CN113529810B - Waterproof structure of anti-floating anchor rod for deep foundation pit and construction method thereof - Google Patents

Waterproof structure of anti-floating anchor rod for deep foundation pit and construction method thereof Download PDF

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Publication number
CN113529810B
CN113529810B CN202110826286.9A CN202110826286A CN113529810B CN 113529810 B CN113529810 B CN 113529810B CN 202110826286 A CN202110826286 A CN 202110826286A CN 113529810 B CN113529810 B CN 113529810B
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rod
floating anchor
slot
rods
connecting rod
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CN113529810A (en
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尹华洲
孙凯
向超
梅梦梦
章利伟
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Jiangsu Zhishang Construction Co ltd
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Jiangsu Zhishang Construction Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/10Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
    • E02D31/12Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/02Foundation pits
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E02D31/04Watertight packings for use under hydraulic pressure

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Building Environments (AREA)

Abstract

The application relates to a waterproof construction of anti-floating anchor rod for deep basal pit and construction method thereof, wherein waterproof construction includes concrete cushion, waterproof layer and the concrete floor who sets up on the ground in order, the slot has been seted up on the upper surface of concrete floor, the slot extends to on the upper surface of ground, is located all be equipped with the fixed slot on the cell wall of the slot on concrete cushion, waterproof layer and the concrete floor, it has a plurality of anti-floating anchor rods to peg graft in the slot, be equipped with flexible inserted bar on the lateral wall of anti-floating anchor rod, flexible inserted bar passes through fixed establishment and fixed slot grafting cooperation, follows two adjacent anti-floating anchor rods of slot length direction are connected through the connecting piece, fill concrete mortar between the lateral wall of anti-floating anchor rod and the cell wall of slot. The application has the following effects: the convenience when promoting workman's fixed anti-floating anchor rod.

Description

Waterproof structure of anti-floating anchor rod for deep foundation pit and construction method thereof
Technical Field
The application relates to the technical field of deep foundation pit construction, in particular to a waterproof structure of an anti-floating anchor rod for a deep foundation pit and a construction method of the waterproof structure.
Background
In the waterproof construction of a deep foundation pit, a concrete cushion layer and a waterproof layer are generally sequentially poured on a foundation of the deep foundation pit, and then a concrete bottom plate is poured on the waterproof layer so as to achieve the waterproof effect, wherein in order to offset the upward buoyancy of underground water to the concrete bottom plate, an anti-floating anchor rod is often utilized to enhance the anti-floating capacity of the concrete bottom plate.
The utility model discloses a china utility model with grant bulletin number CN205975608U, which discloses an anti-floating anchor rod waterproof structure, comprising a foundation cushion layer and an anti-floating anchor rod which are arranged on a foundation, wherein the foundation and the foundation cushion layer are provided with openings, the peripheral side wall of the anti-floating anchor rod is wrapped with a waterproof coiled material, the bottom end of the anti-floating anchor rod passes through the openings and is inserted into the foundation, the openings of the foundation cushion layer are provided with grooves, and the grooves and the openings are filled with waterproof paint; during construction, the waterproof coiled material is wrapped on the anti-floating anchor rod through a hot melting method, then the bottom end of the anti-floating anchor rod is inserted into the open hole until the bottom wall of the anti-floating anchor rod is abutted against the bottom wall of the groove, and then the non-cured rubber asphalt waterproof coating is poured inwards along the open hole.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in order to ensure the convenience of subsequent construction, after the worker inserts the anti-floating anchor rod into the insertion hole, the perpendicularity between the anti-floating anchor rod and the foundation cushion layer needs to be kept, and the non-cured rubber asphalt waterproof coating has fluidity when being poured into the hole, the worker needs to manually hold the anti-floating anchor rod, and needs to pay attention to the pouring flow rate at any time, thereby wasting time and labor.
Disclosure of Invention
In order to solve the problems of time and labor waste when workers fix the anti-floating anchor rods, the application provides a waterproof structure of the anti-floating anchor rods for the deep foundation pit and a construction method of the waterproof structure.
First aspect, the application provides a waterproof construction of anti-floating anchor rod for deep basal pit adopts following technical scheme:
the utility model provides a waterproof construction of anti-floating anchor rod for deep basal pit, is including setting up concrete cushion, waterproof layer and the concrete floor on the ground in order, the slot has been seted up on the upper surface of concrete floor, the slot extends to on the upper surface of ground, is located all be equipped with the fixed slot on the cell wall of the slot on concrete cushion, waterproof layer and the concrete floor, it has a plurality of anti-floating anchor rods to peg graft in the slot, be equipped with flexible inserted bar on the lateral wall of anti-floating anchor rod, flexible inserted bar passes through fixed establishment and the cooperation of pegging graft of fixed slot, follows two adjacent anti-floating anchor rods of slot length direction are connected through the connecting piece, the concrete mortar has been filled between the lateral wall of anti-floating anchor rod and the cell wall of slot.
Through adopting above-mentioned technical scheme, utilize fixed establishment with flexible inserted bar and fixed slot grafting cooperation, thereby realize in level and vertical direction to the stable spacing of anti-floating anchor, help keeping the straightness that hangs down between anti-floating anchor and the ground, after anti-floating anchor is spacing in the slot, the workman is direct to pouring concrete mortar in the slot, need not manual support anti-floating anchor, time saving and labor saving, and help strengthening anti-floating anchor and ground, the concrete cushion, the waterproof layer, the compactness of being connected between the concrete bottom plate, help promoting the waterproof performance of anti-floating anchor.
Optionally, flexible inserted bar includes dead lever and slide bar, the one end of dead lever links to each other with the lateral wall of anti-floating anchor rod, the other end and the slide bar of dead lever slide and are connected, the cooperation of pegging graft of slide bar and fixed slot, the slide bar is equipped with the driving lever on being close to the lateral wall of dead lever one end, fixed establishment includes the connecting rod, it has two catch bars to slide on the bottom wall of connecting rod, be equipped with on the connecting rod and be used for driving the drive assembly that two catch bars slided in step in opposite directions or back on the body mutually.
Through adopting above-mentioned technical scheme, under the initial state, the length of flexible inserted bar is shorter, and after the workman pegged graft anti-floating anchor rod in the slot, utilize two catch bars of drive assembly drive to slide back to back in step and promote the driving lever for the driving lever drives two slide bars and pegs graft in the fixed slot, thereby realizes the preliminary fixed of anti-floating anchor rod and slot.
Optionally, a sliding groove is formed in the bottom wall of the connecting rod, the top end of the pushing rod is in sliding fit with the sliding groove, the driving assembly comprises a bidirectional screw rod which is rotatably connected in the sliding groove, one of the pushing rod is in threaded connection with one end of the bidirectional screw rod, the other pushing rod is in threaded connection with the other end of the bidirectional screw rod, a cavity is formed in the connecting rod, the bidirectional screw rod penetrates through the cavity, a first bevel gear is arranged on the bidirectional screw rod and located in the cavity, a driving motor is arranged on the connecting rod, a motor shaft of the driving motor penetrates through the side wall of the connecting rod and extends into the cavity, a second bevel gear is coaxially connected to one end, extending into the cavity, of the motor shaft of the driving motor, and the second bevel gear is meshed with the first bevel gear.
Through adopting above-mentioned technical scheme, utilize driving motor drive second bevel gear to rotate, second bevel gear and the meshing transmission of first bevel gear for first bevel gear drives two-way lead screw and rotates, and under the guide effect of spout, make two-way lead screw drive two catch bars and synchronous phase to each other or carry on the back mutually and slide, and convenient structure is stable.
Optionally, the side wall of the sliding rod is coated with an elastic abutting piece.
Through adopting above-mentioned technical scheme, when the slide bar inserts in the fixed slot, elasticity supports the piece and receives the extrusion to exert the effort to the slide bar, make the slide bar closely spacing in the fixed slot, thereby promote the stability that the anti-floating anchor rod tentatively inserted in the slot.
Optionally, a groove is formed in the top wall of the foundation, a bearing seat is arranged on the bottom wall of the anti-floating anchor rod at the bottom end of the insertion groove, the bearing seat is in insertion fit with the groove, and a glue spraying assembly used for limiting the bearing seat in the groove is arranged on the connecting rod.
Through adopting above-mentioned technical scheme, after accepting the seat and pegging graft in the recess, utilize and spout gluey subassembly will accept the seat spacing in the recess, further promote the stability of anti-floating anchor pole after pegging graft in the slot.
Optionally, spout gluey subassembly and including rotating the swivel becket of connection on the connecting rod diapire, the swivel becket is kept away from and is equipped with the rack on the week lateral wall of ring heart one side, it is connected with the gear to rotate on the diapire of connecting rod, gear and rack toothing, be equipped with on the connecting rod and be used for drive gear pivoted power spare, be equipped with the bracing piece on the diapire of swivel becket, be equipped with flexible spout rubber tube through the locating part along self direction of height on the bracing piece, be equipped with the pressing piece that is used for pressing flexible spout rubber tube on the bracing piece.
Through adopting above-mentioned technical scheme, utilize power spare drive gear to rotate, gear and rack toothing transmission, make the rack drive the swivel becket and rotate, the swivel becket drives the bracing piece and rotates, make the bracing piece drive the flexible rubber tube that spouts and rotate, when the rubber tube pivoted is spouted to the flexibility, utilize the pressing piece to press down flexible rubber tube that spouts, make the glue in the flexible rubber tube drip at the recess and accept the gap of seat within a definite time, in order to realize the fixed of accepting the seat, thereby promote the stability of being connected between anti-floating anchor rod and the ground.
Optionally, a micro cylinder is arranged on the side wall of the supporting rod, and a piston rod of the micro cylinder is connected with a pushing plate for extruding the flexible glue spraying pipe.
Through adopting above-mentioned technical scheme, utilize micro cylinder and the cooperation that supports the push pedal, realize the extrusion operation to flexible spout rubber tube, simple structure is stable.
Optionally, a limiting groove is formed in the top wall of the anti-floating anchor rod, a limiting rod is arranged on the bottom wall of the connecting rod, and the limiting rod is in plug-in fit with the limiting groove.
Through adopting above-mentioned technical scheme, utilize the grafting cooperation of gag lever post and spacing groove, make things convenient for the workman to fix the relative position of fixed establishment and anti-floating anchor pole to realize the stability of two slide bars of fixed establishment synchronous drive.
Optionally, two adjacent in the anti-floating anchor rod, one of them be equipped with the mounting groove on the roof of anti-floating anchor rod, another be equipped with the installation piece on the diapire of anti-floating anchor rod, installation piece and mounting groove grafting cooperation, be equipped with a plurality of end plates on the week lateral wall of anti-floating anchor rod, it is double-adjacent end plate between the anti-floating anchor rod passes through the bolt fastening, double-adjacent it has the packing space to reserve between the anti-floating anchor rod, the connecting piece is including filling the waterproof sealing glue layer in the packing space.
By adopting the technical scheme, when two adjacent anti-floating anchor rods are spliced, the two anti-floating anchor rods are aligned by utilizing the matching of the mounting block and the mounting groove, then the two adjacent anti-floating anchor rods are fixed by utilizing the matching of the end plate and the bolt, and the filling gap between the two adjacent anti-floating anchor rods is filled by utilizing the waterproof sealing glue layer, so that the stability of the spliced two anti-floating anchor rods is further ensured; and the waterproof sealing glue layer is utilized, so that the waterproof performance of the joint of the two adjacent anti-floating anchor rods is guaranteed.
In a second aspect, the application provides a construction method of a basement waterproof hydrophobic structure, which includes the following steps:
s1: a worker sets a slot on the concrete bottom plate, so that the slot vertically extends downwards to the upper surface of the foundation, and then a groove is set on the bottom wall of the slot;
s2: splicing a plurality of anti-floating anchor rods into a whole in advance through a connecting piece, inserting the whole formed by splicing the plurality of anti-floating anchor rods into the slot, and inserting the bottom ends of the anti-floating anchor rods into the grooves;
s3: the driving assembly is used for driving the two pushing rods to synchronously slide back to back until the sliding rods are pushed to be in splicing fit with the fixed grooves, and the glue spraying assembly is used for limiting the anti-floating anchor rods in the grooves;
s5: and pouring concrete mortar into the slot.
Through adopting above-mentioned technical scheme, utilize the cooperation of drive assembly and catch bar, make things convenient for the workman to peg graft the slide bar in the fixed slot to realize anti-floating anchor and the preliminary fixed of slot, utilize and spout the gluey subassembly with anti-floating anchor spacing in the recess, make things convenient for the workman directly to pour into concrete mortar in to the slot at last, and need not manual support anti-floating anchor, labour saving and time saving.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the telescopic inserted link is inserted and matched with the fixed groove by using the fixing mechanism, so that the anti-floating anchor rod is limited in the horizontal direction and the vertical direction, and the perpendicularity between the anti-floating anchor rod and the foundation is kept; the stability of connection between the anti-floating anchor rod and the concrete cushion layer, the waterproof layer and the concrete bottom plate is enhanced, concrete mortar can be conveniently poured into the slot by workers directly, and time and labor are saved;
2. utilize and spout gluey subassembly, carry out the underfill to the clearance of accepting seat and recess to will accept the seat and stably fix in the recess, further promote the stability of anti-floating anchor bolt grafting in the slot.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic sectional view showing a connection relationship among a concrete pad, a waterproof layer, a concrete floor, a connecting rod, an anti-floating anchor, and a driving assembly according to an embodiment of the present invention.
Fig. 3 is a schematic sectional view showing a connection relationship among the anti-floating anchor, the fixing rod, the sliding rod, and the shift lever according to the embodiment of the present application.
Fig. 4 is an enlarged view of a point a in fig. 3.
Fig. 5 is a schematic structural diagram for showing the connection relationship among the connecting rod, the push rod and the glue spraying component in the embodiment of the application.
Fig. 6 is a schematic cross-sectional view of a connection relationship between a link and a driving assembly for embodying an embodiment of the present application.
Fig. 7 is a schematic structural diagram of a glue spraying assembly used for embodying the embodiment of the application.
Description of reference numerals: 1. a foundation; 10. a groove; 2. a concrete cushion; 3. a waterproof layer; 4. a concrete floor; 40. a slot; 41. fixing grooves; 5. an anti-floating anchor rod; 50. mounting grooves; 51. a bearing seat; 52. mounting blocks; 53. a limiting groove; 54. an end plate; 55. a bolt; 56. filling the gap; 6. a telescopic inserted link; 61. fixing the rod; 62. a slide bar; 620. a guide groove; 63. a deflector rod; 7. a connecting rod; 70. a chute; 71. a limiting rod; 72. a cavity; 73. a handle; 8. a push rod; 9. a drive assembly; 91. a bidirectional screw rod; 92. a first bevel gear; 93. a second bevel gear; 94. a first micro motor; 11. spraying a glue component; 111. a rotating ring; 112. a rack; 113. a gear; 114. a support bar; 115. a flexible glue spraying pipe; 116. a limiting ring; 117. a micro cylinder; 118. pushing the plate; 119. a second micro motor; 12. a waterproof sealing adhesive layer; 13. a flexible rubber pad.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses waterproof construction of anti-floating anchor rod for deep basal pit. Referring to fig. 1 and 2, the waterproof structure of the anti-floating anchor rod for the deep foundation pit includes a concrete cushion 2, a waterproof layer 3 and a concrete bottom plate 4 laid on a foundation 1 in sequence, a slot 40 is provided on an upper surface of the concrete bottom plate 4 along a vertical direction, the slot 40 extends to the upper surface of the foundation 1, and a plurality of fixing slots 41 are provided horizontally on a slot wall of the slot 40.
Referring to fig. 1 and 2, a plurality of anti-floating anchor rods 5 are inserted into the slots 40, two anti-floating anchor rods 5 are provided in the embodiment of the present application, a plurality of telescopic insertion rods 6 are uniformly distributed on the side wall of the anti-floating anchor rods 5, and eight telescopic insertion rods 6 are provided in each anti-floating anchor rod 5 in the embodiment of the present application.
Referring to fig. 2 and 3, the telescopic insertion rod 6 includes a fixing rod 61 and a sliding rod 62, one end of the fixing rod 61 is fixedly connected to the side wall of the anti-floating anchor rod 5, a guide groove 620 is formed in the end wall of one end of the sliding rod 62, one end of the fixing rod 61, which is far away from the anti-floating anchor rod 5, is in sliding fit with the guide groove 620, and the other end of the sliding rod 62 is in insertion fit with the fixing groove 41.
Referring to fig. 2 and 3, a shift lever 63 is fixedly connected to the side wall of the sliding rod 62, an elastic abutting member is adhered to the outer side wall of the sliding rod 62 through a waterproof sealant, the elastic abutting member includes a flexible rubber pad 13, and the flexible rubber pad 13 is utilized to help to enhance the stability of the sliding rod 62 after being inserted into the fixing groove 41, so that the anti-floating anchor rod 5 is stably fixed.
Referring to fig. 3 and 4, in two anti-floating anchor rods 5, an installation groove 50 is formed in the top wall of one anti-floating anchor rod 5, an installation block 52 is integrally formed in the bottom wall of the other anti-floating anchor rod 5, the installation block 52 is in insertion fit with the installation groove 50, and two adjacent anti-floating anchor rods 5 are connected through a connecting piece.
Referring to fig. 3 and 4, the end plates 54 are fixedly connected to the peripheral side walls of the anti-floating anchor rods 5, the end plates 54 of two adjacent anti-floating anchor rods 5 are fixed through bolts 55, after the installation block 52 is in plug-in fit with the installation groove 50, a filling gap 56 is reserved between the two adjacent anti-floating anchor rods 5, the connecting piece includes the waterproof sealing adhesive layer 12, the waterproof sealing adhesive layer 12 in the embodiment of the present application can be formed by coating the steel bar planting adhesive for the building, and the waterproof sealing adhesive layer 12 is used for filling the filling gap 56.
Referring to fig. 3 and 4, a worker firstly uses the insertion fit of the mounting block 52 and the mounting groove 50 to preliminarily splice two adjacent anti-floating anchor rods 5, then uses the waterproof sealant layer 12 to fill the gap between the two adjacent anti-floating anchor rods 5, and uses the fit of the connecting plate 14 and the bolt 15 to enhance the tightness of the connection between the two adjacent anti-floating anchor rods 5.
Referring to fig. 2 and 5, the sliding rod 62 is in inserting fit with the fixing groove 41 through a fixing mechanism, the fixing mechanism includes a connecting rod 7, two pushing rods 8 and a driving assembly 9, sliding grooves 70 are respectively formed on the bottom walls of the two ends of the connecting rod 7, one pushing rod 8 is connected in one sliding groove 70 in a sliding manner, and the other pushing rod 8 is connected in the other sliding groove 70 in a sliding manner.
Referring to fig. 5 and 6, the driving assembly 9 includes a bidirectional screw 91, a first bevel gear 92, a first micro-motor 94 and a second bevel gear 93, one end of the bidirectional screw 91 is rotatably connected in one of the sliding grooves 70, the other end of the bidirectional screw 91 is rotatably connected in the other sliding groove 70, one end of the bidirectional screw 91 is in threaded connection with one of the pushing rods 8, and the other end of the bidirectional screw 91 is in threaded connection with the other pushing rod 8.
Referring to fig. 5 and 6, two handles 73 are fixedly connected to the top wall of the connecting rod 7, a cavity 72 is arranged in the connecting rod 7, a bidirectional screw rod 91 penetrates through the cavity 72, a first bevel gear 92 is coaxially and fixedly connected to the peripheral side wall of the bidirectional screw rod 91, the first bevel gear 92 is located in the cavity 72, a first micro motor 94 is fixedly connected to the top wall of the connecting rod 7, a motor of the first micro motor 94 penetrates through the top wall of the connecting rod 7 and extends into the cavity 72, and a motor shaft of the first micro motor 94 extends into the cavity 72 and is coaxially and fixedly connected with a second bevel gear 93.
Referring to fig. 2 and 6, the first micro motor 94 drives the second bevel gear 93 to rotate, the second bevel gear 93 and the first bevel gear 92 are in meshing transmission, so that the second bevel gear 93 drives the two-way screw rod 91 to rotate, under the guiding action of the sliding groove 70, the two-way screw rod 91 drives the two push rods 8 to synchronously slide back and forth to the push rods 8, the slide rods 62 are pushed to be inserted into the fixed grooves 41, and the anti-floating anchor rods 5 are stably limited in the insertion grooves 40.
Referring to fig. 3 and 6, a limit groove 53 is formed in the top wall of the anti-floating anchor rod 5, a limit rod 71 is fixedly connected to the bottom wall of the connecting rod 7, and the limit rod 71 is in inserted fit with the limit groove 53; when a worker needs to push the sliding rod 62 into the fixing groove 41, the stability of the fixing mechanism in use is kept by the matching of the limiting rod 71 and the limiting groove 53; and because the fixing mechanism and the anti-floating anchor rod 5 are separately used, the fixing mechanism can be recycled, thereby saving resources.
Referring to fig. 2 and 5, a groove 10 is formed in the top wall of the foundation 1, a receiving seat 51 is fixedly connected to the bottom wall of the anti-floating anchor rod 5 located at the bottommost end, the receiving seat 51 is in insertion fit with the groove 10, and a glue spraying assembly 11 for limiting the receiving seat 51 in the groove 10 is arranged on the connecting rod 7.
Referring to fig. 5 and 7, the glue spraying assembly 11 includes a rotating ring 111, a supporting rod 114, a flexible glue spraying tube 115, a rack 112, a gear 113, a power member and a pressing member, the rotating ring 111 is rotatably connected to the bottom wall of the connecting rod 7, and the supporting rod 114 is fixedly connected to the bottom wall of the rotating ring 111 in the vertical direction.
Referring to fig. 5 and 7, the flexible glue spraying tube 115 is fixedly connected to the side wall of the support rod 114 through a limit ring 1151, the limiting member includes a limit ring 1151, the rack 112 is fixedly connected to the peripheral side wall of the rotating ring 111 on the side far away from the center of the rotating ring, the gear 113 is rotatably connected to the bottom wall of the connecting rod 7, the gear 113 is meshed with the rack 112, the power member includes a second micro motor 119, and the output shaft of the second micro motor 119 is coaxially and fixedly connected with the gear 113.
Referring to fig. 7, the pressing member includes a micro cylinder 117 and a pushing plate 118, the micro cylinder 117 is fixedly connected to the side wall of the supporting rod 114, the pushing plate 118 is fixedly connected to a piston rod of the micro cylinder 117, and the pushing plate 118 is used for pushing the flexible glue injection tube 115.
Referring to fig. 2 and 7, after the worker inserts the bottom end of the receptacle 51 into the groove 10, the gear 113 is driven to rotate by the second micro motor 119, so that the gear 113 drives the rotating ring 111 to rotate through the rack 112, and the supporting rod 114 drives the flexible glue spraying tube 115 to rotate, so as to fill a gap between the receptacle 51 and the groove 10, and further, the anti-floating anchor rod 5 is stably limited in the groove 10.
The implementation principle of the waterproof structure of the anti-floating anchor rod for the deep foundation pit and the construction method thereof in the embodiment of the application is as follows: the worker splices two anti-floating anchor rods 5 into a whole by using the matching of the end plate 54, the bolt 55 and the waterproof sealant layer 12 in advance, then inserts the spliced anti-floating anchor rods 5 into the slot 40, enables the bearing seat 51 to be in inserted fit with the groove 10, then uses the matching of the micro motor I94, the second bevel gear 93, the first bevel gear 92 and the two-way screw rod 91, enables the two push rods 8 to synchronously slide back and forth under the guiding action of the chute 70 to the push rods 8 to push the slide rods 62 to be inserted into the fixed groove 41, then uses the common matching of the micro motor II 119, the gear 113, the rack 112, the rotating ring 111, the supporting rod 114 and the micro cylinder 117 to realize the glue filling of the flexible glue spraying pipe 115 to the gap between the bearing seat 51 and the groove 10, finally fills concrete mortar into the slot 40 to improve the stability of the anti-floating anchor rods 5 fixed in the slot 40, so as to subsequently and directly fill the concrete mortar into the slot 40, thereby improving the convenience when the worker fixes the anti-floating anchor rod 5.
The embodiment of the application also discloses a construction method of the waterproof structure of the anti-floating anchor rod for the deep foundation pit, which comprises the following steps:
s1: a worker opens a slot 40 on the concrete bottom plate 4, so that the slot 40 vertically extends downwards to the upper surface of the foundation 1, and then a groove 10 is opened on the bottom wall of the slot 40;
s2: the end plates 54, the bolts 55 and the waterproof sealing glue layers 12 are matched in advance, the anti-floating anchor rods 5 are spliced into a whole, the whole formed by splicing the anti-floating anchor rods 5 is inserted into the slot 40, and the bottom ends of the anti-floating anchor rods 5 are inserted into the grooves 10;
s3: then, by utilizing the cooperation of the first micro motor 94, the second bevel gear 93, the first bevel gear 92 and the bidirectional screw 91, and under the guiding action of the chute 70, the two push rods 8 synchronously slide to the push rods 8 in opposite directions, so that the slide rods 62 are pushed to be inserted into the fixed grooves 41;
s4: then the cooperation of the micro motor II 119, the gear 113, the rack 112, the rotating ring 111, the support rod 114 and the micro cylinder 117 is utilized to fill the gap between the bearing seat 51 and the groove 10 with the flexible glue spraying pipe 115;
s5: and finally, pouring concrete mortar into the slot 40.
The embodiments of the present invention are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a waterproof construction of anti-floating anchor rod for deep basal pit, includes concrete cushion (2), waterproof layer (3) and concrete bottom plate (4) that set up on ground (1) in order, its characterized in that: the concrete floor is characterized in that a slot (40) is formed in the upper surface of the concrete floor (4), the slot (40) extends to the upper surface of the foundation (1), fixing slots (41) are formed in the slot walls of the slot (40) in the concrete cushion layer (2), the waterproof layer (3) and the concrete floor (4), a plurality of anti-floating anchor rods (5) are inserted into the slot (40), telescopic insertion rods (6) are arranged on the side walls of the anti-floating anchor rods (5), the telescopic insertion rods (6) are in insertion fit with the fixing slots (41) through fixing mechanisms, two adjacent anti-floating anchor rods (5) in the length direction of the slot (40) are connected through connecting pieces, and concrete mortar is poured between the side walls of the anti-floating anchor rods (5) and the slot walls of the slot (40);
the telescopic insertion rod (6) comprises a fixed rod (61) and a sliding rod (62), one end of the fixed rod (61) is connected with the side wall of the anti-floating anchor rod (5), the other end of the fixed rod (61) is connected with the sliding rod (62) in a sliding mode, the sliding rod (62) is matched with the fixed groove (41) in an inserted mode, a shifting rod (63) is arranged on the side wall, close to one end of the fixed rod (61), of the sliding rod (62), the fixing mechanism comprises a connecting rod (7), two pushing rods (8) are arranged on the bottom wall of the connecting rod (7) in a sliding mode, and a driving assembly (9) used for driving the two pushing rods (8) to synchronously slide in the opposite direction or in the opposite direction is arranged on the connecting rod (7);
a sliding groove (70) is formed in the bottom wall of the connecting rod (7), the top end of each pushing rod (8) is in sliding fit with the sliding groove (70), each driving assembly (9) comprises two-way screw rods (91) rotatably connected into the sliding groove (70), one pushing rod (8) is in threaded connection with one end of each two-way screw rod (91), the other pushing rod (8) is in threaded connection with the other end of each two-way screw rod (91), a cavity (72) is formed in the connecting rod (7), each two-way screw rod (91) penetrates through the corresponding cavity (72), a first bevel gear (92) is arranged on each two-way screw rod (91), each first bevel gear (92) is located in the corresponding cavity (72), a driving motor (94) is arranged on the connecting rod (7), a motor shaft of each driving motor (94) penetrates through the side wall of the connecting rod (7) and extends into the corresponding cavity (72), and a second bevel gear (93) is coaxially connected to one end, extending into the cavity (72), of the motor shaft of each driving motor (94), the second bevel gear (93) is meshed with the first bevel gear (92).
2. The waterproof structure of the anti-floating anchor rod for the deep foundation pit according to claim 1, wherein: the side wall of the sliding rod (62) is covered with an elastic abutting piece.
3. The waterproof structure of the anti-floating anchor rod for the deep foundation pit according to claim 1, wherein: be equipped with recess (10) on the roof of ground (1), be located be equipped with on the diapire of anti-floating anchor (5) of slot (40) bottommost and accept seat (51), accept seat (51) and recess (10) cooperation of pegging graft, be equipped with on connecting rod (7) and be used for accepting seat (51) spacing spout gluey subassembly (11) in recess (10).
4. The waterproof structure of the anti-floating anchor rod for the deep foundation pit according to claim 3, wherein: spout gluey subassembly (11) and including rotating swivel becket (111) of connection on connecting rod (7) diapire, swivel becket (111) is kept away from and is equipped with rack (112) on the side wall of week of heart one side, it is connected with gear (113) to rotate on the diapire of connecting rod (7), gear (113) and rack (112) meshing, be equipped with on connecting rod (7) and be used for drive gear (113) pivoted power spare, be equipped with bracing piece (114) on the diapire of swivel becket (111), be equipped with flexible spout rubber tube (115) through the locating part along self direction of height on bracing piece (114), be equipped with the pressing piece that is used for pressing flexible spout rubber tube (115) on bracing piece (114).
5. The waterproof structure of the anti-floating anchor rod for the deep foundation pit according to claim 4, wherein: the side wall of the supporting rod (114) is provided with a micro cylinder (117), and a piston rod of the micro cylinder (117) is connected with a pushing plate (118) for extruding the flexible glue spraying pipe (115).
6. The waterproof structure of the anti-floating anchor rod for the deep foundation pit according to claim 4, wherein: be equipped with spacing groove (53) on the roof of anti-floating anchor rod (5), be equipped with gag lever post (71) on the diapire of connecting rod (7), gag lever post (71) and spacing groove (53) cooperation of pegging graft.
7. The waterproof structure of the anti-floating anchor rod for the deep foundation pit according to claim 1, wherein: two adjacent in anti-floating anchor (5), one of them be equipped with mounting groove (50) on the roof of anti-floating anchor (5), another be equipped with installation piece (52) on the diapire of anti-floating anchor (5), installation piece (52) and mounting groove (50) cooperation of pegging graft, be equipped with a plurality of end plates (54) on the side wall all around of anti-floating anchor (5), it is double-adjacent end plate (54) between anti-floating anchor (5) are fixed through bolt (55), and are double-adjacent it fills space (56) to reserve between anti-floating anchor (5), the connecting piece is including filling waterproof sealing glue layer (12) in filling space (56).
8. The construction method of the waterproof structure of the anti-floating anchor rod for the deep foundation pit according to any one of claims 1 to 7, comprising the steps of:
s1: a worker opens a slot (40) on the concrete bottom plate (4), so that the slot (40) vertically extends downwards to the upper surface of the foundation (1), and then a groove (10) is opened on the bottom wall of the slot (40);
s2: splicing a plurality of anti-floating anchor rods (5) into a whole in advance through connecting pieces, inserting the whole formed by splicing the anti-floating anchor rods (5) into the slot (40), and inserting the bottom ends of the anti-floating anchor rods (5) into the grooves (10);
s3: the driving assembly (9) is used for driving the two push rods (8) to synchronously slide back to push the sliding rods (62) to be in splicing fit with the fixed grooves (41), and the glue spraying assembly (11) is used for limiting the anti-floating anchor rods (5) in the grooves (10);
s4: and pouring concrete mortar into the slot (40).
CN202110826286.9A 2021-07-21 2021-07-21 Waterproof structure of anti-floating anchor rod for deep foundation pit and construction method thereof Active CN113529810B (en)

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CN114837237B (en) * 2022-03-26 2023-10-13 惠州市建筑工程有限公司 Anti-floating anchor pile hole mortar pouring device and construction method thereof
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CN115404860B (en) * 2022-09-06 2024-04-02 中铁一局集团天津建设工程有限公司 Construction method for waterproof node of anti-floating anchor rod

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CN106014464A (en) * 2016-07-27 2016-10-12 屈荐映 Environment-friendly anchor rod for building municipal engineering
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