CN113718799B - Quick emergency diagonal bracing for foundation pit rescue and construction method thereof - Google Patents
Quick emergency diagonal bracing for foundation pit rescue and construction method thereof Download PDFInfo
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- CN113718799B CN113718799B CN202111191656.2A CN202111191656A CN113718799B CN 113718799 B CN113718799 B CN 113718799B CN 202111191656 A CN202111191656 A CN 202111191656A CN 113718799 B CN113718799 B CN 113718799B
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
Abstract
The invention discloses a quick emergency diagonal bracing for a foundation pit rescue, which comprises a supporting longitudinal frame and a supporting cross device, wherein the supporting longitudinal frame is fixedly contacted with a foundation pit enclosure structure, the supporting cross device is movably connected with the supporting longitudinal frame, the supporting longitudinal frame is provided with an I-shaped steel, the bottom of one side of the I-shaped steel, which is far away from the foundation pit enclosure structure, is provided with an auxiliary supporting block, the top of one side of the I-shaped steel, which is far away from the foundation pit enclosure structure, is provided with a linkage auxiliary column block, one side of the I-shaped steel is provided with a supporting sliding groove, two ends of the linkage auxiliary column block are symmetrically provided with inverted splayed adjusting grooves, and the inverted splayed adjusting grooves comprise a first adjusting groove and a second adjusting groove. The beneficial effects are that: the resistance of this device has been increased, makes the stability of this device higher, can carry out nimble adjustment according to not high foundation ditch enclosure, can use repeatedly, can carry out accurate support according to the displacement of foundation ditch enclosure and resist, prevent that first support from resisting the board accidental injury to constructor, be convenient for transportation, installation and dismantlement, easy operation.
Description
Technical Field
The invention relates to the technical field of foundation pit diagonal bracing, in particular to a quick emergency diagonal bracing for foundation pit rescue and a construction method thereof.
Background
The foundation pit support is used for ensuring the safety of underground structure construction and the surrounding environment of the foundation pit, and is used for supporting, reinforcing and protecting the side wall of the foundation pit and the surrounding environment. The inclined strut is also called an inclined strut or a polished support, and the included angle between the inclined strut and the bottom surface of the foundation pit is generally not more than twenty-five degrees. The horizontal projection length of the diagonal bracing is not longer than the excavation depth of the foundation pit. At present, a cast-in-situ reinforced concrete structure is adopted for the diagonal braces supported in a house building, a subway station and a tunnel foundation pit, and the cast-in-situ reinforced concrete needs to be cast in situ for maintenance, so that the required construction period is very long, and the used diagonal brace device is difficult to disassemble due to cement casting, so that the used diagonal brace device cannot be recycled for the second time, thereby causing great waste of resource materials, and meanwhile, the left cement piles also need to be treated. Therefore, we propose a foundation pit diagonal bracing device and a construction method to solve the above problems.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a quick emergency diagonal bracing for foundation pit rescue and a construction method thereof, which are used for overcoming the technical problems existing in the related art.
Therefore, the invention adopts the following specific technical scheme:
according to one aspect of the invention, a quick emergency diagonal bracing for foundation pit rescue is provided.
The quick emergency diagonal bracing for the foundation pit rescue comprises a supporting longitudinal frame and a supporting cross device, wherein the supporting longitudinal frame is fixedly contacted with a foundation pit support structure, the supporting cross device is movably connected with the supporting longitudinal frame, the supporting longitudinal frame is provided with an I-shaped steel, an auxiliary supporting block is arranged at the bottom of one side of the I-shaped steel, far away from the foundation pit support structure, of the I-shaped steel, a linkage auxiliary column block is arranged at the top of one side, far away from the foundation pit support structure, of the I-shaped steel, and a supporting sliding groove is formed in one side of the I-shaped steel.
Further, the both ends symmetry of the linkage auxiliary column piece is equipped with the regulation groove of falling the splayed, the regulation groove of falling the splayed contains first regulation groove and second regulation groove, it is equipped with the resistance structure to alternate in the first regulation groove, the other end of the linkage auxiliary column piece with support cross device swing joint.
Further, the resistance structure is provided with a first connecting support rod, the first connecting support rod is close to one end level of supporting the sliding tray is equipped with the resistance connecting plate, the other end of resistance connecting plate is fixed to be equipped with the convex resistance board, the one end activity clamp of convex resistance board is located in the supporting the sliding tray, the other end of first connecting support rod is equipped with flexible linkage board, the other end of flexible linkage board is equipped with the second connecting support rod, the second connecting support rod activity alternate in the second adjustment tank, the second connecting support rod with support cross arrangement swing joint.
Further, support the intersection device and be equipped with the support base, the support base is close to support one side top activity of longitudinal frame and be equipped with from thrust linkage reset structure, the support base is close to support the one end of longitudinal frame and be equipped with class triangular support frame, the other end of support base is equipped with extension fixed bottom plate, extension fixed bottom plate is rectangular structure, extension fixed bottom plate with one side bottom fixed connection of class triangular support frame, the both sides of class triangular support frame all are equipped with first jack and the second jack of wearing in proper order, the class triangular support frame keep away from one side central point who extends fixed bottom plate puts and is equipped with the support clamp groove, from thrust linkage reset structure activity is located support clamp inslot.
Further, the self-reverse pushing linkage reset structure is provided with a first supporting resisting plate and a second supporting resisting plate, the top end of the first supporting resisting plate is movably connected with the auxiliary supporting block, the top end of the second supporting resisting plate is movably connected with the other end of the second connecting supporting rod, the bottom ends of the first supporting resisting plate and the second supporting resisting plate are respectively provided with a first special-shaped linkage supporting plate and a second special-shaped linkage supporting plate, and the bottom ends of the first special-shaped linkage supporting plate and the second special-shaped linkage supporting plate are movably arranged in the supporting clamping groove.
Further, the first special-shaped linkage support plate and the second special-shaped linkage support plate are identical in structure and symmetrically arranged, the first special-shaped linkage support plate and the top two sides of the second special-shaped linkage support plate are respectively provided with a pulling resisting plate and a limiting resisting plate, a first support shaft and a second support shaft are fixedly inserted in the central positions of the bottom ends of the first special-shaped linkage support plate and the second special-shaped linkage support plate respectively, and two ends of the first support shaft and two ends of the second support shaft are movably inserted in the first insertion holes and the second insertion holes respectively.
Further, the top end of the pulling resisting plate is located at the position on the first special-shaped linkage supporting plate and is provided with a first reset supporting column, the top end of the pulling resisting plate is located at the position on the second special-shaped linkage supporting plate and is provided with a second reset supporting column, a reset spring cylinder is arranged between the first reset supporting column and the second reset supporting column, a reset spring column is inserted in the center position of the reset spring cylinder, a resistance force transfer spring is inserted in the outer side of the reset spring column, and two ends of the resistance force transfer spring are respectively movably connected with the first reset supporting column and the second reset supporting column.
Further, the first supporting shaft and the second supporting shaft are close to the first special-shaped linkage supporting plate and one side of the second special-shaped linkage supporting plate is fixedly connected with the first supporting resisting plate and the second supporting resisting plate, a first L-shaped clamping groove is formed in the position, located at the bottom of the first special-shaped linkage supporting plate, of the bottom end of the limiting resisting plate, a second reverse L-shaped clamping groove is formed in the position, located at the bottom of the second special-shaped linkage supporting plate, of the bottom end of the second reverse L-shaped clamping groove, one side, away from the first supporting shaft or the second supporting shaft, of the limiting resisting plate is of an arc-shaped structure, and the arc angle, away from one side of the first supporting shaft or the second supporting shaft, of the limiting resisting plate is identical with the radian of the side of the first L-shaped clamping groove or the side wall of the second reverse L-shaped clamping groove.
According to another aspect of the invention, a construction method for a rapid emergency diagonal bracing for foundation pit rescue is provided.
The construction method for the rapid emergency diagonal bracing for the foundation pit rescue comprises the following steps:
s1001: measuring and determining the position of the diagonal bracing device, and burying the extension fixed bottom plate in the foundation pit;
s1003: fixing the support longitudinal frame and the foundation pit support structure together;
s1005: the self-reverse pushing linkage reset structure is arranged in the supporting clamp groove, and the self-reverse pushing linkage reset structure is movably inserted into the first through jack and the second through jack through two ends of the first supporting shaft and the second supporting shaft respectively;
s1007: movably connecting the first support resisting plate with the auxiliary support block;
s1009: the top end of the second supporting and resisting plate is movably connected with the other end of the second connecting supporting rod;
s1011: when the center position of the side wall of the foundation pit shakes or is extruded, the second connecting support rod can be driven to move upwards when the top end of the first supporting and resisting plate is pushed, and then the first connecting support rod is pushed to move upwards and leftwards at the same time, namely, to one side close to the foundation pit support structure, so that the convex resisting plate resists the top of the supporting longitudinal frame, and then the whole foundation pit support structure is driven to resist;
s1013: when the top of the foundation pit is swayed or extruded, the top of the first supporting and resisting plate 21 is pushed to drive the first connecting support rod to move downwards, so as to drive the second connecting support rod 13 to move downwards, namely, to move towards one side of the foundation pit support structure, and further, the second reverse L-shaped clamping groove is used for pushing the first special-shaped linkage support plate to move towards one side of the foundation pit support structure, so that the whole supporting longitudinal frame 1 moves towards one side of the foundation pit support structure, and the resistance to pressure is completed;
s1015: disassembling the first support resisting plate from the auxiliary support block;
s1017: disassembling the top end of the second support resisting plate from the second connecting support rod;
s1019: pulling the top end of the second supporting and resisting plate, and pulling the top end of the pulling and resisting plate away from the foundation pit support structure through the resistance transmission spring, so that the limiting and resisting plate is propped against the second reverse L-shaped clamping groove, and the first supporting and resisting plate is prevented from injuring constructors accidentally;
s1021: sequentially extracting the first support shaft and the second support shaft from the first through jack 18 and the second through jack, and removing the self-reverse pushing linkage reset structure;
s1023: disassembling the supporting longitudinal frame and the foundation pit support structure, and removing the supporting longitudinal frame;
s1025: the extended securing base plate is removed.
Compared with the prior art, the invention has the following beneficial effects:
1. through measuring the fixed position, will extend fixed bottom plate buries in the foundation ditch, owing to extend one side bottom fixed connection of fixed bottom plate and class triangular support frame to make class triangular support frame be close to one side that extends fixed bottom plate and can strongly resist the pressure of foundation ditch lateral wall with the help of the resistance of ground, increased the resistance of this device, make the stability of this device higher.
2. The two ends of the first supporting shaft and the second supporting shaft are respectively movably inserted into the first insertion hole and the second insertion hole, so that the self-reverse-pushing linkage reset structure flexibly rotates in the supporting clamping groove, the inclination angles of the first supporting resisting plate and the second supporting resisting plate are convenient to adjust, the foundation pit enclosing wall adjusting device can be flexibly adjusted according to foundation pit enclosing walls with different heights, and the foundation pit enclosing wall adjusting device can be repeatedly used.
3. Because the arc angle of one side of the limiting resisting plate far away from the first supporting shaft or the second supporting shaft is the same as the radian of the side wall of the first L-shaped clamping groove or the second reverse L-shaped clamping groove, the limiting resisting plate is movably clamped in the first L-shaped clamping groove or the second reverse L-shaped clamping groove, so that the first special-shaped linkage supporting plate and the second special-shaped linkage supporting plate can mutually resist and set, and further the central position and the top position of the supporting longitudinal frame are subjected to pressure resistance.
4. The first special-shaped linkage support plate and the second special-shaped linkage support plate are coordinated through the resistance transfer spring, so that the angle can be adjusted simultaneously, the first special-shaped linkage support plate and the second special-shaped linkage support plate are prevented from being separated, and the device can accurately support and resist according to the displacement of the foundation pit enclosing wall.
5. Because the both ends symmetry of linkage assistance post piece is equipped with the regulation groove of falling the splayed, the regulation groove of falling the splayed contains first regulation groove and second regulation inslot, the activity of second connecting support pole alternates in the second regulation inslot, thereby when rocking or receive the extrusion takes place for the lateral wall central point of foundation ditch put, can drive the second connecting support pole and upwards remove when promoting the top of first support resistance board, and then promote first connecting support pole and upwards and left promptly be close to foundation ditch envelope's one side removal promptly simultaneously, thereby make the convex resistance board resist the top of supporting the longitudinal frame, and then drive wholly to resist foundation ditch envelope.
6. When the top position of the foundation pit shakes or is extruded, the first connecting support rod can be driven to move downwards when the top end of the first supporting and resisting plate is pushed, and then the second connecting support rod is driven to move downwards, namely, one side of the foundation pit support structure is moved close to the foundation pit support structure, and then the second reverse L-shaped clamping groove pushes the first special-shaped linkage support plate to move towards one side of the foundation pit support structure, so that the whole supporting longitudinal frame moves towards one side of the foundation pit support structure, and the resistance to pressure is completed.
7. When the foundation pit does not need the diagonal bracing device, the first supporting resisting plate and the auxiliary supporting block are disassembled, the top end of the second supporting resisting plate is disassembled from the second connecting supporting rod, the top end of the second supporting resisting plate is pulled, the top end of the resisting plate is pulled to be far away from the foundation pit enclosure structure through the resistance transfer spring, and then the limiting resisting plate is abutted against the second reverse L-shaped clamping groove, so that the first supporting resisting plate is prevented from injuring constructors accidentally.
8. The first support shaft and the second support shaft are sequentially pulled out from the first through jack and the second through jack, the self-thrust linkage reset structure is removed, the support longitudinal frame and the foundation pit support structure are disassembled, the support longitudinal frame is removed, the extension fixing bottom plate is removed, and the self-thrust linkage reset structure is convenient to disassemble, transport, install and disassemble.
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 embodiments will be briefly described below, it will be obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a construction of a quick emergency diagonal brace for pit rescue according to an embodiment of the present invention;
FIG. 2 is a schematic view of a position structure of a quick emergency diagonal bracing for foundation pit rescue according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of a partial structure at A in FIG. 2;
FIG. 4 is an enlarged schematic view of a partial structure of the self-thrust linkage reset structure according to the present invention;
fig. 5 is a construction flow diagram for a rapid emergency diagonal bracing for pit rescue according to an embodiment of the present invention.
In the figure:
1. a support longitudinal frame; 2. supporting the crossing device; 3. i-shaped steel; 4. an auxiliary supporting block; 5. linkage auxiliary column blocks; 6. a support sliding groove; 7. a first adjustment tank; 8. a second regulating groove; 9. a resistant structure; 10. a first connection support bar; 11. resist the web; 12. a convex resistant plate; 13. a second connecting support rod; 14. a support base; 15. a self-reverse pushing linkage reset structure; 16. a triangle-like support frame; 17. extending the fixed bottom plate; 18. a first through jack; 19. a second through jack; 20. a supporting clamping groove; 21. a first support resistance plate; 22. a second support resistance plate; 23. the first special-shaped linkage support plate; 24. the second special-shaped linkage support plate; 25. pulling the resistance plate; 26. a limit resistance plate; 27. a first support shaft; 28. a second support shaft; 29. a first reset support column; 30. a second reset support column; 31. a return spring cylinder; 32. a resistance force transmission spring; 33. a first L-shaped clamping groove; 34. and a second reverse L-shaped clamping groove.
Detailed Description
For further explanation of the embodiments, the patent of the invention is provided with the accompanying drawings, which are part of the disclosure of the patent of the invention, mainly for illustration of the embodiments and for explanation of the working principle of the embodiments in conjunction with the related description of the specification, and with reference to these, it should be understood by those skilled in the art that other possible implementations and advantages of the patent of the invention, the components in the drawings not being drawn to scale, and that like reference numerals are generally used to designate like components.
Example 1
As shown in fig. 1-2:
the invention provides a rapid emergency diagonal bracing for foundation pit rescue, which comprises a supporting longitudinal frame 1 and a supporting cross device 2, wherein the supporting longitudinal frame 1 is fixedly contacted with a foundation pit supporting structure, the supporting cross device 2 is movably connected with the supporting longitudinal frame 1, the supporting longitudinal frame 1 is provided with an I-shaped steel 3, the bottom of one side of the I-shaped steel 3 far away from the foundation pit supporting structure is provided with an auxiliary supporting block 4, the top of one side of the I-shaped steel 3 far away from the foundation pit supporting structure is provided with a linkage auxiliary column block 5, one side of the I-shaped steel 3 is provided with a supporting sliding groove 6, two ends of the linkage auxiliary column block 5 are symmetrically provided with inverted splayed regulating grooves, the inverted splayed regulating grooves comprise a first regulating groove 7 and a second regulating groove 8, a resisting structure 9 is inserted in the first regulating groove 7, the other end of the linkage auxiliary column block 5 is movably connected with the supporting cross device 2, the resisting structure 9 is provided with a first connecting support rod 10, one end of the first connecting support rod 10 close to the supporting sliding groove 6 is horizontally provided with a resisting connecting plate 11, the other end of the first connecting rod 10 is provided with a second connecting plate 12, the other end 12 is movably connected with the second connecting rod 12 through a movable connecting plate 12, the second connecting plate 13 is movably connected with the second connecting plate 13, the second connecting rod 13 is movably connected with the second connecting rod 13, the second connecting rod is conveniently connected with the second connecting rod 13, through flexible linkage board can drive flexible first connection bracing piece 10 and reciprocate when making flexible second connection bracing piece 13 reciprocate, thereby drive first connection bracing piece 10 is in carry out the horizontal movement simultaneously in the first adjustment tank 7, support cross device 2 is equipped with support base 14, support base 14 is close to support one side top activity of longitudinal frame 1 is equipped with from thrust back linkage reset structure 15, support base 14 is close to support one end of longitudinal frame 1 and is equipped with type triangular support frame 16, support base 14's the other end is equipped with extends PMKD 17, extend PMKD 17 is rectangular structure, extend PMKD 17 with one side bottom fixed connection of type triangular support frame 16, thereby make type triangular support frame 16 is close to extend PMKD 17's one side can be forcefully with the resistance of foundation ditch lateral wall resists, type triangular support frame 16's both sides all are equipped with first jack 18 and second jack 19 in proper order, type triangular support frame 16 keep away from extend PMKD 17 one side central point of side position is equipped with support clamp 20, type triangular support frame 16 is located from thrust back linkage reset structure 20.
Detailed usage and effects of the first embodiment: the extension fixed bottom plate 17 is buried in the foundation pit through measuring and determining the position, because the extension fixed bottom plate 17 is fixedly connected with one side bottom end of the quasi-triangular support frame 16, one side of the quasi-triangular support frame 16 close to the extension fixed bottom plate 17 can forcefully resist the pressure of the side wall of the foundation pit by means of the resistance of the foundation, the support longitudinal frame 1 and the foundation pit support structure are fixed together, because the top of one side of the I-shaped steel 3 far away from the foundation pit support structure is provided with the linkage auxiliary column block 5, two ends of the linkage auxiliary column block 5 are symmetrically provided with the inverted splayed regulating grooves, the inverted splayed regulating grooves comprise a first regulating groove 7 and a second regulating groove 8, the second connecting support rod 13 is movably inserted in the second regulating groove 8, and therefore when the center position of the side wall of the foundation pit shakes or is extruded, the second connection supporting rod 13 can be driven to move upwards when pushing the top end of the first supporting and resisting plate 21, and then the first connection supporting rod 10 is pushed to move upwards and leftwards at the same time, namely, to be close to one side of the foundation pit enclosure structure, so that the convex resisting plate 12 resists the top of the supporting longitudinal frame 1, and then drives the whole body to resist the foundation pit enclosure structure, when the foundation pit does not need a diagonal bracing device, the first supporting and resisting plate 21 is detached from the auxiliary supporting block 4, the top end of the second supporting and resisting plate 22 is detached from the second connection supporting rod 13, the top end of the second supporting and resisting plate 22 is pulled, the top end of the pulling and resisting plate 25 is pulled away from the foundation pit enclosure structure through the resistance transmission spring 32, and then the limiting and resisting plate 26 is abutted in the second reverse L-shaped clamping groove 34, so that the first supporting and resisting plate 21 is prevented from injuring constructors by mistake, the first support shaft 27 and the second support shaft 28 are sequentially pulled out from the first through jack 18 and the second through jack 19, the self-reverse pushing linkage reset structure 15 is removed, the support longitudinal frame 1 and the foundation pit enclosure structure are disassembled, the support longitudinal frame 1 is removed, the extension fixing bottom plate 17 is removed, and the self-reverse pushing linkage reset structure is convenient to disassemble, transport and install.
Example two
As shown in fig. 1 and 3-4:
the invention provides a quick emergency diagonal bracing for foundation pit rescue, which comprises a supporting longitudinal frame 1 and a supporting cross device 2, wherein the supporting longitudinal frame 1 is fixedly contacted with a foundation pit support structure, the supporting cross device 2 is movably connected with the supporting longitudinal frame 1, the supporting longitudinal frame 1 is provided with an I-shaped steel 3, the bottom of one side of the I-shaped steel 3 far away from the foundation pit support structure is provided with an auxiliary supporting block 4, the top of one side of the I-shaped steel 3 far away from the foundation pit support structure is provided with a linkage auxiliary column block 5, the self-back pushing linkage reset structure 15 is provided with a first supporting resisting plate 21 and a second supporting resisting plate 22, the top end of the first supporting resisting plate 21 is movably connected with the auxiliary supporting block 4, the top end of the second supporting resisting plate 22 is movably connected with the other end of the second connecting supporting rod 13, the bottom ends of the first supporting and resisting plate 21 and the second supporting and resisting plate 22 are respectively provided with a first special-shaped linkage supporting plate 23 and a second special-shaped linkage supporting plate 24, the bottom ends of the first special-shaped linkage supporting plate 23 and the second special-shaped linkage supporting plate 24 are movably arranged in the supporting clamping groove 20, the first special-shaped linkage supporting plate 23 and the second special-shaped linkage supporting plate 24 are structurally the same and symmetrically arranged, the two sides of the top ends of the first special-shaped linkage supporting plate 23 and the second special-shaped linkage supporting plate 24 are respectively provided with a pulling resisting plate 25 and a limiting resisting plate 26, the center positions of the bottom ends of the first special-shaped linkage supporting plate 23 and the second special-shaped linkage supporting plate 24 are respectively fixedly inserted with a first supporting shaft 27 and a second supporting shaft 28, the two ends of the first supporting shaft 27 and the second supporting shaft 28 are respectively movably inserted in the first through jack 18 and the second through jack 19, so that the first support shaft 27 and the second support shaft 28 can flexibly rotate in the support clamping groove 20, a first reset support column 29 is arranged at the position of the top end of the pull resisting plate 25 on the first special-shaped linkage support plate 23, a second reset support column 30 is arranged at the position of the top end of the pull resisting plate 25 on the second special-shaped linkage support plate 24, a reset spring cylinder 31 is arranged between the first reset support column 29 and the second reset support column 30, a reset spring column is inserted in the center position of the reset spring cylinder 31, a resistance force transmission spring 32 is inserted in the outer side of the reset spring column, two ends of the resistance force transmission spring 32 are respectively movably connected with the first reset support column 29 and the second reset support column 30, so that the first special-shaped linkage support plate 23 and the second special-shaped linkage support plate 24 are coordinated and cooperated through the resistance transfer spring 32, the separation of the first special-shaped linkage support plate 23 and the second special-shaped linkage support plate 24 is avoided, one side of the first support shaft 27 and the second support shaft 28, which is close to the first special-shaped linkage support plate 23 and the second special-shaped linkage support plate 24, is fixedly connected with the first support resisting plate 21 and the second support resisting plate 22, a first L-shaped clamping groove 33 is arranged at the position of the bottom end of the limit resisting plate 26, which is positioned at the bottom of the first special-shaped linkage support plate 23, the side wall of the first L-shaped clamping groove 33 is of an arc structure, a second inverse L-shaped clamping groove 34 is arranged at the position of the bottom end of the limit resisting plate 26, which is positioned at the bottom of the second special-shaped linkage support plate 24, the side wall of the second inverse L-shaped clamping groove 34 is of an arc structure, the side of the limit resisting plate 26, which is far away from the first support shaft 27 or the second support shaft 28, is of an arc structure, the arc angle of the side of the limit resisting plate 26, which is far away from the first support shaft 27 or the second support shaft 28, is the same as the arc angle of the side wall of the first L-shaped clamping groove 33 or the second inverse L-shaped clamping groove 34, and the limit resisting plate 26 is movably clamped in the first L-shaped clamping groove 33 or the second inverse L-shaped clamping groove 34, and as the arc angle of the side of the limit resisting plate 26, which is far away from the first support shaft 27 or the second support shaft 28, is the same as the arc angle of the side wall of the first L-shaped clamping groove 33 or the second inverse L-shaped clamping groove 34, the limit resisting plate 26 is movably clamped in the first L-shaped clamping groove 33 or the second inverse L-shaped clamping groove 34, so that the first special-shaped supporting plate 23 and the second special-shaped supporting plate 24 can mutually resist the setting, and further the top position of the center of the support frame 1 can be pressed.
Detailed usage and effects of the second embodiment: the self-reverse pushing linkage reset structure 15 is arranged in the supporting clamping groove 20, and the two ends of the first supporting shaft 27 and the second supporting shaft 28 are respectively inserted into the first inserting hole 18 and the second inserting hole 19 in a movable way, so that the self-reverse pushing linkage reset structure 15 flexibly rotates in the supporting clamping groove 20, the inclination angles of the first supporting resisting plate 21 and the second supporting resisting plate 22 are convenient to adjust, as the two ends of the resisting force transfer spring 32 are respectively and movably connected with the first reset supporting column 29 and the second reset supporting column 30, the arc angle of one side of the limiting resisting plate 26 away from the first supporting shaft 27 or the second supporting shaft 28 is the same as the radian of the side wall of the first L-shaped clamping groove 33 or the second L-shaped clamping groove 34, the limiting resisting plate 26 is movably clamped in the first L-shaped clamping groove 33 or the second L-shaped clamping groove 34, so that the first special-shaped linkage support plate 23 and the second special-shaped linkage support plate 24 can be mutually and oppositely arranged, and further the central position and the top position of the support longitudinal frame 1 are subjected to pressure resistance, and the first special-shaped linkage support plate 23 and the second special-shaped linkage support plate 24 are coordinated and cooperated through the resistance transmission spring 32, so that the angle can be simultaneously adjusted, the separation of the first special-shaped linkage support plate 23 and the second special-shaped linkage support plate 24 is avoided, when the central position of the side wall of a foundation pit shakes or is extruded, the top end of the first support resistance plate 21 is pushed, the first L-shaped clamping groove 33 is forced to rotate downwards, and because the limit resistance plate 26 is movably clamped in the first L-shaped clamping groove 33 or the second inverse L-shaped clamping groove 34, and the top end of the second supporting and resisting plate 22 is pushed to move towards the direction far away from the foundation pit enclosure structure through the first L-shaped clamping groove 33, and similarly, when the top position of the foundation pit shakes or is extruded, the first connecting support rod 10 can be driven to move downwards when the top end of the first supporting and resisting plate 21 is pushed, and then the second connecting support rod 13 is driven to move downwards, namely, one side close to the foundation pit enclosure structure is driven to move, and then the second anti-L-shaped clamping groove 34 pushes the first special-shaped linkage support plate 23 to move towards one side close to the foundation pit enclosure structure, so that the whole supporting longitudinal frame 1 moves towards one side close to the foundation pit enclosure structure, and the pressure resistance is completed.
Example III
As shown in fig. 5:
the invention provides a construction method for a quick emergency diagonal bracing for foundation pit rescue, which comprises the following specific operation steps:
s1001: measuring and determining the position of the diagonal bracing device, and burying the extension fixed bottom plate 17 in the foundation pit;
s1003: fixing the support longitudinal frame 1 and the foundation pit support structure together;
s1005: the self-reverse pushing linkage reset structure 15 is arranged in the supporting clamping groove 20, and is respectively and movably inserted into the first through jack 18 and the second through jack 19 through two ends of the first supporting shaft 27 and the second supporting shaft 28;
s1007: movably connecting the first support resistance plate 21 with the auxiliary support block 4;
s1009: the top end of the second supporting and resisting plate 22 is movably connected with the other end of the second connecting supporting rod 13;
s1011: when the central position of the side wall of the foundation pit shakes or is extruded, the second connecting support rod 13 can be driven to move upwards when the top end of the first supporting and resisting plate 21 is pushed, so that the first connecting support rod 10 is pushed to move upwards and leftwards at the same time, namely, to one side close to the foundation pit support structure, and the convex resisting plate 12 resists the top of the supporting longitudinal frame 1, so that the whole foundation pit support structure is driven to resist;
s1013: when the top of the foundation pit is swayed or extruded, the top of the first supporting and resisting plate 21 is pushed to drive the first connecting support rod 10 to move downwards, so as to drive the second connecting support rod 13 to move downwards, namely, to move towards one side close to the foundation pit enclosure, so that the second reverse L-shaped clamping groove 34 pushes the first special-shaped linkage support plate 23 to move towards one side close to the foundation pit enclosure, and the whole supporting longitudinal frame 1 is moved towards one side close to the foundation pit enclosure, so that the resistance to pressure is finished;
s1015: disassembling the first support resistance plate 21 from the auxiliary support block 4;
s1017: disassembling the top end of the second support resistance plate 22 from the second connection support bar 13;
s1019: pulling the top end of the second supporting and resisting plate 22, and pulling the top end of the pulling and resisting plate 25 away from the foundation pit enclosure structure through the resistance transmission spring 32, so that the limiting and resisting plate 26 is abutted in the second reverse L-shaped clamping groove 34, and the first supporting and resisting plate 21 is prevented from injuring constructors accidentally;
s1021: sequentially extracting the first support shaft 27 and the second support shaft 28 from the first insertion hole 18 and the second insertion hole 19, and removing the self-reverse pushing linkage reset structure 15;
s1023: disassembling the support longitudinal frame 1 from the foundation pit enclosure structure, and removing the support longitudinal frame 1;
s1025: the extended fixing base 17 is removed.
The foregoing description of the preferred embodiments of the present invention should not be taken as limiting the scope of the invention, but rather should be construed in view of the appended claims.
Claims (2)
1. The quick emergency diagonal bracing for the foundation pit rescue is characterized by comprising a supporting longitudinal frame (1) and a supporting cross device (2), wherein the supporting longitudinal frame (1) is fixedly contacted with a foundation pit support structure, the supporting cross device (2) is movably connected with the supporting longitudinal frame (1), the supporting longitudinal frame (1) is provided with an I-shaped steel (3), an auxiliary supporting block (4) is arranged at the bottom of one side of the I-shaped steel (3) far away from the foundation pit support structure, a linkage auxiliary column block (5) is arranged at the top of one side of the I-shaped steel (3) far away from the foundation pit support structure, and a supporting sliding groove (6) is formed in one side of the I-shaped steel (3);
the two ends of the linkage auxiliary column block (5) are symmetrically provided with inverted splayed adjusting grooves, each inverted splayed adjusting groove comprises a first adjusting groove (7) and a second adjusting groove (8), a resisting structure (9) is inserted in each first adjusting groove (7), and the other end of the linkage auxiliary column block (5) is movably connected with the supporting and crossing device (2);
the supporting structure (9) is provided with a first connecting support rod (10), one end of the first connecting support rod (10) close to the supporting sliding groove (6) is horizontally provided with a supporting connecting plate (11), the other end of the supporting connecting plate (11) is fixedly provided with a convex supporting plate (12), one end of the convex supporting plate (12) is movably clamped in the supporting sliding groove (6), the other end of the first connecting support rod (10) is provided with a telescopic linkage plate, the other end of the telescopic linkage plate is provided with a second connecting support rod (13), the second connecting support rod (13) is movably inserted in the second adjusting groove (8), and the second connecting support rod (13) is movably connected with the supporting cross device (2);
the support cross device (2) is provided with a support base (14), a self-thrust linkage reset structure (15) is movably arranged at the top end of one side of the support base (14) close to the support longitudinal frame (1), a similar triangular support frame (16) is arranged at one end of the support base (14) close to the support longitudinal frame (1), an extension fixing bottom plate (17) is arranged at the other end of the support base (14), the extension fixing bottom plate (17) is of a rectangular structure, the extension fixing bottom plate (17) is fixedly connected with one side bottom end of the similar triangular support frame (16), a first penetrating hole (18) and a second penetrating hole (19) are sequentially arranged at two sides of the similar triangular support frame (16), a support clamping groove (20) is arranged at the center position of one side of the similar triangular support frame (16) far away from the extension fixing bottom plate (17), and the self-thrust linkage reset structure (15) is movably arranged in the support clamping groove (20).
The self-reverse pushing linkage reset structure (15) is provided with a first supporting resisting plate (21) and a second supporting resisting plate (22), the top end of the first supporting resisting plate (21) is movably connected with the auxiliary supporting block (4), the top end of the second supporting resisting plate (22) is movably connected with the other end of the second connecting supporting rod (13), the bottom ends of the first supporting resisting plate (21) and the second supporting resisting plate (22) are respectively provided with a first special-shaped linkage supporting plate (23) and a second special-shaped linkage supporting plate (24), and the bottom ends of the first special-shaped linkage supporting plate (23) and the second special-shaped linkage supporting plate (24) are movably arranged in the supporting clamping groove (20);
the first special-shaped linkage support plate (23) and the second special-shaped linkage support plate (24) are identical in structure and symmetrically arranged, pull resisting plates (25) and limiting resisting plates (26) are respectively arranged on two sides of the top end of the first special-shaped linkage support plate (23) and two sides of the top end of the second special-shaped linkage support plate (24), a first support shaft (27) and a second support shaft (28) are fixedly inserted in the center of the bottom end of the first special-shaped linkage support plate (23) and the center of the bottom end of the second special-shaped linkage support plate (24) respectively, and two ends of the first support shaft (27) and two ends of the second support shaft (28) are movably inserted in the first through jack (18) and the second through jack (19) respectively;
the device comprises a first special-shaped linkage supporting plate (23), a first reset supporting column (29) is arranged at the position, on which the top end of the pull resisting plate (25) is located, of the first special-shaped linkage supporting plate (23), a second reset supporting column (30) is arranged at the position, on which the top end of the pull resisting plate (25) is located, of the second special-shaped linkage supporting plate (24), a reset spring cylinder (31) is arranged between the first reset supporting column (29) and the second reset supporting column (30), a reset spring column is inserted in the central position of the reset spring cylinder (31), a resistance transfer spring (32) is inserted in the outer side of the reset spring column, and two ends of the resistance transfer spring (32) are respectively movably connected with the first reset supporting column (29) and the second reset supporting column (30);
the first supporting shaft (27) and the second supporting shaft (28) are close to the first irregularly-shaped linkage supporting plate (23) and one side of the second irregularly-shaped linkage supporting plate (24) is fixedly connected with the first supporting resisting plate (21) and the second supporting resisting plate (22), a first L-shaped clamping groove (33) is formed in the position, located at the bottom of the first irregularly-shaped linkage supporting plate (23), of the first L-shaped clamping groove (33), a second reverse L-shaped clamping groove (34) is formed in the position, located at the bottom of the second irregularly-shaped linkage supporting plate (24), of the second irregularly-shaped clamping groove (34), one side, away from the first supporting shaft (27) or the second supporting shaft (28), of the limiting resisting plate (26) is of an arc-shaped structure, and the bottom of the limiting resisting plate (26) is away from the first supporting shaft (27) or the second supporting shaft (28) is of the same angle as the first L-shaped clamping groove (34) of the second L-shaped clamping groove (34).
2. A construction method for a rapid emergency diagonal bracing for foundation pit rescue, which is characterized by referring to claim 1, comprising the following steps:
s1001: measuring and determining the position of the diagonal bracing device, and burying the extension fixed bottom plate (17) in a foundation pit;
s1003: fixing the support longitudinal frame (1) and the foundation pit support structure together;
s1005: the self-reverse pushing linkage reset structure (15) is arranged in the supporting clamping groove (20), and two ends of the first supporting shaft (27) and the second supporting shaft (28) are respectively movably inserted into the first through jack (18) and the second through jack (19);
s1007: the first supporting and resisting plate (21) is movably connected with the auxiliary supporting block (4);
s1009: the top end of the second supporting and resisting plate (22) is movably connected with the other end of the second connecting supporting rod (13);
s1011: when the center position of the side wall of the foundation pit shakes or is extruded, the second connecting support rod (13) can be driven to move upwards when the top end of the first supporting and resisting plate (21) is pushed, so that the first connecting support rod (10) is pushed to move upwards and leftwards, namely, to one side close to the foundation pit support structure, and the convex resisting plate (12) resists the top of the supporting longitudinal frame (1), so that the whole foundation pit support structure is driven to resist;
s1013: when the top of the foundation pit is swayed or extruded, the top of the first supporting and resisting plate (21) is pushed to drive the first connecting support rod (10) to move downwards, so as to drive the second connecting support rod (13) to move downwards, namely, to move towards one side close to the foundation pit support structure, and further, the second reverse L-shaped clamping groove (34) is used for pushing the first special-shaped linkage support plate (23) to move towards one side close to the foundation pit support structure, so that the whole supporting longitudinal frame (1) moves towards one side close to the foundation pit support structure, and the resistance to pressure is completed;
s1015: -detaching the first support resistant plate (21) from the auxiliary support block (4);
s1017: -detaching the top end of the second support resistant plate (22) from the second connection support bar (13);
s1019: pulling the top end of the second supporting and resisting plate (22), and pulling the top end of the pulling and resisting plate (25) away from the foundation pit support structure through the resistance transmission spring (32), so that the limiting and resisting plate (26) is propped in the second reverse L-shaped clamping groove (34), and the first supporting and resisting plate (21) is prevented from injuring constructors accidentally;
s1021: sequentially extracting the first support shaft (27) and the second support shaft (28) from the first through jack (18) and the second through jack (19), and removing the self-reverse pushing linkage reset structure (15);
s1023: disassembling the support longitudinal frame (1) from the foundation pit support structure, and removing the support longitudinal frame (1);
s1025: -removing the extended fixation base plate (17).
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| CN202111191656.2A CN113718799B (en) | 2021-10-13 | 2021-10-13 | Quick emergency diagonal bracing for foundation pit rescue and construction method thereof |
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| CN202111191656.2A CN113718799B (en) | 2021-10-13 | 2021-10-13 | Quick emergency diagonal bracing for foundation pit rescue and construction method thereof |
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| CN114658004B (en) * | 2022-04-08 | 2024-01-12 | 杭州福世德岩土科技有限公司 | Foundation supporting device for geotechnical engineering construction |
| CN116971400B (en) * | 2023-09-25 | 2023-11-28 | 中国建筑一局(集团)有限公司 | Foundation pit shared supporting structure and construction method thereof |
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| CN110253514A (en) * | 2019-06-28 | 2019-09-20 | 诸暨高宗自动化科技有限公司 | A kind of equipment for supporting patient with burn in heavy steel member processing and fabricating |
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| CN211006680U (en) * | 2019-08-15 | 2020-07-14 | 上海宝冶集团南京建筑有限公司 | Support reinforcing structure is propped in tearing open of deep basal pit interior support |
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| CN112713062A (en) * | 2020-12-22 | 2021-04-27 | 扬州正鸿信息技术有限公司 | Avoid circuit breaker auxiliary device for intelligent manufacturing of tripping operation mechanism jam |
| CN112627196B (en) * | 2020-12-31 | 2021-10-08 | 东晟兴诚集团有限公司 | Reinforced foundation pit supporting structure and construction method thereof |
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| JPH07197467A (en) * | 1993-12-28 | 1995-08-01 | Marufuji Shiitopairu Kk | Deformed block |
| CN110253514A (en) * | 2019-06-28 | 2019-09-20 | 诸暨高宗自动化科技有限公司 | A kind of equipment for supporting patient with burn in heavy steel member processing and fabricating |
| KR102195203B1 (en) * | 2020-02-13 | 2020-12-28 | 주식회사 이에스지오 | Soil blocking method using horizontal Strut and slope Strut |
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