CN115233699B - Foundation pit support device and application method thereof - Google Patents
Foundation pit support device and application method thereof Download PDFInfo
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- CN115233699B CN115233699B CN202211041423.9A CN202211041423A CN115233699B CN 115233699 B CN115233699 B CN 115233699B CN 202211041423 A CN202211041423 A CN 202211041423A CN 115233699 B CN115233699 B CN 115233699B
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 238000001125 extrusion Methods 0.000 claims abstract description 34
- 239000002689 soil Substances 0.000 claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering 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)
- Earth Drilling (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a foundation pit enclosure device and a use method thereof, wherein the foundation pit enclosure device comprises a coaming, a positioning mechanism, a reinforcing mechanism and a connecting mechanism, the positioning mechanism comprises two inserting columns, the bottom ends of the inserting columns are fixedly connected with inserting blocks, the reinforcing mechanism comprises a plurality of inserting rods, lifting rods and an extrusion head, a plurality of groups of first movable holes are formed in the bottoms of the outer walls of the inserting columns at intervals, the inserting rods are respectively and movably inserted into the inner walls of the first movable holes, a second movable hole is formed in the inserting columns, the lifting rods are movably inserted into the inner walls of the second movable holes, and the extrusion head is fixedly connected with the bottom ends of the lifting rods. According to the invention, the lifting rod, the extrusion head and the plurality of inserting rods are arranged, the lifting rod moves downwards in the inserting column to enable the extrusion head to extrude the plurality of inserting rods, so that the plurality of inserting rods are inserted into the first movable holes and transversely inserted into soil, and therefore transverse resistance is applied to longitudinal movement of the inserting blocks, the inserting blocks are not easy to separate from the soil, collapse of the coaming is avoided, and the stability of the coaming in use is improved.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a foundation pit bracing device and a using method thereof.
Background
In the building engineering, after the foundation pit is excavated, the coaming is required to be distributed on the side of the foundation pit, the side of the foundation pit is prevented from collapsing through the coaming, most of the current coaming is inserted into the soil through the conical insertion blocks below the coaming, but after the insertion blocks are inserted into the soil, only the longitudinal friction force is used for positioning the insertion blocks in the soil, so that when the coaming is used for a long time, the holes of the insertion blocks, which are caused by shaking, are enlarged, the friction force born by the insertion blocks is reduced, the phenomenon that the insertion blocks are separated from the soil exists, and therefore the coaming collapses, and the stability of the coaming is reduced.
Disclosure of Invention
The invention aims to provide a foundation pit bracing device and a use method thereof, 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: a foundation pit bracing device comprising:
the two coamings are arranged, the front faces of the two coamings are provided with supporting mechanisms, and a waterproof mechanism is arranged between the two coamings;
the positioning mechanisms are provided with two groups, the two groups of positioning mechanisms are respectively arranged on the back surfaces of the two coamings, each positioning mechanism comprises two inserted columns, an installation mechanism is arranged between each inserted column and each coaming, and the bottom ends of the inserted columns are fixedly connected with inserted blocks;
the reinforcing mechanism is provided with a plurality of groups, the plurality of groups of reinforcing mechanisms are respectively arranged at the bottoms of the inserting posts, the reinforcing mechanism comprises a plurality of inserting rods, lifting rods and extrusion heads, a plurality of groups of first movable holes are formed in the bottoms of the outer walls of the inserting posts at intervals, the number of one group of first movable holes is a plurality of, the first movable holes are arranged in an annular array, the inserting rods are respectively and movably inserted into the inner walls of the first movable holes, the outer walls of the inserting rods are respectively provided with a first reset mechanism, second movable holes are formed in the inserting posts, the lifting rods are movably inserted into the inner walls of the second movable holes, the outer walls of the lifting rods are provided with a second reset mechanism, the extrusion heads are fixedly connected to the bottom ends of the lifting rods, and the extrusion heads are in conical shapes;
the connecting mechanism is arranged between two adjacent inserted posts.
Preferably, the first reset mechanism comprises a first movable cavity, a first limiting ring and a first spring, the first movable cavity is formed in the inner wall of the first movable hole, the first limiting ring is slidably connected to the inner wall of the first movable hole, the first limiting ring is fixedly sleeved on the outer wall of the inserted link, the first spring is arranged on one side of the first limiting ring, and the first spring is sleeved on the outer wall of the inserted link.
Preferably, the second reset mechanism comprises a second movable cavity, a second limiting ring and a second spring, the second movable cavity is arranged on the inner wall of the second movable hole, the outer wall of the second limiting ring is slidably connected with the inner wall of the second movable cavity, the second limiting ring is fixedly sleeved on the outer wall of the lifting rod, the second spring is arranged at the bottom end of the second limiting ring, and the second spring is sleeved on the outer wall of the lifting rod.
Preferably, the connecting mechanism comprises a clamping plate, clamping grooves are formed in the top ends of the inserting columns, the clamping plate is movably inserted and connected to the inner walls of two adjacent clamping grooves, limiting blocks are fixedly connected to two sides of the clamping plate, the width of each limiting block is larger than that of each clamping groove, a limiting mechanism is arranged between each limiting block and each inserting column, and a guiding mechanism is arranged between each clamping plate and each lifting rod.
Preferably, the limiting mechanism comprises two positioning rods and positioning holes, two third movable holes are formed in one side of the limiting block, two positioning rods are respectively and movably inserted and connected to the inner walls of the two third movable holes, two positioning holes are respectively formed in one side of the inserted column and are located at two side positions of the clamping groove, two outer walls of the positioning rods are respectively and movably inserted and connected with the inner walls of the two positioning holes, an extrusion mechanism is arranged between each positioning rod and the limiting block, and a synchronous mechanism is arranged between each two adjacent positioning rods.
Preferably, the extrusion mechanism comprises a third movable cavity, a third limiting ring and a third spring, wherein the third movable cavity is arranged on one side of the inner wall of the third movable hole, the outer wall of the third limiting ring is in sliding connection with the inner wall of the third movable cavity, the third limiting ring is fixedly sleeved on the outer wall of the positioning rod, the third spring is arranged on one side of the third limiting ring, and the third spring is sleeved on the outer wall of the positioning rod;
the synchronous mechanism comprises a connecting pulling plate and a connecting hole, the connecting hole is formed in one side of the inner wall of the third movable cavity, and one ends of the two positioning rods penetrate through the connecting hole at the corresponding position and are fixedly connected with two ends of the connecting pulling plate.
Preferably, the guiding mechanism comprises a limiting rod and a limiting hole, the inside of the clamping groove is communicated with the inside of the second movable hole, the top end of the lifting rod sequentially penetrates through the second movable hole and the inside of the clamping groove and is fixedly connected with the bottom end of the limiting rod, the limiting hole is formed in the top end of the clamping plate, the outer wall of the limiting rod is movably inserted and connected with the inner wall of the limiting hole, and the aperture of the limiting hole is smaller than the diameter of the lifting rod.
Preferably, the mounting mechanism comprises a connecting plate, connecting plate fixed connection is in one side of inserting the post, a plurality of jacks have been seted up to the front of connecting plate, and is a plurality of the equal activity of inner wall of jack is threaded and is connected with the bolt, a plurality of screw holes have been seted up to the back of bounding wall, a plurality of the outer wall of bolt respectively with the inner wall threaded connection of a plurality of screw holes, a plurality of countersunk holes have been seted up to the back of connecting plate, a plurality of the equal fixedly connected with knob of one end of bolt, a plurality of the knob is the activity respectively threaded and is connected in the inner wall of a plurality of countersunk holes.
Preferably, the waterproof mechanism comprises a connecting groove and a connecting strip, the connecting groove is formed in one side of the coaming, the connecting strip is fixedly connected to the other side of the coaming, and the outer wall of the connecting strip at the adjacent position is movably inserted and connected with the inner wall of the connecting groove;
the supporting mechanism comprises a supporting bottom plate and a plurality of triangular reinforcing plates, wherein the supporting bottom plate is fixedly connected to the bottom of the front face of the coaming, the back faces of the triangular reinforcing plates are fixedly connected with the front face of the coaming, and the bottom ends of the triangular reinforcing plates are fixedly connected with the top end of the supporting bottom plate.
The invention also provides a using method of the foundation pit bracing device, which comprises the following steps:
step one: after the foundation pit is excavated, picking up one coaming and vertically placing the coaming at the side of the foundation pit, then moving the coaming downwards to enable two inserting posts at the back of the coaming to drive corresponding inserting blocks to be inserted into soil, at the moment, picking up the other coaming again, inserting connecting strips on the coaming into the inner wall of a connecting groove of the former coaming, moving the coaming downwards to enable the two inserting posts at the back of the coaming to drive the corresponding inserting blocks to be inserted into the soil, repeating the operation, fixing a plurality of coamings at the side of the foundation pit and enabling the adjacent coamings to be contacted;
step two: the clamping plate is lifted, the connecting pulling plates at two sides of the clamping plate are pulled, the connecting pulling plates drive the adjacent two positioning rods to synchronously move, the positioning rods drive the third limiting rings to move while moving, so that the third springs are extruded by the third limiting rings until the positioning rods completely submerge into the third movable holes, the clamping plate is moved at the moment, the clamping plate is aligned with the two clamping grooves on the adjacent two inserting posts, the clamping plate is moved downwards, so that the limiting rods at the top ends of the lifting rods are inserted into the corresponding limiting holes on the clamping plate, the clamping plate is continuously moved downwards, so that the bottom ends of the clamping plate prop against the top ends of the lifting rods, the lifting rods are driven to move downwards along with the downward movement of the clamping plate, the lifting rods move downwards to drive the second limiting rings to move downwards, the second springs are extruded, meanwhile, the lifting rods move downwards to drive the extrusion heads at the bottom ends of the lifting rods to move downwards, so that the outer walls of conical surfaces of the extrusion heads are contacted with the arc surfaces at one ends of the inserting rods, and the lower movement of the extrusion heads along with the downward movement of the extrusion heads, the inserted bar is extruded for the inserted bar moves to keeping away from extrusion head direction, drives first spacing ring and removes when the inserted bar removes, first spacing ring removes and makes first spring compressed, along with the removal of inserted bar, make the inserted bar stretch out first movable hole, the inserted bar that stretches out simultaneously is inserted in the earth of inserted bar outer wall along its pointed end, until the cardboard clamps completely in two draw-in grooves, the locating lever aligns with corresponding locating hole this moment, loosen two connection arm-tie, make the third spring extrude the third spacing ring, thereby make the locating bar remove to reset, make the locating bar insert in the locating hole that corresponds, at this moment, clip two adjacent inserted posts and fix a position it through two stoppers, the locating hole is spacing the locating bar, make the cardboard vertically by spacing, thereby make the cardboard fix a position the lifter, make a plurality of inserted bars insert in soil steadily.
The invention has the technical effects and advantages that:
according to the invention, the lifting rod, the extrusion head and the plurality of inserting rods are utilized, after the inserting posts drive the inserting blocks to be inserted into soil, the lifting rod moves downwards in the inserting posts to enable the extrusion head to extrude the plurality of inserting rods, so that the plurality of inserting rods are inserted into the first movable holes and transversely inserted into the soil, and therefore a transverse resistance is applied to the longitudinal movement of the inserting blocks, the inserting blocks are not easy to separate from the soil, the collapse of the coaming is avoided, and the use stability of the coaming is improved;
according to the invention, by means of the arrangement of the clamping plate and the two limiting blocks, after the clamping plate is clamped into the two clamping grooves, the two limiting blocks clamp the two adjacent inserting posts, and the positioning rods in the limiting blocks are inserted into the positioning holes in the inserting posts, so that the two adjacent coamings are stably connected, and meanwhile, the clamping plate can downwards press the lifting rod and position the lifting rod, so that the inserting rod extruded by the extrusion head cannot automatically reset, and is stably inserted into soil, and the stability of the coamings and the inserting rod in use is improved;
according to the invention, the third limiting ring and the third spring are arranged, and the third spring is positioned through the third movable cavity, so that the third spring always acts on the third limiting ring to have extrusion force, and therefore, the positioning rod can be stably inserted into the positioning hole when the positioning rod is not subjected to larger external force, the use stability of the positioning rod is improved, and the positioning stability of the clamping plate in the clamping groove is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic perspective view of a plug according to the present invention.
FIG. 3 is a schematic view of a front partial cross-sectional structure of a post according to the present invention.
Fig. 4 is a schematic view of a partial enlarged structure at a of fig. 3 according to the present invention.
Fig. 5 is a schematic view of a partial enlarged structure at B of fig. 1 according to the present invention.
FIG. 6 is a schematic view of a cross-sectional view of a stopper according to the present invention.
FIG. 7 is a schematic view of a cross-sectional structure of a connecting plate according to the present invention.
In the figure: 1. coaming plate; 11. inserting a column; 12. inserting blocks; 2. a first movable hole; 21. a rod; 22. a second movable hole; 23. a lifting rod; 24. an extrusion head; 3. a first movable chamber; 31. a first stop collar; 32. a first spring; 4. a second movable chamber; 41. a second limiting ring; 42. a second spring; 5. a clamping plate; 51. a clamping groove; 52. a limiting block; 53. a third movable hole; 54. a positioning rod; 55. positioning holes; 56. a third movable chamber; 57. a third limiting ring; 58. a third spring; 59. connecting a pulling plate; 6. a limit rod; 61. a limiting hole; 7. a connecting plate; 71. a jack; 72. a threaded hole; 73. a bolt; 74. a countersunk hole; 75. a knob; 8. a connecting groove; 81. a connecting strip; 9. a support base plate; 91. triangular reinforcing plates.
Description of the embodiments
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.
The invention provides a foundation pit enclosure device as shown in figures 1-7, which comprises two enclosing plates 1, a positioning mechanism, a reinforcing mechanism and a connecting mechanism, wherein the two enclosing plates 1 are provided, the front surfaces of the two enclosing plates 1 are respectively provided with a supporting mechanism, and a waterproof mechanism is arranged between the two enclosing plates 1;
the positioning mechanisms are provided with two groups, the two groups of positioning mechanisms are respectively arranged on the back surfaces of the two coamings 1, each positioning mechanism comprises two inserting columns 11, a mounting mechanism is arranged between each inserting column 11 and each coaming 1, the bottom ends of the inserting columns 11 are fixedly connected with inserting blocks 12, the inserting blocks 12 are driven by the inserting columns 11 to be inserted into the soil, and therefore the coamings 1 can be positioned on the side of a foundation pit;
the reinforcing mechanism is provided with a plurality of groups, the reinforcing mechanism comprises a plurality of inserting rods 21, lifting rods 23 and extrusion heads 24, the bottoms of the outer walls of the inserting rods 11 are provided with a plurality of groups of first movable holes 2 at intervals, the first movable holes 2 are arranged in an annular array, the inserting rods 21 are respectively and movably inserted into the inner walls of the first movable holes 2, the outer walls of the inserting rods 21 are respectively provided with a first reset mechanism, the inside of the inserting rods 11 is provided with a second movable hole 22, the lifting rods 23 are movably and alternately connected to the inner walls of the second movable holes 22, the outer walls of the lifting rods 23 are provided with a second reset mechanism, the extrusion heads 24 are fixedly connected to the bottom ends of the lifting rods 23, the extrusion heads 24 are conical, the inserting rods 11 are inserted into soil, and simultaneously the first movable holes 2 are all immersed into the soil, and the extrusion heads 24 are driven to move downwards through the lifting rods 23, so that the extrusion heads 24 extrude the inserting rods 21, namely the inserting rods 21 are enabled to move from the corresponding first movable holes 2 into the soil, and the soil is enabled to be inserted into the soil in the lateral direction, and the stability of the inserting rods 11 is improved;
the first reset mechanism comprises a first movable cavity 3, a first limiting ring 31 and a first spring 32, wherein the first movable cavity 3 is formed in the inner wall of a first movable hole 2, the first limiting ring 31 is connected to the inner wall of the first movable hole 2 in a sliding manner, the first limiting ring 31 is fixedly sleeved on the outer wall of the inserted rod 21, the first spring 32 is arranged on one side of the first limiting ring 31, the first spring 32 is sleeved on the outer wall of the inserted rod 21, the inserted rod 21 is inserted into soil and drives the first limiting ring 31 to move, the first spring 32 is extruded by the first limiting ring 31, if the extrusion head 24 does not extrude the inserted rod 21 any more, the inserted rod 21 is reset to be punched out from the soil under the elastic action of the first spring 32, if the friction force between the inserted rod 21 and the soil is too large, the inserted rod 11 can be moved up and down, so that the hole of the inserted rod 21 inserted into the soil is enlarged, and the inserted rod 21 can be reset automatically;
the second reset mechanism comprises a second movable cavity 4, a second limiting ring 41 and a second spring 42, the second movable cavity 4 is arranged on the inner wall of the second movable hole 22, the outer wall of the second limiting ring 41 is in sliding connection with the inner wall of the second movable cavity 4, the second limiting ring 41 is fixedly sleeved on the outer wall of the lifting rod 23, the second spring 42 is arranged at the bottom end of the second limiting ring 41, the second spring 42 is sleeved on the outer wall of the lifting rod 23, the lifting rod 23 moves downwards to drive the second limiting ring 41 to move downwards so that the second spring 42 is extruded, and when the lifting rod 23 is no longer subjected to the action of external force, the second spring 42 drives the lifting rod 23 to automatically rise to reset, so that the extrusion head 24 is reset;
the connecting mechanism is arranged between two adjacent inserting columns 11 and comprises a clamping plate 5, clamping grooves 51 are formed in the top ends of the inserting columns 11, the clamping plate 5 is movably inserted and connected to the inner walls of the two adjacent clamping grooves 51, limiting blocks 52 are fixedly connected to two sides of the clamping plate 5, the width of each limiting block 52 is larger than that of each clamping groove 51, a limiting mechanism is arranged between each limiting block 52 and each inserting column 11, a guiding mechanism is arranged between each clamping plate 5 and each lifting rod 23, the clamping plate 5 is inserted into the two clamping grooves 51, then the two adjacent inserting columns 11 are clamped by the two limiting blocks 52, and the two adjacent inserting columns 11 can be limited;
the limiting mechanism comprises two positioning rods 54 and positioning holes 55, one side of each limiting block 52 is provided with two third movable holes 53, the two positioning rods 54 are respectively and movably inserted into the inner walls of the two third movable holes 53, the two positioning holes 55 are respectively positioned at two sides of the clamping groove 51 on one side of the inserting column 11, the outer walls of the two positioning rods 54 are respectively and movably inserted into the inner walls of the two positioning holes 55, an extrusion mechanism is arranged between each positioning rod 54 and each limiting block 52, a synchronous mechanism is arranged between every two adjacent positioning rods 54, after the clamping plate 5 is completely clamped into the corresponding two clamping grooves 51, the clamping plate 5 extends out of the corresponding positioning holes 55 from the inside of the third movable holes 53 through the positioning rods 54, and the positioning holes 55 limit the positioning rods 54, so that the clamping plate 5 is stably clamped in the corresponding clamping grooves 51;
the extrusion mechanism comprises a third movable cavity 56, a third limiting ring 57 and a third spring 58, wherein the third movable cavity 56 is arranged on one side of the inner wall of the third movable hole 53, the outer wall of the third limiting ring 57 is in sliding connection with the inner wall of the third movable cavity 56, the third limiting ring 57 is fixedly sleeved on the outer wall of the positioning rod 54, the third spring 58 is arranged on one side of the third limiting ring 57, the third spring 58 is sleeved on the outer wall of the positioning rod 54, and the positioning rod 54 can be stably inserted into the corresponding positioning hole 55 under the action of no large external force through the elastic action of the third spring 58, so that the use stability of the positioning rod 54 is improved;
the synchronous mechanism comprises a connecting pull plate 59 and a connecting hole, the connecting hole is formed in one side of the inner wall of the third movable cavity 56, one end of each of the two positioning rods 54 penetrates through the connecting hole at the corresponding position and is fixedly connected with two end parts of the connecting pull plate 59, and the two adjacent positioning rods 54 can synchronously move through the arrangement of the connecting pull plate 59;
the guide mechanism comprises a limiting rod 6 and a limiting hole 61, the inside of a clamping groove 51 is communicated with the inside of a second movable hole 22, the top end of a lifting rod 23 sequentially penetrates through the inside of the second movable hole 22 and the inside of the clamping groove 51 and is fixedly connected with the bottom end of the limiting rod 6, the limiting hole 61 is formed in the top end of a clamping plate 5, the outer wall of the limiting rod 6 is movably inserted and connected with the inner wall of the limiting hole 61, the aperture of the limiting hole 61 is smaller than that of the diameter clamping plate 5 of the lifting rod 23 in the moving process of clamping the clamping plate 5 to two clamping grooves 51, the limiting rod 6 is inserted into the limiting hole 61, then the lifting rod 23 is extruded to move downwards along with the downward movement of the clamping plate 5, so that an extrusion head 24 moves downwards to extrude the inserting rod 21 until the clamping plate 5 is completely clamped into the clamping groove 51, and then the lifting rod 23 also descends to the maximum depth, and a positioning hole 55 is used for limiting the positioning rod 54, so that the clamping plate 5 is positioned on the lifting rod 23, and a plurality of inserting rods 21 are stably inserted into soil;
the mounting mechanism comprises a connecting plate 7, the connecting plate 7 is fixedly connected to one side of the inserted column 11, a plurality of insertion holes 71 are formed in the front surface of the connecting plate 7, bolts 73 are movably inserted and connected to the inner walls of the plurality of insertion holes 71, a plurality of threaded holes 72 are formed in the back surface of the coaming 1, the outer walls of the plurality of bolts 73 are respectively in threaded connection with the inner walls of the plurality of threaded holes 72, a plurality of countersunk holes 74 are formed in the back surface of the connecting plate 7, one ends of the plurality of bolts 73 are fixedly connected with knobs 75, and the plurality of knobs 75 are respectively movably inserted and connected to the inner walls of the plurality of countersunk holes 74;
the waterproof mechanism comprises a connecting groove 8 and a connecting strip 81, wherein the connecting groove 8 is formed in one side of the coaming 1, the connecting strip 81 is fixedly connected to the other side of the coaming 1, the outer wall of the connecting strip 81 at the adjacent position is movably inserted and connected with the inner wall of the connecting groove 8, a rubber pad is attached to the outer wall of the connecting strip 81, and the connecting strip 81 is arranged in an interference fit manner after being inserted into the connecting groove 8, so that the two adjacent coamings 1 can be sealed in an inserting manner, and further waterproof is performed;
the supporting mechanism includes supporting baseplate 9 and a plurality of triangle reinforcing plate 91, and supporting baseplate 9 fixed connection is in the positive bottom of bounding wall 1, and the back of a plurality of triangle reinforcing plate 91 all with the positive fixed connection of bounding wall 1, the bottom of a plurality of triangle reinforcing plate 91 all with supporting baseplate 9's top fixed connection, make bounding wall 1 place more stable through supporting baseplate 9 and triangle reinforcing plate 91, be difficult for appearing the phenomenon of collapsing, improved the stability that bounding wall 1 used.
The working principle of the invention is as follows:
after the foundation pit is excavated, taking up one coaming 1 and vertically placing the coaming 1 at the side of the foundation pit, then moving the coaming 1 downwards, so that two inserting posts 11 at the back of the coaming 1 drive corresponding inserting blocks 12 to be inserted into the soil, at the moment, taking up the other coaming 1 again, inserting connecting strips 81 on the coaming 1 into the inner wall of connecting grooves 8 of the previous coaming 1, moving the coaming 1 downwards, so that two inserting posts 11 at the back of the coaming 1 drive corresponding inserting blocks 12 to be inserted into the soil, repeating the above operation, fixing a plurality of coapers 1 at the side of the foundation pit, enabling the adjacent coamings 1 to be contacted, picking up a clamping plate 5, pulling connecting pulling plates 59 at two sides of the clamping plate 5, driving adjacent two positioning rods 54 to synchronously move by the connecting pulling plates 59, driving a third limiting ring 57 to move at the same time, so that a third spring 58 is extruded by the third limiting ring 57, until the positioning rod 54 is completely immersed into the third movable hole 53, at this time, the clamping plate 5 is moved, the clamping plate 5 is aligned with the two clamping grooves 51 on the two adjacent inserting columns 11, the clamping plate 5 is moved downwards, so that the limiting rod 6 at the top end of the lifting rod 23 is inserted into the corresponding limiting hole 61 on the clamping plate 5, at this time, the clamping plate 5 is continuously moved downwards, so that the bottom end of the clamping plate 5 abuts against the top end of the lifting rod 23, the lifting rod 23 is driven to move downwards along with the downward movement of the clamping plate 5, the lifting rod 23 is driven to move downwards by the second limiting ring 41, the second spring 42 is extruded, meanwhile, the lifting rod 23 is driven to move downwards by the extruding head 24 at the bottom end of the lifting rod 23, so that the conical surface outer wall of the extruding head 24 is contacted with the arc surface at one end of the inserting rod 21, the inserting rod 21 is extruded along with the downward movement of the extruding head 24, so that the inserting rod 21 is moved away from the extruding head 24, the first limiting ring 31 is driven to move along with the movement of the inserting rod 21, the first limiting ring 31 is driven to move along with the movement of the first limiting ring 31, so that the first spring 32 is compressed, along with the movement of the inserting rod 21, the inserting rod 21 extends out of the first movable hole 2, meanwhile, the extending inserting rod 21 is inserted into the soil on the outer wall of the inserting column 11 against the tip end of the inserting rod 21 until the clamping plate 5 is completely clamped into the two clamping grooves 51, at this time, the positioning rod 54 is aligned with the corresponding positioning holes 55, the two connecting pull plates 59 are loosened, the third spring 58 presses the third limiting ring 57, so that the positioning rod 54 moves to reset, the positioning rod 54 is inserted into the corresponding positioning holes 55, at this time, the two adjacent inserting columns 11 are clamped and positioned through the two limiting blocks 52, the positioning holes 55 limit the positioning rod 54, and the longitudinal direction of the clamping plate 5 is limited, so that the clamping plate 5 positions the lifting rods 23, and the plurality of inserting rods 21 are stably inserted into the soil.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. A foundation pit bracing device, comprising:
the waterproof device comprises coamings (1), wherein two coamings (1) are arranged, supporting mechanisms are arranged on the front faces of the two coamings (1), and a waterproof mechanism is arranged between the two coamings (1);
the positioning mechanisms are provided with two groups, the two groups of positioning mechanisms are respectively arranged on the back surfaces of the two coamings (1), each positioning mechanism comprises two inserting columns (11), an installation mechanism is arranged between each inserting column (11) and each coaming (1), and the bottom ends of the inserting columns (11) are fixedly connected with inserting blocks (12);
the reinforcing mechanism is provided with a plurality of groups, the reinforcing mechanism is respectively arranged at the bottoms of the inserting posts (11), the reinforcing mechanism comprises a plurality of inserting rods (21), lifting rods (23) and extrusion heads (24), a plurality of groups of first movable holes (2) are formed in the bottoms of the outer walls of the inserting posts (11) at intervals, a plurality of groups of the first movable holes (2) are arranged in a circular array mode, the inserting rods (21) are respectively and movably inserted into the inner walls of the first movable holes (2), first reset mechanisms are respectively arranged on the outer walls of the inserting rods (21), second movable holes (22) are formed in the inserting posts (11), the lifting rods (23) are movably inserted into the inner walls of the second movable holes (22), the outer walls of the lifting rods (23) are provided with second reset mechanisms, the extrusion heads (24) are fixedly connected to the bottom ends of the lifting rods (23), and the extrusion heads (24) are in conical shapes;
the connecting mechanism is arranged between two adjacent inserting columns (11), the connecting mechanism comprises a clamping plate (5), clamping grooves (51) are formed in the top ends of the inserting columns (11), the clamping plate (5) is movably inserted and connected to the inner walls of the two adjacent clamping grooves (51), limiting blocks (52) are fixedly connected to two sides of the clamping plate (5), the width of each limiting block (52) is larger than that of each clamping groove (51), a limiting mechanism is arranged between each limiting block (52) and each inserting column (11), a guide mechanism is arranged between each clamping plate (5) and each lifting rod (23), each limiting mechanism comprises two positioning rods (54) and a positioning hole (55), one side of each limiting block (52) is provided with two third movable holes (53), each positioning rod (54) is movably connected to the inner walls of the two third movable holes (53), each positioning hole (55) is respectively inserted and connected to one side of each inserting column (11) and located at two sides of each clamping groove (51), each positioning rod (54) is provided with a positioning mechanism, each positioning rod (54) is respectively connected to the two positioning rods (54) through one side of each positioning rod (54), and each positioning rod (54) is respectively provided with one positioning rod (55), and each positioning rod (54) is respectively provided with a positioning rod (56) which is arranged between each positioning rod (54) and each positioning rod (52) and each positioning rod (55) The third limiting ring (57) and the third spring (58), the third movable cavity (56) is arranged on one side of the inner wall of the third movable cavity (53), the outer wall of the third limiting ring (57) is in sliding connection with the inner wall of the third movable cavity (56), the third limiting ring (57) is fixedly sleeved on the outer wall of the positioning rod (54), the third spring (58) is arranged on one side of the third limiting ring (57), the third spring (58) is sleeved on the outer wall of the positioning rod (54), the synchronous mechanism comprises a connecting pulling plate (59) and a connecting hole, the connecting hole is arranged on one side of the inner wall of the third movable cavity (56), one ends of the two positioning rods (54) respectively penetrate through the inside of the connecting hole at corresponding positions and are fixedly connected with two ends of the connecting pulling plate (59), the guide mechanism comprises a limiting rod (6) and a limiting hole (61), the inside of the clamping groove (51) is communicated with the inside of the second movable hole (22), the top end of the lifting rod (23) is sequentially penetrated through the inside the limiting rod (6) and the inner wall (6) of the limiting rod (61), the top end of the clamping plate (61) is fixedly connected with the limiting plate (61), the aperture of the limiting hole (61) is smaller than the diameter of the lifting rod (23).
2. The foundation pit bracing device according to claim 1, wherein the first reset mechanism comprises a first movable cavity (3), a first limiting ring (31) and a first spring (32), the first movable cavity (3) is formed in the inner wall of the first movable hole (2), the first limiting ring (31) is slidably connected to the inner wall of the first movable hole (2), the first limiting ring (31) is fixedly sleeved on the outer wall of the inserting rod (21), the first spring (32) is arranged on one side of the first limiting ring (31), and the first spring (32) is sleeved on the outer wall of the inserting rod (21).
3. The foundation pit bracing device according to claim 1, wherein the second reset mechanism comprises a second movable cavity (4), a second limiting ring (41) and a second spring (42), the second movable cavity (4) is opened on the inner wall of the second movable hole (22), the outer wall of the second limiting ring (41) is slidably connected with the inner wall of the second movable cavity (4), the second limiting ring (41) is fixedly sleeved on the outer wall of the lifting rod (23), the second spring (42) is arranged at the bottom end of the second limiting ring (41), and the second spring (42) is sleeved on the outer wall of the lifting rod (23).
4. The foundation pit bracing device according to claim 1, wherein the installation mechanism comprises a connecting plate (7), the connecting plate (7) is fixedly connected to one side of the inserted column (11), a plurality of jacks (71) are formed in the front face of the connecting plate (7), a plurality of bolts (73) are movably inserted and connected to the inner walls of the jacks (71), a plurality of threaded holes (72) are formed in the back face of the enclosing plate (1), the outer walls of the bolts (73) are respectively in threaded connection with the inner walls of the threaded holes (72), a plurality of counter sunk holes (74) are formed in the back face of the connecting plate (7), a plurality of knobs (75) are fixedly connected to one ends of the bolts (73), and a plurality of the knobs (75) are movably inserted and connected to the inner walls of the counter sunk holes (74) respectively.
5. The foundation pit bracing device according to claim 1, wherein the waterproof mechanism comprises a connecting groove (8) and a connecting strip (81), the connecting groove (8) is formed on one side of the coaming (1), the connecting strip (81) is fixedly connected to the other side of the coaming (1), and the outer wall of the connecting strip (81) at the adjacent position is movably inserted and connected with the inner wall of the connecting groove (8);
the supporting mechanism comprises a supporting bottom plate (9) and a plurality of triangular reinforcing plates (91), wherein the supporting bottom plate (9) is fixedly connected to the front bottom of the coaming (1), the back sides of the triangular reinforcing plates (91) are fixedly connected with the front sides of the coaming (1), and the bottom ends of the triangular reinforcing plates (91) are fixedly connected with the top ends of the supporting bottom plate (9).
6. The method of using a foundation pit enclosure of any one of claims 1-5, comprising the steps of:
step one: after the foundation pit is excavated, taking up one coaming (1) and vertically placing the coaming (1) on the side of the foundation pit, then moving the coaming (1) downwards, so that two inserting posts (11) on the back of the coaming (1) drive corresponding inserting blocks (12) to be inserted into soil, taking up the other coaming (1) again at the moment, inserting a connecting strip (81) on the coaming (1) into the inner wall of a connecting groove (8) of the former coaming (1), and moving the coaming (1) downwards, so that the two inserting posts (11) on the back of the coaming drive the corresponding inserting blocks (12) to be inserted into the soil, repeating the operation, and fixing a plurality of coamings (1) on the side of the foundation pit and enabling the adjacent coamings (1) to be contacted;
step two: the clamping plate (5) is lifted, the connecting pulling plates (59) on two sides of the clamping plate (5) are pulled, the connecting pulling plates (59) drive the adjacent two positioning rods (54) to synchronously move, the positioning rods (54) simultaneously drive the third limiting rings (57) to move, the third springs (58) are extruded by the third limiting rings (57) until the positioning rods (54) completely submerge into the third movable holes (53), the clamping plate (5) is moved, the clamping plate (5) is aligned with the two clamping grooves (51) on the adjacent two inserting columns (11), the clamping plate (5) is moved downwards, the limiting rods (6) on the top ends of the lifting rods (23) are inserted into the corresponding limiting holes (61) on the clamping plate (5), the clamping plate (5) is continuously moved downwards at the moment, the top ends of the lifting rods (23) are driven to move downwards along with the descending of the clamping plate (5), the lifting rods (23) are driven to move downwards, the second limiting rings (41) are driven to move downwards, the second springs (42) are extruded, simultaneously, the bottom ends of the lifting rods (23) are driven to move downwards along with the descending of the lifting rods (23) to press the lower ends of the lifting rods (24) to be pressed against the conical surfaces of the pressing heads (24) to be contacted with the outer walls of the pressing heads (24), the utility model provides a make inserted bar (21) to keeping away from extrusion head (24) direction and remove, drive first spacing ring (31) and remove when inserted bar (21) remove, first spacing ring (31) remove and make first spring (32) compressed, along with the removal of inserted bar (21), make inserted bar (21) stretch out first movable hole (2), insert the earth of inserted post (11) outer wall along its pointed end simultaneously inserted bar (21) simultaneously, until cardboard (5) card completely goes into in two draw-in grooves (51), locating lever (54) align this moment with corresponding locating hole (55), loosen two connection arm-tie (59), thereby make third spring (58) to the extrusion of third spacing ring (57), thereby make locating lever (54) remove to reset, make locating lever (54) insert in corresponding locating hole (55), at this moment, clip two adjacent inserted posts (11) through two stopper (52) and fix a position it, locating hole (55) are to the soil of locating lever (54), make cardboard (5) vertically blocked into two, thereby make cardboard (23) to insert in the soil (23) more stable.
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| CN116123413A (en) * | 2023-04-04 | 2023-05-16 | 山东沐仁建筑工程有限公司 | Mapping instrument positioning equipment for engineering mapping |
| CN116696235B (en) * | 2023-08-09 | 2023-10-13 | 陕西中创卓安建设工程有限公司 | Drilling machine for highway construction |
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| CN212926082U (en) * | 2020-05-19 | 2021-04-09 | 朱永良 | Foundation pit support pile reinforcing structure |
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| CN216551968U (en) * | 2021-11-09 | 2022-05-17 | 中建二局第一建筑工程有限公司 | Combined type assembled deep foundation pit supporting device |
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| CN208363805U (en) * | 2018-06-15 | 2019-01-11 | 四川先舟建设工程有限公司 | A kind of foundation pit edge protection fence |
| CN209243670U (en) * | 2018-09-11 | 2019-08-13 | 范清成 | A kind of fixed device of water conservancy slope protection net |
| CN212926082U (en) * | 2020-05-19 | 2021-04-09 | 朱永良 | Foundation pit support pile reinforcing structure |
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