CN215165653U - Anchor rod supporting structure for improving stability of foundation pit - Google Patents

Abstract

The utility model relates to an improve anchor bolt supporting construction of foundation ditch stability, be applied to excavation supporting's field, it includes tubular pile and stock body, the tubular pile deviates from one side laminating of foundation ditch lateral wall has the bounding wall, one side that the bounding wall deviates from the tubular pile is equipped with the backing plate, bounding wall and backing plate are worn to establish by the stock body, threaded connection has the nut on the stock body, the nut is contradicted with the backing plate, still include the anticreep unit, the anticreep unit includes the anticreep board, the anticreep board is worn to establish by the stock body, the anticreep board is contradicted with one side that the nut deviates from the backing plate, the anticreep groove has been seted up on the stock body, be connected with the anticreep piece that slides the complex with the anticreep groove on the anticreep board, anticreep piece joint restriction is in the anticreep inslot, be connected with the anticreep section of thick bamboo on the anticreep board, the anticreep section of thick bamboo slip is connected with the anticreep pole, the one end that the anticreep section of thick bamboo was kept away from the anticreep pole is pegged into the foundation ditch bottom. Through the setting of anticreep unit in this application, reducible long-term back of using causes the not hard up of backing plate because of the nut pine takes off to influence the possibility of excavation supporting's stability.

Description

Anchor rod supporting structure for improving stability of foundation pit

Technical Field

The application relates to the field of foundation pit support, especially, relate to an anchor bolt supporting construction who improves foundation pit stability.

Background

At present, a foundation pit support is a retaining, reinforcing and protecting measure adopted for a side wall of a foundation pit and a surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. Common foundation pit supporting forms mainly include: piling support, underground continuous wall support, cement retaining wall support, spray anchor support, arch wall construction, soil slope construction and the like.

Chinese patent with publication number CN210766798U discloses an anchor bolt supporting structure for improving foundation pit stability, it includes the tubular pile that distributes side by side along the foundation pit inside wall and inserts the stock subassembly of foundation pit lateral wall, the laminating has the bounding wall on the tubular pile with one side, the stock subassembly includes the body of rod, backing plate and nut, the one end of the body of rod is passed the bounding wall and is inserted the foundation pit lateral wall through the clearance between two adjacent tubular piles, the backing plate is worn to establish on the body of rod and is compressed tightly on the bounding wall, the body of rod is the threaded rod, nut threaded connection is in the body of rod, the one end fixedly connected with anti-pulling component of the body of rod stretched into foundation pit lateral wall, the ground is close to the vertical grout canal of the position of foundation pit, anti-pulling component is located the grout canal, the concrete wall has been watered in the grout canal. During the construction, after the excavation of foundation ditch is accomplished, carry out the tubular pile and strut, excavate the grout canal after that, the body of rod is gone into to the anchor between two adjacent tubular piles after the excavation of grout canal is accomplished, when the anchor, stretch into the grout canal with anti-floating assembly can. Then, the worker pours concrete into the grouting channel to form a concrete wall. And finally, sequentially installing a coaming, a base plate and a nut by a worker to fix the anchor rod assembly.

To the correlation technique among the above-mentioned, nut and body of rod threaded connection to compress tightly the backing plate on the bounding wall, the inventor thinks that the pine takes off easily appears in the long-term back of using, and causes the not hard up of backing plate, thereby influences foundation ditch support's stability.

SUMMERY OF THE UTILITY MODEL

In order to improve long-term the back of using, the nut is easy to appear the pine and takes off, and causes the not hard up of backing plate to influence the defect of excavation supporting's stability, this application provides an anchor bolt supporting construction who improves excavation supporting stability.

The application provides a pair of anchor bolt supporting construction who improves foundation ditch stability adopts following technical scheme:

a anchor rod supporting structure for improving the stability of a foundation pit comprises a plurality of tubular piles distributed side by side along the inner side wall of the foundation pit and a plurality of anchor rod bodies used for being inserted into the side wall of the foundation pit, a coaming is attached to one side, away from the tubular piles, of the tubular piles, a plurality of backing plates are arranged on one side, away from the tubular piles, of the coaming, the anchor rod bodies penetrate through the coaming and the backing plates, nuts are connected to the anchor rod bodies in a threaded mode, the nuts are abutted to the backing plates, the backing plates are abutted to the coaming, an anti-falling unit is further included, the anti-falling unit comprises an anti-falling plate, the anchor rod bodies penetrate through the anti-falling plate, the anti-falling plate is abutted to one side, away from the backing plates, of the nuts, anti-falling grooves are formed in the anchor rod bodies along the length direction of the anchor rod bodies, anti-falling blocks matched with the anti-falling grooves in a sliding mode are connected to the anti-falling blocks in a clamping mode, and the anti-falling grooves penetrate through one end, away from the side wall of the anchor rod bodies of the foundation pit, the anti-falling device is characterized in that an anti-falling cylinder is connected onto the anti-falling plate, an anti-falling rod is connected to the interior of the anti-falling cylinder in a sliding mode, and one end, far away from the anti-falling cylinder, of the anti-falling rod is inserted into the bottom of the foundation pit.

Through adopting above-mentioned technical scheme, during the construction, the operator distributes and inserts the bottom of foundation ditch along the foundation ditch inside wall side by side with a plurality of tubular piles, then inserts the stock body in the foundation ditch lateral wall to establish bounding wall and backing plate on the stock body in proper order, then with nut and stock body threaded connection, rotate the nut, until the nut with the backing plate deviate from one side of bounding wall to support tightly, the backing plate compresses tightly the bounding wall on the tubular pile. The operator slides the anticreep piece in the anticreep inslot, and slide the anticreep piece, it is inconsistent with the nut until the anticreep board, then slide the anticreep section of thick bamboo with the anticreep pole, and keep away from the anticreep pole one end of anticreep section of thick bamboo and insert the foundation ditch bottom, thereby it is fixed with the anticreep board, the anticreep board plays limiting displacement to the nut, reducible nut takes place the possibility of removing on the stock body, thereby reduce long-term the back of using, appear the pine because of the nut and take off, and cause the not hard up of backing plate, thereby influence the possibility of the stability of excavation supporting.

Optionally, the anticreep unit still includes the connecting cylinder, the connecting cylinder is established simultaneously on anticreep pole and anticreep section of thick bamboo, the connecting cylinder is connected with the connecting plate towards the one end of anticreep board, and the other end is connected with the drive plate, the anticreep section of thick bamboo wears to establish the connecting plate and rotates with the connecting plate to be connected, the anticreep pole wear to establish the drive plate and with drive plate threaded connection, be connected with a plurality of sand grips on the lateral wall of connecting cylinder, the length direction setting of connecting cylinder is followed to the sand grip.

Through adopting above-mentioned technical scheme, during the construction, the operator supports the back with anticreep board and nut, rotates the connecting cylinder, and the connecting cylinder drives the anticreep pole and removes towards the foundation ditch bottom, pegs graft into the foundation ditch bottom until the anticreep pole, and the multiplicable frictional force of sand grip reduces the operator and takes place the possibility of skidding when rotating the connecting cylinder.

Optionally, the anticreep unit still includes stabilizing assembly, stabilizing assembly includes firm pole and firm board, firm groove has been seted up along anticreep pole length direction on the lateral wall of anticreep pole, firm groove runs through the one end that the anticreep pole pegged graft and goes into the foundation ditch bottom, the one end of firm pole is connected with the slider, slider joint restriction slides the cooperation in firm inslot and with firm groove, firm board links to each other with the one end that the anticreep pole was kept away from to firm pole, firm board is connected with the joint towards one side of foundation ditch bottom, the joint inserts into the foundation ditch bottom.

Through adopting above-mentioned technical scheme, during the construction, the operator slides the slider card in the stable inslot, then rotates the connecting cylinder, pegs graft into the foundation ditch bottom until the anticreep pole, and the operator slides the slider downwards, inserts into the foundation ditch bottom until the joint to it is fixed bottom the foundation ditch with the joint, thereby further fixed with the anticreep pole, reduced the anticreep pole and taken place the possibility that removes, thereby reduced the anticreep board and taken place the possibility that removes.

Optionally, a grouting groove is formed in the bottom of the foundation pit, the plug connector extends into the grouting groove, and concrete is poured in the grouting groove.

Through adopting above-mentioned technical scheme, during the construction, the operator digs out the grout groove, pegs graft into foundation ditch bottom with the anticreep pole after, the slider that slides down, until the bayonet joint extends into the grout inslot, then concreting to further fixed joint and foundation ditch bottom, further reduced the possibility that the anticreep board takes place to remove.

Optionally, the device also comprises an anti-pulling unit, wherein the anti-pulling unit comprises a pull rod, a transmission rod and an anti-pulling rod, an anti-pulling cavity is formed in the anchor rod body and penetrates through one end of the anchor rod body, which is far away from the side wall of the foundation pit, the pull rod and the transmission rod are both positioned in the anti-pulling cavity, the pull rod is connected with the cavity wall of the anti-pulling cavity in a sliding manner along the length direction of the anchor rod body, one end of the transmission rod is hinged with one end of the pull rod, which faces the side wall of the foundation pit, the other end of the transmission rod faces one end of the anchor rod body, which is inserted into the side wall of the foundation pit, and the transmission rod is obliquely arranged towards the direction of the cavity wall of the uplift cavity, one end of the anti-pulling rod is hinged with one end of the transmission rod far away from the pull rod, an anti-pulling hole communicated with the anti-pulling cavity is formed in the side wall of the anchor rod body, one end, far away from the transmission rod, of the anti-pulling rod extends out of the anti-pulling hole and is inserted into the side wall of the foundation pit, and the anti-pulling rod is matched with the hole wall of the anti-pulling hole in a sliding mode.

By adopting the technical scheme, after the anchor rod body is inserted into the side wall of the foundation pit by an operator, the pull rod is pushed towards the side wall of the foundation pit, the pull rod drives the transmission rod to move, the transmission rod drives the anti-pulling rod to move, and the anti-pulling rod slides out of the anti-pulling cavity along the hole wall of the anti-pulling hole so as to be inserted into the side wall of the foundation pit, so that the anti-pulling property of the anchor rod body is improved.

Optionally, one end of the anchor rod body facing the side wall of the foundation pit is connected with a plug connector used for being inserted into the side wall of the foundation pit, an anti-falling groove is formed in the side wall of the anchor rod body, and the anti-falling groove is close to one end, connected with the plug connector, of the anchor rod body.

Through adopting above-mentioned technical scheme, when the operator inserts the stock body into the foundation ditch lateral wall, peg graft earlier in the foundation ditch lateral wall with the bayonet joint to it is more laborsaving when making the operator peg graft the stock body. The anticreep groove can increase the friction of stock body lateral wall and foundation ditch to further improve the tensile resistance of stock body and pull out.

Optionally, the anchor rod body is connected with the limiting plate on the chamber wall in resistance to plucking chamber, be connected with the fixed plate on the resistance to plucking pole, one side that the limiting plate deviates from the transfer line is connected with the dead lever, the fixed plate is worn to establish by the dead lever, threaded connection has solid fixed ring on the dead lever, gu fixed ring contradicts with one side that the fixed plate deviates from the limiting plate.

Through adopting above-mentioned technical scheme, the operator will promote the pull rod towards the foundation ditch lateral wall, and until fixed plate and limiting plate laminating, the fixed plate was worn to establish by the dead lever, and at this moment, in the anti-pulling rod inserted the foundation ditch lateral wall, the operator will gu fixed ring and dead lever threaded connection to rotate solid fixed ring, contradict until solid fixed ring and one side that the fixed plate deviates from the limiting plate, thereby fix the pull rod, reduce because of the pull rod takes place to remove and lead to the possibility that anti-pulling rod and foundation ditch lateral wall break away from.

Optionally, be connected with the locating plate on the lateral wall of pull rod, work as when the anti-dead lever is kept away from the one end shrink of transfer line and is gone into in the anti-dead lever, the locating plate is laminated mutually with one side that the limiting plate deviates from the fixed plate.

Through adopting above-mentioned technical scheme, during the dismantlement, the operator moves the pull rod orientation towards the direction of keeping away from the foundation ditch lateral wall, until locating plate and fixed plate laminating, the one end that the transfer line was kept away from to the anti-dead lever this moment is in the anti-dead hole of contracting completely, the operator can be pulled out the stock body from the foundation ditch lateral wall. The matching of the positioning plate and the limiting plate can reduce the possibility that an operator exerts excessive force when pulling the pull rod, so that the anti-pulling rod is completely contracted into the anti-pulling cavity.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the anti-falling unit can reduce the possibility that the stability of the foundation pit support is influenced due to the fact that the backing plate is loosened due to the fact that the nut is loosened after long-term use;

2. through the arrangement of the anti-pulling unit, the anti-pulling property of the anchor rod body can be improved;

3. through the setting of locating plate and limiting plate, reducible operator is excessive because of exerting oneself when pulling the pull rod for the possibility that resistance to plucking pole contracts into the resistance to plucking intracavity completely.

Drawings

Fig. 1 is a schematic overall structure diagram of an anchor supporting structure for improving stability of a foundation pit according to an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram for embodying the anti-drop groove in the embodiment of the present application.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is an enlarged view of a portion C in fig. 3.

Fig. 6 is a schematic structural diagram for embodying a stopper bar in the embodiment of the present application.

Fig. 7 is a schematic structural diagram for embodying a pulling-resistant unit in the embodiment of the present application.

Fig. 8 is an enlarged view of a portion D in fig. 7.

Description of reference numerals: 1. a tubular pile; 11. enclosing plates; 12. a base plate; 13. a nut; 2. an anchor body; 21. a plug-in connector; 3. an anti-drop unit; 31. an anti-drop plate; 32. a drop-proof groove; 33. an anti-drop block; 34. an anti-drop cylinder; 341. a limiting strip; 35. an anti-drop rod; 351. a limiting groove; 36. a connecting cylinder; 361. a convex strip; 37. a connecting plate; 38. a drive plate; 4. a stabilizing assembly; 41. a stabilizing rod; 411. connecting blocks; 42. a stabilizing plate; 43. a stabilizing groove; 44. a slider; 45. a clamping head; 46. grouting grooves; 5. an anti-pulling unit; 51. a pull rod; 52. a transmission rod; 53. an anti-pulling rod; 54. an anti-plucking cavity; 55. anti-pulling holes; 56. a limiting plate; 561. fixing the rod; 562. a fixing ring; 57. a fixing plate; 58. positioning a plate; 6. and (6) foundation pit.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses anchor bolt supporting construction who improves foundation ditch stability.

Referring to fig. 1 and 2, an anchor supporting structure for improving stability of a foundation pit includes a foundation pit 6, a pipe pile 1, a surrounding plate 11, an anchor body 2, and a backing plate 12. The tubular pile 1 body is provided with a plurality ofly, and a plurality of tubular pile 1 bodies distribute side by side along the lateral wall of foundation ditch 6, and tubular pile 1 is vertical to be set up, and the one end of tubular pile 1 body is pegged graft into foundation ditch 6 bottom. One side that coaming 11 and tubular pile 1 body deviate from 6 lateral walls of foundation ditch is contradicted, and coaming 11 perpendicular to tubular pile 1 sets up. In 6 lateral walls of foundation ditch are pegged graft into to the one end of stock body 2, and apron 11 and backing plate 12 are worn to establish by stock body 2, and backing plate 12 contradicts with one side that apron 11 deviates from tubular pile 1. The anchor rod body 2 is sleeved with a nut 13 in threaded connection, and the nut 13 is abutted against one side of the backing plate 12 departing from the coaming 11. The anchor rod body 2 is connected with an anti-drop unit 3, and an anti-pulling unit 5 is arranged in the anchor rod body 2. During the construction, the operator arranges tubular pile 1 back on foundation ditch 6 lateral walls, insert anchor rod body 2 in the lateral wall, then pass bounding wall 11 and backing plate 12 with anchor rod body 2 in proper order, and with nut 13 and 2 threaded connection of anchor rod body, rotate nut 13, compress tightly bounding wall 11 on tubular pile 1 through backing plate 12 until nut 13, be connected anticreep unit 3 and foundation ditch 6 bottom again, in order to reduce the possibility that nut 13 pine takes off, be connected resistance to plucking unit 5 and foundation ditch 6 lateral walls at last, in order to improve the resistance to plucking of anchor rod body 2.

Referring to fig. 3 and 4, the anti-slip unit 3 includes an anti-slip plate 31, the anchor body 2 penetrates through the anti-slip plate 31, an anti-slip groove 32 is formed in the side wall of the anchor body 2 along the length direction of the anti-slip groove, the anti-slip groove 32 is a dovetail groove, and the anti-slip groove 32 penetrates through one end of the anchor body 2 away from the side wall of the foundation pit 6. The anti-falling plate 31 is connected with an anti-falling block 33, and the anti-falling block 33 is clamped and limited in the anti-falling groove 32 and slides along the anti-falling groove 32.

Referring to fig. 5 and 6, the anti-disengaging unit 3 further includes an anti-disengaging cylinder 34, a connecting cylinder 36 and an anti-disengaging rod 35, one end of the anti-disengaging cylinder 34 is fixedly connected to one side of the anti-disengaging plate 31 facing the bottom of the foundation pit 6, the anti-disengaging cylinder 34 is sleeved on the anti-disengaging rod 35, and one end of the anti-disengaging rod 35, which is far away from the anti-disengaging cylinder 34, is inserted into the bottom of the foundation pit 6. Spacing 341 of edge self length direction fixedly connected with on the inside wall of anticreep section of thick bamboo 34, spacing groove 351 has been seted up along self length direction on the lateral wall of anticreep pole 35, and spacing 341 slides along spacing groove 351. The connecting cylinder 36 is sleeved on the anti-drop cylinder 34 and the anti-drop rod 35, a connecting plate 37 is fixed at one end of the connecting cylinder 36 facing the anti-drop plate 31, and the anti-drop cylinder 34 penetrates through the anti-drop plate 31 and is rotatably connected with the anti-drop plate 31. One end of the connecting cylinder 36, which is far away from the anti-dropping plate 31, is fixedly connected with a driving plate 38, and the anti-dropping rod 35 penetrates through the driving plate 38 and is in threaded connection with the driving plate 38. A plurality of protruding strips 361 are fixedly connected to the outer side wall of the connecting cylinder 36, and the protruding strips 361 are arranged along the length direction of the connecting cylinder 36.

Referring to fig. 5 and 6, after the operator screws up nut 13, slide anti-disengaging block 33 into anti-disengaging groove 32, then remove anti-disengaging plate 31 until anti-disengaging plate 31 contradicts with one side that nut 13 deviates from backing plate 12, then rotate connecting cylinder 36, connecting cylinder 36 drives anti-disengaging rod 35 and moves towards foundation ditch 6 bottom, until anti-disengaging rod 35 pegs graft into foundation ditch 6 bottom to it is fixed to prevent anti-disengaging plate 31. The anti-loosening plate 31 has a limiting effect on the nut 13, and the possibility of loosening of the nut 13 can be reduced, so that the possibility of influence on the stability of the foundation pit 6 support due to loosening of the nut 13 and the fact that looseness occurs between the coaming 11 and the tubular pile 1 is reduced. The ribs 361 increase friction to reduce the likelihood of slippage when the operator rotates the connector barrel 36.

Referring to fig. 5 and 6, the escape prevention unit 3 further includes a stabilizing assembly 4, and the stabilizing assembly 4 includes a stabilizing rod 41 and a stabilizing plate 42. The side wall of the anti-falling rod 35 is provided with a stabilizing groove 43 along the length of the side wall, the stabilizing groove 43 is a dovetail groove, and the stabilizing groove 43 penetrates through one end of the anti-falling rod 35, which is far away from the anti-falling cylinder 34. The stabilizing rod 41 has one end disposed toward the escape prevention rod 35 and the other end disposed to be inclined downward toward a direction away from the escape prevention rod 35. The one end fixedly connected with connecting block 411 of stabilizing rod 41 towards anticreep pole 35, one side fixedly connected with slider 44 that connecting block 411 deviates from stabilizing rod 41, and slider 44 joint restriction slides along stabilizing groove 43 in stabilizing groove 43. One end of the stabilizing rod 41 far away from the sliding block 44 is fixedly connected with the stabilizing plate 42, the stabilizing plate 42 is fixedly connected with a clamping joint 45 towards one side of the bottom of the foundation pit 6, a grouting groove 46 is formed in the foundation pit 6, the clamping joint 45 extends into the grouting groove 46, and concrete is poured in the grouting groove 46.

Referring to fig. 5 and 6, an operator rotates the connecting cylinder 36, the connecting cylinder 36 drives the anti-falling rod 35 to move towards the bottom of the foundation pit 6, before the anti-falling rod 35 is inserted into the bottom of the foundation pit 6, the sliding block 44 slides into the stabilizing groove 43, and then the connecting cylinder 36 continues to rotate until the anti-falling rod 35 is inserted into the bottom of the foundation pit 6. The operator slides the slider 44 until the clip head 45 extends into the grouting groove 46, and then pours concrete into the grouting groove 46, so as to further fix the anti-separation rod 35, further reduce the possibility of displacement of the anti-separation rod 35, and further reduce the possibility of displacement of the anti-separation plate 31.

Referring to fig. 7 and 8, the one end fixedly connected with bayonet joint 21 of foundation ditch 6 lateral wall is pegged graft into to stock body 2, and bayonet joint 21 and stock body 2 integrated into one piece, and it is more convenient laborsaving when bayonet joint 21 makes the operator peg graft into foundation ditch 6 lateral wall with stock body 2. A plurality of anticreep grooves 32 have been seted up on the lateral wall of stock body 2, anticreep groove 32 is close to the one end that stock body 2 was provided with bayonet joint 21, and anticreep groove 32 is the annular, and anticreep groove 32 can increase the friction of the lateral wall of stock body 2 and 6 lateral walls of foundation ditch to increase the tensile pull-out resistance of stock body 2.

Referring to fig. 7, the anti-pulling unit 5 includes a pulling bar 51. An anti-pulling cavity 54 is formed in the anchor rod body 2, the anti-pulling cavity 54 penetrates into the plug-in connector 21, and the anti-pulling cavity 54 penetrates through one end, far away from the plug-in connector 21, of the anchor rod body 2. The pull rod 51 is positioned in the anti-pulling cavity 54, and one end of the pull rod 51 far away from the plug 21 extends out of the anti-pulling cavity 54. The side wall of the pull rod 51 is fixedly connected with a fixing plate 57 and a positioning plate 58, the fixing plate 57 and the positioning plate 58 are both attached to the side wall of the anti-pulling cavity 54, and the fixing plate 57 is located on one side of the positioning plate 58 departing from the plug 21. The side wall of the pull rod 51 is attached to the side wall of the anti-pulling cavity 54, and the pull rod 51 can slide along the side wall of the anti-pulling cavity 54.

Referring to fig. 4 and 7, a limiting plate 56 is fixedly connected to a side wall of the anti-pulling cavity 54, a fixing rod 561 is fixedly connected to one side of the limiting plate 56 facing the fixing plate 57, the fixing rod 561 penetrates through the fixing plate 57, a fixing ring 562 is connected to the fixing rod 561 in a threaded manner, the fixing ring 562 is abutted to one side of the fixing plate 57 departing from the limiting plate 56, and the fixing plate 57 is abutted to one side of the limiting plate 56 departing from the plug 21.

Referring to fig. 7 and 8, the anti-plucking unit 5 further includes two transmission rods 52 and two anti-plucking rods 53, one transmission rod 52 corresponding to one anti-plucking rod 53. One end of the transmission rod 52 is hinged with one side of the pull rod 51 facing the plug 21, the other end of the transmission rod 52 faces the plug 21 and is obliquely arranged in the direction away from the straight line of the pull rod 51, and one end of the transmission rod 52 away from the pull rod 51 is hinged with the pulling-resistant rod 53. The anti-pulling rod 53 is away from the transmission rod 52, and is obliquely arranged towards the direction of the straight line where the pull rod 51 is away from, the anti-pulling rod 53 is away from the transmission rod 52, the anti-pulling hole 55 is formed in the side wall of the plug connector 21, the anti-pulling rod 53 penetrates through the anti-pulling hole 55 and is inserted into the side wall of the foundation pit 6, the side wall of the anti-pulling rod 53 is attached to the hole wall of the anti-pulling hole 55, and the anti-pulling rod 53 can slide along the hole wall of the anti-pulling hole 55.

Referring to fig. 7 and 8, an operator pushes the pull rod 51 towards the side wall of the foundation pit 6, the pull rod 51 drives the transmission rod 52 to move, the transmission rod 52 drives the anti-pulling rod 53 to slide out of the anti-pulling cavity 54 until the fixed rod 561 penetrates through the fixed plate 57, the fixed plate 57 is attached to the limiting plate 56, at this time, the anti-pulling rod 53 is inserted into the side wall of the foundation pit 6, the operator connects the fixed ring 562 with the fixed rod 561 in a threaded manner, and screws the fixed ring 562 tightly, so that the pull rod 51 is fixed. Because the anti-pulling rod 53 is inserted in the side wall of the foundation pit 6, the anti-pulling rod 53 can further improve the anti-pulling property of the anchor rod body 2. During disassembly, an operator unscrews the fixing ring 562 from the fixing rod 561, then pulls the pull rod 51 towards a direction away from the side wall of the foundation pit 6, the pull rod 51 drives the transmission rod 52 to move, the transmission rod 52 drives the anti-pulling rod 53 to contract towards the anti-pulling cavity 54 until the positioning plate 58 is attached to one side, facing the plug 21, of the limiting plate 56, and at the moment, one end, away from the transmission rod 52, of the anti-pulling rod 53 contracts into the anti-pulling hole 55, so that the possibility that the anti-pulling rod 53 completely contracts into the anti-pulling cavity 54 due to excessive force applied when the operator pulls the transmission rod 52 is reduced.

The implementation principle of the anchor bolt supporting structure for improving the stability of the foundation pit is as follows: during installation, an operator vertically inserts the tubular pile 1 into the bottom of the foundation pit 6 and enables the tubular pile 1 to be abutted against the side wall of the foundation pit 6, then inserts the inserting-connecting head 21 and part of the anchor rod body 2 into the side wall of the foundation pit 6, sequentially sleeves the enclosing plate 11 and the backing plate 12 on the anchor rod body 2, and screws the nut 13 tightly, so that the backing plate 12 tightly presses the enclosing plate 11 on the tubular pile 1; an operator slides the anti-falling block 33 into the anti-falling groove 32 to enable the anti-falling plate 31 to abut against the nut 13, then slides the sliding block 44 into the stabilizing groove 43, rotates the connecting cylinder 36 until the anti-falling rod 35 is inserted into the bottom of the foundation pit 6, extends the clamping head 45 into the grouting groove 46, and pours concrete into the grouting groove 46, so that the fixation of the anti-falling rod 35 is completed; the operator pushes the pull rod 51 towards the side wall of the foundation pit 6 until the fixing rod 561 penetrates through the fixing plate 57 and the fixing plate 57 is attached to the limiting plate 56, and then the fixing ring 562 is screwed, so that the installation is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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 an improve anchor bolt supporting construction of foundation ditch stability, includes a plurality of tubular piles (1) that distribute side by side along foundation ditch (6) inside wall and a plurality of stock bodies (2) that are used for inserting foundation ditch (6) lateral wall, tubular pile (1) deviates from one side laminating of foundation ditch (6) lateral wall has bounding wall (11), one side that bounding wall (11) deviates from tubular pile (1) is equipped with a plurality of backing plates (12), stock body (2) are worn to establish bounding wall (11) and backing plate (12), threaded connection has nut (13) on stock body (2), nut (13) are contradicted with backing plate (12), backing plate (12) are contradicted with bounding wall (11), its characterized in that: still include anticreep unit (3), anticreep unit (3) include anticreep board (31), anticreep board (31) are worn to establish in stock body (2), anticreep board (31) contradict with one side that nut (13) deviate from backing plate (12), anticreep groove (32) have been seted up along self length direction on stock body (2), be connected with on anticreep board (31) and slide complex anticreep piece (33) with anticreep groove (32), anticreep piece (33) joint restriction is in anticreep groove (32), anticreep groove (32) link up the one end that foundation ditch (6) lateral wall were kept away from in stock body (2), be connected with anticreep section of thick bamboo (34) on anticreep board (31), anticreep section of thick bamboo (34) internal slipping is connected with anticreep pole (35), the one end that anticreep section of thick bamboo (34) was kept away from in anticreep pole (35) is inserted and is gone into foundation ditch (6) bottom.

2. The bolting structure for improving foundation pit stability according to claim 1, wherein: anticreep unit (3) still include connecting cylinder (36), connecting cylinder (36) are established simultaneously on anticreep pole (35) and anticreep section of thick bamboo (34), connecting cylinder (36) are connected with connecting plate (37) towards the one end of anticreep board (31), and the other end is connected with drive plate (38), anticreep section of thick bamboo (34) are worn to establish connecting plate (37) and are connected with connecting plate (37) rotation, anticreep pole (35) are worn to establish drive plate (38) and with drive plate (38) threaded connection, be connected with a plurality of sand grips (361) on the lateral wall of connecting cylinder (36), the length direction setting of connecting cylinder (36) is followed in sand grip (361).

3. The bolting structure for improving foundation pit stability according to claim 1, wherein: anti-disengaging unit (3) still include stabilizing assembly (4), stabilizing assembly (4) is including stabilizing pole (41) and firm board (42), stable groove (43) have been seted up along anti-disengaging pole (35) length direction on the lateral wall of anti-disengaging pole (35), one end of foundation ditch (6) bottom is pegged graft in anti-disengaging pole (35) is run through in stable groove (43), the one end of stable pole (41) is connected with slider (44), slider (44) joint restriction is in stable groove (43) and with the cooperation of sliding in stable groove (43), the one end that anti-disengaging pole (35) were kept away from with stable pole (41) to firm board (42) links to each other, one side that stable board (42) were towards foundation ditch (6) bottom is connected with joint head (45), foundation ditch (6) bottom is pegged graft in to joint head (45).

4. A bolting configuration for improving stability of foundation pit according to claim 3, characterized in that: grout groove (46) have been seted up to foundation ditch (6) bottom, in bayonet joint (21) extend into grout groove (46), concrete has been pour in grout groove (46).

5. The bolting structure for improving foundation pit stability according to claim 1, wherein: still include resistance to plucking unit (5), resistance to plucking unit (5) includes pull rod (51), transfer line (52) and resistance to plucking pole (53), resistance to plucking chamber (54) has been seted up in stock body (2), resistance to plucking chamber (54) run through the one end that stock body (2) kept away from foundation ditch (6) lateral wall, pull rod (51) and transfer line (52) all are located resistance to plucking chamber (54), the chamber wall of pull rod (51) and resistance to plucking chamber (54) slides along the length direction of stock body (2) and is connected, transfer line (52) one end is articulated with the one end that pull rod (51) were towards foundation ditch (6) lateral wall, the other end orientation stock body (2) are pegged graft into the one end of foundation ditch (6) lateral wall and are towards the chamber wall direction slope setting of resistance to plucking chamber (54), resistance to plucking pole (53) one end is articulated with the one end that transfer line (52) kept away from pull rod (51), the anchor rod is characterized in that an anti-pulling hole (55) communicated with an anti-pulling cavity (54) is formed in the side wall of the anchor rod body (2), one end, far away from the transmission rod (52), of the anti-pulling rod (53) extends out of the anti-pulling hole (55) and is inserted into the side wall of the foundation pit (6), and the anti-pulling rod (53) is matched with the hole wall of the anti-pulling hole (55) in a sliding mode.

6. A bolting structure for improving foundation pit stability according to claim 5, characterized in that: the anchor rod body (2) is connected with the connector (21) that is used for pegging graft into foundation ditch (6) lateral wall towards the one end of foundation ditch (6) lateral wall, anticreep groove (32) have been seted up on the lateral wall of anchor rod body (2), anticreep groove (32) are close to anchor rod body (2) and are connected with the one end of connector (21).

7. A bolting structure for improving foundation pit stability according to claim 5, characterized in that: the anchor rod body (2) is connected with limiting plate (56) on the chamber wall of anti-pulling chamber (54), be connected with fixed plate (57) on anti-pulling rod (53), one side that limiting plate (56) deviate from transfer line (52) is connected with dead lever (561), fixed plate (57) are worn to establish by dead lever (561), threaded connection has solid fixed ring (562) on dead lever (561), gu fixed ring (562) contradict with one side that fixed plate (57) deviate from limiting plate (56).

8. A bolting structure for improving foundation pit stability according to claim 7, characterized in that: be connected with locating plate (58) on the lateral wall of pull rod (51), when anti dead lever (53) keep away from the one end shrink of transfer line (52) and go into in anti-pulling hole (55), locating plate (58) and limiting plate (56) are laminated mutually in the one side that deviates from fixed plate (57).

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