CN219604371U - Supporting structure in foundation pit - Google Patents
Supporting structure in foundation pit Download PDFInfo
- Publication number
- CN219604371U CN219604371U CN202320924641.0U CN202320924641U CN219604371U CN 219604371 U CN219604371 U CN 219604371U CN 202320924641 U CN202320924641 U CN 202320924641U CN 219604371 U CN219604371 U CN 219604371U
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- clamping ring
- adjusting
- foundation pit
- push block
- drive gear
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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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- Piles And Underground Anchors (AREA)
Abstract
The utility model relates to a supporting structure in a foundation pit, which belongs to the technical field of building construction and comprises a supporting pile, a supporting sleeve, an anchor cable pipe, a clamping assembly and a driving assembly, wherein the supporting sleeve is inserted on the supporting pile, the anchor cable pipe is arranged in the supporting sleeve in a penetrating way, the clamping assembly comprises a clamping ring I and a clamping ring II, the driving assembly comprises a driving gear and a transmission gear, a base is arranged on the supporting pile, the driving gear and the transmission gear are both rotationally arranged on one side of the base, which faces towards a pipe orifice of the supporting sleeve, the transmission gear is meshed with the driving gear, the clamping ring I is connected with the driving gear, the clamping ring II is connected with the transmission gear, and the inner walls of the clamping ring I and the clamping ring II are propped against the outer wall of the anchor cable pipe. The utility model has the advantages of reducing the possibility of shaking or displacement of the anchor cable pipe, improving the stability of the anchor cable pipe, being beneficial to improving the fixing strength of the anchor cable pipe, and further improving the strength and stability of foundation pit support.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a supporting structure in a foundation pit.
Background
With the continuous development of urban construction, the development and construction of underground space is a trend. The foundation pit support becomes an important link of the construction of the underground structure. The foundation pit anchor cable refers to a reinforcing and supporting mode adopted in the construction of surface engineering such as side slopes, rock-soil deep foundation pits and the like, tunnels and the like. In the construction process, a drilling machine is used for drilling holes according to design requirements, then steel stranded wires and grouting pipes are placed in the drilled holes, and cement mortar is filled into the grouting pipes to complete the anchor cable work. And when the cement mortar reaches the design strength, the steel bar stranded wire is pulled by the tensioning device to complete the prestress anchoring of the foundation pit support.
In the related art, the utility model discloses a prevent anti-orifice shutoff structure that gushes after anchor rope pipe terminal hole slip casting, including steel sheet end closure, disconnect-type annular plate, inflation stagnant water sand bag and non-woven fabrics, disconnect-type annular plate equidistant welded fastening is on the steel sheet end closure, and inflation stagnant water sand bag is arranged in between the disconnect-type annular plate, and inflation stagnant water sand bag wraps up the non-woven fabrics and is fixed in on the steel sheet end closure outward, and the steel sheet end closure is fixed in on the waist rail through logical long fixing screw. The steel plate end sealing and expansion water stopping sand bag with the separated annular plate is favorable for tight orifice sealing, and the reverse surge condition is avoided after grouting of the final hole of the anchor cable pipe, so that the sealing effect is good.
In the related art, in the cement paste solidification process, the anchor cable pipe is easy to shake, the fixed strength of the anchor cable pipe is influenced, and then the supporting stability of a foundation pit is reduced.
Disclosure of Invention
In order to solve the problem that an anchor cable tube is easy to shake in the cement slurry solidification process, the utility model provides a support structure in a foundation pit.
The utility model provides a foundation pit inner supporting structure, which adopts the following technical scheme:
the utility model provides a bearing structure in foundation ditch, includes support stake, support sleeve pipe, anchor rope pipe, chucking subassembly and drive assembly, support sleeve pipe is pegged graft on support stake, anchor rope pipe wears to locate in the support sleeve pipe, chucking subassembly includes clamping ring one and clamping ring two, drive assembly includes drive gear and drive gear, be equipped with the base on the support stake, drive gear and drive gear all rotate and locate base towards support sleeve pipe orificial one side, drive gear meshes with drive gear, clamping ring one and drive gear are connected, clamping ring two and drive gear are connected, clamping ring one and clamping ring two's inner wall all offsets with the outer wall of anchor rope pipe.
Through adopting above-mentioned technical scheme, after the grout fills, drive gear rotates, because drive gear and drive gear meshing, the two takes place to rotate in step, drives clamping ring one and clamping ring two synchronous opposite directions and rotates, until clamping ring one and clamping ring two's inner wall all offsets with the outer wall of anchor rope pipe, reduces the anchor rope pipe and takes place the possibility of rocking or displacement, improves the stability of anchor rope pipe, is favorable to improving the fixed strength of anchor rope pipe, and then improves the intensity and the stability to foundation ditch support.
Preferably, the device further comprises a limiting assembly, the limiting assembly comprises a rotating bracelet and a limiting clamping rod, the rotating bracelet is fixedly connected to the driving gear, the limiting clamping rod is hinged to one side of the base, which faces the pipe mouth of the supporting sleeve, a plurality of limiting clamping holes are formed in the rotating bracelet along one circle of the rotating bracelet, and the limiting clamping holes are used for clamping the limiting clamping rod.
By adopting the technical scheme, a constructor rotates the rotating bracelet to drive the driving gear to rotate, so that synchronous opposite rotation of the clamping ring I and the clamping ring II is realized conveniently; after the inner walls of the first clamping ring and the second clamping ring are propped against the outer wall of the anchor cable pipe, the limiting clamping rod is clamped into the limiting clamping hole, limiting is achieved on the rotating bracelet, limiting on the driving gear is achieved, and then the position stability of the first clamping ring and the second clamping ring is improved.
Preferably, the driving assembly further comprises a connecting rod, one end of the connecting rod is fixedly connected with the driving gear, the connecting rod is provided with a moving chute along the length direction, the outer annular wall of the first clamping ring is provided with a moving slide block, and the moving slide block is positioned in the moving chute and moves along the moving chute.
By adopting the technical scheme, according to different specific construction site conditions, the deviation correction adjustment of the relative position between the clamping ring I and the clamping ring II is carried out by moving the movable sliding block in the movable sliding groove; meanwhile, if the device is convenient to be applied to anchor cable pipes with different diameters, the possibility of collision between the driving assembly and the clamping assembly is reduced through sliding of the movable sliding block.
Preferably, the connecting rod is provided with a plurality of first fixing holes, the movable slide block is provided with second fixing holes, the first fixing holes and the second fixing holes are threaded holes, and fixing bolts penetrate through the first fixing holes and the second fixing holes.
Through adopting above-mentioned technical scheme, remove the slider and carry clamping ring one and slide, when removing to required position, make fixed orifices one and fixed orifices two align to with fixing bolt screw in, realize removing fixed connection between slider and the connecting rod.
Preferably, elastic buffer pads are arranged on the inner walls of the first clamping ring and the second clamping ring, and the elastic buffer pads are abutted to the outer wall of the anchor cable pipe.
By adopting the technical scheme, the elastic buffer cushion reduces the risk of rigid connection between the clamping ring I or the clamping ring II and the anchor cable pipe on one hand; on the other hand, the contact area between the clamping ring I or the clamping ring II and the anchor cable pipe can be increased, and the fixing stability of the anchor cable pipe is further improved.
Preferably, the clamping device further comprises an adjusting assembly, the adjusting assembly comprises an adjusting extending plate and an adjusting driving piece, the adjusting extending plate is connected to the clamping ring I in a sliding mode, the adjusting extending plate slides along the length direction of the clamping ring I, the inner wall of the adjusting extending plate is flush with the inner wall of the clamping ring I, the driving piece is arranged on the clamping ring I, and the adjusting driving piece is used for driving the adjusting extending plate to slide.
Through adopting above-mentioned technical scheme, adjust the driving piece drive and adjust the extension board and stretch out from clamping ring one, can increase clamping ring one's length, be favorable to improving the anchor rope pipe of clamping assembly chucking bigger diameter, improve bearing structure's suitability.
Preferably, the adjusting driving piece comprises an adjusting push block and an adjusting screw rod, the adjusting push block is in butt joint with the adjusting extension plate, an inclined surface is arranged at one end of the adjusting extension plate, which faces the adjusting push block, one end of the inclined surface, which is far away from the adjusting push block, is higher than one end, which is close to the adjusting push block, of the adjusting push block, the adjusting push block is connected in a clamping ring in a sliding manner, the adjusting screw rod is in threaded connection with the clamping ring in a threaded manner, and one end of the adjusting screw rod is in butt joint with the adjusting push block.
Through adopting above-mentioned technical scheme, when adjusting screw rotates towards arc extension board direction removal, adjusting screw drive adjusts the ejector pad and moves towards adjusting the extension board direction, promotes to adjust the extension board and slides towards the direction of keeping away from the adjustment ejector pad respectively, convenient operation.
Preferably, one end of the adjusting extension plate, which is close to the adjusting push block, is fixedly connected with an extension tension spring, and one end of the extension tension spring, which is far away from the adjusting extension plate, is fixedly connected with a clamping ring.
By adopting the technical scheme, the tension of the extension tension spring pulls the adjusting extension plate to slide towards the direction of the adjusting push block, so that the adjusting extension plate can be conveniently reset in time.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. through the arrangement of the clamping ring I, the clamping ring II, the driving gear and the transmission gear, after cement paste is poured, the driving gear is driven to rotate, and the transmission gear is meshed with the driving gear to synchronously rotate to drive the clamping ring I and the clamping ring II to synchronously rotate in opposite directions until the inner walls of the clamping ring I and the clamping ring II are propped against the outer wall of the anchor cable pipe, so that the possibility of shaking or displacement of the anchor cable pipe is reduced, the stability of the anchor cable pipe is improved, the fixing strength of the anchor cable pipe is improved, and the strength and stability of foundation pit support are improved;
2. through the arrangement of the connecting rod, the movable sliding chute, the movable sliding block and the fixed bolt, according to different specific construction site conditions, the movable sliding block moves in the movable sliding chute to correct and adjust the relative position between the clamping ring I and the clamping ring II; when the movable sliding block moves to the first fixing hole to be aligned with the second fixing hole, the fixing bolt is screwed in, and the movable sliding block is fixedly connected with the connecting rod; meanwhile, in order to be convenient for be suitable for anchor cable pipes with different diameters, the possibility of collision between the driving assembly and the clamping assembly is reduced through the sliding of the movable sliding block.
Drawings
FIG. 1 is an overall schematic diagram of a foundation pit for embodying a support structure in a foundation pit in an embodiment of the present utility model.
Fig. 2 is a schematic diagram of a detailed structure for embodying a driving assembly in an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a limiting assembly and an adjusting assembly according to an embodiment of the present utility model.
Fig. 4 is a partial enlarged view of a portion a in fig. 3.
Reference numerals illustrate: 1. supporting piles; 11. a base; 2. a support sleeve; 3. an anchor cable tube; 4. a clamping assembly; 41. a clamping ring I; 411. moving the slide block; 412. a dovetail groove; 413. an elastic cushion pad; 42. a clamping ring II; 5. a drive assembly; 51. a driving connecting plate; 52. a connecting rod; 521. moving the chute; 522. a first fixing hole; 523. a fixing bolt; 53. a drive gear; 54. a transmission gear; 6. a limit component; 61. rotating the bracelet; 611. limiting clamping holes; 62. a limit clamping rod; 7. an adjustment assembly; 71. adjusting the extension plate; 711. dovetail blocks; 712. extending a tension spring; 713. adjusting a baffle; 73. adjusting the driving member; 731. adjusting the pushing block; 732. and adjusting the screw rod.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The embodiment of the utility model discloses a supporting structure in a foundation pit, which comprises a supporting pile 1, a supporting sleeve 2, an anchor cable pipe 3 and a clamping assembly 4, wherein a base 11 is fixedly connected to the supporting pile 1, the supporting sleeve 2 is inserted into the supporting pile 1, and the end face of the supporting sleeve 2 is positioned in the base 11. The anchor cable tube 3 is arranged in the support sleeve 2 in a penetrating way and extends out of the base 11. During construction, constructors pour cement paste between the support sleeve 2 and the anchor cable tube 3, and then clamp the anchor cable tube 3 through the clamping assembly 4, so that the risk of shaking the anchor cable tube 3 is reduced.
As shown in fig. 2, 3 and 4, the support structure in the foundation pit further comprises a driving assembly 5, wherein the driving assembly 5 comprises a driving connecting plate 51, a driving gear 53, a transmission gear 54 and a fixing bolt 523, and the driving connecting plate 51 is provided with two. The driving connection plate 51 is rotatably connected to the base 11, the driving gears 53 and the transmission gears 54 are fixedly connected to the driving connection plate 51 in one-to-one correspondence, and the transmission gears 54 are meshed with the driving gears 53. A connecting rod 52 is fixedly connected to the peripheral wall of each single drive connection plate 51. The clamping assembly 4 comprises a clamping ring I41 and a clamping ring II 42, the clamping ring I41 and the clamping ring II 42 are fixedly connected with a movable slide 411, and two connecting rods 52 are provided with movable slide grooves 521 along the length direction of the connecting rods for the movable slide 411 to be placed and moved. And the two connecting rods 52 are connected with the first clamping ring 41 and the second clamping ring 42 in a one-to-one correspondence. The connecting rod 52 is provided with a plurality of first fixing holes 522, the movable slide 411 is provided with second fixing holes 522, and the first fixing holes 522 and the second fixing holes are threaded holes. When the first clamping ring 41 or the second clamping ring 42 is adjusted, the movable slide 411 moves to a proper position along the movable slide groove 521, so that the second fixing hole 522 is aligned with one of the first fixing holes 522, the fixing bolt 523 is rotated and screwed in, the fixed connection between the movable slide 411 and the connecting rod 52 is realized, and the stability of the relative position between the first clamping ring 41 or the second clamping ring 42 and the connecting rod 52 is further realized.
As shown in fig. 1, 2 and 3, the supporting structure in the foundation pit further comprises a limiting assembly 6, the limiting assembly 6 comprises a rotating bracelet 61 and a limiting clamping rod 62, the rotating bracelet 61 is fixedly connected to the driving gear 53, and the limiting clamping rod 62 is hinged to one side of the base 11 facing the pipe orifice of the supporting sleeve 2. The rotating bracelet 61 is provided with a plurality of limiting clamping holes 611 along a circle thereof, and the limiting clamping holes 611 are used for clamping the limiting clamping rods 62. The number of the limit clamping holes 611 can be matched in a preprocessing way according to the size requirement of the anchor cable tube 3 at the construction site.
As shown in fig. 4, after grouting the gap between the support sleeve 2 and the anchor cable tube 3, the constructor rotates the rotating hand ring 61 to drive the driving gear 53 and the driving connection plate 51 to rotate synchronously, and the driving gear 54 and the driving gear 53 rotate synchronously due to the meshing of the driving gear 54 and the driving gear 53. The clamping ring I41 and the clamping ring II 42 synchronously rotate in opposite directions until the inner walls of the clamping ring I41 and the clamping ring II 42 are propped against the outer wall of the anchor cable tube 3. In order to reduce the risk of rigid connection of the clamping ring I41 and the clamping ring II 42 with the anchor cable tube 3, the inner walls of the clamping ring I41 and the clamping ring II 42 are fixedly connected with elastic buffer pads 413. Meanwhile, the elastic buffer 413 is additionally arranged, so that the contact area between the clamping ring I41 or the clamping ring II 42 and the anchor cable pipe 3 can be increased, and the fixing stability of the anchor cable pipe 3 can be further improved.
As shown in fig. 3 and 4, in order to make the supporting structure suitable for the anchor cable tube 3 with different diameter sizes, the supporting structure further comprises an adjusting assembly 7, the adjusting assembly 7 comprises an adjusting extension plate 71 and an adjusting driving piece 73, a dovetail block 711 is integrally formed on the adjusting extension plate 71, a dovetail groove 412 is formed on the clamping ring one 41 along the length direction of the clamping ring one 41, and an adjusting baffle 713 is fixedly connected with the middle part of the dovetail groove 412 along the length direction of the clamping ring one 41. The inner wall of the adjustment extension plate 71 is flush with the inner wall of the first clamping ring 41. The end of the adjusting extension plate 71 facing the adjusting baffle 713 is fixedly connected with an extension tension spring 712, and the end of the extension tension spring 712 far away from the adjusting extension plate 71 is fixedly connected with the adjusting baffle 713. The adjustment driving member 73 drives the adjustment extension plate 71 to slide in the dovetail groove 412 along the length direction of the first clamping ring 41.
As shown in fig. 3 and 4, the adjusting driving member 73 includes an adjusting push block 731 and an adjusting screw 732, the adjusting push block 731 is slidably connected in the first clamping ring 41, one end of the adjusting extension plate 71 facing the adjusting push block 731 is integrally formed with an inclined surface, one end of the inclined surface, which is far away from the adjusting push block 731, is higher than one end, which is close to the adjusting push block 731, and the adjusting push block 731 abuts against the adjusting extension plate 71. The adjusting screw 732 is screwed on the first clamping ring 41, and one end of the adjusting screw 732 extending into the first clamping ring 41 is abutted against the adjusting push block 731.
If meet the anchor rope pipe 3 of different diameter sizes, constructor accessible rotates adjusting screw 732, and the adjusting screw 732 moves towards adjusting push block 731 when rotating, and adjusting screw 732 drive adjusting push block 731 moves towards adjusting extension board 71 direction's mode, simultaneously under the cooperation of inclined plane, drive adjusting extension board 71 respectively towards keeping away from adjusting push block 731's direction slip, increase clamping ring one 41's length, be convenient for to anchor rope pipe 3 chucking. The length adjustment of the second clamping ring 42 is the same, and will not be described in detail here.
The implementation principle of the supporting structure in the foundation pit provided by the embodiment of the utility model is as follows:
after the constructor fills the gap between the support sleeve 2 and the anchor cable tube 3 with cement slurry, the constructor rotates the rotating bracelet 61 to drive the driving gear 53 and the driving connecting plate 51 to synchronously rotate, and the driving gear 54 and the driving gear 53 synchronously rotate due to the meshing of the driving gear 54 and the driving gear 53. The clamping ring I41 and the clamping ring II 42 synchronously rotate in opposite directions until the inner walls of the clamping ring I41 and the clamping ring II 42 are propped against the outer wall of the anchor cable tube 3. And then the limiting clamping rod 62 is clamped into the limiting clamping hole 611 to limit the rotating bracelet 61, so that the first clamping ring 41 and the second clamping ring 42 are limited, and the stability of clamping and fixing the anchor cable tube 3 by the first clamping ring 41 and the second clamping ring 42 is improved.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a bearing structure in foundation ditch which characterized in that: including support stake (1), support sleeve (2), anchor rope pipe (3), chucking subassembly (4) and drive assembly (5), support sleeve (2) peg graft on support stake (1), anchor rope pipe (3) wear to locate in support sleeve (2), chucking subassembly (4) are including clamping ring one (41) and clamping ring two (42), drive assembly (5) are including drive gear (53) and drive gear (54), be equipped with base (11) on support stake (1), base (11) are all rotationally located to drive gear (53) and drive gear (54) towards one side of support sleeve (2), drive gear (54) mesh with drive gear (53), clamping ring one (41) are connected with drive gear (53), clamping ring two (42) are connected with drive gear (54), the inner wall of clamping ring one (41) and clamping ring two (42) all offsets with the outer wall of anchor rope pipe (3).
2. The foundation pit inner support structure of claim 1, wherein: still include spacing subassembly (6), spacing subassembly (6) are including rotating bracelet (61) and spacing draw-in bar (62), rotate bracelet (61) fixed connection on drive gear (53), spacing draw-in bar (62) articulate in base (11) towards support sleeve (2) orificial one side, rotate bracelet (61) and seted up a plurality of spacing draw-in holes (611) along its a week, spacing draw-in hole (611) supply spacing draw-in bar (62) card to go into.
3. The foundation pit inner support structure of claim 1, wherein: the driving assembly (5) further comprises a connecting rod (52), one end of the connecting rod (52) is fixedly connected with the driving gear (53), the connecting rod (52) is provided with a moving chute (521) along the length direction, the outer annular wall of the clamping ring I (41) is provided with a moving slide block (411), and the moving slide block (411) is positioned in the moving chute (521) and moves along the moving chute (521).
4. A foundation pit internal support structure according to claim 3, wherein: a plurality of first fixing holes (522) are formed in the connecting rod (52), second fixing holes are formed in the movable sliding block (411), the first fixing holes (522) and the second fixing holes are threaded holes, and fixing bolts (523) penetrate through the first fixing holes (522) and the second fixing holes.
5. The foundation pit inner support structure of claim 1, wherein: the inner walls of the first clamping ring (41) and the second clamping ring (42) are provided with elastic buffer pads (413), and the elastic buffer pads (413) are abutted to the outer wall of the anchor cable pipe (3).
6. The foundation pit inner support structure of claim 1, wherein: still include adjusting part (7), adjusting part (7) are including adjusting extension board (71) and regulation driving piece (73), it connects on clamping ring one (41) to adjust extension board (71) to slide, it slides along the length direction of clamping ring one (41) to adjust extension board (71), the inner wall of adjusting extension board (71) and the inner wall parallel and level of clamping ring one (41), the driving piece is located on clamping ring one (41), regulation driving piece (73) are used for the drive to adjust extension board (71) and slide.
7. The foundation pit internal support structure of claim 6, wherein: the adjusting driving piece (73) comprises an adjusting push block (731) and an adjusting screw (732), the adjusting push block (731) is abutted against the adjusting extension plate (71), an inclined surface is arranged at one end of the adjusting extension plate (71) facing the adjusting push block (731), one end of the inclined surface, which is far away from the adjusting push block (731), is higher than one end, which is close to the adjusting push block (731), of the adjusting push block (731), the adjusting push block (731) is slidably connected in the clamping ring I (41), the adjusting screw (732) is in threaded connection with the clamping ring I (41), and one end of the adjusting screw (732) is abutted against the adjusting push block (731).
8. The foundation pit internal support structure of claim 7, wherein: one end of the adjusting extension plate (71) close to the adjusting push block (731) is fixedly connected with an extension tension spring (712), and one end of the extension tension spring (712) far away from the adjusting extension plate (71) is fixedly connected with a clamping ring I (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924641.0U CN219604371U (en) | 2023-04-22 | 2023-04-22 | Supporting structure in foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924641.0U CN219604371U (en) | 2023-04-22 | 2023-04-22 | Supporting structure in foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219604371U true CN219604371U (en) | 2023-08-29 |
Family
ID=87752977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320924641.0U Active CN219604371U (en) | 2023-04-22 | 2023-04-22 | Supporting structure in foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219604371U (en) |
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2023
- 2023-04-22 CN CN202320924641.0U patent/CN219604371U/en active Active
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