CN115492123A - Foundation pit supporting protection structure - Google Patents

Foundation pit supporting protection structure Download PDF

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Publication number
CN115492123A
CN115492123A CN202211182503.6A CN202211182503A CN115492123A CN 115492123 A CN115492123 A CN 115492123A CN 202211182503 A CN202211182503 A CN 202211182503A CN 115492123 A CN115492123 A CN 115492123A
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CN
China
Prior art keywords
supporting
wall
foundation pit
fixedly connected
side wall
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CN202211182503.6A
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Chinese (zh)
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CN115492123B (en
Inventor
彭曙光
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Anhui Jianzhu University
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Anhui Jianzhu University
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Priority to CN202211182503.6A priority Critical patent/CN115492123B/en
Publication of CN115492123A publication Critical patent/CN115492123A/en
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Publication of CN115492123B publication Critical patent/CN115492123B/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • E02D17/04Bordering surfacing or stiffening the sides of foundation pits
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/23Dune restoration or creation; Cliff stabilisation

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Foundations (AREA)
  • Sewage (AREA)

Abstract

The invention discloses a foundation pit supporting protection structure which comprises a foundation pit body and a supporting box, wherein a supporting plate is rotatably connected to the upper side wall of the supporting box, an adjusting mechanism is arranged between the supporting plate and the inner bottom wall of the supporting box, hollow discs are fixedly connected to the inner bottom wall of the supporting box and the lower side wall of the supporting plate, a reinforcing mechanism is arranged in each hollow disc, a limiting block is fixedly connected to the lower side wall of the supporting plate, and a limiting mechanism is arranged in each limiting block. The angle of the supporting plate can be adjusted according to the angle of the foundation pit body through angle adjustment and angle fixation of the supporting plate, the application range is wide, and meanwhile, the plurality of screws are respectively fixed with the inner wall and the bottom of the foundation pit, so that the stability of the bottom of the device during supporting is improved.

Description

Foundation pit supporting protection structure
Technical Field
The invention relates to the technical field of foundation pit supporting, in particular to a protective structure for foundation pit supporting.
Background
At present, corresponding foundation pits are often required to be excavated according to engineering quantity in the construction process, the foundation pits belong to temporary engineering, the foundation pits have the function of providing a space, the basic masonry operation can be carried out according to the designated position by design, and in order to increase the safety factor in the foundation pit operation process and ensure the safety of the underground structure construction and the surrounding environment of the foundation pits, supporting, reinforcing and protecting measures are required to be adopted for the side walls of the foundation pits and the surrounding environment. The foundation pit support is used for guaranteeing the stability and safety around the foundation pit during underground construction, temporary reinforcement and support are carried out on the foundation pit, the foundation pit support is divided into multiple types, the application range is wide, the protective structure has a huge effect as one of the protective structures, and the protective structures of most of the existing foundation pit support have a lot of defects during application, so that the protective structure of the foundation pit support with high practicability is needed.
Traditional excavation supporting's protective structure can not adjust self angle according to the angle of foundation ditch when using, uses to have the limitation, and the bottom is fixed unstable when supporting simultaneously.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a foundation pit supporting protection structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
a foundation pit supporting protection structure comprises a foundation pit body and a supporting box, wherein the upper side wall of the supporting box is rotatably connected with a supporting protection plate, an adjusting mechanism is arranged between the supporting protection plate and the inner bottom wall of the supporting box, the inner bottom wall of the supporting box and the lower side wall of the supporting protection plate are fixedly connected with hollow discs, a reinforcing mechanism is arranged in each hollow disc, the lower side wall of the supporting protection plate is fixedly connected with a limiting block, and a limiting mechanism is arranged in each limiting block;
adjusting mechanism is including rotating two vaulting poles one, two of connection on the wall of strutting incasement diapire the upper end of vaulting pole one all slides and inserts and be equipped with the vaulting pole two that rotates the lateral wall of connection under the supporting plate, two the connecting rod that two lateral walls of vaulting pole are run through in the activity of common fixedly connected with between the vaulting pole two, the outer wall activity cover of connecting rod is equipped with the two-way threaded rod, the fixed cover of outer wall of connecting rod is equipped with the activity and inlays the fixed plate of establishing at two-way threaded rod both ends, two the outer wall of fixed plate all slides and inserts and be equipped with two gag lever posts, is located two of homonymy the equal common fixedly connected with sliding sleeve of tip of gag lever post is established the adapter sleeve on the two-way threaded rod outer wall.
Preferably, the left side of stopper slides and inserts and is equipped with the locating lever, the lateral wall of stopper seted up with locating lever assorted constant head tank, fixedly connected with spring between constant head tank and the locating lever.
Preferably, the strengthening mechanism is including installing the gear one of diapire in the hollow dish, the last lateral wall fixedly connected with pentagon pipe of gear, the upper end of pentagon pipe slides and inserts and is equipped with the pentagon piece, the last lateral wall fixedly connected with threaded connection of pentagon piece is at the bolt of hollow dish lateral wall, the both sides of gear one all mesh gear two, every the equal fixedly connected with rectangular cylinder of last lateral wall of gear two, the top of rectangular cylinder slides the laminating and has the rectangular block, the lower lateral wall fixedly connected with threaded connection of rectangular block is at the screw on the diapire in the hollow dish.
Preferably, the inner top wall of the supporting box is provided with a plurality of universal wheels.
Preferably, the outer wall of the middle part of the bidirectional threaded rod is fixedly sleeved with a turntable.
Preferably, the lateral wall of one side opposite to the two brace rods is provided with a sliding groove matched with the connecting rod.
Preferably, the side walls of the two opposite sides of the fastening sleeve are provided with frosting layers.
Compared with the prior art, this excavation supporting protective structure's advantage lies in:
1. the method comprises the steps that a bidirectional threaded rod is arranged, a supporting box is placed on a foundation pit body, then a supporting plate is turned over to be attached to the inner wall of the foundation pit body, in the process, the supporting box can be matched with a rotating connection point of each first supporting rod and the supporting box and a rotating connection point of each second supporting rod and the supporting plate, so that each second supporting rod is stretched in the corresponding first supporting rod, the angle adjustment of the supporting plate is achieved, the angle of the supporting plate can be adjusted according to the angle of the foundation pit body, the application range is large, the rotary table is rotated to enable the bidirectional threaded rod to rotate, the position of the bidirectional threaded rod cannot be changed due to the fact that the two fixing plates limit the bidirectional threaded rod, each fastening sleeve cannot rotate due to the fact that the fixing plates are clamped with the limiting rods, the two fastening sleeves axially move back to each other until the two fastening sleeves abut against the side walls on the opposite sides of the two first supporting rods respectively, the first supporting rods and the two supporting rods form a relatively fixed structure, and further the angle of the supporting plate is fixed;
2. the bolts are arranged, after the angle adjustment of the supporting plate is completed, the two bolts are sequentially rotated to enable the bolts to spirally move downwards on the premise of being in threaded connection with the hollow disc, so that the pentagonal block is driven to spirally move downwards, then the pentagonal block is clamped with the pentagonal pipe, the pentagonal pipe can drive the gear to rotate, meanwhile, the pentagonal block can also move in the pentagonal pipe to match the movement of the pentagonal block, when the gear rotates, the gear II meshed with the gear II can be driven to rotate, the rectangular cylinder rotates, the rectangular cylinder is clamped with the rectangular block, the rectangular block and the bolts synchronously rotate, and on the premise that the bolts are in threaded connection with the lower side wall of the hollow disc, the spiral outward movement of each bolt is realized until the bolts are inserted into the bottom and the inner wall of the foundation pit body, so that the device is fixed, and the stability of the bottom during supporting is improved;
3. the positioning rod is arranged, and when the supporting plate is overturned to be perpendicular to the supporting box, the positioning rod can automatically pop out under the elastic force of the spring until the positioning rod is attached to the inner wall of the supporting box, so that the rotation of the supporting plate can be limited, and the firmness of the supporting plate in the process of supporting and protecting the foundation pit is further improved;
in conclusion, the angle of the supporting and protecting plate can be adjusted according to the angle of the foundation pit body through angle adjustment and angle fixation of the supporting and protecting plate, the application range is wide, and meanwhile, the plurality of screws are respectively fixed with the inner wall and the bottom of the foundation pit, so that the stability of the bottom of the device during supporting is improved.
Drawings
Fig. 1 is a schematic structural view of a foundation pit supporting protection structure provided by the invention;
fig. 2 is a schematic partial structure diagram of a protective structure for a foundation pit support according to the present invention;
fig. 3 is a side sectional view of an adjusting mechanism of a side column in a protective structure for a foundation pit support according to the present invention;
fig. 4 is a side view of an adjusting mechanism in a protective structure for a foundation pit support according to the present invention;
FIG. 5 is a cross-sectional view of a hollow disc in a protective structure of a foundation pit support according to the present invention;
fig. 6 is a top view of a hollow disc of a protective structure for a foundation pit support according to the present invention.
In the figure: the foundation pit supporting structure comprises a foundation pit body 1, a supporting box 2, a supporting plate 3, a hollow disc 4, a limiting block 5, a first supporting rod 6, a second supporting rod 7, a connecting rod 8, a bidirectional threaded rod 9, a fixing plate 10, a fastening sleeve 11, a limiting rod 12, a rotary disc 13, a positioning rod 14, a spring 15, a first gear 16, a pentagonal tube 17, a pentagonal prism block 18, a bolt 19, a second gear 20, a rectangular cylinder 21, a rectangular block 22, a screw 23 and a universal wheel 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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.
Referring to fig. 1-6, a foundation pit supporting protection structure comprises a foundation pit body 1 and a supporting box 2, wherein a plurality of universal wheels 24 are installed on the inner top wall of the supporting box 2, and the device is convenient to move and transport.
The upper side wall of the supporting box 2 is rotatably connected with a supporting plate 3, an adjusting mechanism is arranged between the supporting plate 3 and the inner bottom wall of the supporting box 2, the adjusting mechanism comprises two first support rods 6 which are rotatably connected to the inner bottom wall of the supporting box 2, two support rods 7 which are rotatably connected to the lower side wall of the supporting plate 3 are slidably inserted into the upper ends of the two first support rods 6, a connecting rod 8 which penetrates through the side walls of the two support rods 7 is fixedly connected between the two support rods 7, sliding grooves matched with the connecting rod 8 are formed in one side wall, opposite to the two first support rods 6, and the connecting rod 8 can slide in the two sliding grooves when the two first support rods 6 are stretched.
The outer wall activity cover of connecting rod 8 is equipped with two-way threaded rod 9, and the fixed cover of middle part outer wall of two-way threaded rod 9 is equipped with carousel 13, conveniently rotates two-way threaded rod 9.
The outer wall fixed cover of connecting rod 8 is equipped with the fixed plate 10 that the activity is inlayed and is established at two-way threaded rod 9 both ends, the outer wall of two fixed plates 10 all slides and inserts and is equipped with two gag lever post 12, the equal common fixedly connected with slip cap of tip of two gag lever post 12 that are located the homonymy establishes the adapter sleeve 11 on two-way threaded rod 9 outer walls, one side lateral wall that two adapter sleeve 11 carried on the back mutually all is equipped with the dull polish layer, can increase the frictional force of adapter sleeve 11 when supporting tight vaulting pole 6 outer wall, thereby the fastness when adapter sleeve 11 supports tight vaulting pole 6 is improved, in use, place supporting box 2 on foundation ditch body 1, then upset backplate 3 to with the inner wall laminating of foundation ditch body 1, in-process, can cooperate the cooperation of the rotation tie point of every vaulting pole 6 and supporting box 2 with the rotation tie point of every vaulting pole two 7 with threaded rod 3, make every vaulting pole two 7 all stretch in corresponding vaulting pole one 6, realize the angle modulation of supporting box 3, thereby can adjust self angle according to the angle of foundation ditch body 1, and then the carousel 13 makes the turnplate 9 make two-way vaulting poles 9 rotate, because two-way vaulting poles 9 can not take place two-way the relative rotation tie sleeve 11 and the relative rotation tie sleeve 11 of two-way pole that two-bar that the anchor rod can not take place the anchor rod 9 and the anchor sleeve 11 and the relative rotation of two-way brace bar, and can not take place the relative rotation of two-way bracing pole, and the anchor sleeve 11, and the relative rotation of two-axis of two-way two-direction, and the anchor rod 11, thereby make two-way fixing plate, and the anchor rod 11, and the relative tie bar that two-direction of the anchor rod can not take place the anchor rod 11, and take place the anchor rod that two side wall that two-fixed plate can not take place the anchor rod that two-fixed plate, and can not take place the anchor bar that two-axis of the anchor bar that two-fixed plates, and take place the anchor bar that the anchor rod 11, and take place.
The inner bottom wall of the supporting box 2 and the lower side wall of the supporting plate 3 are fixedly connected with hollow discs 4, a reinforcing mechanism is arranged in each hollow disc 4 and comprises a first gear 16 installed on the inner bottom wall of the hollow disc 4, an upper side wall of the first gear 16 is fixedly connected with a pentagonal tube 17, a pentagonal block 18 is inserted into the upper end of the pentagonal tube 17 in a sliding mode, an upper side wall of the pentagonal block 18 is fixedly connected with a bolt 19 in threaded connection with the upper side wall of the hollow disc 4, two sides of the first gear 16 are meshed with a second gear 20, an upper side wall of each second gear 20 is fixedly connected with a rectangular tube 21, the top of the rectangular tube 21 is attached with a rectangular block 22 in a sliding mode, a lower side wall of the rectangular block 22 is fixedly connected with a bolt 23 in threaded connection with the inner bottom wall of the hollow disc 4, after angle adjustment of the supporting plate 3 is completed, the two bolts 19 are sequentially rotated to enable the rectangular tube to be spirally moved downwards on the premise that the hollow disc 4 is in threaded connection with the rectangular tube 18, the pentagonal block 18 is driven to spirally move downwards, and the rectangular tube 18 is connected with the rectangular tube 22 in a spiral device, and the hollow tube 23, and the rectangular tube 22 is driven to be synchronously moved downwards by the bolt, and the rectangular tube 23, and the hollow tube 17, the hollow tube 23, the hollow tube 18 is driven by the screw which the rectangular tube 22, and the hollow tube 17, and the hollow tube 23, and the hollow tube 17, and the hollow tube is driven by the hollow tube, and the hollow tube is synchronously rotated, and the hollow tube is driven by the hollow tube, and the hollow tube.
Lower lateral wall fixedly connected with stopper 5 of a backplate 3, be equipped with stop gear in the stopper 5, stop gear inserts the left side locating lever 14 of establishing at stopper 5 including sliding, stopper 5's lateral wall seted up with locating lever 14 assorted constant head tank, fixedly connected with spring 15 between constant head tank and the locating lever 14, overturn to when perpendicular with a retaining box 2 at the backplate 3, locating lever 14 can be under spring 15's elasticity, pop out automatically until with the inner wall laminating of a retaining box 2, thereby can restrict 3 gyrations of a backplate, the fastness of the backplate 3 when strutting the protection is strutted to the foundation ditch has further been improved.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. A foundation pit supporting protection structure comprises a foundation pit body (1) and a supporting box (2), and is characterized in that the upper side wall of the supporting box (2) is rotatably connected with a supporting plate (3), an adjusting mechanism is arranged between the supporting plate (3) and the inner bottom wall of the supporting box (2), the inner bottom wall of the supporting box (2) and the lower side wall of the supporting plate (3) are fixedly connected with hollow discs (4), a reinforcing mechanism is arranged in each hollow disc (4), the lower side wall of the supporting plate (3) is fixedly connected with a limiting block (5), and a limiting mechanism is arranged in each limiting block (5);
adjustment mechanism is including rotating two vaulting pole one (6) of connection on the bottom wall in supporting case (2), two the upper end of vaulting pole one (6) all slides and inserts and is equipped with vaulting pole two (7) of rotating the connection lateral wall under backplate (3), two common fixedly connected with activity runs through connecting rod (8) of two vaulting pole two (7) lateral walls between vaulting pole two (7), the outer wall movable sleeve of connecting rod (8) is equipped with two-way threaded rod (9), the outer wall fixed sleeve of connecting rod (8) is equipped with the activity and inlays fixed plate (10) of establishing at two-way threaded rod (9) both ends, two the outer wall of fixed plate (10) all slides and inserts and is equipped with two gag lever post (12), is located two of homonymy the equal common fixedly connected with of tip of gag lever post (12) slip cover establish fastening cover (11) on two-way threaded rod (9) outer wall.
2. The foundation pit supporting protection structure according to claim 1, wherein the limiting mechanism comprises a left side positioning rod (14) slidably inserted in the limiting block (5), a positioning groove matched with the positioning rod (14) is formed in the side wall of the limiting block (5), and a spring (15) is fixedly connected between the positioning groove and the positioning rod (14).
3. The foundation pit supporting protection structure according to claim 1, wherein the reinforcing mechanism comprises a first gear (16) installed on the inner bottom wall of the hollow disc (4), a pentagonal tube (17) is fixedly connected to the upper side wall of the first gear (16), a pentagonal block (18) is slidably inserted into the upper end of the pentagonal tube (17), a bolt (19) which is in threaded connection with the upper side wall of the hollow disc (4) is fixedly connected to the upper side wall of the pentagonal block (18), two gears (20) are meshed with two sides of the first gear (16), a rectangular cylinder (21) is fixedly connected to the upper side wall of each second gear (20), a rectangular block (22) is in sliding fit with the top of the rectangular cylinder (21), and a screw (23) which is in threaded connection with the inner bottom wall of the hollow disc (4) is fixedly connected to the lower side wall of the rectangular block (22).
4. A supporting and protecting structure for foundation pit according to claim 1, characterized in that the inner top wall of the supporting box (2) is provided with a plurality of universal wheels (24).
5. A foundation pit supporting protection structure according to claim 1, characterized in that the middle outer wall of the bidirectional threaded rod (9) is fixedly sleeved with a rotary table (13).
6. The foundation pit supporting and protecting structure as claimed in claim 1, wherein the side wall of one side opposite to the first brace rod (6) is provided with a sliding groove matched with the connecting rod (8).
7. The foundation pit supporting and protecting structure according to claim 1, wherein the opposite side walls of the two fastening sleeves (11) are provided with frosted layers.
CN202211182503.6A 2022-09-27 2022-09-27 Foundation pit supporting protection structure Active CN115492123B (en)

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Application Number Priority Date Filing Date Title
CN202211182503.6A CN115492123B (en) 2022-09-27 2022-09-27 Foundation pit supporting protection structure

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Application Number Priority Date Filing Date Title
CN202211182503.6A CN115492123B (en) 2022-09-27 2022-09-27 Foundation pit supporting protection structure

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CN115492123A true CN115492123A (en) 2022-12-20
CN115492123B CN115492123B (en) 2023-06-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118360951A (en) * 2024-05-22 2024-07-19 广州城市职业学院 Building foundation pit maintenance device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113322977A (en) * 2021-06-17 2021-08-31 郭长占 Foundation pit supporting device for foundation pit construction
CN214245746U (en) * 2020-12-09 2021-09-21 郑州大学 Foundation pit supporting structure with tunnel on side wall of foundation pit
CN114541416A (en) * 2022-03-16 2022-05-27 胡涛 Foundation pit supporting structure and method
CN217204130U (en) * 2022-05-10 2022-08-16 云南礼胜建筑工程有限公司 Foundation pit supporting structure of town road subgrade

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214245746U (en) * 2020-12-09 2021-09-21 郑州大学 Foundation pit supporting structure with tunnel on side wall of foundation pit
CN113322977A (en) * 2021-06-17 2021-08-31 郭长占 Foundation pit supporting device for foundation pit construction
CN114541416A (en) * 2022-03-16 2022-05-27 胡涛 Foundation pit supporting structure and method
CN217204130U (en) * 2022-05-10 2022-08-16 云南礼胜建筑工程有限公司 Foundation pit supporting structure of town road subgrade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118360951A (en) * 2024-05-22 2024-07-19 广州城市职业学院 Building foundation pit maintenance device

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