CN221167839U - Deep foundation pit supporting structure - Google Patents

Abstract

The utility model relates to the technical field of foundation pit support, in particular to a deep foundation pit support structure. The technical proposal comprises: including support stand and backplate, support stand bottom grafting in foundation ditch bottom edge, and the equidistance distributes, the backplate is installed between the support stand, support stand upper end stretches out the foundation ditch and the cover is equipped with annular cover, annular cover periphery is fixed with the fixed plate, the fixed plate is kept away from annular cover one end and has been seted up the location jack, peg graft in the location jack has the fixed column, the backplate is fixed by splice plate combination. According to the utility model, after the support upright post is inserted into the foundation pit, the fixing plate is arranged at the end part, so that the end part is fixed with the ground, an inclined support is not required to be arranged in the foundation pit, the blocking of the inclined support to the operation in the foundation pit is avoided, and meanwhile, the support guard plate is arranged into a splicing structure, so that free quantity splicing can be carried out according to the depth of the foundation pit, and the practicability is increased.

Description

Deep foundation pit supporting structure

Technical Field

The utility model relates to the technical field of foundation pit support, in particular to a deep foundation pit support structure.

Background

Foundation pit support is a series of engineering measures adopted in the process of earth excavation for ensuring the stability of surrounding soil and preventing collapse.

The common supporting structure is that the supporting plate is propped against the side wall of the foundation pit, and then the inclined rod support is arranged on the supporting plate to form a triangular support structure, so that the upright stability of the supporting plate is ensured, and the bottom of the inclined rod is required to be fixed in the foundation pit.

When the deep foundation pit is supported, the inclined rods are utilized, wherein the inclined rods and the upper end of the supporting plate are required to form a certain angle, the depth of the foundation pit is deeper, the distance between the bottom of the inclined rods and the corners of the foundation pit is longer, the bottom of the inclined rods is further close to the center of the foundation pit, the influence on the internal operation of the foundation pit is greater, for example, when mechanical equipment works, the inclined rods are required to be avoided, the deep foundation pit is required to be designed into a supporting structure without the inclined rod, meanwhile, the integral supporting plate cannot perfectly fit with the foundation pit with different depths, and the practicability of the supporting structure is reduced.

Disclosure of utility model

The utility model aims to solve the problems in the background art and provides a deep foundation pit supporting structure.

The technical scheme of the utility model is as follows: the utility model provides a deep basal pit supporting structure, includes support stand and backplate, peg graft in foundation ditch bottom edge bottom the support stand bottom, and the equidistance distributes, the backplate is installed between the support stand, the support stand upper end stretches out the foundation ditch and the cover is equipped with annular cover, annular cover periphery is fixed with the fixed plate, the fixed plate is kept away from annular cover one end and has been seted up the location jack, peg graft in the location jack has the fixed column, the backplate is fixed by the splice plate combination.

Preferably, the combined grooves are formed in two sides of the supporting upright posts, and the combined side plates matched with the combined grooves are fixed at two ends of the splice plate, so that the splice position between the supporting upright posts at the splice plate position can be positioned.

Preferably, trapezoid grooves are formed in the joints of adjacent splice plates, and fixed insertion blocks are installed between the trapezoid grooves and are inserted between the adjacent splice plates, so that the splice plates cannot be pulled up and down.

Preferably, the fixed insert is of a funnel-shaped structure, and anti-slip pads are arranged on the inner side walls of the trapezoid grooves, so that the fixed insert can be stably inserted into the trapezoid grooves, and the risk of accidental falling is reduced.

Preferably, the periphery of the upper end of the supporting upright post is provided with external threads, the upper end of the supporting upright post is in threaded connection with an internal thread sleeve, the external diameter of the internal thread sleeve is matched with the diameter of the annular sleeve, the internal thread sleeve is arranged at the upper end of the supporting upright post, the lower end of the internal thread sleeve is propped against the upper end of the annular sleeve, the stability of the fixing plate is improved, and the end part of the fixing plate is prevented from tilting or shaking.

Preferably, the lower end of the fixing column passes through the positioning jack, the upper end of the fixing column is fixed with an end plate, and the fixing plate is fixed on the ground by pressing the fixing plate downwards by the end plate.

Compared with the prior art, the utility model has the following beneficial technical effects: after inserting the foundation ditch with the support stand, set up the fixed plate at the tip, make its tip fixed with ground, need not to set up the bearing diagonal in the foundation ditch, avoid the bearing diagonal to cause blocking to the operation in the foundation ditch, set up the backplate into mosaic structure simultaneously, can carry out free quantity concatenation according to the foundation ditch degree of depth, increase the practicality.

Drawings

FIG. 1 is a schematic view of a retaining post in a foundation pit;

FIG. 2 is a schematic view of a combined structure of a support post and a support plate according to the present utility model;

FIG. 3 is a schematic view of the front assembled structure of the support plate of the present utility model;

fig. 4 is a schematic structural view of a fixing plate and a fixing column according to the present utility model.

Reference numerals: 1. supporting the upright post; 11. a combination groove; 2. a support plate; 21. splice plates; 22. a trapezoid groove; 23. fixing the insert block; 24. combining side plates; 3. an annular sleeve; 4. a fixing plate; 41. positioning the jack; 5. fixing the column; 51. an end plate; 6. an internal thread sleeve.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Examples

As shown in fig. 1-4, the deep foundation pit supporting structure provided by the utility model comprises supporting upright posts 1 and supporting plates 2, wherein the bottoms of the supporting upright posts 1 are spliced at the edge of the bottom of a foundation pit and are equidistantly distributed, the supporting plates 2 are installed between the supporting upright posts 1, the upper ends of the supporting upright posts 1 extend out of the foundation pit and are sleeved with annular sleeves 3, a fixing plate 4 is fixedly arranged on the periphery of the annular sleeves 3, a positioning jack 41 is formed in one end, far away from the annular sleeves 3, of the fixing plate 4, a fixing column 5 is spliced in the positioning jack 41, the supporting plates 2 are combined and fixed by splice plates 21, external threads are arranged on the periphery of the upper ends of the supporting upright posts 1, the upper ends of the supporting upright posts 1 are in threaded connection with inner thread sleeves 6, the outer diameters of the inner thread sleeves 6 are matched with the diameters of the annular sleeves 3, the inner thread sleeves 6 are installed at the tops of the supporting upright posts 1, the risk of tilting of the annular sleeves 3 is reduced, the lower ends of the fixing column 5 penetrate through the positioning jack 41, and an end plate 51 is fixedly arranged at the upper ends of the fixing column 5.

The combined groove 11 has all been seted up to strut stand 1 both sides, and splice plate 21 both ends all are fixed with the combination sideboard 24 with the combination groove 11 looks adaptation, and trapezoidal groove 22 has all been seted up to adjacent splice plate 21 junction, installs fixed insert 23 between the corresponding trapezoidal groove 22, fixed insert 23 is the funnel-shaped structure, and trapezoidal groove 22 inside wall all is provided with the slipmat, inserts in the combination groove 11 with combination sideboard 24, guarantees splice plate 21 front and back position's stability, inserts fixed insert 23 in the trapezoidal groove 22 of adjacent splice plate 21 junction simultaneously, fixes splice plate 21.

In this embodiment, first insert the bottom of the supporting upright 1 and be located the foundation ditch and equally distribute, then insert splice plate 21 in proper order between the supporting upright 1, this in-process, insert the combination sideboard 24 in the integrated slot 11, guarantee the stability of splice plate 21 front and back position, simultaneously insert fixed insert 23 in the dovetail groove 22 of adjacent splice plate 21 junction, fix splice plate 21 between, until the support plate 2 with splice plate 21 combination concatenation aligns with foundation ditch upper end ground, then establish annular sleeve 3 cover on supporting upright 1, make fixed plate 4 and ground offset, insert ground after passing location jack 41 again fixed column 5, make fixed plate 4 fix subaerial, and then pull supporting upright 1, guarantee the upright stability of supporting upright 1, install internal thread bush 6 at supporting upright 1 top, reduce the risk of annular sleeve 3 perk, accomplish the installation of whole supporting structure, easy and convenient for the setting up the diagonal bar in the foundation ditch and support, reduce the risk that the diagonal bar caused the interior operation to block, the foundation ditch freely, the number of combined support plate 21 has increased its practical adaptation of foundation ditch has been made.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (6)

1. The utility model provides a deep basal pit supporting construction, includes support stand (1) and backplate (2), its characterized in that: the support stand (1) bottom is pegged graft in foundation ditch bottom edge, and the equidistance distributes, support plate (2) are installed between support stand (1), support stand (1) upper end stretches out the foundation ditch and the cover is equipped with annular cover (3), annular cover (3) periphery is fixed with fixed plate (4), fixed plate (4) are kept away from annular cover (3) one end and are offered location jack (41), peg graft in location jack (41) have fixed column (5), support plate (2) are fixed by splice plate (21) combination.

2. The deep foundation pit supporting structure according to claim 1, wherein the supporting upright posts (1) are provided with combined grooves (11) on two sides, and the two ends of the splice plates (21) are respectively fixed with combined side plates (24) matched with the combined grooves (11).

3. The deep foundation pit supporting structure according to claim 2, wherein trapezoid grooves (22) are formed at the connecting positions of adjacent splice plates (21), and fixed inserting blocks (23) are arranged between the trapezoid grooves (22) correspondingly.

4. A deep foundation pit supporting structure according to claim 3, wherein the fixed plug blocks (23) are of a funnel-shaped structure, and the inner side walls of the trapezoid grooves (22) are provided with anti-slip pads.

5. The deep foundation pit supporting structure according to claim 1, wherein external threads are arranged on the periphery of the upper end of the supporting upright post (1), an internal thread sleeve (6) is connected with the upper end of the supporting upright post (1) in a threaded mode, and the external diameter of the internal thread sleeve (6) is matched with the diameter of the annular sleeve (3).

6. The deep foundation pit supporting structure according to claim 1, wherein the lower ends of the fixing columns (5) penetrate through the positioning insertion holes (41), and end plates (51) are fixed at the upper ends of the fixing columns (5).