CN213836670U

CN213836670U - Foundation pit supporting structure

Info

Publication number: CN213836670U
Application number: CN202022555008.8U
Authority: CN
Inventors: 杜耀辉
Original assignee: Dongguan Jianan Pile Foundation Engineering Co ltd
Current assignee: Dongguan Jianan Pile Foundation Engineering Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-30
Anticipated expiration: 2030-11-06

Abstract

The utility model belongs to the technical field of excavation supporting and relates to a supporting construction is related to, including backup pad and a plurality of support stake, the backup pad is formed by polylith guard plate concatenation in proper order, a lateral wall of each guard plate laminating foundation ditch lateral wall is provided with many supporting anchor rods that are cavity setting, a lateral wall of each guard plate laminating foundation ditch lateral wall is provided with and struts the logical groove of stock one-to-one and intercommunication, the one end that the guard plate was kept away from to the supporting anchor rod inserts the foundation ditch lateral wall, the one end of supporting stake inserts the foundation ditch hole at the bottom of, be provided with between the other end of support stake and the supporting anchor rod and be used for linking together the connecting piece of anchor rod and support stake. The utility model discloses a foundation ditch lateral wall, including the guard plate, the guard plate is connected with the guard plate, and the guard plate is fixed in the foundation ditch, and the guard plate is connected with the guard plate, and the guard plate is connected with the foundation ditch lateral wall.

Description

Foundation pit supporting structure

Technical Field

The application relates to the field of foundation pit support, especially, relate to a foundation pit support structure.

Background

In order to ensure the smooth construction of the foundation pit and the safety of surrounding buildings, a supporting structure is generally arranged between the foundation pit and the side wall of the foundation pit, the supporting structure of the foundation pit has various forms, and the supporting structure of the foundation pit is used for preventing underground water and soil outside the foundation pit from flowing into the foundation pit.

The existing foundation pit supporting structure comprises a bottom plate fixed to the bottom of a foundation pit, a protection plate attached to and supporting the side wall of the foundation pit and a supporting rod installed between the bottom plate and the protection plate, wherein the protection plate is pressed on the side wall of the foundation pit through the supporting rod, and therefore the side wall of the foundation pit is reinforced.

In view of the above-mentioned related technologies, the inventor believes that when the bottom of the pit in the foundation pit is not reinforced by concrete, the supporting force of the foundation pit supporting structure on the side wall of the foundation pit is relatively small, so that the side wall of the foundation pit is not stably supported.

SUMMERY OF THE UTILITY MODEL

In order to strengthen the holding power of foundation ditch lateral wall, this application provides a foundation ditch supporting construction.

The application provides a foundation ditch supporting construction adopts following technical scheme:

the utility model provides a foundation pit supporting structure, includes backup pad and a plurality of support stake, the backup pad is formed by the polylith guard plate concatenation in proper order, each a lateral wall of guard plate laminating foundation ditch lateral wall is provided with many supporting anchor rods that are cavity setting, each a lateral wall of guard plate laminating foundation ditch lateral wall be provided with supporting the logical groove of anchor rod one-to-one and intercommunication, supporting the anchor rod and keeping away from the one end of guard plate inserts the foundation ditch lateral wall, support the one end of stake and insert the foundation ditch at the bottom of the hole, support the stake the other end with it is used for with to support between the anchor rod support the anchor rod and support the connecting piece that the stake.

Through adopting above-mentioned technical scheme, polylith guard plate concatenation forms the backup pad in order to form the support protection to the foundation ditch lateral wall, utilizes and struts the stock and insert the foundation ditch lateral wall to play the effect of strutting to the foundation ditch, utilize the connecting piece to make and support stake and guard plate and link together, strengthened the stability between guard plate and the support stake, make firm the fixing in the foundation ditch of guard plate, increase the engaging force between guard plate and the foundation ditch lateral wall, thereby strengthened the ability of strutting to the foundation ditch lateral wall.

Preferably, a plurality of supporting rods are arranged in the supporting anchor rod, a plurality of through holes are formed in the side wall of the supporting anchor rod, the supporting rods penetrate through the corresponding through holes and extend out of the through holes, and a pushing piece used for pushing the supporting rods to extend out of the through holes is arranged in the supporting anchor.

Through adopting above-mentioned technical scheme, utilize the impeller to promote many spinal branchs pole and stretch out the through-hole and anchor in the foundation ditch lateral wall, add branch and can increase the foundation ditch and the area of contact between to the reinforcing is strutted stock and foundation ditch lateral wall's power of being connected, and it is more stable to make the stock of strutting insert the foundation ditch lateral wall.

Preferably, the pushing piece is a pushing rod, the pushing rod is inserted into the support anchor rod, a tip portion is arranged at one end, inserted into the support anchor rod, of the pushing rod, and the side wall of the tip portion is abutted to one end of the supporting rod.

Through adopting above-mentioned technical scheme, the setting of catch bar so that the staff promotes many spinal branch and stretches out the through-hole, and the one end of catch bar is provided with sharp portion simultaneously to in the catch bar inserts and struts the stock, make branch better outside being released the through-hole.

Preferably, the connecting piece is including connecting the lid, connect the lid set up in logical inslot, the lateral wall of connecting the lid is provided with the slider, lead to the groove cell wall have with the spout that the slider corresponds, the spout tank bottom is provided with the arc wall, the slider with the spout cooperation of sliding, work as the slider slides extremely the spout with during the intercommunication department of arc wall, rotate the connection lid, the slider with the cooperation of arc wall joint.

Through adopting above-mentioned technical scheme, the slider slides the cooperation so that connect the lid to place in leading to the groove with the spout, rotates to connect the lid and makes slider and arc wall joint cooperation, makes from this to connect the lid to fix at logical inslot, so easy operation to be convenient for connect the lid installation and dismantle on the guard plate.

Preferably, one end of the connecting cover, which is far away from the support anchor rod, is used for aligning the limiting blocks of the support pile, and a locking assembly for locking and unlocking is arranged between the two limiting blocks and the support pile.

By adopting the technical scheme, the limiting block is arranged to limit the supporting pile so as to position the supporting pile quickly, the limiting block and the supporting pile are locked by the locking component, and the supporting pile is fixed on the supporting plate so as to support and fix the supporting plate.

Preferably, the locking assembly comprises a positioning pin and a spring, the positioning pin is arranged on the limiting block, a positioning groove for the positioning pin to extend out and retract is formed in the surface of one side of the limiting block, the spring is arranged between the bottom of the positioning groove and the positioning pin, a positioning hole is formed in the side wall of the supporting pile, and the positioning pin is in plug-in fit with the positioning hole.

Through adopting above-mentioned technical scheme, add locating pin and spring, make the locating pin insert the locating hole to lock the location to the support stake, so that the subsequent operation of fixing the support stake of staff.

Preferably, a fastening piece is arranged between the support pile and the connection cover, the fastening piece is a bolt, a through hole corresponding to the bolt is formed in the support pile, a threaded hole is formed in the connection cover, and the bolt penetrates through the through hole and is in threaded connection with the threaded hole.

Through adopting above-mentioned technical scheme, add bolt through-hole and the screw hole threaded connection who corresponds, make from this support stake firm be fixed in the guard plate on, make the fastness that has strengthened between support stake and the connection lid.

Preferably, two ends, opposite to each other, of two adjacent protection plates are respectively provided with a first splicing block and a second splicing block, and the first splicing block and the second splicing block are spliced and matched.

Through adopting above-mentioned technical scheme, first splice piece and the cooperation of second splice piece concatenation have played the positioning action to the guard plate, make the difficult skew of guard plate when the installation walk the position.

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

1. the support anchor rods are inserted into the side wall of the foundation pit to support the foundation pit, the support piles are connected with the protection plates through the connecting pieces, the stability between the protection plates and the support piles is enhanced, the protection plates are firmly fixed in the foundation pit, the connecting force between the protection plates and the side wall of the foundation pit is increased, and therefore the support capability of the side wall of the foundation pit is enhanced;

2. pushing the plurality of supporting rods to extend out of the through holes and be anchored on the side wall of the foundation pit by utilizing the pushing piece, and increasing the supporting rods can increase the contact area between the foundation pit and the supporting rods, so that the connecting force of the supporting anchor rods and the side wall of the foundation pit is enhanced;

3. the slider slides the cooperation with the spout so that the connection lid is placed in leading to the groove, rotates the connection lid and makes slider and arc wall joint cooperation, makes the connection lid fix at logical inslot from this, so easy operation.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic diagram of a portion of an embodiment of the present application;

FIG. 3 is a schematic view of the assembly relationship between the support piles and the fender panels according to the embodiment of the present application;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 3;

fig. 6 is an enlarged view of a portion C in fig. 3.

Description of reference numerals: 1. a protection plate; 2. supporting piles; 3. a first splice block; 4. a second splice block; 5. supporting an anchor rod; 6. a through groove; 7. pricking a tip; 8. a push rod; 9. a strut; 10. a tip portion; 11. a connecting cover; 12. a slider; 13. a chute; 14. an arc-shaped slot; 15. a limiting block; 16. a locking assembly; 161. positioning pins; 162. a spring; 17. positioning holes; 18. a bolt; 19. a through hole; 20. a threaded hole; 21. positioning a groove; 22. shifting blocks; 23. a groove is poked; 24. a butting block; 25. a diagonal bar; 26. a cross bar; 27. and (6) foundation pit.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a foundation ditch 27 supporting construction. Referring to fig. 1, a foundation pit supporting structure comprises a supporting plate and a plurality of supporting piles 2, wherein the supporting plate is formed by sequentially splicing a plurality of rectangular protective plates 1. In this embodiment, two adjacent opposite ends of the protection plate 1 are respectively provided with a first splicing block 3 and a second splicing block 4, the first splicing block 3 is integrally formed on a side wall of the protection plate 1, and the first splicing block 3 is arranged along the length direction of the protection plate 1. The second splicing block 4 is integrally formed on one side wall of the other protection plate 1, and the second splicing block 4 is arranged along the length direction of the protection plate 1. The first splicing block 3 is spliced and matched with the second splicing block 4, so that the protection plates 1 are positioned conveniently.

Referring to fig. 2, a support anchor rod 5 is welded to one side wall of each protection plate 1, which is attached to the side wall of the foundation pit 27, and the support anchor rod 5 is arranged in a hollow manner. Meanwhile, a through groove 6 corresponding to the support anchor rod 5 and communicated with the support anchor rod 5 is formed in the surface, attached to the side wall of the foundation pit 27, of each protection plate 1. The end of the support anchor rod 5, which is far away from the protection plate 1, is welded with a barbed end 7 so that the support anchor rod 5 is anchored on the side wall of the foundation pit 27. A plurality of supporting rods 9 are arranged in the supporting anchor rod 5, in this embodiment, the plurality of supporting rods 9 form two rows, the two rows of supporting rods 9 are respectively located at two ends of the diameter direction of the supporting anchor rod 5, the number of the supporting rods 9 in each row is two, and the two supporting rods 9 are arranged along the length direction of the supporting anchor rod 5.

Meanwhile, the side wall of the support anchor rod 5 is provided with a plurality of through holes 19 corresponding to the support rods 9 in number one by one, and the support rods 9 penetrate through the corresponding through holes 19 and extend out of the through holes 19. The support anchor rod 5 is internally provided with a pushing piece for pushing the plurality of supporting rods 9 to extend out of the through holes 19, and the pushing piece is a pushing rod 8 in the embodiment. The push rod 8 is inserted into the support anchor rod 5, one end of the push rod inserted into the support anchor rod 5 is welded with a tip portion 10, and the side wall of the tip portion 10 is abutted to one end of the support rod 9 located in the support anchor rod 5. Through promoting catch bar 8, make point portion 10 and branch 9 keep away from the one end of stretching out to foundation ditch 27 lateral wall and contradict to make branch 9 stretch out through-hole 19, can increase the area of contact of strutting stock 5 and foundation ditch 27 lateral wall from this, with the reinforcing and strut the side direction engaging power between stock 5 and the foundation ditch 27 lateral wall. In addition, in order to prevent the strut 9 from being easily separated from the through hole 19, an abutting block 24 is welded to one end of the strut 9 located in the support anchor 5 to limit the position of the strut 9.

Referring to fig. 3 and 4, after the push rod is inserted into the corresponding supporting anchor rod 5, a plurality of supporting piles 2 need to be connected with the protection plate 1, so as to strengthen the supporting effect on the side wall of the supporting foundation pit 27 of the protection plate 1, one end of each supporting pile 2 is inserted into the bottom of the foundation pit 27, a connecting piece for connecting the supporting plate with the supporting piles 2 is arranged between the other end of each supporting pile 2 and the corresponding supporting anchor rod 5, in the embodiment, the number of the connecting pieces is in one-to-one correspondence with the number of the through grooves 6, the connecting pieces are connecting covers 11, the connecting covers 11 are arranged in the through grooves 6, and the vertical cross sections of the connecting covers 11 are in a circular arrangement. The side wall of the connection cover 11 is connected with a slider 12, preferably by welding or bonding. Meanwhile, the groove wall of the through groove 6 is provided with a sliding groove 13 corresponding to the sliding block 12, and the sliding groove 13 is arranged along the height direction of the through groove 6 at one end of the through groove 6 far away from the side wall of the foundation pit 27. The bottom of the sliding groove 13 is communicated with an arc-shaped groove 14, and the arc-shaped groove 14 is arranged along the circumferential direction of the through groove 6. When installing connection lid 11, align corresponding spout 13 with slider 12 earlier, make slider 12 and spout 13 cooperation of sliding, when slider 12 slides to spout 13 and arc wall 14's intercommunication department, rotate connection lid 11, slider 12 and arc wall 14 joint cooperation, so just can fix connection lid 11 in leading to groove 6.

Referring to fig. 5 and 6, two limiting blocks 15 for limiting the supporting pile 2 are welded at one end of each connecting cover 11 away from the supporting anchor rod 5, locking assemblies 16 for locking and unlocking are arranged between the two limiting blocks 15 and the supporting pile 2, and in this embodiment, each set of locking assemblies 16 includes a positioning pin 161 and a spring 162. Locating pin 161 sets up on stopper 15, and the constant head tank 21 that supplies locating pin 161 to stretch out and the retraction is all seted up on two relative both sides surfaces of stopper 15, and spring 162 sets up in constant head tank 21, and spring 162's both ends respectively fixed connection in locating pin 161 and constant head tank 21 tank bottom. The support pile 2 is provided with positioning holes 17 corresponding to the positioning pins 161 in each group of locking assemblies 16 on the surfaces of both sides in the width direction, and each positioning pin 161 is in insertion fit with the corresponding positioning hole 17. Further, in order to facilitate the insertion of the positioning pin 161 into the positioning hole 17, an end of the positioning pin 161 remote from the spring 162 is provided with a guide surface, and the guide surface is provided obliquely from the end remote from the spring 162 toward the end remote from the connection cover 11.

It should be noted that, in order to facilitate the detachment of the supporting pile 2, the positioning pin 161 is welded to the surface of one side of the connecting cover 11, the shifting block 22 is welded to the surface of the side of the positioning slot 21 away from the connecting cover 11, the shifting groove 23 corresponding to the shifting block 22 is formed in one end of the positioning slot 21 away from the connecting cover 11, and the shifting groove 23 is formed along the length direction of the positioning slot 21. The shifting block 22 penetrates through the corresponding shifting groove 23 and extends out of the shifting groove 23, the shifting block 22 is in sliding fit with the shifting groove 23, and therefore the positioning pin 161 is retracted into the positioning groove 21, and the support pile 2 is convenient to detach.

Referring to fig. 3 and 6, in addition, a fastening piece for fixing the support pile 2 is arranged between the support pile 2 and each connecting cover 11, in this embodiment, the fastening piece is a bolt 18, a through hole 19 corresponding to the bolt 18 is formed in the support pile 2, a threaded hole 20 is formed in a side surface of the connecting cover 11 away from the support anchor rod 5, and the threaded hole 20 is located between the two limit blocks 15. The bolts 18 are inserted through the through holes 19 and screwed into the corresponding screw holes 20, thereby fixing the support piles 2 to the fender panel 1, and thus enhancing the stability of the support of the side wall of the foundation pit 27.

Referring to fig. 1, after the support piles 2 are installed, a horizontal cross bar 26 may be welded to an end of the plurality of support piles 2 away from the fender panel 1. The cross rod 26 is kept away from the one end welding of support pile 2 and has many down tubes 25, and many down tubes 25 set up along the length direction of cross rod 26, and the one end that many down tubes 25 kept away from cross rod 26 inserts foundation ditch 27 pot head, further strengthens foundation ditch 27 and strut the side direction power of being connected from this.

The implementation principle of the foundation pit supporting structure in the embodiment of the application is as follows: the protective plates 1 are spliced to form supporting plates to support the side walls of the foundation pit, the protective plates 1 are provided with supporting anchor rods 5, the supporting anchor rods 5 are inserted into the side walls of the foundation pit 27 to support the foundation pit 27, and supporting capacity is enhanced for the side walls of the foundation pit 27.

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

1. The utility model provides a foundation ditch supporting construction, includes backup pad and a plurality of support piles (2), its characterized in that: the backup pad is formed by polylith guard plate (1) concatenation in proper order, each a lateral wall of guard plate (1) laminating foundation ditch (27) lateral wall is provided with many and is supporting stock (5) that cavity set up, each a lateral wall of guard plate (1) laminating foundation ditch (27) lateral wall be provided with strut logical groove (6) of stock (5) one-to-one and intercommunication, strut stock (5) and keep away from the one end of guard plate (1) inserts foundation ditch (27) lateral wall, the one end of supporting pile (2) inserts foundation ditch (27) end of a pit, the other end of supporting pile (2) with be provided with between supporting stock (5) and be used for with support stock (5) and support pile (2) connecting piece together.

2. A foundation pit supporting construction according to claim 1, wherein: the novel anchor rod is characterized in that a plurality of supporting rods (9) are arranged in the supporting anchor rod (5), a plurality of through holes (19) are formed in the side wall of the supporting anchor rod (5), the supporting rods (9) penetrate through the corresponding through holes (19) and extend out of the through holes (19), and pushing pieces used for pushing the plurality of supporting rods (9) to extend out of the through holes (19) are arranged in the supporting anchor.

3. A foundation pit supporting construction according to claim 2, wherein: the pushing piece is a pushing rod (8), the pushing rod (8) is inserted into the support anchor rod (5), a tip portion (10) is arranged at one end, inserted into the support anchor rod (5), of the pushing rod (8), and the side wall of the tip portion (10) is abutted to one end of the supporting rod (9).

4. A foundation pit supporting construction according to claim 1, wherein: the connecting piece is including connecting lid (11), connect lid (11) set up in lead to in groove (6), the lateral wall of connecting lid (11) is provided with slider (12), lead to groove (6) cell wall have with spout (13) that slider (12) correspond, spout (13) tank bottom is provided with arc wall (14), slider (12) with spout (13) cooperation of sliding, work as slider (12) slide extremely spout (13) with during the intercommunication department of arc wall (14), rotate and connect lid (11), slider (12) with arc wall (14) joint cooperation.

5. A foundation pit supporting construction according to claim 4, wherein: one end, far away from the support anchor rod (5), of the connecting cover (11) is used for aligning limiting blocks (15) of the support pile (2), and a locking assembly (16) for locking and unlocking is arranged between the two limiting blocks (15) and the support pile (2).

6. A foundation pit supporting construction according to claim 5, wherein: locking subassembly (16) include locating pin (161) and spring (162), locating pin (161) set up in on stopper (15), a side surface of stopper (15) is provided with the confession locating slot (21) that locating pin (161) stretched out and the retraction, spring (162) set up in locating slot (21) tank bottom with between locating pin (161), the lateral wall of support stake (2) is provided with locating hole (17), locating pin (161) with locating hole (17) grafting cooperation.

7. A foundation pit supporting construction according to claim 4, wherein: a fastening piece is arranged between the support pile (2) and the connecting cover (11), the fastening piece is a bolt (18), a through hole (19) corresponding to the bolt (18) is formed in the support pile (2), a threaded hole (20) is formed in the connecting cover (11), and the bolt (18) penetrates through the through hole (19) and is in threaded connection with the threaded hole (20).

8. A foundation pit supporting construction according to claim 1, wherein: two adjacent opposite ends of the protection plate (1) are respectively provided with a first splicing block (3) and a second splicing block (4), and the first splicing block (3) is spliced and matched with the second splicing block (4).