CN110284508B - Supporting mechanism based on foundation pit is used - Google Patents

Supporting mechanism based on foundation pit is used Download PDF

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Publication number
CN110284508B
CN110284508B CN201910641306.8A CN201910641306A CN110284508B CN 110284508 B CN110284508 B CN 110284508B CN 201910641306 A CN201910641306 A CN 201910641306A CN 110284508 B CN110284508 B CN 110284508B
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China
Prior art keywords
rod
block
fixing
foundation pit
supporting
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CN201910641306.8A
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CN110284508A (en
Inventor
黄光洪
余列
熊兵
胡伟
陈龙
蒋超
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China Huashi Enterprises Co Ltd
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China Huashi Enterprises Co Ltd
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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

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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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention discloses a supporting mechanism based on foundation pit use, which comprises a connecting block, wherein four fixing plates are arranged in the connecting block, the fixing plates can all rotate in the connecting block, one end of each fixing plate is movably connected with the connecting block, a driving mechanism is arranged in the other end of each fixing plate, a connecting rod is arranged on an output shaft of the driving mechanism, a supporting component is arranged on each connecting rod, the supporting component is movably connected with the same connecting rod, each supporting component comprises a transverse rod fixing block and two movable blocks, one end of each transverse rod is hinged with the connecting rod, the other end of each transverse rod is connected with the corresponding fixing block, the movable blocks are respectively positioned on two sides of each fixing block, supporting surfaces of the fixing block and the movable blocks are all in the same plane, vertical rods are arranged on the movable blocks and are inserted into the fixing blocks, and the vertical rods can move in the fixing blocks to adjust the distance between the two movable blocks. The foundation pit supporting device is convenient for supporting the foundation pit quickly and has construction efficiency.

Description

Supporting mechanism based on foundation pit is used
Technical Field
The invention relates to the technical field of buildings, in particular to a supporting mechanism based on foundation pit use.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the elevation of the substrate and the plane size of the foundation. Before excavation, the excavation scheme is determined according to geological hydrologic data and the conditions of buildings nearby the site, and waterproof and drainage works are performed. The method of releasing the slope can be used for stabilizing the soil slope by the person with non-deep excavation, and the gradient of the soil slope is determined according to relevant construction engineering regulations. The method can be used for protecting the wall of a foundation pit by a foundation pit wall supporting method and a concrete spraying wall protecting method, and even a large foundation pit adopts methods of underground continuous walls, column type bored piles and the like to be interlocked so as to protect the collapse of an outer soil layer; the underground water level can be reduced by using a well point method without influencing the nearby buildings, and slope-releasing open cut is adopted; natural cold air freezing method can be adopted for excavation in cold areas, etc.
When the foundation pit is excavated, in order to prevent the foundation pit from collapsing, the inner wall of the foundation pit needs to be supported, at present, steel pipes are mostly adopted to transversely support the inner walls on two sides of the foundation pit when the foundation pit is supported, when the foundation pit is used, the steel pipes are lifted to the supporting height by using a crane, then the steel pipes are supported, but only one steel pipe can be installed each time by adopting the mode, and the efficiency is lower.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and aims to provide a supporting mechanism based on foundation pit use, which is convenient for supporting the foundation pit rapidly and has construction efficiency.
The invention is realized by the following technical scheme:
the utility model provides a supporting mechanism based on foundation ditch uses, includes the connecting block, be equipped with four fixed plates in the connecting block, the fixed plate homoenergetic rotates in the connecting block, fixed plate one end and connecting block swing joint are equipped with actuating mechanism in the other end, are equipped with the connecting rod on actuating mechanism's the output shaft, be equipped with supporting component on the connecting rod, the same connecting rod swing joint of supporting component, supporting component includes horizontal pole fixed block and two movable blocks, horizontal pole one end is articulated with the connecting rod, and the other end is connected with the fixed block, the movable block is located the both sides of fixed block respectively to the holding surface of fixed block and movable block all is in the coplanar, is equipped with the montant on the movable block, and the montant inserts in the fixed block, and the montant can be in the fixed block, adjusts the interval between two movable blocks.
Further, the connecting block comprises an upper disc, a lower disc and four fixing rods, two ends of each fixing rod are connected with the upper disc and the lower disc respectively, the fixing rods penetrate through the fixing plates respectively, and the fixing plates can rotate around the fixing rods.
Further, still be equipped with a plurality of body of rod on the lateral wall of last disc, be equipped with the ring on the body of rod, the body of rod is connected with the inner wall of ring, the bottom of ring is equipped with the ring channel, is equipped with the slider in the ring channel, and the slider can remove in the ring channel, the bottom of slider is equipped with the pull rod to the pull rod is connected with the fixed plate.
Further, the ring inner wall still is equipped with the spread groove, the spread groove is located the bottom of ring channel to spread groove and ring channel intercommunication, still be equipped with mounting and locating piece on the pull rod, the mounting passes through the screw thread and is connected with the pull rod, and the locating piece cover is on the pull rod to be located the top of mounting, rotatory mounting, the mounting can promote the locating piece and remove to the spread groove.
Further, a blind hole and an outlet are further formed in the fixed block, one end of the outlet is communicated with the outer side of the fixed block, the other end of the outlet is communicated with the blind hole, and the vertical rod extends into the blind hole through the outlet.
Further, the diameter of the blind hole is larger than that of the outlet, a limiting block is arranged at the tail end of the vertical rod in the blind hole, and the diameter of the limiting block is larger than that of the outlet.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the supporting mechanism based on the foundation pit, when the foundation pit is supported technically, the supporting components on the connecting rods are pushed by the driving mechanism in the fixing plate to act on different positions of the inner wall of the foundation pit respectively, so that the inner wall of the foundation pit is supported, the foundation pit can be supported at multiple points at one time during installation, and compared with the traditional one-time hoisting, only two points can be supported, and the construction efficiency is improved;
2. according to the supporting mechanism based on the foundation pit, as the distance between the supporting components can be adjusted, the distance between the supporting components is adjusted according to the actual depth of the foundation pit, so that the installation quantity of the supporting device can be reduced, and the construction efficiency is further improved;
3. according to the supporting mechanism based on the foundation pit, the distance between the two movable blocks on the supporting component can be adjusted, so that the two movable blocks on the supporting component act on different positions on the inner wall of the foundation pit, and the supporting force of the supporting component on the foundation pit is improved;
4. according to the supporting mechanism based on the foundation pit, before the foundation pit is lifted and installed by the crane, the fixed plate can be fixed below the circular ring by the aid of the arranged circular ring, so that the distance between the supporting components is not changed in the lifting process of the supporting components, and the foundation pit can be supported conveniently and rapidly.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a top view of the present invention when supporting a foundation pit;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a schematic view of the structure between the fixing plate and the connecting rod of the present invention;
FIG. 4 is a schematic view of the structure of the connecting block of the present invention;
FIG. 5 is a schematic view of a support assembly according to the present invention
FIG. 6 is a bottom view of the ring of the present invention;
FIG. 7 is a schematic cross-sectional view of the ring of the present invention.
In the drawings, the reference numerals and corresponding part names:
the device comprises a 1-supporting component, a 2-foundation pit, a 3-connecting block, a 4-positioning block, a 5-connecting rod, a 6-circular ring, a 7-output shaft, an 8-driving mechanism, a 9-fixing plate, a 10-pull rod, a 11-sliding block, a 12-fixing piece, a 13-upper disc, a 14-fixing rod, a 15-lower disc, a 16-cross rod, a 17-fixing block, a 18-movable block, a 19-blind hole, a 20-vertical rod, a 21-limiting block, a 22-connecting groove, a 24-annular groove and a 25-rod body.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 5, the supporting mechanism based on foundation pit use of the present invention comprises a connecting block 3, wherein the connecting block 3 comprises an upper disc 13, a lower disc 15 and four fixing rods 14, one end of each fixing rod 14 is connected with the upper disc 13, the other end is connected with the lower disc 15, and the four fixing rods 14 are uniformly distributed between the upper disc 13 and the lower disc 15; the fixed rods 14 are provided with fixed plates 9, the fixed rods 14 are inserted in the fixed plates 9, the fixed plates 9 can rotate around the fixed rods 14 on the fixed rods 14, one ends of the fixed plates 9 are sleeved on the fixed rods 14, the other ends of the fixed plates are internally provided with driving mechanisms 8, the driving mechanisms 8 are hydraulic cylinders, the fixed plates can be purchased in the market in the prior art, the output shafts 7 of the driving mechanisms 8 are provided with connecting rods 5, and the output shafts 7 can drive the connecting rods 5 to move under the action of the driving mechanisms 8; still be equipped with supporting component 1 on the connecting rod 5, supporting component 1 articulates with connecting rod 5 for supporting component 1 can rotate round articulated department, guarantees that supporting component can act on the inner wall of foundation ditch 2.
The support assembly 1 comprises a cross rod 16, a fixed block 17 and two movable blocks 18, one end of the cross rod 16 is hinged to the connecting rod 5, the other end of the cross rod is connected with the fixed block 17, the fixed block 17 can rotate around the hinged position along with the cross rod 16, two sides of the fixed block 17 are respectively provided with two blind holes 19 and outlets, one end of each outlet is communicated with the blind holes, the other end of each outlet is communicated with the outer side of the fixed block 17, the diameter of each outlet is smaller than that of each blind hole 19, the two movable blocks 18 are respectively located on two sides of the fixed block 17, the supporting surface of each movable block 18 is on the same plane with the supporting surface of the fixed block 17, the movable blocks 18 and the fixed block 17 can be attached to the inner wall of a foundation pit, two vertical rods 20 are arranged on the fixed block 17, the vertical rods 20 are inserted into the blind holes 19 through the outlets, limiting blocks 21 are further arranged on the tail ends of the vertical rods 20, the limiting blocks 21 are larger than the diameters of the blind holes 19, the limiting blocks 20 can move in the blind holes 19, the distance between the two movable blocks 18 is changed, and the limiting blocks 21 can be prevented from falling out of the blind holes 19 by the aid of the limiting blocks 21.
When the inner wall of the foundation pit 2 is supported, the connecting blocks are lifted by the lifting device, and when the supporting height is reached, the driving mechanism 8 is used for driving the connecting rods 5 to move towards the direction of the inner wall of the foundation pit, and the supporting surfaces of the supporting components 1 are ensured to face the inner wall of the foundation pit, so that the four supporting components 1 apply acting force to the inner wall of the foundation pit finally, and the purpose of supporting the inner wall of the foundation pit is realized; when the supporting component 1 is used for supporting the inner wall of the foundation pit 2, the distance between the movable block 18 and the fixed block 17 can be adjusted by using the vertical rods 20, so that the supporting component 1 can apply acting force to different positions of the inner wall of the foundation pit, and the supporting force of the supporting component 1 on the inner wall of the foundation pit is improved.
Example 2
As shown in fig. 1 to 7, on the basis of embodiment 1, a plurality of rod bodies 25 are further arranged on the circumferential outer wall of the upper disc 13, a circular ring 6 is further arranged on the rod bodies 25, the circular ring 6 is concentric with the upper disc 13, one end of each rod body 25 is connected with the upper disc 13, and the other end is connected with the inner wall of the circular ring 6; an annular groove 24 is further formed in the circular ring 6, a sliding block 11 matched with the annular groove 24 is arranged in the annular groove 24, and the sliding block 11 can move in the annular groove 24, so that the sliding block 11 can move in the circular ring 6 around the circle center of the circular ring 6; the bottom of ring 6 still is equipped with spread groove 22, and spread groove 22 is whole circular to spread groove 22 and ring channel 24 intercommunication, the top of fixed plate 9 all is equipped with pull rod 10 to pull rod 10 passes spread groove 22 and is connected with slider 11, makes pull rod 20 can follow slider 11 and remove together, the cross-section of spread groove 22 is the toper, still all is equipped with the locating piece 4 that matches with spread groove 22 on the pull rod 20, and the cross-section of locating piece 4 is also the toper, and locating piece 4 cover is on pull rod 10, and locating piece 4 can insert in spread groove 22, still be equipped with mounting 12 on pull rod 10, mounting 12 is connected with mounting 12 through the screw thread, and mounting 12 is located the below of locating piece 4, and rotatory mounting 12, mounting 12 can promote the locating piece 4 to insert into spread groove 22 for locating piece 4 is fixed in spread groove 22, thereby fixes pull rod 10 in spread groove 22, avoids in the in-process of lifting by oneself that pull rod 10 moves in spread groove 22.
Before lifting the device, the distance between the two supporting components 1 on the same inner wall is adjusted according to the actual condition of the foundation pit, when the distance between the two supporting components 1 on the same side is finished, the fixing piece 12 is rotated, the fixing piece 12 pushes the locating piece 4 upwards, the locating piece 4 is fixed in the connecting groove 22, the fixing of the pull rod 10 is achieved, the fixing plate 9 is fixed below the circular ring 6, and therefore the fixing plate 9 cannot displace automatically in the lifting process, and therefore when the device is lifted to the installation height, the driving mechanism 8 can be utilized to push the clamping components 1 to support the inner wall of the foundation pit 2, the distance between the fixing plates 9 is not required to be adjusted in a re-suspending state, and the construction efficiency of supporting the foundation pit is improved.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (4)

1. The supporting mechanism based on foundation pit use is characterized by comprising a connecting block (3), four fixed plates (9) are arranged in the connecting block (3), the fixed plates (9) can rotate in the connecting block (3), one end of each fixed plate (9) is movably connected with the connecting block (3), a driving mechanism (8) is arranged in the other end of each fixed plate, a connecting rod (5) is arranged on an output shaft (7) of the driving mechanism (8), a supporting component (1) is arranged on the connecting rod (5), the supporting component (1) is movably connected with the same connecting rod (5), the supporting component (1) comprises a cross rod (16), a fixed block (17) and two movable blocks (18), one end of the cross rod (16) is hinged with the connecting rod (5), the other end of the cross rod is connected with the fixed block (17), the movable blocks (18) are respectively positioned on two sides of the fixed block (17), supporting surfaces of the fixed block (17) and the movable blocks (18) are all in the same plane, vertical rods (20) are arranged on the movable blocks (18), the vertical rods (20) are inserted into the fixed blocks (17), and the vertical rods (20) can move between the two movable blocks (17) in the movable blocks (18). The connecting block (3) comprises an upper disc (13), a lower disc (15) and four fixing rods (14), two ends of each fixing rod (14) are respectively connected with the upper disc (13) and the lower disc (15), the fixing rods (14) respectively penetrate through the fixing plates (9), and the fixing plates (9) can rotate around the fixing rods (14); still be equipped with blind hole (19) and export in fixed block (17), export one end and the outside intercommunication of fixed block (17), the other end and blind hole (19) intercommunication, montant (20) stretch into in blind hole (19) through the export.
2. The supporting mechanism based on foundation pit use according to claim 1, characterized in that a plurality of rod bodies (25) are further arranged on the outer side wall of the upper disc (13), a circular ring (6) is arranged on the rod bodies (25), the rod bodies (25) are connected with the inner wall of the circular ring (6), an annular groove (24) is arranged at the bottom of the circular ring (6), a sliding block (11) is arranged in the annular groove (24), the sliding block (11) can move in the annular groove (24), a pull rod (10) is arranged at the bottom of the sliding block (11), and the pull rod (10) is connected with the fixed plate (9).
3. The supporting mechanism based on foundation pit use according to claim 2, wherein the inner wall of the circular ring (6) is further provided with a connecting groove (22), the connecting groove (22) is located at the bottom of the annular groove (24), the connecting groove (22) is communicated with the annular groove (24), the pull rod (10) is further provided with a fixing piece (12) and a positioning piece (4), the fixing piece (12) is connected with the pull rod (10) through threads, the positioning piece (4) is sleeved on the pull rod (10) and located above the fixing piece (12), the fixing piece (12) is rotated, and the fixing piece (12) can push the positioning piece (4) to move into the connecting groove (22).
4. Supporting mechanism based on foundation pit use according to claim 1, characterized in that the diameter of the blind hole (19) is larger than the diameter of the outlet, the end of the vertical rod (20) in the blind hole (19) is provided with a limiting block (21), and the diameter of the limiting block (21) is larger than the diameter of the outlet.
CN201910641306.8A 2019-07-16 2019-07-16 Supporting mechanism based on foundation pit is used Active CN110284508B (en)

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CN110284508B true CN110284508B (en) 2024-04-09

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111691427B (en) * 2020-04-01 2021-07-23 安徽金联地矿科技有限公司 Deep soil pit supporting mechanism
CN113774918A (en) * 2020-12-24 2021-12-10 安徽丰林建设工程有限公司 Foundation ditch protector for highway engineering
CN114673167B (en) * 2022-04-13 2023-09-26 舜元建设(集团)有限公司 Deep foundation pit self-adaptive steel support adjusting system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204590037U (en) * 2015-03-19 2015-08-26 温州市华宏市政园林工程建设有限公司 A kind of support frame for building
CN207862946U (en) * 2018-01-22 2018-09-14 伊智恩 A kind of ground excavation collapse structure
CN207974120U (en) * 2017-10-16 2018-10-16 广州建达建设管理有限公司 A kind of cast-in-situ bored pile foundation pit support system
CN208266887U (en) * 2018-04-24 2018-12-21 温州乾含节能科技有限公司 A kind of structure convenient for the building foundation pit inner support quickly removed
CN109235450A (en) * 2018-10-17 2019-01-18 李慧 A kind of foundation pit support frame of arch formula balance beam structure
CN109252530A (en) * 2018-11-19 2019-01-22 淮阴工学院 A kind of base pit engineering support safeguard and its application method
KR101919280B1 (en) * 2018-05-25 2019-02-08 박수근 Grouting device for both injection and high-pressured jet
CN210368984U (en) * 2019-07-16 2020-04-21 中国华西企业股份有限公司 Supporting device applied during foundation pit excavation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204590037U (en) * 2015-03-19 2015-08-26 温州市华宏市政园林工程建设有限公司 A kind of support frame for building
CN207974120U (en) * 2017-10-16 2018-10-16 广州建达建设管理有限公司 A kind of cast-in-situ bored pile foundation pit support system
CN207862946U (en) * 2018-01-22 2018-09-14 伊智恩 A kind of ground excavation collapse structure
CN208266887U (en) * 2018-04-24 2018-12-21 温州乾含节能科技有限公司 A kind of structure convenient for the building foundation pit inner support quickly removed
KR101919280B1 (en) * 2018-05-25 2019-02-08 박수근 Grouting device for both injection and high-pressured jet
CN109235450A (en) * 2018-10-17 2019-01-18 李慧 A kind of foundation pit support frame of arch formula balance beam structure
CN109252530A (en) * 2018-11-19 2019-01-22 淮阴工学院 A kind of base pit engineering support safeguard and its application method
CN210368984U (en) * 2019-07-16 2020-04-21 中国华西企业股份有限公司 Supporting device applied during foundation pit excavation

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