CN115627771B - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN115627771B CN115627771B CN202211253277.6A CN202211253277A CN115627771B CN 115627771 B CN115627771 B CN 115627771B CN 202211253277 A CN202211253277 A CN 202211253277A CN 115627771 B CN115627771 B CN 115627771B
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000000670 limiting effect Effects 0.000 claims description 17
- 230000007306 turnover Effects 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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)
- Sewage (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a foundation pit supporting structure, which relates to the technical field of foundation pit supporting and comprises a first baffle plate and a second baffle plate, wherein the side edges of the first baffle plate are contacted with the side edges of the second baffle plate, bottom plates are arranged at the bottom ends of the first baffle plate and the second baffle plate, inclined grooves are formed in the first baffle plate and the second baffle plate, the bottom end distance between the two inclined grooves is larger than the top end distance, a plurality of supporting components are slidably arranged in the two inclined grooves, the lengths of the supporting components are gradually increased from top to bottom, the supporting components comprise telescopic components, connecting lugs are rotatably arranged at the two ends of the telescopic components, and sliding blocks are fixed at the ends of the telescopic components through the two connecting lugs. The plurality of support components provided by the invention can be matched with two inclined grooves to form a trapezoid support mechanism similar to the trapezoid support mechanism with narrow upper part and wide lower part, and the trapezoid support mechanism is obliquely leaned against the corners of the first baffle and the second baffle, so that the purpose of gradient support effect on the corners of the first baffle and the second baffle is realized.
Description
Technical Field
The invention relates to the technical field of foundation pit support, in particular to a foundation pit support structure.
Background
In the construction of building engineering, in order to embed pile foundation, build basement, embed underground pipeline, etc., it is often necessary to excavate foundation pit, meanwhile, in various underground engineering, it is necessary to support foundation pit in order to prevent collapse of foundation pit soil body during the excavation construction process of foundation pit, and the existing foundation pit supporting structure generally adopts the modes of row pile supporting, pile anchoring, row pile cantilever, underground continuous wall supporting, cement retaining wall, soil nailing wall, spray anchor supporting, etc.
Through retrieval, china patent with publication number CN111648381A discloses a foundation pit supporting structure and a foundation pit supporting method, wherein the foundation pit supporting structure comprises a baffle plate covered on the inner wall of a foundation pit, a plurality of supporting piles inserted at the junction of the bottom of the foundation pit and the inner wall of the foundation pit, a plurality of anchor piles inserted at the edge of a pit opening of the foundation pit, and a plurality of pull rods buried in the soil body of the inner wall of the foundation pit, the supporting piles, the anchor piles and the pull rods are arranged in one-to-one correspondence, one end of each pull rod is in threaded connection with each anchor pile, the other end of each pull rod sequentially penetrates through the baffle plate and the supporting piles and is then in threaded connection with a locking nut, and the supporting piles are clamped between the baffle plate and the locking nut.
But the following disadvantage still exists in present foundation ditch supporting construction, mainly constitute triangle-shaped's bearing structure through baffle, bracing piece and bottom plate and carry out the supporting major structure of foundation ditch, wherein the effort that foundation ditch pressure produced to adjacent two baffle corners is greater than the effort that the foundation ditch produced to single baffle plane department, it is well known that the pressure that the baffle that is close to the foundation ditch bottom receives is higher than baffle top pressure far away, if adopt equidistant supporting component to link up two adjacent baffle corners, supporting strength is too average, when the supporting action point interval that is located two baffle bottom supporting component is too short, can cause the holding power to be less than the resultant force that two baffles received, cause two baffle corner bottoms atress too big, influence its self stability, if satisfy the supporting strength of baffle bottom, then the supporting component length that is located the baffle top is overlength, waste material, and occupy the whole movable space of foundation ditch, influence construction.
Disclosure of Invention
The invention aims to provide a foundation pit supporting structure, which solves the technical problem of supporting strength of two adjacent baffles on the corner of a foundation pit in the prior art.
The invention provides a foundation pit supporting structure which comprises a first baffle and a second baffle, wherein the side edges of the first baffle are in contact with the side edges of the second baffle, bottom plates are arranged at the bottom ends of the first baffle and the second baffle, inclined grooves are formed in the first baffle and the second baffle, the bottom end distance between the two inclined grooves is larger than the top end distance, a plurality of supporting components are slidably arranged in the two inclined grooves, the lengths of the supporting components are gradually increased from top to bottom, the supporting components comprise telescopic components, connecting lugs are rotatably arranged at the two ends of the telescopic components, sliding blocks are fixed at the ends of the telescopic components through the two connecting lugs, the telescopic components are slidably arranged in the two inclined grooves through the two sliding blocks, a plurality of corner blocks are fixed at one sides of the bottom ends of the first baffle and the second baffle, and a stopping component matched with the corner blocks is fixed at the top edge of the bottom plate.
Further, the telescopic component comprises a sleeve and a sleeve rod which is inserted in the sleeve in a sliding mode, a tooth groove which is distributed in a strip mode is formed in the top of the sleeve rod, and a limiting component which is matched with the tooth groove is arranged at the top of the sleeve.
Further, the limiting component comprises a sliding port formed in the top of the sleeve and a lifting block vertically and slidably mounted in the sliding port, a tooth block matched with the tooth groove is fixed at the bottom of the lifting block, the cross section of the tooth groove and the cross section of the tooth block are right trapezoid with wide upper part and narrow lower part, a lifting mechanism is mounted on one side of the sliding port, and the lifting end of the lifting mechanism is connected with one side of the lifting block.
Further, the lifting mechanism comprises a rotating shaft which is rotatably installed in the sliding port, a lifting plate is fixed on one side, close to the lifting block, of the rotating shaft, a side groove is formed in one side, close to the lifting plate, of the lifting block, one end, far away from the rotating shaft, of the lifting plate extends to the side groove, a turnover plate is fixed on one side, far away from the lifting block, of the rotating shaft, a transverse bar is fixed in the sliding port, a reset spring is fixed on one side of the top of the transverse bar, and the reset spring is located at the bottom of the turnover plate.
Further, the first baffle with second baffle junction is provided with the corner coupling assembling, the corner coupling assembling includes the angle bar, the both sides outer wall of angle bar respectively with first baffle with the lateral wall laminating of second baffle, all be fixed with the direction sand grip on the both sides outer wall of angle bar, first baffle with offer on the second baffle lateral wall with direction sand grip sliding fit's direction vertical groove.
Further, the top of angle bar is fixed with the hoisting block, the lifting hole has been seted up on the top of hoisting block, hoisting block bottom mounting has spacing sand grip, the bottom of spacing sand grip with first baffle with the laminating of second baffle top.
Further, a plurality of anchor rods are fixed at the bottoms of the first baffle and the second baffle, the bottom ends of the anchor rods are inserted into the bottom plate, and holes matched with the anchor rods are formed in the bottom plate.
Further, the stop assembly comprises a stop plate fixed on the bottom plate, a stop block is rotatably arranged at the top end of the inside of the stop plate, a stop groove matched with the stop block is formed in the corner block, the bottom end of the stop plate is movably inserted with a tight supporting assembly, and one side of the tight supporting assembly is attached to one side of the corner block.
Further, support tight subassembly including setting up support tight piece in the fender, support tight piece and keep away from one side of hornblock is fixed with the guide post, the guide post is kept away from support tight piece's one end is passed fender board lateral wall is fixed with spacing arch, support tight piece and be close to one side of hornblock bottom inclined plane has been seted up the extrusion inclined plane, the guide post is close to support tight piece's one end cover is equipped with supporting spring.
Compared with the prior art, the invention has the beneficial effects that.
(1) According to the invention, the length of the supporting components is gradually increased from top to bottom, the supporting components can be matched with two inclined grooves to form a trapezoid supporting mechanism similar to the shape of a trapezoid supporting mechanism with the upper part narrow and the lower part wide, and the trapezoid supporting mechanism is obliquely leaned against the corners of the first baffle and the second baffle, wherein the telescopic components can be lengthened or shortened along with the change of the distance between the sliding blocks at the two ends, and then the length limiting is performed, so that the supporting effect of the corners of the first baffle and the second baffle is met, and the purpose of gradient supporting effect of the corners of the first baffle and the second baffle is realized.
(2) According to the invention, the end head of the lifting plate is tilted by pressing the turnover plate, so that the lifting block can be driven to lift, the purpose that the tooth block is separated from the tooth groove is realized, the limiting effect on the loop bar is relieved, the reset spring is extended after the turnover plate is loosened, the lifting plate is enabled to overturn downwards, the lifting block moves downwards, the purpose of meshing the tooth block and the tooth groove is realized, the whole length of the telescopic assembly is convenient to adjust, and the purpose of supporting work is met.
(3) According to the invention, the side surfaces of the corner blocks can be limited through the stop blocks on the stop plates, the supporting effect on the first baffle plate and the second baffle plate can be increased by matching with the corner blocks, the limiting effect on the corner blocks can be relieved through overturning the stop blocks, the first baffle plate and the second baffle plate can be conveniently disassembled, and the first baffle plate and the second baffle plate can be in extrusion contact with the bottom edge of the corner blocks when being downwards assembled on the bottom plate through the extrusion inclined planes, so that the supporting springs are extruded by the supporting blocks, and the connection strength between the supporting blocks and the corner blocks can be improved by matching with the reaction force of the supporting springs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is an enlarged schematic perspective view of the structure of FIG. 1A according to the present invention;
FIG. 4 is a schematic view of a telescopic assembly according to the present invention;
FIG. 5 is a schematic cross-sectional view of a telescopic assembly according to the present invention;
FIG. 6 is a schematic view of the structure of the restriction device in the opened state of the present invention;
FIG. 7 is a schematic view of a stop assembly according to the present invention.
In the figure: 1. a first baffle; 2. a second baffle; 3. a chute; 4. a slide block; 5. a connecting lug; 6. a telescoping assembly; 61. a sleeve; 62. a loop bar; 63. a restriction assembly; 631. a sliding port; 632. a lifting block; 633. tooth blocks; 634. a side groove; 635. a lifting plate; 636. a rotating shaft; 637. a turnover plate; 638. a return spring; 639. a cross bar; 64. tooth slots; 7. a corner block; 8. a stop assembly; 81. a stopper plate; 82. a stop block; 83. a tightening block; 84. extruding the inclined plane; 85. a guide post; 86. a support spring; 9. a bottom plate; 10. a bolt; 11. a corner connection assembly; 111. angle bars; 112. a guide convex strip; 113. a lifting block; 114. lifting holes; 115. limit convex strips.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.
The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 7, the embodiment of the invention provides a foundation pit supporting structure, which comprises a first baffle 1 and a second baffle 2, wherein the side edges of the first baffle 1 are contacted with the side edges of the second baffle 2, bottom plates 9 are arranged at the bottom ends of the first baffle 1 and the second baffle 2, inclined grooves 3 are respectively arranged on the first baffle 1 and the second baffle 2, the bottom end distance between the two inclined grooves 3 is larger than the top end distance, a plurality of supporting components are respectively arranged in the two inclined grooves 3 in a sliding manner, the lengths of the supporting components are gradually increased from top to bottom, the supporting components can be matched with the two inclined grooves 3 to form a trapezoid supporting mechanism similar to the upper part, the lower part is wide, the supporting components are obliquely leaned against the corners of the first baffle 1 and the second baffle 2, each supporting component comprises a telescopic component 6, connecting lugs 5 are respectively arranged at two ends of the telescopic component 6 in a rotating manner, the end of the telescopic component 6 is fixedly provided with the sliding blocks 4 through the two connecting lugs 5, the telescopic component 6 is slidably arranged in the two chute 3 through the two sliding blocks 4, the sliding blocks 4 can slide in the chute 3, the horizontal height of the telescopic component 6 and the supporting action position of the first baffle plate 1 and the second baffle plate 2 are convenient to adjust, the telescopic component 6 can extend or shorten along with the interval change of the sliding blocks 4 at the two ends and then limit the length, the supporting action of the corners of the first baffle plate 1 and the second baffle plate 2 is met, the purpose of gradient supporting action of the corners of the first baffle plate 1 and the second baffle plate 2 is realized, a plurality of corner blocks 7 are fixed at one side of the bottom ends of the first baffle plate 1 and the second baffle plate 2, a stop component 8 matched with the corner blocks 7 is fixed at the top edge of the bottom plate 9, the stop component 8 can limit the side surfaces of the corner blocks 7, and further can play a supporting and limiting role on the bottom ends of the first baffle plate 1 and the second baffle plate 2.
Specifically, the telescopic component 6 comprises a sleeve 61 and a sleeve rod 62 which is inserted in the sleeve 61 in a sliding manner, tooth grooves 64 which are distributed in a bar shape are formed in the top of the sleeve rod 62, a limiting component 63 which is matched with the tooth grooves 64 is arranged at the top of the sleeve 61, the whole length of the telescopic component 6 can be adjusted through the sleeve 61 and the sleeve rod 62, and after the telescopic component 6 slides to a specified height, the relative position of the sleeve 61 and the sleeve rod 62 is fixedly supported through the limiting component 63 and the tooth grooves 64.
Specifically, the limiting component 63 includes a sliding opening 631 formed at the top of the sleeve 61 and a lifting block 632 vertically slidably mounted in the sliding opening 631, a tooth block 633 adapted to the tooth groove 64 is fixed at the bottom of the lifting block 632, the cross sections of the tooth groove 64 and the tooth block 633 are right trapezoid with wide upper part and narrow lower part, a lifting mechanism is mounted at one side of the sliding opening 631, the lifting end of the lifting mechanism is connected with one side of the lifting block 632, the tooth block 633 and the tooth groove 64 are in a meshed state in a normal state, the lifting block 632 and the tooth block 633 can be driven to move upwards through the lifting component and separate from the tooth groove 64, the sleeve 61 and the sleeve 62 can be conveniently stretched and contracted, and the whole height adjustment work of the telescopic component 6 is conveniently performed.
Specifically, the lifting mechanism includes a rotating shaft 636 rotatably installed in the sliding port 631, a lifting plate 635 is fixed on one side of the rotating shaft 636, which is close to the lifting block 632, a side groove 634 is formed on one side of the lifting block 632, which is close to the lifting plate 635, one end of the lifting plate 635, which is far away from the rotating shaft 636, extends into the side groove 634, a turnover plate 637 is fixed on one side, which is far away from the lifting block 632, of the rotating shaft 636, a transverse bar 639 is fixed in the sliding port 631, a return spring 638 is fixed on one side of the top of the transverse bar 639, the return spring 638 is located at the bottom of the turnover plate 637, the end of the lifting plate 635 is lifted up by pressing the turnover plate 637, and then the lifting block 632 can be driven to lift, so that the tooth block 633 is separated from the tooth groove 64, the limiting effect of the loop bar 62 is relieved, after the turnover plate 637 is released, the return spring extends, the lifting plate 635 is turned down, the lifting block 638 moves downwards, and the mesh between the tooth block 633 and the tooth groove 64 is achieved.
Specifically, the junction of first baffle 1 and second baffle 2 is provided with corner connection subassembly 11, corner connection subassembly 11 includes angle bar 111, the both sides outer wall of angle bar 111 respectively with the lateral wall laminating of first baffle 1 and second baffle 2, all be fixed with direction sand grip 112 on the both sides outer wall of angle bar 111, set up on the lateral wall of first baffle 1 and second baffle 2 with direction sand grip 112 sliding fit's direction vertical groove, can seal support work to the junction of first baffle 1 and second baffle 2 through angle bar 111, improve the structural strength of first baffle 1 and second baffle 2 junction, direction sand grip 112 can carry out both sides limiting displacement to angle bar 111, also be convenient for angle bar 111 smooth to insert between first baffle 1 and second baffle 2.
Specifically, the top of angle bar 111 is fixed with lifting block 113, lifting hole 114 has been seted up on the top of lifting block 113, lifting block 113 bottom mounting has spacing sand grip 115, the bottom and the laminating of first baffle 1 and second baffle 2 top of spacing sand grip 115, lifting hole 114 on the lifting block 113 can be convenient for the staff to carry out the hook of connecting the rope to angle bar 111, the external winding mechanism of one end that the lifting block 113 was kept away from to the connecting rope, be convenient for take out to dismantle work to angle bar 111, spacing sand grip 115 carries out the top spacing effect to angle bar 111.
Specifically, a plurality of anchor rods 10 are fixed to the bottoms of the first baffle plate 1 and the second baffle plate 2, the bottom ends of the anchor rods 10 are inserted into the bottom plate 9, holes matched with the anchor rods 10 are formed in the bottom plate 9, the anchor rods 10 can increase the adhesion acting force between the bottom ends of the first baffle plate 1 and the second baffle plate 2 and the bottom of a foundation pit, displacement is prevented, the connection strength between the first baffle plate 1 and the bottom plate 2 and the bottom plate 9 can be increased, and the overall structural strength is improved.
Specifically, stop subassembly 8 is including fixing the fender board 81 on bottom plate 9, the inside top rotation of fender board 81 is installed and is kept off stop 82, offered the fender groove with the fender stop 82 adaptation on the angle block 7, the activity of fender board 81 bottom is pegged graft and is had the tight subassembly that supports, one side of supporting the tight subassembly is laminated with one side of angle block 7, can carry out the restriction effect to angle block 7 side through the fender stop 82 on the fender board 81, cooperation angle block 7 can increase the supporting role to first baffle 1 and second baffle 2, can remove the restriction effect to angle block 7 through upset fender stop 82, be convenient for dismantle work to first baffle 1 and second baffle 2.
Specifically, support tight subassembly including setting up the tight piece 83 that supports in keeping off the board 81, the tight piece 83 that supports is kept away from one side of hornblock 7 is fixed with guide post 85, guide post 85 is kept away from the one end that supports tight piece 83 and passes the fender 81 lateral wall and be fixed with spacing arch, the extrusion inclined plane 84 has been seted up to the tight piece 83 that supports one side that is close to the inclined plane of hornblock 7 bottom, the one end cover that supports tight piece 83 is close to guide post 85 is equipped with supporting spring 86, can take place extrusion contact with hornblock 7 bottom edge when first baffle 1 and second baffle 2 are assembled downwards on bottom plate 9 through extrusion inclined plane 84, make support tight piece 83 extrude supporting spring 86, the reaction force of cooperation supporting spring 86 can improve the joint strength between tight piece 83 and the hornblock 7.
The specific working method is as follows: firstly, the first baffle plate 1 and the second baffle plate 2 are downwards assembled on the bottom plate 9, the bottom plate 9 is firstly placed at the bottom of a foundation pit, wherein an anchor rod 10 is embedded in the foundation pit through a hole on the bottom plate 9, then a corner connecting component 11 is slidably inserted between the connecting positions of the first baffle plate 1 and the second baffle plate 2, a plurality of supporting components are slidably installed in two inclined grooves 3, firstly, a telescopic component 6 positioned at the lowest end position is adjusted, the end of a lifting plate 635 is tilted by pressing a turnover plate 637, further lifting blocks 632 can be driven to lift, the purpose that tooth blocks 633 are separated from tooth grooves 64 is achieved, the limiting effect on a sleeve rod 62 is released, sliding blocks 4 at two ends of the telescopic component 6 downwards slide along the inclined grooves 3 until the designated height position is reached, after the turnover plate 637 is released, a return spring 638 is extended, the lifting plate 635 downwards overturns, the lifting blocks 632 downwards, the purpose that the meshing work of the tooth blocks 633 and the tooth grooves 64 is achieved, the relative positions of the sleeve 61 and the sleeve rod 62 are fixed, then the other telescopic components 6 are adjusted, and the plurality of components 6 can be matched with two upper and lower inclined support mechanisms and form a similar structure at the second inclined position and a position of the second inclined baffle plate 1 and a similar to the position of the baffle plate 2.
Claims (9)
1. The utility model provides a foundation ditch supporting construction, includes first baffle (1) and second baffle (2), first baffle (1) side with second baffle (2) side is connected, first baffle (1) with second baffle (2) bottom is provided with bottom plate (9), its characterized in that: the utility model discloses a corner joint of baffle (1) and baffle (2) of second, first baffle (1) with chute (3) have all been seted up on baffle (2) of second, two bottom interval between chute (3) is greater than the top interval, two equal slidable mounting has a plurality of supporting components in chute (3), supporting component increases from last to lower length gradually, a plurality of supporting component cooperation is two chute (3) form the wide supporting mechanism down, supporting component includes telescopic component (6), connecting lug (5) are all installed in the rotation of both ends of telescopic component (6), the end of telescopic component (6) is fixed with slider (4) through two connecting lug (5), telescopic component (6) are through two slider (4) slidable mounting are in two chute (3), one side of first baffle (1) and second baffle (2) is fixed with a plurality of corner blocks (7) bottom end, top end of telescopic component (6) is fixed with corner block (7) and top fixed with edge (8).
2. The foundation pit supporting structure of claim 1, wherein: the telescopic component (6) comprises a sleeve (61) and a sleeve rod (62) which is inserted in the sleeve (61) in a sliding mode, tooth grooves (64) which are distributed in a strip mode are formed in the top of the sleeve rod (62), and a limiting component (63) which is matched with the tooth grooves (64) is arranged on the top of the sleeve (61).
3. A pit supporting structure according to claim 2, wherein: the limiting component (63) comprises a sliding opening (631) formed in the top of the sleeve (61) and a lifting block (632) vertically and slidably mounted in the sliding opening (631), a tooth block (633) matched with the tooth groove (64) is fixed at the bottom of the lifting block (632), the cross section of the tooth groove (64) and the cross section of the tooth block (633) are right trapezoid with wide upper part and narrow lower part, a lifting mechanism is mounted on one side of the sliding opening (631), and the lifting end of the lifting mechanism is connected with one side of the lifting block (632).
4. A pit supporting structure according to claim 3, wherein: the lifting mechanism comprises a rotating shaft (636) which is rotatably arranged in a sliding opening (631), a lifting plate (635) is fixed on one side, close to the lifting block (632), of the rotating shaft (636), a side groove (634) is formed in one side, close to the lifting block (632), of the lifting plate (635), one end, away from the rotating shaft (636), of the lifting plate (635) extends to the inside of the side groove (634), a turnover plate (637) is fixed on one side, away from the lifting block (632), of the rotating shaft (636), a transverse bar (639) is fixed in the sliding opening (631), a return spring (638) is fixed on one side, close to the top, of the transverse bar (639), and the return spring (638) is located at the bottom of the turnover plate (637).
5. The foundation pit supporting structure of claim 1, wherein: corner coupling assembling (11) include angle bar (111), the both sides outer wall of angle bar (111) respectively with first baffle (1) with the lateral wall laminating of second baffle (2), all be fixed with direction sand grip (112) on the both sides outer wall of angle bar (111), first baffle (1) with set up on the lateral wall of second baffle (2) with direction sand grip (112) sliding fit's direction vertical groove.
6. The foundation pit supporting structure of claim 5, wherein: lifting blocks (113) are fixed to the top ends of the corner strips (111), lifting holes (114) are formed in the top ends of the lifting blocks (113), limiting raised strips (115) are fixed to the bottom ends of the lifting blocks (113), and the bottom ends of the limiting raised strips (115) are attached to the tops of the first baffle plate (1) and the second baffle plate (2).
7. The foundation pit supporting structure of claim 1, wherein: the bottom of first baffle (1) with the bottom of second baffle (2) is fixed with a plurality of stock (10), peg graft in the bottom of stock (10) on bottom plate (9), set up on bottom plate (9) with the hole of stock (10) adaptation.
8. The foundation pit supporting structure of claim 1, wherein: the stop assembly (8) comprises a stop plate (81) fixed on the bottom plate (9), a stop block (82) is rotatably arranged at the top end of the inside of the stop plate (81), a stop groove matched with the stop block (82) is formed in the corner block (7), a supporting component is movably inserted at the bottom end of the stop plate (81), and one side of the supporting component is attached to one side of the corner block (7).
9. The foundation pit supporting structure of claim 8, wherein: the tight subassembly is including setting up tight piece (83) of support in keeping off baffle (81), tight piece (83) of support is kept away from one side of hornblock (7) is fixed with guide post (85), guide post (85) are kept away from the one end of tight piece (83) of support passes the lateral wall of keeping off baffle (81), guide post (85) are kept away from the one end of tight piece (83) of support is fixed with spacing arch, tight piece (83) of support is close to one side of hornblock (7) bottom inclined plane has been seted up extrusion inclined plane (84), guide post (85) are close to one end cover of tight piece (83) of support is equipped with supporting spring (86).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211253277.6A CN115627771B (en) | 2022-10-13 | 2022-10-13 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211253277.6A CN115627771B (en) | 2022-10-13 | 2022-10-13 | Foundation pit supporting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115627771A CN115627771A (en) | 2023-01-20 |
| CN115627771B true CN115627771B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211253277.6A Active CN115627771B (en) | 2022-10-13 | 2022-10-13 | Foundation pit supporting structure |
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| CN (1) | CN115627771B (en) |
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