CN116657611A - Foundation pit supporting device and foundation pit supporting method - Google Patents

Foundation pit supporting device and foundation pit supporting method Download PDF

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Publication number
CN116657611A
CN116657611A CN202310374449.3A CN202310374449A CN116657611A CN 116657611 A CN116657611 A CN 116657611A CN 202310374449 A CN202310374449 A CN 202310374449A CN 116657611 A CN116657611 A CN 116657611A
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CN
China
Prior art keywords
fixed
plate
foundation pit
fixedly connected
rotating
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CN202310374449.3A
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Chinese (zh)
Inventor
王会军
管洪博
孙强
王绪勇
惠晓龙
马路宽
于茂滨
岳强
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Qingdao Geological Engineering Survey Institute
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Qingdao Geological Engineering Survey Institute
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Application filed by Qingdao Geological Engineering Survey Institute filed Critical Qingdao Geological Engineering Survey Institute
Priority to CN202310374449.3A priority Critical patent/CN116657611A/en
Publication of CN116657611A publication Critical patent/CN116657611A/en
Pending legal-status Critical Current

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

Abstract

The invention discloses a foundation pit supporting device and a foundation pit supporting method, four corners of a foundation pit are inserted into and fixed with four sides of a fixed structure, the upper end of the foundation pit is provided with a cross groove, the cross groove can be placed into a cross fixing plate, the lower end of the cross fixing plate is fixedly connected with a positioning column, the positioning column is inserted into the center of the foundation pit, a fixing mechanism is arranged in the positioning column, the cross fixing plate is fixed on the foundation pit through the fixing mechanism, a moving mechanism is arranged in the cross fixing plate, the device is provided with a telescopic pushing mechanism, a moving mechanism, a fixed three-way column and a clamping mechanism, the foundation pit supporting device can be rapidly applied to foundation pit supporting of a large range, the construction time of workers is greatly shortened, the labor force of the workers is reduced, the efficiency of constructing the supporting device is increased, the foundation pit can be stably supported, the turbine worm can be assisted to clamp the moving mechanism, strong thrust is provided for the walls of the foundation pit, and collapse of the foundation pit is prevented.

Description

Foundation pit supporting device and foundation pit supporting method
Technical Field
The invention relates to the technical field of foundation pit support, in particular to a foundation pit support device and a foundation pit support method.
Background
At present, a foundation pit is a soil pit excavated at a foundation design position according to a substrate elevation and a foundation plane size, and after the foundation pit is excavated, the foundation pit is required to be supported by a supporting system, wherein the supporting system of the foundation pit is an essential ring for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment so as to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.
The existing foundation pit supporting system is generally composed of a bottom plate arranged at the bottom of a foundation pit and side plates arranged on the side walls of the foundation pit, the side plates are obliquely arranged along the side walls of the foundation pit, each side plate is composed of a plurality of adjacent supporting plates, when the side walls of the foundation pit are supported, each supporting plate needs to be fixedly arranged on the side walls of the foundation pit, and then the adjacent side plates are welded together, so that the side walls are supported.
With respect to the related art described above, the inventors consider that there is a defect in that the attachment and detachment of the side plates are inconvenient.
The invention patent with the application number of CN202210339054.5 and the patent name of foundation pit supporting system and supporting method solves the problems, but the following problems still exist in the technology:
first: when being used for the foundation ditch support of different size scope, this scheme needs redesign backplate to adapt to the size of this foundation ditch, and it is fixed to splice again, greatly increased workman's engineering time, increase workman's labour and seriously influence the efficiency of building strutting arrangement.
Second,: because the soil property of foundation ditch is softer, just install the bottom plate in the foundation ditch also can lead to the chassis unstable easily and cause the subsidence of whole device, does not have location structure moreover when the installation, and support device can take place the skew, and then causes the skew of holding power, very big reduction support foundation ditch's stability.
Third,: the center of the single support plate assembled together is pushed by the extrusion blocks with smaller contact areas, so that the support is unstable and even the line of defense of the support plate is damaged when strong pressure occurs around, and the assembly of a plurality of support plates and various support structures is time-consuming and labor-consuming, so that the installation efficiency is greatly reduced.
Fourth,: the structure of this scheme is all exposed in the external world, can lead to the fact the damage to its inner structure when raining or adverse condition, reduces life, increases the expenditure cost.
Therefore, there is a need to design a foundation pit supporting device and a foundation pit supporting method that solve the above problems.
Disclosure of Invention
The invention aims to provide a foundation pit supporting device and a foundation pit supporting method, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a foundation ditch strutting arrangement, includes the foundation ditch, still includes cross fixed plate, mobile mechanism, fixed establishment, flexible pushing mechanism, chucking mechanism and location three-dimensional post, the four corners of foundation ditch is inserted and is fixed with fixed knot all around, the upper end of foundation ditch is equipped with cross groove and this cross groove and can puts into the cross fixed plate, the lower extreme fixed connection reference column of cross fixed plate, the reference column inserts in the foundation ditch center and is equipped with fixed establishment in the reference column inside, the cross fixed plate passes through fixed establishment to be fixed on the foundation ditch, be equipped with mobile mechanism in the cross fixed plate, the upper end fixed connection fixed column of cross fixed plate, the outside of fixed column is equipped with a plurality of evenly distributed's fixed sleeve, it has the telescopic link to slide in the fixed sleeve and is equipped with chucking mechanism between fixed sleeve and telescopic link, the one end fixed connection push pedal of keeping away from the fixed column of telescopic link, be equipped with flexible pushing mechanism in the push pedal, the one end of flexible pushing mechanism is equipped with the cardboard and with the recess joint of three-dimensional post, the lower extreme fixed connection mobile mechanism and the slip of push pedal on the fixed plate push plate pushes up a plurality of side wall and telescopic push pedal all on the foundation ditch.
Preferably, the fixed establishment includes the pneumatic cylinder, the upper end at the reference column is fixed to the pneumatic cylinder, the lower extreme of pneumatic cylinder is equipped with the pneumatic cylinder push rod, the lower extreme fixed connection drive plate of pneumatic cylinder push rod, the drive plate slides in the reference column, one side of drive plate is equipped with first connecting rod and second connecting rod, the middle section of first connecting rod and second connecting rod is articulated through the articulated pin, the both ends fixed connection reference column of articulated pin, the upper end of first connecting rod and second connecting rod all is equipped with the spacing groove, the sliding has the fixed pin in the spacing groove, fixed connection is at the both ends of drive plate, the one end of keeping away from the articulated pin of first connecting rod and second connecting rod all is equipped with the expansion plate, the both ends fixed connection second lug of expansion plate, the second lug slides in the reference column, the one end of expansion plate is equipped with a plurality of evenly distributed's spike, the spike inserts in the foundation ditch, the one end of keeping away from the spike of expansion plate is equipped with T type groove, the T type inslot has first connecting rod, second connecting rod and the inside articulated pin of first connecting rod is kept away from.
Preferably, the moving mechanism comprises a rotating motor, the rotating motor is fixed in a fixed column, the output end of the rotating motor is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the rotating motor, is rotationally connected with the fixed column, the outer side of the rotating shaft is fixedly connected with a rotating turbine, one side of the rotating turbine is meshed with the rotating shaft, the upper end of the rotating shaft is rotationally connected with the fixed column, the lower end of the rotating shaft is fixedly connected with a rotating disc, the rotating disc rotates in a cross fixed plate, a plurality of uniformly distributed curved grooves are formed in the rotating disc, a limiting pin is arranged in the curved grooves in a sliding mode, the lower end of the limiting pin is fixedly connected with an L-shaped sliding rod, the L-shaped sliding rod slides in the cross fixed plate, and one end, which is far away from the rotating disc, of the L-shaped sliding rod is fixedly connected with a pushing plate.
Preferably, the clamping mechanism comprises a cylinder, the cylinder is fixed in fixed sleeve, the one end of cylinder is equipped with the cylinder push rod, the one end contact gag lever post of keeping away from the cylinder of cylinder push rod, the inside rotation of one end of gag lever post is connected the rotation round pin, the fixed sleeve of both ends fixed connection of rotation round pin, the upside fixed connection spring of the one end of gag lever post that is close to the rotation round pin, the one end fixed connection fixed sleeve of keeping away from the gag lever post of spring, the one end card of keeping away from the rotation round pin of gag lever post is gone into in the spacing tooth, a plurality of evenly distributed the upper end at the telescopic link is established to the spacing tooth, the telescopic link slides in fixed sleeve, the downside fixed connection stopper of the one end of telescopic link that is close to fixed sleeve, the stopper slides in fixed sleeve.
Preferably, the telescopic pushing mechanism comprises a driving motor, the driving motor is fixed inside the upper end of the pushing plate, the output end of the driving motor is fixedly connected with a first belt pulley shaft, one end, far away from the driving motor, of the first belt pulley shaft is rotationally connected with the pushing plate, a first belt pulley is fixedly connected with the outer side of the first belt pulley, a belt is connected with the outer side of the first belt pulley in a meshed mode, one end, far away from the first belt pulley, of the belt is connected with a second belt pulley in a meshed mode, two ends of the second belt pulley are rotationally connected with the pushing plate, the upper side and the lower side of the belt are fixedly connected with a second fixing rod and a first fixing rod respectively, the lower ends of the first fixing rod and the second fixing rod are fixedly connected with a side plate, each side plate slides in the pushing plate, the sliding pin slides in a sliding groove, one end, far away from the side plate is fixedly connected with the pushing plate, and the pushing mechanism is arranged on the top surface of the foundation pit.
Preferably, the pushing mechanism comprises a rotating motor, the rotating motor is fixed in the side plate, the output end of the rotating motor is fixedly connected with a screw rod, the outer side of the screw rod is meshed with a top plate, the top plate slides in the side plate, two sides of the top plate are fixedly connected with first protruding blocks, the first protruding blocks slide in the side plate, and the top plate is propped against the foundation pit.
Preferably, worm teeth are arranged at the meshing position of the rotating shaft and the rotating turbine.
Preferably, the end part of the limiting rod is provided with a limiting thorn matched with the limiting teeth.
Preferably, the start and stop of the rotating motor, the driving motor, the hydraulic cylinder and the air cylinder are controlled by a remote controller.
A foundation pit supporting method comprises the following steps:
step one: inserting and fixing the three-way columns, inserting and fixing the three-way columns at four corners of the foundation pit, and fixing the three-way columns in the foundation pit through concrete;
step two: erecting a cross fixing plate in a foundation pit, firstly digging a groove adapting to the cross fixing plate in the foundation pit, and then placing the whole device in the cross groove;
step three: the device is fixed in the foundation pit, a worker can start the hydraulic cylinder through the remote controller to drive the hydraulic cylinder push rod to drive the first connecting rod and the second connecting rod to move in a crossing way, and the first connecting rod and the second connecting rod move in a crossing way to drive expansion plates at two sides to move outwards, so that the whole device is fixed in the foundation pit;
step four: the foundation pit is initially supported and limited, a worker can start a rotating motor through a remote controller to drive a rotating shaft to rotate, the rotating shaft rotates to drive a rotating disc to rotate, and the rotating disc rotates to drive an L-shaped sliding rod to move outwards so as to push a push plate to push against the inner wall of the foundation pit;
step five: the foundation pit is fully supported, a worker can start the driving motor through the remote controller to rotate to drive the first belt pulley shaft to rotate, so that side plates on two sides are driven to move outwards, clamping plates of the side plates at the moment can be inserted into grooves of the positioning three-way column, and then the worker can start the rotating motor through the remote controller to drive the screw rod to rotate to drive the top plate to move outwards and prop against the inner wall of the foundation pit.
Compared with the prior art, the invention has the beneficial effects that: the foundation pit supporting device and the foundation pit supporting method have the advantages compared with other inventions that:
1. the device is equipped with flexible pushing mechanism, moving mechanism, fixed three-way post and chucking mechanism, and the foundation ditch that is applicable to the scope size that can be quick is strutted, has shortened workman's engineering time greatly, reduces workman's labour and increases the efficiency of construction strutting arrangement to the support foundation ditch that can be stable, and chucking mechanism can assist turbine worm to carry out the chucking to moving mechanism, provides powerful thrust for the foundation ditch four walls, prevents that the foundation ditch from collapsing.
2. The device is equipped with cross fixed plate and fixed establishment, can increase the stability of strutting arrangement when setting up strutting arrangement in the soft foundation ditch of soil property, fixes a position through the rectangle reference column when the installation moreover for strutting arrangement can not take place the skew when setting up, very big increase the stability of strutting the foundation ditch.
3. The mechanism of the device is not exposed to the outside, so that the internal structure of the device is not damaged in raining or severe conditions, the service life is prolonged, and the expenditure cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a foundation pit supporting device according to the present invention;
FIG. 2 is a top view of a foundation pit supporting device of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 3;
FIG. 6 is a cross-sectional view taken at D-D of FIG. 4;
FIG. 7 is an enlarged view of a portion of FIG. 3 at E;
FIG. 8 is an enlarged view of a portion of FIG. 3 at F;
FIG. 9 is an enlarged view of a portion of FIG. 3 at G;
FIG. 10 is an enlarged view of a portion of FIG. 3 at H;
FIG. 11 is an enlarged view of a portion of FIG. 5 at I;
FIG. 12 is an enlarged view of a portion of the J of FIG. 4;
FIG. 13 is an enlarged view of a portion of FIG. 4 at K;
FIG. 14 is an enlarged view of a portion at L of FIG. 6;
FIG. 15 is an enlarged view of a portion at M of FIG. 9;
FIG. 16 is an enlarged view of a portion at N of FIG. 9;
FIG. 17 is an enlarged view of a portion of FIG. 9 at O;
fig. 18 is a main structural schematic diagram of a positioning three-way column of a foundation pit supporting device according to the present invention.
In the figure: 1. the foundation pit, 2, push plate, 3, cross fixed plate, 4, fixed column, 5, telescopic link, 6, fixed sleeve, 7, positioning three-way column, 8, clip, 9, side plate, 10, L-shaped slide bar, 11, rotation shaft, 12, rotation disk, 13, positioning column, 14, curved groove, 15, top plate, 16, spiral link, 17, rotation motor, 18, first bump, 19, rotation turbine, 20, rotation motor, 21, rotation shaft, 22, first fixed link, 23, slide pin, 24, chute, 25, driving motor, 26, first pulley, 27, belt, 28, first pulley, 29, second fixed link, 30, second pulley, 31, second pulley, 32, spacing tooth, 33, stopper, 34, cylinder, 35, cylinder push rod, 36, spacing lever, 37, spring, 38, rotation pin, 39, spacing pin, 40, hydraulic cylinder, 41, expansion plate, 42, spike, 43, hydraulic cylinder push rod, 44, driving plate, 45, first link, 46, second link, 47, 48, second link, 50, hinge pin, and clip groove, 52, clip groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-18, the present invention provides a technical solution:
the utility model provides a foundation ditch strutting arrangement, including foundation ditch 1, still include cross fixed plate 3, moving mechanism, fixed establishment, flexible pushing mechanism, chucking mechanism and location three-way post 7, the four corners of foundation ditch 1 is inserted and is fixed with fixed knot all around, the upper end of foundation ditch 1 is equipped with the cross groove and this cross groove can put into cross fixed plate 3, the lower extreme fixed connection reference column 13 of cross fixed plate 3, the reference column 13 inserts in the foundation ditch 1 center and is equipped with fixed establishment in reference column 13 inside, cross fixed plate 3 passes through fixed establishment and fixes on foundation ditch 1, be equipped with moving mechanism in the cross fixed plate 3, the upper end fixed connection fixed column 4 of cross fixed plate 3, the outside of fixed column 4 is equipped with a plurality of evenly distributed's fixed sleeve 6, it has telescopic link 5 and is equipped with chucking mechanism between fixed sleeve 6 and telescopic link 5 to slide in the fixed sleeve 6, the one end fixed connection push pedal 2 of keeping away from fixed column 4 of telescopic link 5, be equipped with flexible pushing mechanism in the push pedal 2, the one end of flexible pushing mechanism is equipped with cardboard 8 and with the recess joint push pedal 7 of locating three-way post, the lower extreme fixed connection moving mechanism of push pedal 2 and slip on cross fixed plate 3 pushes away from on a plurality of side wall 1 and all side walls of foundation ditch 1.
The fixing mechanism comprises a hydraulic cylinder 40, the hydraulic cylinder 40 is fixed at the upper end of a positioning column 3, the lower end of the hydraulic cylinder 40 is provided with a hydraulic cylinder push rod 43, the lower end of the hydraulic cylinder push rod 43 is fixedly connected with a driving plate 44, the driving plate 44 slides in the positioning column 13, one side of the driving plate 44 is provided with a first connecting rod 45 and a second connecting rod 46, the middle section of the first connecting rod 45 and the middle section of the second connecting rod 46 are hinged through a hinge pin 52, two ends of the hinge pin 52 are fixedly connected with the positioning column 13, the upper ends of the first connecting rod 45 and the second connecting rod 46 are respectively provided with a limiting groove 47, a fixing pin 48 is slid in the limiting grooves 47, the fixing pin 48 is fixedly connected at two ends of the driving plate 44, one ends of the first connecting rod 45 and one end of the second connecting rod 46, which are far away from the hinge pin 52, are respectively provided with an expansion plate 41, two ends of the expansion plate 41 are fixedly connected with a second bump 51, the second bump 51 slides in the positioning column 13, one end of the expansion plate 41 is provided with a plurality of evenly distributed spines 42, the spike 42 is inserted into the foundation pit 1, one end of the expansion plate 41 far away from the spike 42 is provided with a T-shaped groove 50, a first connecting rod 45, a second connecting rod 46 and a clamping pin 49 are arranged in the T-shaped groove 50 in a sliding manner, one ends of the first connecting rod 45 and the second connecting rod 46 far away from the hinge pin 52 are fixedly connected with the hinge pin 52, a worker can start the hydraulic cylinder 40 through a remote controller to drive the hydraulic cylinder push rod 43 to move to one end, the hydraulic cylinder push rod 43 to move to one end to drive the driving plate 44 to move to one end, the driving plate 44 to move to one end to drive the fixing pin 48 to move to one end, the fixing pin 48 to move to one end to drive the first connecting rod 45 and the second connecting rod 46 to move in a crossing manner, the first connecting rod 45 and the second connecting rod 46 to move in a crossing manner to drive the expansion plates 41 at two sides to move outwards, the expansion plates 41 at two sides move outwards to drive a plurality of uniformly distributed spikes 42 to be inserted into the foundation pit 1, the fixing mechanism function is completed.
The moving mechanism comprises a rotating motor 20, the rotating motor 20 is fixed in a fixed column 4, the output end of the rotating motor 20 is fixedly connected with a rotating shaft 21, one end of the rotating shaft 21 far away from the rotating motor 20 is rotationally connected with the fixed column 4, the outer side of the rotating shaft 21 is fixedly connected with a rotating turbine 19, one side of the rotating turbine 19 is meshed with a rotating shaft 11, the upper end of the rotating shaft 11 is rotationally connected with the fixed column 4, the lower end of the rotating shaft 11 is fixedly connected with a rotating disk 12, the rotating disk 12 rotates in a cross fixed plate 3, a plurality of uniformly distributed curved grooves 14 are arranged in the rotating disk 12, a limiting pin 39 is slidingly arranged in the curved grooves 14, the lower end of the limiting pin 39 is fixedly connected with an L-shaped sliding rod 10, the L-shaped sliding rod 10 is slidingly arranged in the cross fixed plate 3, the push plate 2 is fixedly connected to one end upside of the L-shaped slide bar 10 far away from the rotary disc 12, a worker can start the rotary motor 20 through the remote controller to drive the rotary shaft 21 to rotate, the rotary shaft 21 rotates to drive the rotary turbine 19 to rotate, the rotary turbine 19 rotates to drive the rotary shaft 11 to rotate, the rotary shaft 11 rotates to drive the rotary disc 12 to rotate, the rotary disc 12 rotates to drive a plurality of uniformly distributed curved grooves 14 to rotate, the plurality of uniformly distributed curved grooves 14 rotate to drive a plurality of uniformly distributed limiting pins 39 to move outwards, and the plurality of uniformly distributed limiting pins 39 move outwards to drive the corresponding L-shaped slide bar 10 to move outwards to drive the push plate 2 to move outwards and push against the side wall of the foundation pit 1, so that the function of a moving mechanism is completed.
The clamping mechanism comprises an air cylinder 34, the air cylinder 34 is fixed in a fixed sleeve 6, one end of the air cylinder 34 is provided with an air cylinder push rod 35, one end, far away from the air cylinder 34, of the air cylinder push rod 35 is contacted with a limiting rod 36, one end of the limiting rod 36 is internally connected with a rotating pin 38 in a rotating mode, two ends of the rotating pin 38 are fixedly connected with the fixed sleeve 6, an upper side, close to one end of the rotating pin 38, of the limiting rod 36 is fixedly connected with the fixed sleeve 6, one end, far away from the limiting rod 36, of the spring 37 is clamped into limiting teeth 32, a plurality of uniformly distributed limiting teeth 32 are arranged at the upper end of a telescopic rod 5, the telescopic rod 5 slides in the fixed sleeve 6, the lower side, close to one end of the fixed sleeve 6, of the telescopic rod 5 is fixedly connected with a limiting block 33, and the limiting block 33 slides in the fixed sleeve 6.
The telescopic pushing mechanism comprises a driving motor 25, the driving motor 25 is fixed inside the upper end of the push plate 2, the output end of the driving motor 25 is fixedly connected with a first belt pulley shaft 26, one end, far away from the driving motor 25, of the first belt pulley shaft 26 is rotationally connected with the push plate 2, the outer side of the first belt pulley shaft 26 is fixedly connected with a first belt pulley 28, the outer side of the first belt pulley 28 is meshed with a connecting belt 27, one end, far away from the first belt pulley 28, of the belt 27 is meshed with a second belt pulley 30, the inner side of the second belt pulley 30 is fixedly connected with a second belt pulley shaft 31, two ends of the second belt pulley shaft 31 are rotationally connected with the push plate 2, the upper side and the lower side of the belt 27 are respectively fixedly connected with a second fixed rod 29 and a first fixed rod 22, the lower ends of the first fixed rod 22 and the second fixed rod 29 are fixedly connected with side plates 9, each side plate 9 slides in the push plate 2, the middle parts of the first fixed rod 22 and the second fixed rod 29 are fixedly connected with sliding pins 23, the sliding pins 23 slide in sliding grooves 24, the sliding grooves 24 are symmetrically arranged in the push plate 2, one ends of the side plates 9 are fixedly connected with the top plate 8, and the top clamping plate mechanism is fixedly arranged on the surface of the side plate 2, and the top clamping plate mechanism is fixedly connected with the top surface of the side plate 1.
The pushing mechanism comprises a rotating motor 17, the output end of the rotating motor 17 is fixedly connected with a screw rod 16, the outer side of the screw rod 16 is meshed with a top plate 15, the top plate 15 slides in the side plate 9, two sides of the top plate 15 are fixedly connected with first convex blocks 18, the first convex blocks 18 slide in the side plate 9, the top plate 15 is propped against a foundation pit 1, a worker can start a driving motor 25 through a remote controller to rotate to drive a first belt pulley shaft 26 to rotate, the first belt pulley shaft 26 rotates to drive a first belt pulley 28 to rotate, the first belt pulley 28 rotates to drive a belt 27 to move, the belt 27 moves to drive a second belt pulley 30 to rotate, the belt 27 moves to drive a first fixing rod 22 and a second fixing rod 29 to move outwards, the first fixing rod 22 and the second fixing rod 29 move outwards to drive the side plates 9 on two sides to move outwards, at the moment, a clamping plate 8 of the side plate 9 can be inserted into a groove of a positioning three-way column 7, then the worker can start the rotating motor 17 through the remote controller to drive the screw rod 16 to rotate to drive the screw rod 16 to drive the top plate 15 to move outwards and prop against the inner wall of the foundation pit 1, and the pushing mechanism is completed.
The engagement of the rotating shaft 11 and the rotating turbine 19 is provided with worm teeth, so that the function of the moving mechanism can be achieved. The end of the stop lever 36 is provided with a stop thorn which is matched with the stop tooth 32, so that the function of the clamping mechanism can be completed. The starting and stopping of the rotating motor 17, the rotating motor 20, the driving motor 25, the hydraulic cylinder 40 and the air cylinder 34 are controlled by a remote controller, so that the degree of automation is increased, the labor force of workers is reduced, and the construction supporting efficiency is improved.
A foundation pit supporting method comprises the following steps:
step one: inserting and fixing the three-way columns 7, inserting and fixing the three-way columns 7 at four corners of the foundation pit and fixing the three-way columns in the foundation pit through concrete;
step two: erecting a cross fixing plate 3 in a foundation pit 1, firstly digging a groove adapting to the cross fixing plate 3 in the foundation pit, and then placing the whole device in the cross groove;
step three: the device is fixed in the foundation pit 1, a worker can start the hydraulic cylinder 40 through a remote controller to drive the hydraulic cylinder push rod 43 to drive the first connecting rod 45 and the second connecting rod 46 to move in a cross mode, the first connecting rod 45 and the second connecting rod 46 move in a cross mode to drive expansion plates 41 on two sides to move outwards, so that the whole device is fixed in the foundation pit 1, the worker can start the hydraulic cylinder 40 through the remote controller to drive the hydraulic cylinder push rod 43 to move towards one end, the hydraulic cylinder push rod 43 to move towards one end to drive the driving plate 44 to move towards one end, the driving plate 44 to move towards one end to drive the fixing pin 48 to move towards one end, the fixing pin 48 to move towards one end to drive the first connecting rod 45 and the second connecting rod 46 to move in a cross mode, the first connecting rod 45 and the second connecting rod 46 move in a cross mode to drive the expansion plates 41 on two sides to move outwards, and the expansion plates 41 on two sides move outwards to drive a plurality of evenly distributed spikes 42 to be inserted into the foundation pit 1, and the function of the fixing mechanism is completed;
step four: the foundation pit 1 is initially supported and limited, the worker can start the rotation motor 20 through the remote controller to drive the rotation shaft 21 to rotate, the rotation shaft 21 rotates to drive the rotary disk 12 to rotate, the rotary disk 12 rotates to drive the L-shaped slide rod 10 to move outwards to push the push plate 2 to prop against the inner wall of the foundation pit 1, the worker can start the rotation motor 20 through the remote controller to drive the rotation shaft 21 to rotate to drive the rotation turbine 19 to rotate, the rotation turbine 19 rotates to drive the rotation shaft 11 to rotate, the rotation shaft 11 rotates to drive the rotary disk 12 to rotate, the rotary disk 12 rotates to drive a plurality of evenly distributed curved grooves 14 to rotate, the plurality of evenly distributed curved grooves 14 rotate to drive a plurality of evenly distributed limiting pins 39 to move outwards, the plurality of evenly distributed limiting pins 39 move outwards to drive the corresponding L-shaped slide rod 10 to move outwards to drive the push plate 2 to move outwards and prop against the side wall of the foundation pit 1, and the moving mechanism function is completed.
Step five: the foundation pit 1 is fully supported, the worker can turn on the driving motor 25 through the remote controller to rotate and drive the first belt pulley shaft 26 to rotate, thereby drive the lateral plates 9 on both sides to outwards move, the clamping plates 8 of the lateral plates 9 at this moment can be inserted into the grooves of the positioning three-way column 7, then the worker can turn on the rotating motor 17 through the remote controller to drive the screw rod 16 to rotate so as to drive the top plate 15 to outwards move and prop against the inner wall of the foundation pit 1, the worker can turn on the driving motor 25 through the remote controller to rotate and drive the first belt pulley shaft 26 to rotate, the first belt pulley shaft 26 is driven to rotate, the first belt pulley shaft 28 is driven to rotate and drive the belt 27 to move, the belt 27 is driven to rotate and drive the second belt pulley 30 to rotate, the belt 27 is driven to outwards move the first fixing rod 22 and the second fixing rod 29, the first fixing rod 22 and the second fixing rod 29 are outwards moved so as to drive the lateral plates 9 on both sides to outwards move, the clamping plates 8 of the lateral plates 9 at this moment can be inserted into the grooves of the positioning column 7, then the worker can turn on the rotating motor 17 through the remote controller to drive the screw rod 16 to rotate so as to drive the screw rod 16 to rotate and drive the 15 to outwards move and prop against the inner wall of the foundation pit 1, and the telescopic mechanism is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a foundation ditch strutting arrangement, includes foundation ditch (1), its characterized in that: still include cross fixed plate (3), shifter, fixed establishment, flexible pushing mechanism, chucking mechanism and location three-way post (7), the four corners of foundation ditch (1) is inserted and is fixed with fixed knot all around, the upper end of foundation ditch (1) is equipped with cross groove and this cross groove can put into cross fixed plate (3), the lower extreme fixed connection reference column (13) of cross fixed plate (3), fixed establishment is equipped with in the reference column (13) in the center of foundation ditch (1) just in reference column (13), cross fixed plate (3) are fixed on foundation ditch (1) through fixed establishment, be equipped with shifter in cross fixed plate (3), the upper end fixed connection fixed column (4) of cross fixed plate (3), the outside of fixed column (4) is equipped with a plurality of evenly distributed's fixed sleeve (6), fixed sleeve (6) have telescopic link (5) and are equipped with the fixed knot constructs between fixed sleeve (6) and telescopic link (5), the fixed connection push pedal (2) that keep away from of telescopic link (5) and fixed knot fixed connection push pedal (2) and fixed connection 3, the one end of telescopic link (2) is equipped with in the fixed connection push pedal (8) and fixed connection three-way (7) in the fixed connection with the fixed push pedal (2), the pushing plates (2) and the telescopic pushing mechanisms are propped against the side wall of the foundation pit (1).
2. A foundation pit supporting device according to claim 1, wherein: the fixing mechanism comprises a hydraulic cylinder (40), the hydraulic cylinder (40) is fixed at the upper end of a positioning column (3), a hydraulic cylinder push rod (43) is arranged at the lower end of the hydraulic cylinder (40), a driving plate (44) is fixedly connected to the lower end of the hydraulic cylinder push rod (43), the driving plate (44) slides in the positioning column (13), a first connecting rod (45) and a second connecting rod (46) are arranged at one side of the driving plate (44), the middle sections of the first connecting rod (45) and the second connecting rod (46) are hinged through a hinge pin (52), the two ends of the hinge pin (52) are fixedly connected with the positioning column (13), limit grooves (47) are formed in the upper ends of the first connecting rod (45) and the second connecting rod (46), fixing pins (48) are fixedly connected to the two ends of the driving plate (44), expansion plates (41) are arranged at one ends, far away from the hinge pin (52), of the first connecting rod (45) and the second connecting rod (46) are uniformly distributed in the two ends of the expansion plates (41) which are inserted into the foundation pit (42), one end of the expansion plate (41) far away from the spine (42) is provided with a T-shaped groove (50), a first connecting rod (45), a second connecting rod (46) and a clamping pin (49) are arranged in the T-shaped groove (50) in a sliding mode, and one end, far away from the hinge pin (52), of the first connecting rod (45) and the second connecting rod (46) is fixedly connected with the hinge pin (52) inside.
3. A foundation pit supporting device according to claim 1, wherein: the moving mechanism comprises a rotating motor (20), the rotating motor (20) is fixed in a fixed column (4), the output end of the rotating motor (20) is fixedly connected with a rotating shaft (21), one end of the rotating shaft (21) far away from the rotating motor (20) is rotationally connected with the fixed column (4), the outer side of the rotating shaft (21) is fixedly connected with a rotating turbine (19), one side of the rotating turbine (19) is meshed with a rotating shaft (11), the upper end of the rotating shaft (11) is rotationally connected with the fixed column (4), the lower end of the rotating shaft (11) is fixedly connected with a rotating disc (12), the rotating disc (12) is rotated in a cross fixed plate (3), a plurality of uniformly distributed bent grooves (14) are formed in the rotating disc (12), limiting pins (39) are slidably arranged in the bent grooves (14), the lower ends of the limiting pins (39) are fixedly connected with L-shaped sliding rods (10), and one ends of the L-shaped sliding rods (10) far away from the rotating disc (12) are fixedly connected with a push plate (2).
4. A foundation pit supporting device according to claim 1, wherein: the clamping mechanism comprises a cylinder (34), the cylinder (34) is fixed in a fixed sleeve (6), one end of the cylinder (34) is provided with a cylinder push rod (35), one end of the cylinder push rod (35) away from the cylinder (34) contacts a limiting rod (36), a rotating pin (38) is connected with one end of the limiting rod (36) in a rotating mode, two ends of the rotating pin (38) are fixedly connected with the fixed sleeve (6), an upper side fixedly connected spring (37) of one end, close to the rotating pin (38), of the limiting rod (36), one end, away from the limiting rod (36), of the spring (37) is fixedly connected with the fixed sleeve (6), one end, away from the rotating pin (38), of the limiting rod (36) is clamped into limiting teeth (32), a plurality of uniformly distributed limiting teeth (32) are arranged at the upper end of the telescopic rod (5), the telescopic rod (5) slides in the fixed sleeve (6), and the lower side, close to one end, close to the fixed sleeve (6), of the telescopic rod (5), is fixedly connected with the limiting block (33).
5. A foundation pit supporting device according to claim 1, wherein: the telescopic pushing mechanism comprises a driving motor (25), the driving motor (25) is fixed inside the upper end of the push plate (2), the output end of the driving motor (25) is fixedly connected with a first belt pulley shaft (26), one end, far away from the driving motor (25), of the first belt pulley shaft (26) is rotationally connected with the push plate (2), the outer side of the first belt pulley shaft (26) is fixedly connected with a first belt pulley (28), the outer side of the first belt pulley (28) is meshed with a connecting belt (27), one end, far away from the first belt pulley (28), of the belt (27) is meshed with a second belt pulley (30), the inner part of the second belt pulley shaft (31) is fixedly connected with a second belt pulley shaft (31), two ends of the second belt pulley shaft (31) are rotationally connected with the push plate (2), one side, close to one end of the second belt pulley (30) and the first belt pulley (28), of the second belt pulley shaft (29) is fixedly connected with a first fixing rod (22), one end, close to the second belt pulley (29) is fixedly connected with the second belt pulley (29) and the second belt pulley (29) is fixedly connected with the second belt pulley (29), one end is fixedly connected with the second belt pulley (29) and the second belt pulley (29) through a sliding pin (9), the sliding pin (23) slides in the sliding groove (24), the sliding groove (24) is symmetrically arranged in the pushing plate (2), one end, far away from the pushing plate (2), of the side plate (9) is fixedly connected with the clamping plate (8), a pushing mechanism is arranged in the side plate (9), and the pushing mechanism is propped against the surface of the foundation pit (1).
6. A pit supporting device according to claim 5, wherein: the pushing mechanism comprises a rotating motor (17), the rotating motor (17) is fixed in a side plate (9), the output end of the rotating motor (17) is fixedly connected with a screw rod (16), the outer side of the screw rod (16) is meshed with a top plate (15), the top plate (15) slides in the side plate (9), two sides of the top plate (15) are fixedly connected with first protruding blocks (18), the first protruding blocks (18) slide in the side plate (9), and the top plate (15) is propped against a foundation pit (1).
7. A pit supporting device according to claim 3, wherein: and worm teeth are arranged at the meshing position of the rotating shaft (11) and the rotating turbine (19).
8. A pit supporting device according to claim 4, wherein: and a limiting thorn matched with the limiting tooth (32) is arranged at the end part of the limiting rod (36).
9. A pit supporting device according to any one of claims 2-6, wherein: the starting and stopping of the rotating motor (17), the rotating motor (20), the driving motor (25), the hydraulic cylinder (40) and the air cylinder (34) are controlled by a remote controller.
10. A method of pit support according to any one of claims 1 to 9, wherein: the method comprises the following steps:
step one: inserting and fixing three-way columns (7), and inserting and fixing the three-way columns (7) at four corners of the foundation pit and fixing the three-way columns in the foundation pit through concrete;
step two: erecting a cross fixing plate (3) in a foundation pit (1), digging a groove adapting to the cross fixing plate (3) in the foundation pit, and then placing the whole device in the cross groove;
step three: the device is fixed in a foundation pit (1), a worker can start a hydraulic cylinder (40) through a remote controller to drive a hydraulic cylinder push rod (43) to drive a first connecting rod (45) and a second connecting rod (46) to move in a crossing way, and the first connecting rod (45) and the second connecting rod (46) move in a crossing way to drive expansion plates (41) at two sides to move outwards, so that the whole device is fixed in the foundation pit (1);
step four: the foundation pit (1) is initially supported and limited, a worker can start a rotating motor (20) through a remote controller to drive a rotating shaft (21) to rotate, the rotating shaft (21) rotates to drive a rotating disc (12) to rotate, and the rotating disc (12) rotates to drive an L-shaped sliding rod (10) to move outwards so as to push a push plate (2) to prop against the inner wall of the foundation pit (1);
step five: fully support foundation ditch (1), the workman can open driving motor (25) through the remote controller and rotate and drive first belt pulley axle (26) and rotate to drive curb plate (9) outside removal of both sides, cardboard (8) of curb plate (9) this moment can insert in the recess of location three-dimensional post (7), then the workman can rethread remote controller open rotating electrical machines (17) drive hob (16) and rotate thereby drive roof (15) outside removal and top on foundation ditch (1) inner wall.
CN202310374449.3A 2023-04-10 2023-04-10 Foundation pit supporting device and foundation pit supporting method Pending CN116657611A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310374449.3A CN116657611A (en) 2023-04-10 2023-04-10 Foundation pit supporting device and foundation pit supporting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310374449.3A CN116657611A (en) 2023-04-10 2023-04-10 Foundation pit supporting device and foundation pit supporting method

Publications (1)

Publication Number Publication Date
CN116657611A true CN116657611A (en) 2023-08-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310374449.3A Pending CN116657611A (en) 2023-04-10 2023-04-10 Foundation pit supporting device and foundation pit supporting method

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117966758A (en) * 2024-04-01 2024-05-03 中铁建工集团第二建设有限公司 Excavation side slope pre-reinforcement pile wall supporting structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117966758A (en) * 2024-04-01 2024-05-03 中铁建工集团第二建设有限公司 Excavation side slope pre-reinforcement pile wall supporting structure
CN117966758B (en) * 2024-04-01 2024-06-07 中铁建工集团第二建设有限公司 Excavation side slope pre-reinforcement pile wall supporting structure

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