CN219343231U

CN219343231U - Double row pile foundation pit supporting structure

Info

Publication number: CN219343231U
Application number: CN202320427423.6U
Authority: CN
Inventors: 高举; 冯健锋
Original assignee: Shandong Luyan Foundation Engineering Co ltd
Current assignee: Shandong Luyan Foundation Engineering Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-07-14
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the technical field of supporting structures, in particular to a double-row pile foundation pit supporting structure which comprises a base, a tensioning plate, a ground pile, a connecting rod A, a sliding block and a bidirectional screw rod. The base is provided with a cover plate, two movable plates are symmetrically and slidably arranged in the base, the movable plates are provided with cross bars, and the cross bars are connected with corresponding side tensioning plates. The ground pile is arranged on the tensioning plate, the ground pile is provided with a sliding ring in a sliding mode, and a connecting shaft is arranged between the sliding rings at two sides. The connecting rod A is rotatably arranged on the cover plate and is rotatably connected with the connecting shaft at the corresponding side. The sliding blocks are symmetrically and slidingly arranged in the base, the two sides of the sliding blocks are symmetrically and rotationally provided with connecting rods B, and the connecting rods B at the two sides are respectively and rotationally connected with the corresponding side movable plates. The two-way lead screw drive is connected with the two-side sliding blocks, one end of the two-way lead screw is provided with a knob, two elastic clamping blocks are symmetrically arranged in the knob, and one ends, away from each other, of the two-side elastic clamping blocks are meshed with the inner tooth grooves. The pile spacing is adjustable, the stability is high, and the operation is simple and convenient.

Description

Double row pile foundation pit supporting structure

Technical Field

The utility model relates to the technical field of supporting structures, in particular to a double-row pile foundation pit supporting structure.

Background

Double row piles are a new form of support that has emerged in recent years. The pile arrangement mode can be understood as that part of piles in the original dense single-row piles are moved backwards for a certain distance to form two rows of parallel reinforced concrete piles, the piles of each row are connected into a whole by using rigid connecting beams and crown beams at the tops of the piles, and a statically indeterminate space portal rigid frame structure is formed along the length direction of a foundation pit. The lateral rigidity of the double-row pile supporting structure is relatively large, the deformation of the foundation pit can be effectively controlled, and the soil between piles can also play a role in stopping water after being reinforced. The existing double-row pile foundation pit supporting structure is too simple, the phenomenon of lateral sliding easily occurs when the structure is actually laid, and the existing supporting structure cannot be suitable for supporting double-row piles with different intervals, so that improvement is needed.

The Chinese patent with the publication number of CN218508456U discloses a double-row pile foundation pit supporting structure, which not only can ensure that the ground piles are fixed in the foundation pit more firmly, but also can ensure the stability between two ground piles, and prevents the ground piles from loosening from the foundation pit.

However, the device still has the defects that: the device can't satisfy the support of different interval ground stake, and ground stake and supporting construction integration design, when the ground stake interval is different, need make rather than the base that suits. And the whole device needs the circular telegram just can adjust, and equipment cost is high, and can't use under the condition that does not have power supply, and the ground stake of device lacks the stable bearing structure of side direction simultaneously, and the ground stake is bent easily when receiving external force impact.

Disclosure of Invention

The utility model aims to solve the problems in the background technology and provides a double-row pile foundation pit supporting structure.

The technical scheme of the utility model is as follows: a double-row pile foundation pit supporting structure comprises a base, a tensioning plate, a ground pile, a connecting rod A, a sliding block and a bidirectional screw rod. Set up the apron on the base, the symmetry sets up two fly leaves in the base and slide, and one side that both sides fly leaf kept away from each other all sets up the horizontal pole, and both sides horizontal pole all runs through the curb plate of base. The tensioning plates are symmetrically arranged on two sides of the base, and the cross bars on two sides are respectively connected with the corresponding side tensioning plates. The ground pile is arranged on the tensioning plate, the ground pile is provided with a sliding ring in a sliding mode, and a connecting shaft is arranged between the sliding rings at two sides. The connecting rods A are rotatably arranged on the cover plate, and one ends of the two groups of connecting rods A, which are far away from the cover plate, are respectively rotatably connected with the corresponding side connecting shafts. The sliding block is symmetrically and slidingly arranged in the base, two sides of the sliding block are symmetrically and rotationally provided with connecting rods B, and one ends of the connecting rods B at two sides, which are far away from the sliding block, are respectively rotationally connected with the corresponding side movable plates. The bidirectional screw rod is rotatably arranged in the base, and the sliding blocks at two sides are respectively in threaded connection with the corresponding ends of the bidirectional screw rod, and a knob is arranged at one end of the bidirectional screw rod. An inner tooth groove is formed in the base, the knob is located on the inner side of the inner tooth groove, two elastic clamping blocks are symmetrically and elastically arranged in the knob in a sliding mode, and one ends, away from each other, of the elastic clamping blocks on the two sides are meshed with the inner tooth groove.

Preferably, the screw is further included. The apron passes through the screw with the base and can dismantle the connection, and the bottom of apron sets up the sealing washer, and the upper end opening edge of base sets up the seal groove, and the sealing washer inserts in the seal groove and with its sealing fit. The detachable cover plate can be convenient to detach the slip ring from the ground pile, and the cover plate keeps sealing fit with the base, so that impurities such as external sewage can be effectively prevented from entering the base, and further the influence on structural members in the base is avoided.

Preferably, a fixed seat is arranged on the cover plate, a reinforcing shaft is rotatably arranged on the fixed seat, and connecting rods A on two sides are sleeved on the reinforcing shaft and are rotatably connected with the reinforcing shaft.

Preferably, a plurality of inserting rods perpendicular to the inserting rods are arranged on one sides, away from each other, of the tensioning plates on the two sides. The inserted drill rod is inserted into the corresponding side inner wall of the foundation pit, so that the tensioning plate and the whole device can be effectively prevented from sliding sideways, and the purpose of improving the stability of the device is achieved.

Preferably, a sliding rod is arranged in the base, penetrates through the sliding blocks at two sides and is in sliding connection with the sliding blocks. The slide bar can improve the linearity and stability of the slide blocks at two sides during sliding.

Preferably, the bottom of base and tensioning board all sets up the screw rod, and the below of screw rod sets up the backup pad, sets up spacing axle in the backup pad, and the cover is established rather than rotating the adjustment sleeve who is connected on the spacing axle, and the bottom of screw rod inserts adjustment sleeve and rather than threaded connection, adjustment sleeve's outside sets up anti-skidding tooth.

Preferably, a through hole is arranged in the movable plate, a pin shaft is arranged in the through hole, and the connecting rod B is sleeved on the pin shaft and is in rotary connection with the pin shaft.

Compared with the prior art, the utility model has the following beneficial technical effects:

through setting up two-way lead screw drive slider and then driving both sides connecting rod B opening angle and changing to drive both sides fly leaf and tensioning board are flexible, make whole device be applicable to the support of different width foundation ditch, and set up the elasticity fixture block in the knob of being connected with two-way lead screw, the elasticity fixture block meshes with the internal tooth groove internal tooth on the base, can prevent effectively that two-way lead screw from gyrating, and then make the fixed unchangeable of the position of both sides ground stake. Through setting up the structure of sliding ring and connecting rod A, utilize connecting rod A to support the ground stake, improve the lateral pressure resistance ability of ground stake, this device has set up screw rod, backup pad and regulation sheathed tube structure simultaneously, conveniently adjusts the levelness of whole device. The whole device has high structural stability, is simple and convenient to operate, is very practical and is suitable for popularization.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a diagram of the connection of the components within the base of FIG. 1;

fig. 3 is a connection structure diagram of the screw and the support plate.

Reference numerals: 1. a base; 101. an inner spline; 2. a cover plate; 3. a movable plate; 4. a cross bar; 5. a tensioning plate; 6. a ground pile; 7. a slip ring; 8. a connecting shaft; 9. a connecting rod A; 10. a slide bar; 11. a slide block; 12. a connecting rod B; 13. a two-way screw rod; 14. a knob; 15. an elastic clamping block; 16. a screw; 17. a support plate; 18. a limiting shaft; 19. the sleeve is adjusted.

Detailed Description

Example 1

As shown in the figure, the double-row pile foundation pit supporting structure provided by the utility model comprises a base 1, a tensioning plate 5, a ground pile 6, a connecting rod A9, a sliding block 11 and a bidirectional screw rod 13. Cover plate 2 is arranged on base 1, two movable plates 3 are symmetrically and slidably arranged in base 1, cross bars 4 are arranged on one sides of two movable plates 3 far away from each other, and the cross bars 4 on two sides penetrate through the side plates of base 1. The tensioning plates 5 are symmetrically arranged on two sides of the base 1, and the cross bars 4 on two sides are respectively connected with the corresponding side tensioning plates 5. The ground pile 6 is arranged on the tensioning plate 5, the ground pile 6 is provided with a sliding ring 7 in a sliding manner, and a connecting shaft 8 is arranged between the sliding rings 7 on two sides. The connecting rods A9 are rotatably arranged on the cover plate 2, and one ends of the two groups of connecting rods A9, which are far away from the cover plate 2, are respectively rotatably connected with the corresponding side connecting shafts 8. The sliding block 11 is symmetrically and slidingly arranged in the base 1, two sides of the sliding block 11 are symmetrically and rotationally provided with the connecting rods B12, and one ends of the two side connecting rods B12 far away from the sliding block 11 are respectively rotationally connected with the corresponding side movable plates 3. The bidirectional screw rod 13 is rotatably arranged in the base 1, the sliding blocks 11 on two sides are respectively in threaded connection with the corresponding ends of the bidirectional screw rod 13, and a knob 14 is arranged at one end of the bidirectional screw rod 13. The base 1 is provided with an inner tooth socket 101, the knob 14 is positioned at the inner side of the inner tooth socket 101, two elastic clamping blocks 15 are symmetrically and elastically arranged in the knob 14 in a sliding manner, and one ends, away from each other, of the elastic clamping blocks 15 at the two sides are meshed and connected with the inner tooth socket 101.

In this embodiment, place base 1 in the foundation ditch bottom, pinch the elastic fixture block 15 and make it retract, at this moment elastic fixture block 15 and internal tooth groove 101 release joint relation, rotate knob 14 and drive two-way lead screw 13 and rotate, two-way lead screw 13 drive both sides slider 11 slides in opposite directions, and then reach the purpose of drive both sides fly leaf 3 and tensioning board 5, it is continuous to rotate two-way lead screw 13 until both sides tensioning board 5 conflict the foundation ditch respectively and correspond the side inner wall, loosen the elastic fixture block 15 and make its automatic pop out afterwards, the elastic fixture block 15 that pops out is automatic with internal tooth groove 101 meshing, the effectual rotation of preventing two-way lead screw 13, and then make the relative position of both sides ground stake 6 can not change because of external force effect. In the process that the ground piles 6 are mutually far away, the sliding ring 7 slides downwards, meanwhile, the connecting rod A9 always keeps the connection relation between the sliding ring 7 and the cover plate 2, and then the sliding ring 7 and the ground piles 6 are supported by the connecting rod A9, so that the lateral impact resistance of the ground piles 6 is improved, and the stability of the whole device is further improved.

Example two

As shown in fig. 1 and fig. 3, in the double-row pile foundation pit supporting structure provided by the utility model, compared with the first embodiment, screw rods 16 are arranged at the bottoms of the base 1 and the tensioning plate 5, a supporting plate 17 is arranged below the screw rods 16, a limiting shaft 18 is arranged on the supporting plate 17, an adjusting sleeve 19 rotationally connected with the limiting shaft 18 is sleeved on the limiting shaft 18, the bottom of the screw rods 16 is inserted into the adjusting sleeve 19 and is in threaded connection with the adjusting sleeve, and anti-slip teeth are arranged outside the adjusting sleeve 19.

In this embodiment, when the bottom surface of the foundation pit is uneven, the corresponding side adjusting sleeve 19 is rotated to change the depth of the screw 16 inserted into the foundation pit, so that each supporting plate 17 can stably fall on the bottom surface of the foundation pit, thereby conveniently adjusting the verticality of the ground pile 6.

Example III

As shown in fig. 1, in the double-row pile foundation pit supporting structure provided by the utility model, compared with the first embodiment, a plurality of inserting rods perpendicular to the two sides of the tensioning plates 5 are arranged at the sides far away from each other.

In this embodiment, insert the borer and contact the foundation ditch inner wall when tensioning board 5 is close to the foundation ditch inner wall, along with the propulsion of tensioning board 5, insert the borer gradually in inserting the foundation ditch inner wall, utilize the grafting relation of inserting borer and foundation ditch to improve the connection stability between tensioning board 5 and the foundation ditch inner wall, and then improve the stability of whole device.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The double-row pile foundation pit supporting structure is characterized by comprising a base (1), a tensioning plate (5), a ground pile (6), a connecting rod A (9), a sliding block (11) and a bidirectional screw rod (13);

cover plates (2) are arranged on the base (1), two movable plates (3) are symmetrically and slidably arranged in the base (1), cross bars (4) are arranged on one sides, away from each other, of the two movable plates (3), and the cross bars (4) on the two sides penetrate through side plates of the base (1); the tensioning plates (5) are symmetrically arranged on two sides of the base (1), and the cross bars (4) on two sides are respectively connected with the corresponding side tensioning plates (5);

the ground pile (6) is arranged on the tensioning plate (5), the sliding rings (7) are arranged on the ground pile (6) in a sliding manner, and the connecting shaft (8) is arranged between the sliding rings (7) at two sides; the connecting rods A (9) are rotatably arranged on the cover plate (2), and one ends of the two groups of connecting rods A (9) far away from the cover plate (2) are respectively and rotatably connected with the corresponding side connecting shafts (8);

the sliding blocks (11) are symmetrically and slidingly arranged in the base (1), the two sides of the sliding blocks (11) are symmetrically and rotationally provided with the connecting rods B (12), and one ends of the two side connecting rods B (12) far away from the sliding blocks (11) are respectively rotationally connected with the corresponding side movable plates (3); the bidirectional screw rod (13) is rotatably arranged in the base (1), the sliding blocks (11) on two sides are respectively in threaded connection with the corresponding ends of the bidirectional screw rod (13), and a knob (14) is arranged at one end of the bidirectional screw rod (13); an inner tooth groove (101) is formed in the base (1), the knob (14) is located on the inner side of the inner tooth groove (101), two elastic clamping blocks (15) are symmetrically and elastically arranged in the knob (14) in a sliding mode, and one ends, away from each other, of the two elastic clamping blocks (15) are meshed with the inner tooth groove (101).

2. The double row pile foundation pit supporting structure of claim 1, further comprising screws; the cover plate (2) is detachably connected with the base (1) through screws, a sealing ring is arranged at the bottom of the cover plate (2), a sealing groove is formed in the edge of the upper end opening of the base (1), and the sealing ring is inserted into the sealing groove and is in sealing fit with the sealing groove.

3. The double-row pile foundation pit supporting structure according to claim 1, wherein a fixed seat is arranged on the cover plate (2), a reinforcing shaft is rotatably arranged on the fixed seat, and two side connecting rods A (9) are sleeved on the reinforcing shaft and are rotatably connected with the reinforcing shaft.

4. The double-row pile foundation pit supporting structure according to claim 1, wherein a plurality of inserting rods perpendicular to the two tensioning plates (5) are arranged on the sides, away from each other, of the tensioning plates.

5. The double-row pile foundation pit supporting structure according to claim 1, wherein a sliding rod (10) is arranged in the base (1), and the sliding rod (10) penetrates through the sliding blocks (11) at two sides and is connected with the sliding blocks in a sliding manner.

6. The double-row pile foundation pit supporting structure according to claim 1, wherein screw rods (16) are arranged at the bottoms of the base (1) and the tensioning plates (5), supporting plates (17) are arranged below the screw rods (16), limiting shafts (18) are arranged on the supporting plates (17), adjusting sleeves (19) rotatably connected with the limiting shafts (18) are sleeved on the limiting shafts (18), the bottoms of the screw rods (16) are inserted into the adjusting sleeves (19) and are in threaded connection with the adjusting sleeves, and anti-slip teeth are arranged outside the adjusting sleeves (19).

7. The double-row pile foundation pit supporting structure according to claim 1, wherein a through hole is formed in the movable plate (3), a pin shaft is arranged in the through hole, and the connecting rod B (12) is sleeved on the pin shaft and is in rotary connection with the pin shaft.