CN117966758B - Excavation side slope pre-reinforcement pile wall supporting structure - Google Patents
Excavation side slope pre-reinforcement pile wall supporting structure Download PDFInfo
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- CN117966758B CN117966758B CN202410381727.2A CN202410381727A CN117966758B CN 117966758 B CN117966758 B CN 117966758B CN 202410381727 A CN202410381727 A CN 202410381727A CN 117966758 B CN117966758 B CN 117966758B
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- 230000002787 reinforcement Effects 0.000 title claims description 3
- 238000009412 basement excavation Methods 0.000 title description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention belongs to the technical field of pile wall support and provides a pre-reinforced pile wall support structure for a hollowed side slope, which comprises a support seat, wherein the support seat is fixedly connected with a rectangular mechanism box, four side end surfaces of the mechanism box are all in sliding and penetrating connection with fixing rods, and a driving mechanism capable of driving all the fixing rods to synchronously stretch out and draw back is arranged in the mechanism box; the four fixing rods are connected with a positioning assembly jointly, the positioning assembly is square in arrangement, and under the driving of the fixing rods, the positioning assembly can stretch out and draw back in equal proportion, and four detachable support plates are arranged outside the positioning assembly. According to the invention, the four support plates are quickly positioned through the positioning assembly, and the positioning assembly supports and limits the inner sides of the four support plates; the four corner plates and the clamping plates at the two ends of each corner plate are integrally spliced and connected with the four support plates from the outer sides of the four support plates.
Description
Technical Field
The invention belongs to the technical field of pile wall support, and particularly relates to a pre-reinforced pile wall support structure for a hollowed side slope.
Background
The pile plate wall support is a commonly used deep foundation pit support structure and is commonly used in infrastructure construction such as urban construction and underground engineering.
The utility model provides a rigid rib wall formula stake wall foundation ditch supporting construction and construction method that current publication number is CN114032922B relates to construction technical field, includes: the support frames are distributed in a bilateral symmetry mode, and the two support frames are connected through a connecting assembly; the two supporting frames are provided with positioning frames at the outer sides opposite to each other, and the positioning frames are provided with supporting steel plates.
In the scheme, the supporting frames can only reinforce slopes on two sides at the same time, but the excavated foundation pit is square, and if the supporting structures in the two schemes are adopted, the installation is complicated; and in this scheme, carry out the locking subassembly setting that locks to the supporting steel plate at supporting structure avris, and the supporting steel plate is when supporting the side slope, is difficult to effective concatenation alignment between the supporting steel plate of adjacent both sides, and the bonding stability between two steel plates after the concatenation is lower, and the protection power is relatively poor.
Disclosure of Invention
The invention aims to provide a pre-reinforced pile wall supporting structure for a excavated side slope, and aims to solve the technical problem that a square foundation pit generated after excavation in the prior art cannot be supported rapidly and effectively.
The invention discloses a pre-reinforced pile wall supporting structure of a hollowed side slope, which comprises a base, wherein the base is fixedly connected with a rectangular mechanism box, four side end surfaces of the mechanism box are all in sliding connection with fixing rods in a penetrating manner, and a driving mechanism capable of driving all the fixing rods to synchronously stretch out and draw back is arranged in the mechanism box;
the four fixing rods are connected with a positioning assembly together, the positioning assembly is square, and can stretch and retract in equal proportion under the drive of the fixing rods, and four detachable support plates are arranged outside the positioning assembly;
The four corners of the positioning assembly are respectively provided with a corner plate, two ends of each corner plate are respectively connected with a clamping plate in a sliding manner, each clamping plate is abutted to the supporting plate, the inner side of each corner plate is provided with a limiting mechanism, the limiting mechanisms are fixedly connected with the positioning assembly, and the limiting mechanisms simultaneously elastically limit the clamping plates at the two ends of each corner plate;
The middle part of every backplate all is provided with fixed establishment between locating component, fixed establishment is fixed to backplate elasticity, be provided with pressure mechanism between stop gear and the fixed establishment, when splint pressurized, pressure mechanism can increase the fixed force to the backplate.
The technical scheme is as follows: the positioning assembly comprises positioning plates and connecting plates, each fixing rod is fixedly connected with one positioning plate, four positioning plates are arranged in a square mode, connecting plates are arranged between every two adjacent positioning plates, the connecting plates are in right-angle shapes, guide rails are arranged at two ends of each positioning plate, two ends of each connecting plate are slidably connected in the corresponding guide rail, positioning bolts are arranged on guide rail threads, and the positioning bolts can be fixedly spliced with the connecting plates;
the locating plate is provided with a chute, and the support plate can be inserted in the chute in a sliding manner.
The technical scheme is as follows: the limiting mechanism comprises a supporting seat, a rotating shaft, a gear shaft, a rack bar and an elastic assembly;
The connecting plate is all fixedly connected with supporting seat, the supporting seat is all rotated and is connected with the pivot, the one end fixed connection gear shaft of pivot, the supporting seat external fixation has the uide bushing, two side end faces of uide bushing all slide and through-connection have rack bars, and two rack bars set up perpendicularly, and two rack bars all with the splint fixed connection of one side, and two rack bars mesh with the gear shaft simultaneously, elastic component sets up between pivot and supporting seat, just elastic component is used for spacing to pivot elasticity.
The technical scheme is as follows: the elastic component comprises an elastic torsion spring, an adjusting sleeve and a fastening screw;
the adjusting sleeve is in threaded connection with the rotating shaft, the fastening screw is in threaded connection with the adjusting sleeve, the adjusting sleeve can be fixedly inserted with the rotating shaft, and two ends of the elastic torsion spring are fixedly connected with the supporting seat and the adjusting sleeve respectively.
The technical scheme is as follows: the pressure mechanism comprises a sleeve, a threaded rod and a piston plate;
The piston rod is fixedly connected with the support seat, the piston plate is in sliding and sealing connection with the inner wall of the sleeve, one end of the threaded rod is fixedly connected with the rotating shaft, the other end of the threaded rod is in threaded connection with the piston plate, and the bottom of the sleeve is communicated with the fixing mechanism.
The technical scheme is as follows: the fixing mechanism comprises a jacket, a sliding plate and a fixing seat;
The utility model discloses a support plate, including the fixed seat, the fixed seat is connected with locating plate fixed, the inner wall sliding seal of slide and overcoat connects, be provided with the spring between slide and the overcoat, telescopic bottom and the bottom intercommunication of overcoat have a pipeline, be provided with a plurality of screws that can be with support plate fixed connection on the fixed seat.
The technical scheme is as follows: the clamping plate is provided with the rubber strip towards one side of the support plate, a second pipeline is communicated between the position, close to the support seat, of the sleeve and the rubber strip, and hydraulic oil is filled in the second pipeline.
The technical scheme is as follows: the driving mechanism comprises a motor, a transmission shaft and a meshing plate;
The motor is fixedly connected with the mechanism box, the transmission shaft is fixedly connected with an output shaft of the motor, one end of the fixing rod is fixedly connected with a meshing plate, and all the meshing plates are meshed with the transmission shaft.
Compared with the prior art, the invention has the following beneficial effects:
1. The four support plates are quickly positioned through the positioning assembly, and the positioning assembly supports and limits the inner sides of the four support plates; the four corner plates and clamping plates at two ends of each corner plate complete integral splicing connection of the four support plates from the outer sides of the four support plates;
2. The supporting plates are effectively fixed from the inner side and the outer side through the positioning assembly and the clamping plates, the corner plates can realize the sealing of the joint of the two supporting plates, soil and sewage are prevented from immersing into a foundation pit from the position between the two supporting plates, and meanwhile corrosion and fracture of a connecting piece between the two supporting plates are accelerated;
3. When the clamping plates facing the soil layer are pressed, the clamping plates drive the connected rack bars to move inwards, the rack bars drive the gear shafts to rotate, and the gear shafts drive the other rack bars to move, so that the other rack bars drive the connected clamping plates to increase the clamping force on the connected support plates, the support plates on the two sides of the landslide stress surface are abutted against the positioning assembly, and the overall stability among the four support plates is improved;
4. When the clamping plates facing the soil layer are pressed, the piston plate moves upwards along the sleeve, the internal air pressure of the outer sleeve is reduced, the sliding plate further slides towards the inner part of the outer sleeve under the action of the air pressure, the pretightening force between the support plates and the positioning assembly is further increased, and the support plates on two sides are further prevented from protruding outwards when being pressed, so that the overall stability among the four support plates is affected;
5. When the piston plate moves upwards along the sleeve, hydraulic oil in the second pipeline is filled into the rubber strip, so that the connection tightness between the support plate and the clamping plate is achieved, and rainwater soil is prevented from immersing into the foundation pit from the position between the support plate and the clamping plate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection of the locating assembly to the gusset and the splint according to the present invention;
FIG. 3 is a schematic view of a positioning assembly according to the present invention;
FIG. 4 is a schematic diagram of the connection of the spacing mechanism and the positioning assembly of the present invention;
FIG. 5 is a schematic illustration of the connection of the spacing mechanism and the clamping plate of the present invention;
FIG. 6 is a schematic view of the structure of the elastic assembly of the present invention;
FIG. 7 is a schematic view of the structure of the pressure mechanism of the present invention;
FIG. 8 is a schematic structural view of a fixing mechanism according to the present invention;
fig. 9 is a schematic structural view of a driving mechanism in the present invention.
In the accompanying drawings: 1. a base; 2. a mechanism box; 3. a fixed rod; 4. a driving mechanism; 41. a motor; 42. a transmission shaft; 43. engaging the plate; 5. a positioning assembly; 51. a positioning plate; 52. a connecting plate; 53. a guide rail; 54. positioning bolts; 55. a chute; 6. a support plate; 7. a limiting mechanism; 71. a support base; 72. a rotating shaft; 73. a gear shaft; 74. a rack bar; 75. an elastic component; 751. An elastic torsion spring; 752. an adjusting sleeve; 753. fastening a screw; 76. a guide sleeve; 8. a fixing mechanism; 81. a jacket; 82. a slide plate; 83. a fixing seat; 84. a spring; 85. a screw; 9. a pressure mechanism; 91. a sleeve; 92. a threaded rod; 93. a piston plate; 10. a corner plate; 11. a clamping plate; 12. a rubber strip; 13. a first pipeline; 14. and a second pipeline.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1-9, the invention provides a pre-reinforced pile wall supporting structure for a square-cut side slope, which comprises a base 1, wherein the base 1 is fixedly connected with a rectangular mechanism box 2, four side end surfaces of the mechanism box 2 are all in sliding and penetrating connection with fixing rods 3, the fixing rods 3 can be adjusted in a telescopic manner, and a driving mechanism 4 capable of driving all the fixing rods 3 to synchronously stretch is arranged in the mechanism box 2;
The four fixing rods 3 are connected with a positioning assembly 5 together, the positioning assembly 5 is square, the positioning assembly 5 can stretch in equal proportion under the drive of the fixing rods 3, and four detachable support plates 6 are arranged outside the positioning assembly 5;
The four corners of the positioning assembly 5 are respectively provided with a corner plate 10, two ends of each corner plate 10 are respectively and slidably connected with a clamping plate 11, each clamping plate 11 is abutted against the supporting plate 6, the inner side of each corner plate 10 is provided with a limiting mechanism 7, each limiting mechanism 7 is fixedly connected with the positioning assembly 5, and each limiting mechanism 7 elastically limits the corresponding clamping plate 11 at two ends of each corner plate 10;
The middle part of every backplate 6 all is provided with fixed establishment 8 between locating component 5, fixed establishment 8 is fixed to backplate 6 elasticity, be provided with pressure mechanism 9 between stop gear 7 and the fixed establishment 8, when splint 11 pressurized, pressure mechanism 9 can increase the fixed force to backplate 6.
In the embodiment, the base 1 is fixedly connected to the middle part of a foundation pit, the driving mechanism 4 is started, the driving mechanism 4 drives all the fixing rods 3 to synchronously extend, the fixing rods 3 drive the positioning assembly 5 to amplify in equal proportion until the positioning assembly 5 is close to the side wall of the foundation pit, at the moment, all the support plates 6 are arranged on the outer side of the positioning assembly 5, the four support plates 6 are rapidly positioned and are arranged in a rectangular shape, at the moment, the limiting mechanism 7 elastically limits clamping plates 11 at two ends of the corner plate 10, and the whole fixing and splicing of the four support plates 6 are completed through the clamping plates 11 arranged at four corners of the positioning assembly 5;
The fixing mechanism 8 can elastically fix the support plate 6, and further, when the clamping plate 11 is pressed, the pressure mechanism 9 can increase the fixing force to the support plate 6.
As shown in fig. 3, as a preferred embodiment of the present invention, the positioning assembly 5 includes positioning plates 51 and connecting plates 52, each fixing rod 3 is fixedly connected with one positioning plate 51, four positioning plates 51 are arranged in a square shape, each connecting plate 52 is disposed between two adjacent positioning plates 51, the connecting plates 52 are in a right angle shape, two ends of each positioning plate 51 are provided with guide rails 53, two ends of each connecting plate 52 are slidably connected in corresponding guide rails 53, the guide rails 53 are provided with positioning bolts 54 in a threaded manner, and the positioning bolts 54 can be fixedly inserted with the connecting plates 52; the positioning plate 51 is provided with a sliding groove 55, and the support plate 6 can be slidably inserted into the sliding groove 55.
In this embodiment, when the fixing rod 3 drives the connecting positioning plate 51 to move outwards, both ends of the positioning plate 51 slide relative to the connecting plate 52, and when the fixing rod 3 stops moving, the positioning bolts 54 are screwed down, so that each positioning plate 51 is fixed to the connecting plate 52, the stability between the positioning plate 51 and the connecting plate 52 is increased, and the support plate 6 is inserted into the sliding groove 55.
As shown in fig. 4, as a preferred embodiment of the present invention, the limiting mechanism 7 includes a supporting seat 71, a rotating shaft 72, a gear shaft 73, a rack bar 74, and an elastic assembly 75;
The connecting plate 52 is fixedly connected with the supporting seat 71, the supporting seat 71 is rotationally connected with the rotating shaft 72, one end of the rotating shaft 72 is fixedly connected with the gear shaft 73, a guide sleeve 76 is fixedly arranged outside the supporting seat 71, two side end faces of the guide sleeve 76 are respectively and slidably connected with the rack bars 74 in a penetrating mode, the two rack bars 74 are vertically arranged, the two rack bars 74 are fixedly connected with the clamping plate 11 on one side, the two rack bars 74 are meshed with the gear shaft 73 at the same time, an elastic assembly 75 is arranged between the rotating shaft 72 and the supporting seat 71, and the elastic assembly 75 is used for elastically limiting the rotating shaft 72.
In this embodiment, the elastic component 75 elastically limits the rotation shaft 72, the rotation shaft 72 elastically limits the clamping plate 11 through the engagement of the gear shaft 73 and the rack bar 74, when the support plate 6 is inserted into the chute 55, the clamping plate 11 elastically abuts against the support plate 6, and the support plate 6 is elastically clamped by the clamping plate 11, the positioning plate 51 and the connecting plate 52.
As shown in fig. 6 and 7, the elastic assembly 75 includes an elastic torsion spring 751, an adjusting sleeve 752, and a fastening screw 753 as a preferred embodiment of the present invention;
the adjusting sleeve 752 is in threaded connection with the rotating shaft 72, the fastening screw 753 is in threaded connection with the adjusting sleeve 752, the adjusting sleeve 752 can be fixedly inserted with the rotating shaft 72, and two ends of the elastic torsion spring 751 are respectively and fixedly connected with the supporting seat 71 and the adjusting sleeve 752;
In this embodiment, the elastic torsion spring 751 elastically limits the rotation shaft 72, when the clamping plate 11 elastically clamps the support plate 6, the adjusting sleeve 752 is rotated, the adjusting sleeve 752 drives the elastic torsion spring 751 to tighten or loosen, after the adjustment is completed, the fastening screw 753 is screwed, and the fastening screw 753 fixedly connects the adjusting sleeve 752 with the rotation shaft 72, so that the clamping force of the clamping plate 11 to the support plate 6 is adjusted.
As shown in fig. 7, as a preferred embodiment of the present invention, the pressure mechanism 9 includes a sleeve 91, a threaded rod 92, and a piston plate 93; the sleeve 91 is fixedly connected with the supporting seat 71, the piston plate 93 is slidably and hermetically connected with the inner wall of the sleeve 91, one end of the threaded rod 92 is fixedly connected with the rotating shaft 72, the other end of the threaded rod 92 is in threaded connection with the piston plate 93, and the bottom of the sleeve 91 is communicated with the fixing mechanism 8.
In the pressure mechanism 9, when the clamping plate 11 facing the soil layer is pressed, the clamping plate 11 drives the rack bar 74 connected with the clamping plate to move inwards, the rack bar 74 drives the gear shaft 73 to rotate, the gear shaft 73 drives the threaded rod 92 to rotate, the piston plate 93 moves upwards along the sleeve 91 through the threaded transmission of the threaded rod 92 and the piston plate 93, the bottom of the sleeve 91 is communicated with the fixing mechanism 8, at the moment, the internal air pressure of the fixing mechanism 8 is reduced, so that the tightening force of the fixing mechanism 8 on the support plates 6 is increased, the support plates 6 on two sides are further prevented from protruding outwards when being pressed, and the overall stability among the four support plates 6 is affected.
As shown in fig. 8, as a preferred embodiment of the present invention, the fixing mechanism 8 includes a casing 81, a sliding plate 82, and a fixing base 83;
the outer sleeve 81 is fixedly connected with the positioning plate 51, the fixing seat 83 is fixedly connected with the sliding plate 82, the sliding plate 82 is in sliding sealing connection with the inner wall of the outer sleeve 81, a spring 84 is arranged between the sliding plate 82 and the outer sleeve 81, the bottom of the sleeve 91 is communicated with the bottom of the outer sleeve 81 to form a first pipeline 13, and a plurality of screws 85 which can be fixedly connected with the support plate 6 are arranged on the fixing seat 83.
In this embodiment, the fixing seat 83 is fixedly connected with the support plate 6 through the screw 85, the spring 84 pushes the sliding plate 82 to slide towards the inside of the outer sleeve 81, so that the pretightening force between the support plate 6 and the positioning assembly 5 is increased, and when the piston plate 93 moves up along the sleeve 91, the bottom of the sleeve 91 is communicated with the bottom of the outer sleeve 81, at this time, the internal air pressure of the outer sleeve 81 is reduced, and under the action of the air pressure, the sliding plate 82 further slides towards the inside of the outer sleeve 81, so that the pretightening force between the support plate 6 and the positioning assembly 5 is further increased.
As shown in fig. 4, as a preferred embodiment of the present invention, a rubber strip 12 is disposed on a surface of the clamping plate 11 facing the support plate 6, a second pipeline 14 is connected between the position of the sleeve 91 near the support seat 71 and the rubber strip 12, and the second pipeline 14 is filled with hydraulic oil.
In this embodiment, when the piston plate 93 moves up along the sleeve 91, the hydraulic oil in the second pipe 14 fills the rubber strip 12, so that the connection between the support plate 6 and the clamping plate 11 is sealed, and rainwater soil is prevented from being immersed into the foundation pit from between the support plate 6 and the clamping plate 11.
As shown in fig. 9, as a preferred embodiment of the present invention, the driving mechanism 4 includes a motor 41, a transmission shaft 42, and an engagement plate 43;
the motor 41 is fixedly connected with the mechanism box 2, the transmission shaft 42 is fixedly connected with an output shaft of the motor 41, one end of the fixed rod 3 is fixedly connected with an engagement plate 43, and all the engagement plates 43 are engaged with the transmission shaft 42.
In this embodiment, the motor 41 is started, the motor 41 drives the transmission shaft 42 to rotate, and the transmission shaft 42 drives all the fixing rods 3 to move synchronously through the engagement with the engagement plate 43, and all the fixing rods 3 move synchronously to retract relative to the mechanism box 2, so that the positioning assembly 5 is driven to retract or expand.
Working principle:
The base 1 is fixedly connected to the middle part of a foundation pit, the driving mechanism 4 is started, the driving mechanism 4 drives all fixing rods 3 to synchronously extend, the fixing rods 3 drive the positioning assembly 5 to amplify in equal proportion until the positioning assembly 5 is close to the side wall of the foundation pit, at the moment, all support plates 6 are arranged on the outer side of the positioning assembly 5, the four support plates 6 are rapidly positioned and are arranged in a rectangular shape, at the moment, the limiting mechanism 7 elastically limits clamping plates 11 at two ends of a corner plate 10, and the whole fixing and splicing of the four support plates 6 are completed through the clamping plates 11 arranged at four corners of the positioning assembly 5;
in the process, the four support plates 6 are quickly positioned through the positioning assembly 5, and meanwhile, the positioning assembly 5 supports and limits the inner sides of the four support plates 6; the four corner plates 10 and clamping plates 11 at two ends of each corner plate 10 finish integral splicing connection of the four support plates 6 from the outer sides of the four support plates 6;
the support plates 6 are effectively fixed from the inner side and the outer side through the positioning assembly 5 and the clamping plates 11, meanwhile, the corner plates 10 can realize the sealing of the joint of the two support plates 6, so that soil and sewage are prevented from immersing into a foundation pit from the position between the two support plates 6, and meanwhile, the corrosion and fracture of a connecting piece between the two support plates 6 are accelerated;
When the fixing rod 3 drives the connecting positioning plates 51 to move outwards, at the moment, both ends of the positioning plates 51 slide relative to the connecting plates 52, and when the fixing rod 3 stops moving, the positioning bolts 54 are screwed down, so that each positioning plate 51 is fixed with the connecting plates 52, and the stability between the positioning plates 51 and the connecting plates 52 is improved.
The elastic component 75 elastically limits the rotating shaft 72, the rotating shaft 72 elastically limits the clamping plate 11 through the engagement of the gear shaft 73 and the rack rod 74, when the support plate 6 is inserted into the chute 55, the clamping plate 11 elastically abuts against the support plate 6, and the support plate 6 is elastically clamped through the clamping plate 11, the positioning plate 51 and the connecting plate 52;
When the slope soil layer on one side slides, the supporting plates 6 facing the soil layer are pressed positively, the supporting plates 6 transmit pressure to the supporting plates 6 on two sides, and the supporting plates 6 on two sides are outwards protruded when being pressed, so that the overall stability among the four supporting plates 6 is affected;
In this scheme, when the splint 11 facing the soil layer is pressed, at this moment, the splint 11 drives its connected rack bar 74 to move inwards, and rack bar 74 drives gear shaft 73 to rotate, and gear shaft 73 drives another rack bar 74 to move, so that another rack bar 74 drives the splint 11 that plays the connection to increase the clamping force to the backplate 6 that connects, make backplate 6 in landslide stress surface both sides lean against to locating component 5 department, increase the whole steadiness between four backplate 6.
The fixed seat 83 is fixedly connected with the support plate 6 through the bolts 85, and the spring 84 pushes the sliding plate 82 to slide towards the inside of the outer sleeve 81, so that the pretightening force between the support plate 6 and the positioning assembly 5 is increased;
When the clamping plate 11 facing the soil layer is pressed, the clamping plate 11 drives the rack bar 74 connected with the clamping plate to move inwards, the rack bar 74 drives the gear shaft 73 to rotate, the gear shaft 73 drives the threaded rod 92 to rotate, the piston plate 93 moves upwards along the sleeve 91 through the threaded transmission of the threaded rod 92 and the piston plate 93, the bottom of the sleeve 91 is communicated with the bottom of the outer sleeve 81, at the moment, the internal air pressure of the outer sleeve 81 is reduced, the sliding plate 82 further slides inwards the outer sleeve 81 under the action of the air pressure, the pretightening force between the support plates 6 and the positioning assembly 5 is further increased, and the support plates 6 at two sides are further prevented from protruding outwards when being pressed, so that the overall stability among the four support plates 6 is affected;
When the piston plate 93 moves up along the sleeve 91, the hydraulic oil in the second pipeline 14 fills the rubber strip 12, so that the connection tightness between the support plate 6 and the clamping plate 11 is achieved, and rainwater soil is prevented from immersing into the foundation pit from the position between the support plate 6 and the clamping plate 11.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. The utility model provides a dig side slope pre-reinforcement stake wall supporting construction, includes base (1), its characterized in that, base (1) fixedly connected with rectangular mechanism case (2) that sets up, four side terminal surfaces of mechanism case (2) all slide and pass through and be connected with dead lever (3), be provided with in mechanism case (2) and can drive all dead levers (3) synchronous telescopic actuating mechanism (4);
The four fixing rods (3) are connected with a positioning assembly (5) together, the positioning assembly (5) is square, the positioning assembly (5) can stretch in equal proportion under the drive of the fixing rods (3), and four detachable support plates (6) are arranged outside the positioning assembly (5);
Corner plates (10) are arranged at four corners of the positioning assembly (5), clamping plates (11) are connected to two ends of each corner plate (10) in a sliding mode, each clamping plate (11) is abutted to the supporting plate (6), a limiting mechanism (7) is arranged on the inner side of each corner plate (10), the limiting mechanisms (7) are fixedly connected with the positioning assembly (5), and the limiting mechanisms (7) limit the clamping plates (11) at two ends of each corner plate (10) elastically;
a fixing mechanism (8) is arranged between the middle part of each support plate (6) and the positioning assembly (5), the fixing mechanism (8) elastically fixes the support plates (6), a pressure mechanism (9) is arranged between the limiting mechanism (7) and the fixing mechanism (8), and when the clamping plate (11) is pressed, the pressure mechanism (9) can increase the fixing force on the support plates (6);
The positioning assembly (5) comprises positioning plates (51) and connecting plates (52), each fixing rod (3) is fixedly connected with one positioning plate (51), four positioning plates (51) are arranged in a square mode, each connecting plate (52) is arranged between every two adjacent positioning plates (51), each connecting plate (52) is in a right-angle shape, guide rails (53) are arranged at two ends of each positioning plate (51), two ends of each connecting plate (52) are slidably connected in the corresponding guide rail (53), positioning bolts (54) are arranged on the corresponding guide rails (53) in a threaded mode, and the positioning bolts (54) can be fixedly connected with the corresponding connecting plates (52) in an inserting mode; a chute (55) is formed in the positioning plate (51), and the support plate (6) can be slidably inserted into the chute (55);
The limiting mechanism (7) comprises a supporting seat (71), a rotating shaft (72), a gear shaft (73), a rack bar (74) and an elastic assembly (75); the connecting plates (52) are fixedly connected with supporting seats (71), the supporting seats (71) are rotationally connected with rotating shafts (72), one ends of the rotating shafts (72) are fixedly connected with gear shafts (73), guide sleeves (76) are fixedly arranged outside the supporting seats (71), two side end faces of the guide sleeves (76) are respectively and slidably connected with rack bars (74) in a penetrating mode, the two rack bars (74) are vertically arranged, the two rack bars (74) are respectively and fixedly connected with clamping plates (11) on one side, the two rack bars (74) are meshed with the gear shafts (73) at the same time, an elastic assembly (75) is arranged between the rotating shafts (72) and the supporting seats (71), and the elastic assembly (75) is used for elastically limiting the rotating shafts (72);
The elastic component (75) comprises an elastic torsion spring (751), an adjusting sleeve (752) and a fastening screw (753); the adjusting sleeve (752) is in threaded connection with the rotating shaft (72), the fastening screw (753) is in threaded connection with the adjusting sleeve (752), the adjusting sleeve (752) can be fixedly inserted with the rotating shaft (72), and two ends of the elastic torsion spring (751) are respectively and fixedly connected with the supporting seat (71) and the adjusting sleeve (752);
The pressure mechanism (9) comprises a sleeve (91), a threaded rod (92) and a piston plate (93); the piston rod is characterized in that the sleeve (91) is fixedly connected with the supporting seat (71), the piston plate (93) is slidably and hermetically connected with the inner wall of the sleeve (91), one end of the threaded rod (92) is fixedly connected with the rotating shaft (72), the other end of the threaded rod (92) is in threaded connection with the piston plate (93), and the bottom of the sleeve (91) is communicated with the fixing mechanism (8);
The fixing mechanism (8) comprises a jacket (81), a sliding plate (82) and a fixing seat (83); overcoat (81) and locating plate (51) fixed connection, fixing base (83) and slide (82) fixed connection, slide (82) and the inner wall sliding seal connection of overcoat (81), be provided with spring (84) between slide (82) and overcoat (81), the bottom of sleeve (91) and the bottom intercommunication of overcoat (81) have pipeline (13) No. one, be provided with a plurality of screw (85) that can be with backplate (6) fixed connection on fixing base (83).
2. The support structure of the pre-reinforced pile wall of the excavated side slope according to claim 1, wherein a rubber strip (12) is arranged on one surface of the clamping plate (11) facing the support plate (6), a second pipeline (14) is communicated between the position, close to the support seat (71), of the sleeve (91) and the rubber strip (12), and the second pipeline (14) is filled with hydraulic oil.
3. The prefabricated pile wall supporting structure for a excavated side slope according to claim 1, wherein the driving mechanism (4) comprises a motor (41), a transmission shaft (42) and an engagement plate (43);
The motor (41) is fixedly connected with the mechanism box (2), the transmission shaft (42) is fixedly connected with an output shaft of the motor (41), one end of the fixed rod (3) is fixedly connected with the engagement plate (43), and all the engagement plates (43) are engaged with the transmission shaft (42).
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| CN117966758A (en) | 2024-05-03 |
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