CN115075253B

CN115075253B - Ultra-deep foundation pit pile anchor supporting device

Info

Publication number: CN115075253B
Application number: CN202210500623.XA
Authority: CN
Inventors: 时小兵; 周杰; 何猛
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2023-06-02
Anticipated expiration: 2042-05-09
Also published as: CN115075253A

Abstract

The invention relates to the technical field of pile anchor support and discloses an ultra-deep foundation pit pile anchor support device which comprises a foundation pit and an L-shaped plate, wherein the L-shaped plate is abutted against the side wall and the bottom wall of the foundation pit, mounting plates are arranged at the two ends of the inner side of the L-shaped plate, a plurality of anchor rods are fixedly arranged in the two mounting plates, one ends of the inner sides of the anchor rods extend to the inner parts of the side wall and the bottom wall of the corresponding foundation pit, a plurality of bidirectional thread sleeves are rotatably arranged in the anchor rods, threaded rods are sleeved at the two ends of the inner parts of the bidirectional thread sleeves, one ends of the outer sides of the threaded rods extend to the inner parts of the side wall and the bottom wall of the corresponding foundation pit, strip grooves are formed in the side wall of the threaded rods, and limiting blocks are slidably arranged in the strip grooves.

Description

Ultra-deep foundation pit pile anchor supporting device

Technical Field

The invention relates to the technical field of pile anchor supporting, in particular to an ultra-deep foundation pit pile anchor supporting device.

Background

The pile anchor supporting is an important supporting measure of a deep foundation pit, and the production of the pile anchor supporting is combined with an anti-slide pile supporting method and an anchor bolt supporting method, and the supporting principle of the pile anchor supporting is that the supporting principle of the anti-slide pile and an anchor rope is combined, namely the anti-slide force for preventing the foundation pit slope from sliding downwards mainly comes from the anchoring force provided by an anchor rod and the anti-slide force provided by the anti-slide pile.

The supporting plate is fixed only by the anchor rod in the traditional ultra-deep foundation pit pile anchor supporting device, the fixing effect is not very good, the supporting column possibly has an inclination phenomenon for a long time, and certain potential safety hazards exist.

Disclosure of Invention

The invention aims to solve the problems that in the ultra-deep foundation pit pile anchor supporting device in the prior art, a supporting plate is fixed only by an anchor rod, the fixing effect is not very good, a supporting column may incline for a long time, and certain potential safety hazards exist.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

an ultra-deep foundation pit pile anchor supporting device comprises a foundation pit and an L-shaped plate,

the L-shaped plate is in contact with the side wall and the bottom wall of the foundation pit, mounting plates are arranged at the two ends of the inner side of the L-shaped plate,

the inside of the two mounting plates is fixedly provided with a plurality of anchor rods, one end of the inner side of each anchor rod extends to the inside of the side wall and the bottom wall of the corresponding foundation pit,

a plurality of bidirectional thread sleeves are rotatably arranged in the anchor rods, threaded rods are sleeved at both ends of the inside of the bidirectional thread sleeves,

one end of the outer side of each threaded rod extends to the inner parts of the side wall and the bottom wall of the corresponding foundation pit, each side wall of each threaded rod is provided with a strip-shaped groove, each inner part of each strip-shaped groove is provided with a limiting block in a sliding manner, each limiting block is fixedly connected with the inner wall of the corresponding anchor rod,

the middle part of L template is provided with the drive mechanism that drives a plurality of two-way thread bush pivoted.

Preferably, the transmission mechanism comprises a screw rod and a round platform, the screw rod is 45 degrees and sets up in the inboard middle part of L template, the screw rod lower extreme is rotated with L template and is connected, the round platform screw thread cup joints in the wall of screw rod, and is a plurality of the outer wall of two-way thread bush is all fixed to have cup jointed the gear, and is a plurality of the rear side of gear all meshes and sets up the rack, and is a plurality of the lateral wall that the lateral wall of corresponding stock was all run through to the rack extends to the outside of stock, two the outside of mounting panel all is provided with the diaphragm, and is a plurality of the outside one end of rack all is connected with corresponding diaphragm, the inclined plane both sides of round platform all are inconsistent with corresponding diaphragm.

Preferably, both sides of the screw rod are provided with slide bars, both sides the lower ends of the slide bars are fixedly connected with the L-shaped plate, and both ends of the round table are movably sleeved with the corresponding slide bars.

Preferably, one end of the outer side of the screw rod is fixedly sleeved with a rotating wheel.

Preferably, a plurality of anchor rods and one end of the outer side of the threaded rod are arranged in a conical mode.

Preferably, the two mounting plates are in threaded locking connection with the L-shaped plate through bolts.

Preferably, the cross section of the rack is square.

Preferably, the surfaces of a plurality of the anchor rods and the threaded rods are coated with epoxy zinc-rich primer.

Preferably, the side wall of the rotating wheel is provided with anti-skid grains.

Compared with the prior art, the invention provides an ultra-deep foundation pit pile anchor supporting device, which has the following beneficial effects:

this super dark foundation ditch stake anchor strutting arrangement through rotating the lead screw, and the lead screw drives the round platform and removes to L template direction, even makes two diaphragms of round platform promotion to L template direction remove, drives a plurality of racks promptly and removes to the stock inboard that corresponds, and a plurality of racks drive corresponding gear rotation, drive a plurality of two-way thread bush promptly and rotate, and a plurality of two-way thread bush drive correspond by spacing unable pivoted threaded rod remove for the inside of inserting the foundation ditch of a plurality of threaded rods, thereby can consolidate the connection of stock and foundation ditch, and convenient operation, labour saving and time saving.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the connection between the anchor rod and the foundation pit can be reinforced, the operation is convenient, and the time and the labor are saved.

Drawings

FIG. 1 is a schematic structural view of an ultra-deep foundation pit pile anchor supporting device according to the present invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

fig. 3 is an enlarged schematic view of the structure of the portion a in fig. 2.

In the figure: 1 foundation pit, 2L-shaped plates, 3 mounting plates, 4 anchor rods, 5 bidirectional threaded sleeves, 6 threaded rods, 7 limiting blocks, 8 gears, 9 racks, 10 transverse plates, 11 screw rods, 12 round platforms, 13 sliding rods, 14 rotating wheels and 15 bolts.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, an ultra-deep foundation pit pile anchor supporting device comprises a foundation pit 1 and an L-shaped plate 2,

the L-shaped plate 2 is abutted against the side wall and the bottom wall of the foundation pit 1, the mounting plates 3 are arranged at the two ends of the inner side of the L-shaped plate 2, the two mounting plates 3 are in locking connection with the L-shaped plate 2 through bolts 15, the mounting plates 3 are convenient to detach, namely the anchor rods 4 with different lengths are convenient to replace,

the inside of the two mounting plates 3 is fixedly provided with a plurality of anchor rods 4, one end of the inner side of the anchor rods 4 extends to the inside of the side wall and the bottom wall of the corresponding foundation pit 1,

a plurality of bidirectional thread sleeves 5 are rotatably arranged in the anchor rods 4, threaded rods 6 are sleeved at both ends of the inside of the bidirectional thread sleeves 5,

outside one end of a plurality of threaded rods 6 all extends to the inside of the lateral wall and the diapire of corresponding foundation ditch 1, and the outside one end of a plurality of stock 4 and threaded rod 6 all is the toper setting, conveniently inserts in the foundation ditch 1, and the surface of a plurality of stock 4 and threaded rod 6 all scribbles epoxy zinc-rich primer, improves the anticorrosive performance of stock 4 and threaded rod 6.

Referring to fig. 1-3, the side walls of the plurality of threaded rods 6 are provided with bar-shaped grooves, limiting blocks 7 are arranged in the bar-shaped grooves in a sliding manner, the limiting blocks 7 are fixedly connected with the inner walls of the corresponding anchor rods 4,

the middle part of the L-shaped plate 2 is provided with a transmission mechanism for driving a plurality of bidirectional thread sleeves 5 to rotate.

Referring to fig. 1, the transmission mechanism includes lead screw 11 and round platform 12, lead screw 11 is 45 degrees and sets up in the inboard middle part of L template 2, lead screw 11 lower extreme and L template 2 rotate and be connected, round platform 12 screw socket is in the pole wall of lead screw 11, the outer wall of a plurality of two-way thread bush 5 has all fixedly been cup jointed gear 8, the equal meshing of rear side of a plurality of gears 8 sets up rack 9, the lateral wall that corresponds stock 4 is all run through to a plurality of rack 9 extends to the outside of stock 4, the cross section of rack 9 is square, make rack 9 unable rotation, even make rack 9 can stable slip, the outside of two mounting panels 3 all is provided with diaphragm 10, the outside one end of a plurality of racks 9 all is connected with corresponding diaphragm 10, the inclined plane both sides of round platform 12 all contradict with corresponding diaphragm 10, the fixed runner 14 of cup jointing of outside one end of lead screw 11, the convenient rotation lead screw 11, the lateral wall of runner 14 is provided with anti-skidding line, increase hand and the friction of runner 14, prevent skidding when rotating as far as possible.

Example two

Referring to fig. 1, slide bars 13 are disposed on both sides of the screw rod 11, the lower ends of the slide bars 13 on both sides are fixedly connected with the L-shaped plate 2, and both ends of the round table 12 are movably sleeved with the corresponding slide bars 13, so that the round table 12 cannot rotate, i.e. the round table 12 can stably slide.

In the invention, when the novel anchor rod fixing device is used, a worker tightly props the L-shaped plate 2 against the side wall and the bottom of the foundation pit 1, then installs and fixes the two mounting plates 3 and the L-shaped plate 2, namely, a plurality of anchor rods 4 are inserted into the side wall and the bottom wall of the corresponding foundation pit 1, then rotates the screw rod 11, the screw rod 11 drives the round table 12 limited by the sliding rods 13 and incapable of rotating to move towards the L-shaped plate 3, namely, the round table 12 drives the two transverse plates 10 to move towards the L-shaped plate 3, namely, drives the plurality of racks 9 to move towards the inner side of the corresponding anchor rods 4, the plurality of racks 9 drive the corresponding gears 8 to rotate, namely, drives the plurality of bidirectional thread sleeves 5 to rotate, and the plurality of bidirectional thread sleeves 5 drive the corresponding threaded rods 6 limited by the limiting blocks 7 to move, so that the plurality of threaded rods 6 are inserted into the foundation pit 1, thereby reinforcing the connection between the anchor rods 4 and the foundation pit 1, and the novel anchor rod fixing device is convenient to operate, time-saving and labor-saving.

Claims

1. An ultra-deep foundation pit pile anchor supporting device comprises a foundation pit (1) and an L-shaped plate (2), and is characterized in that,

the L-shaped plate (2) is in contact with the side wall and the bottom wall of the foundation pit (1), mounting plates (3) are arranged at the two ends of the inner side of the L-shaped plate (2),

a plurality of anchor rods (4) are fixedly arranged in the two mounting plates (3), one end of the inner side of each anchor rod (4) extends to the inner parts of the side wall and the bottom wall of the corresponding foundation pit (1),

a plurality of bidirectional thread sleeves (5) are respectively and rotatably arranged in the anchor rods (4), threaded rods (6) are respectively and rotatably sleeved at two ends of the inside of each bidirectional thread sleeve (5),

one end of the outer side of each threaded rod (6) extends to the inner parts of the side wall and the bottom wall of the corresponding foundation pit (1), each side wall of each threaded rod (6) is provided with a strip-shaped groove, each inner part of each strip-shaped groove is provided with a limiting block (7) in a sliding manner, each limiting block (7) is fixedly connected with the inner wall of the corresponding anchor rod (4),

the middle part of the L-shaped plate (2) is provided with a transmission mechanism for driving a plurality of bidirectional thread sleeves (5) to rotate;

the transmission mechanism comprises a screw rod (11) and a round table (12), wherein the screw rod (11) is arranged at the middle part of the inner side of an L-shaped plate (2) at 45 degrees, the lower end of the screw rod (11) is rotationally connected with the L-shaped plate (2), the round table (12) is in threaded sleeve connection with the rod wall of the screw rod (11), a plurality of gears (8) are fixedly sleeved on the outer wall of the bidirectional threaded sleeve (5), a plurality of gears (8) are meshed with each other, racks (9) are arranged at the rear side of the gears (8), one end of the outer side of each rack (9) penetrates through the side wall of a corresponding anchor rod (4) to extend to the outer side of the anchor rod (4), transverse plates (10) are arranged at the outer side of the installation plate (3), one end of each rack (9) is connected with the corresponding transverse plate (10), and two sides of the inclined plane of the round table (12) are in conflict with the corresponding transverse plate (10).

2. The ultra-deep foundation pit pile anchor supporting device according to claim 1, wherein sliding rods (13) are arranged on two sides of the screw rod (11), the lower ends of the sliding rods (13) on two sides are fixedly connected with the L-shaped plate (2), and two ends of the round table (12) are movably sleeved with the corresponding sliding rods (13).

3. The ultra-deep foundation pit pile anchor supporting device according to claim 1, wherein a runner (14) is fixedly sleeved at one end of the outer side of the screw rod (11).

4. An ultra-deep foundation pit pile anchor supporting device according to claim 1, wherein the outer ends of the anchor rods (4) and the threaded rods (6) are tapered.

5. An ultra-deep foundation pit pile anchor supporting device according to claim 1, characterized in that both mounting plates (3) are in threaded locking connection with the L-shaped plate (2) by means of bolts (15).

6. An ultra-deep foundation pit pile anchor supporting device according to claim 1, characterized in that the cross section of the rack (9) is square.

7. An ultra-deep foundation pit pile anchor supporting device according to claim 1, wherein the surfaces of a plurality of anchor rods (4) and threaded rods (6) are coated with epoxy zinc-rich primer.

8. An ultra-deep foundation pit pile anchor supporting device according to claim 3, wherein the side wall of the runner (14) is provided with anti-slip lines.