mechanism on two sides of an oblique steel support 3 through bolts 5, clamping the oblique steel support 3, and further fixing the first steel buttress mechanism on the oblique steel support 3;
and step 3: fixedly connecting the top support of the second steel buttress mechanism with the top support of the first steel buttress mechanism through screws to enable the two steel buttress mechanisms to be connected into a whole;
and 4, step 4: the screw rod is extended or shortened by rotating the jacking so as to adjust the length, and the height and the angle between the mounting plate and the base are adjusted by adjusting the fixed positions of the nuts and the adjusting bolts so as to enable the base of the second steel buttress mechanism to be arranged on the transverse steel support 2;
and 5: the connecting plate is fixedly connected with the base of the second steel buttress mechanism through bolts 5, and the second steel buttress mechanism is fixed on the transverse steel support 2.
The utility model discloses a heterotypic unbalanced foundation ditch retaining structure, connect horizontal steel shotcrete and slant steel shotcrete through two steel buttress mechanisms, steel buttress mechanism passes through height and angle between adjusting bolt adjusting mounting panel and base after the installation is fixed on the steel shotcrete, thereby it makes the hob extension or shorten the length of adjusting steel buttress mechanism to hold in the palm through rotatory top, can prevent the deformation unstability of horizontal steel shotcrete and slant steel shotcrete, make not take place relative displacement between two kinds of steel shotcrete, thereby foundation ditch supporting construction's stability has been guaranteed, ensure the safety of work progress, the value that has good application and popularization.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the spirit of the present invention, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. The utility model provides a heterotypic unbalanced foundation ditch envelope which characterized in that includes: the device comprises a transverse steel support, an oblique steel support and two steel buttress mechanisms; the two ends of the transverse steel support and the two ends of the oblique steel support are respectively supported on two side walls of the foundation pit, the transverse steel support and the oblique steel support are positioned in the same plane, two ends of the steel buttress mechanism are respectively provided with a top support and a base, the top supports of the two steel buttress mechanisms are fixedly connected through screws, and the bases of the two steel buttress mechanisms are respectively fixed on the transverse steel support and the oblique steel support;
the steel buttress mechanism comprises a screw rod, a screw sleeve, a support shaft, a rotating shaft, an adjusting bolt and a plurality of adjusting nuts; the jacking support is fixed at one end of the screw rod, the other end of the screw rod extends into the screw sleeve, the screw rod is provided with external threads, the screw sleeve is internally provided with internal threads, the screw rod can be extended or shortened through the matching of the internal threads and the external threads, and the bottom of the screw sleeve is provided with an installation plate; the supporting shaft is welded at one end of the base, a row of fixing nuts are welded at the other end of the base, the rotating shaft penetrates through the fixing nuts, external threads are arranged on the rotating shaft and can rotate relative to the fixing nuts, and two adjusting bolts are symmetrically arranged on the rotating shaft; the mounting plate is characterized in that one end of the mounting plate is supported on the base through a supporting shaft, two through holes are symmetrically formed in the other end of the mounting plate, the adjusting bolts are correspondingly inserted into the corresponding through holes, two adjusting nuts are sleeved on the adjusting bolts and are respectively located above and below the mounting plate, and the angle between the mounting plate and the bottom plate is adjusted by adjusting the locking positions of the two adjusting nuts on the adjusting bolts.
2. The irregular unbalanced foundation pit support structure of claim 1, wherein the screw holes are formed at four corners of the base, the bases of the two steel pier mechanisms are supported on one side wall of the transverse steel support and the oblique steel support, respectively, and a connecting plate is arranged on the other side wall of the transverse steel support and the oblique steel support, and the two steel pier mechanisms are fixed with the transverse steel support and the oblique steel support, respectively, by connecting the bases with the corresponding connecting plates through bolts.
CN202022313501.9U 2020-10-17 2020-10-17 Abnormal shape unbalanced foundation ditch retaining structure Active CN213571959U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022313501.9U CN213571959U (en) 2020-10-17 2020-10-17 Abnormal shape unbalanced foundation ditch retaining structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022313501.9U CN213571959U (en) 2020-10-17 2020-10-17 Abnormal shape unbalanced foundation ditch retaining structure

Publications (1)

Publication Number Publication Date
CN213571959U true CN213571959U (en) 2021-06-29

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Application Number Title Priority Date Filing Date
CN202022313501.9U Active CN213571959U (en) 2020-10-17 2020-10-17 Abnormal shape unbalanced foundation ditch retaining structure

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CN (1) CN213571959U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114960359A (en) * 2022-05-01 2022-08-30 上海宝冶集团有限公司 Fastening support for airport pavement concrete paving operation and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114960359A (en) * 2022-05-01 2022-08-30 上海宝冶集团有限公司 Fastening support for airport pavement concrete paving operation and construction method

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