CN216075160U

CN216075160U - Combined support for foundation pit collapse prevention

Info

Publication number: CN216075160U
Application number: CN202122805087.8U
Authority: CN
Inventors: 刘志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-03-18
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a combined support for foundation pit collapse prevention, which comprises four rotating shafts, wherein the upper ends of the four rotating shafts are rotatably connected with an accommodating mechanism, the inner part of the accommodating mechanism, which is close to the lower end, is fixedly connected with a telescopic mechanism, and one side, opposite to the telescopic mechanism, of the telescopic mechanism is in threaded connection with a support mechanism, and the combined support has the beneficial effects that: through setting up the bolt, the movable plate is conveniently installed in the draw-in groove with screw hole and second thread groove, thereby can be at electric telescopic handle, slider and first spout's effect stably drive movable plate and extension board removal, thereby can protect the foundation ditch of different width and pile up, drive at first threaded rod and second threaded rod through second thread groove and third thread groove and support the expansion plate and carry out the outrigger to the extension board, the installation rate is fast, and can install the extension board under dismantling fast in accomodating the inslot portion through spout board and second spout, conveniently withdraw branch through the pivot, take up an area of for a short time, and the transportation is convenient.

Description

Combined support for foundation pit collapse prevention

Technical Field

The utility model relates to the technical field of foundation pit supporting, in particular to a combined type supporting for foundation pit collapse prevention.

Background

The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit, and the definition of the industry standard of the people's republic of China' JGJ120-2012 for the foundation pit support is as follows: in order to protect the safety of the construction of the underground main body structure and the surrounding environment of the foundation pit, the foundation pit adopts the measures of temporary retaining, reinforcing, protecting and underground water controlling.

The existing foundation pit needs to be installed and supported on the pit wall after excavation is completed, so that the foundation pit is prevented from collapsing, the existing foundation pit is very inconvenient to install, the existing foundation pit is often installed on a large scale, transportation is very inconvenient, the occupied area is large, and the installation speed is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined support for foundation pit collapse prevention, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a combined support for foundation pit collapse prevention comprises four rotating shafts, wherein the upper ends of the four rotating shafts are rotatably connected with a containing mechanism, the inner part of the containing mechanism, which is close to the lower end, is fixedly connected with a telescopic mechanism, one side, opposite to the telescopic mechanism, of the telescopic mechanism is in threaded connection with a support mechanism, and the support mechanism and the containing mechanism are in threaded connection with a support mechanism together at the positions, which are close to the upper ends, of the support mechanism and the containing mechanism;

the accommodating and accommodating mechanism comprises an accommodating block, the accommodating block is rotatably connected to the upper ends of the four rotating shafts, two sides of the accommodating block close to the lower end position are respectively provided with an installation groove, two sides of the two installation grooves are provided with four first sliding grooves, two sides of the accommodating block close to the upper end position are provided with two first thread grooves, the upper end of the accommodating block is provided with an accommodating groove, two inner groove walls of the two sides of the accommodating groove are provided with two second sliding grooves, and the two second sliding grooves penetrate through the upper surface of the accommodating block;

telescopic machanism includes two electric telescopic handle, two electric telescopic handle is the symmetry and sets up fixed connection at two mounting groove tank bottoms, and two the electric telescopic handle output all is connected with a movable plate, slider, four of the equal fixedly connected with in movable plate both sides one side that the slider is relative extends to four first spouts and sliding connection in four first spouts, and two four second thread grooves have been seted up to one side that the movable plate is relative.

Preferably, the supporting mechanism comprises two supporting plates, the two supporting plates are in threaded connection with one sides of the two movable plates in a relative mode, a clamping groove is formed in the position, close to the lower end, of each of the two supporting plates, the two clamping grooves are movably buckled on one side of the two movable plates in a relative mode, a threaded hole is formed in the corresponding positions of the two supporting plates and the four second threaded grooves in a penetrating mode, four bolts are in common threaded connection with the threaded holes and the four second threaded grooves, a third threaded groove is formed in the middle of each of the two supporting plates in the opposite direction, two sliding plates are fixedly connected to two ends of each of the two supporting plates, and the two sliding plates are connected into the two second threaded grooves in a sliding mode.

Preferably, the supporting mechanism comprises two telescopic supporting rods, wherein the two telescopic supporting rods are respectively in threaded connection with two supporting plates and supported by two sides of the accommodating block, and are respectively in threaded connection with a first threaded rod and a second threaded rod which are fixedly connected with one sides of the telescopic supporting rods in opposite directions in two first threaded grooves, and the first threaded rods are in threaded connection with the two first threaded grooves and the second threaded rods are in threaded connection with the two third threaded grooves in opposite directions.

Preferably, one side of each of the two support plates, which is close to the upper end, is opposite to the other side, and the handle is fixedly connected with the support plates.

Preferably, the lower ends of the four rotating shafts are rotatably connected with a supporting rod.

Preferably, the lower ends of the four supporting rods are fixedly connected with a conical head.

Compared with the prior art, the utility model has the beneficial effects that: through setting up the bolt, screw hole and second thread groove are convenient to install the movable plate in the draw-in groove, thereby can be at electric telescopic handle, movable plate and extension board are stably driven to remove under the effect of slider and first spout, thereby can protect the foundation ditch of different width and pile up, it supports the expansion plate and carry out the outrigger to the extension board to drive through second thread groove and third thread groove convenience under the effect of first threaded rod and second threaded rod simultaneously, the installation rate is fast, and can install the extension board under dismantling fast in accomodating inslot portion through spout board and second spout, withdraw branch through the pivot convenience, take up an area of little, and the transportation is convenient.

Drawings

FIG. 1 is a schematic overall sectional view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1 according to the present invention;

FIG. 4 is a schematic top cross-sectional view of the mounting groove and moving plate of the present invention;

FIG. 5 is a schematic view of the receiving structure of the mounting groove and the support plate of the present invention.

In the figure: 1. a rotating shaft;

2. a storage mechanism; 21. receiving the block; 22. mounting grooves; 23. a first chute; 24. a first thread groove; 25. a receiving groove; 26. a second chute;

3. a telescoping mechanism; 31. an electric telescopic rod; 32. moving the plate; 33. a slider; 34. a second thread groove;

4. a support mechanism; 41. a support plate; 42. a card slot; 43. a threaded hole; 44. a bolt; 45. a third thread groove; 46. a slide plate; 47. a handle;

5. a support mechanism; 51. a telescopic support rod; 52. a first threaded rod; 53. a second threaded rod;

6. a strut; 7. a conical head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a combined support for foundation pit collapse prevention comprises four rotating shafts 1, wherein the upper ends of the four rotating shafts 1 are rotatably connected with an accommodating mechanism 2, the inner part of the accommodating mechanism 2, which is close to the lower end, is fixedly connected with a telescopic mechanism 3, one side, opposite to the telescopic mechanism 3, is in threaded connection with a support mechanism 4, and the support mechanism 4 and the accommodating mechanism 2 are in threaded connection with a support mechanism 5 at positions close to the upper ends;

the accommodating mechanism 2 comprises an accommodating block 21, the accommodating block 21 is rotatably connected to the upper ends of the four rotating shafts 1, two sides of the accommodating block 21 close to the lower end position are respectively provided with an installation groove 22, two sides of the two installation grooves 22 are provided with four first sliding grooves 23, two sides of the accommodating block 21 close to the upper end position are provided with two first threaded grooves 24, the upper end of the accommodating block 21 is provided with an accommodating groove 25, inner groove walls of two sides of the accommodating groove 25 are provided with two second sliding grooves 26, and the two second sliding grooves 26 penetrate through the upper surface of the accommodating block 21;

telescopic machanism 3 includes two electric telescopic handle 31, and two electric telescopic handle 31 are the symmetry and set up fixed connection at two 22 tank bottoms of mounting groove, and two electric telescopic handle 31 output all are connected with a movable plate 32, and slider 33 of the equal fixedly connected with in movable plate 32 both sides, and four relative one sides of slider 33 extend to in four first spout 23 and sliding connection are in four first spout 23, and two relative one sides of movable plate 32 have seted up four second thread grooves 34.

Support mechanism 4 and include two extension boards 41, two extension boards 41 threaded connection are in two relative one sides of movable plate 32, and two extension boards 41 are close to lower extreme position and all offer a draw-in groove 42, two draw-in groove 42 activity lock joints are in two relative one sides of movable plate 32, two extension boards 41 and four second thread groove 34 corresponding positions all run through and offer a screw hole 43, and four screw holes 43 and four second thread groove 34 common threaded connection have four bolts 44, a third thread groove 45 has all been offered to one side in opposite directions in two extension boards 41 middle parts, and two equal fixedly connected with one slide 46 in extension board 41 both ends, and two slide 46 sliding connection are in two second spout 26. The clamping of the movable plate 32 and the clamping groove 42 is facilitated, so that the support plate 41 can be conveniently and stably installed under the action of the second thread groove 34 and the threaded hole 43 through the bolt 44, and foundation pits with different widths can be conveniently supported.

Supporting mechanism 5 includes two flexible bracing pieces 51, two flexible bracing pieces 51 are threaded connection respectively and are supported at two spinal branch boards 41 and accomodate piece 21 both sides, and first threaded rod 52 of the equal fixedly connected with in the relative one side of two flexible bracing pieces 51, two first threaded rod 52 threaded connection are in two first thread grooves 24, two flexible bracing pieces 51 are second threaded rod 53 of the equal fixedly connected with in the relative one side, and two second threaded rod 53 threaded connection are in two third thread grooves 45, be favorable to conveniently driving flexible bracing piece 51 through first threaded rod 52 and second threaded rod 53 and support spinal branch board 41, thereby increase the stability of spinal branch board 41.

The opposite sides of the two support plates 41 near the upper ends are fixedly connected with a handle 47, which is beneficial to taking out the support plates 41 from the accommodating grooves 25 conveniently through the handles 47.

The lower ends of the four rotating shafts 1 are rotatably connected with a supporting rod 6, so that the supporting and accommodating block 21 is conveniently and stably supported by the four supporting rods 6, and the supporting stability is improved.

The lower ends of the four supporting rods 6 are fixedly connected with conical heads 7, so that the four supporting rods 6 can be conveniently driven to rapidly enter soil through the four conical heads 7.

Specifically, when the utility model is used, four support rods 6 are rotated and opened from the bottom end of the accommodating block 21 through the four rotating shafts 1, then the support rods 6 are quickly inserted into soil through the four conical heads 7, at the moment, the two electric telescopic rods 31 are started, the two electric telescopic rods 31 can push the two movable plates 32 to move in the mounting groove 22, at the moment, the two movable plates 32 drive the four sliding blocks 33 to slide in the four first sliding grooves 23, when the movable plates 32 move from the inside of the mounting groove 22 to the outer end of the accommodating block 21, the two support plates 41 can drive the sliding plates 46 to slide in the second sliding grooves 26 through pulling the handles 47, when the two support plates 41 move out of the accommodating grooves 25, the clamping grooves 42 at the lower ends of the two support plates 41 are clamped on the two movable plates 32, at the moment, the four bolts 44 penetrate through the four threaded holes 43 and are fastened in the four second threaded grooves 34 in a threaded manner, and then the two telescopic support rods 51 drive the two first threaded rods 52 and the second threaded rods 53 to be fastened to the two threaded rods in the two movable plates 32 in a manner In the first thread groove 24 and the third thread groove 45, the electric telescopic rod 31 is started to drive the support plate 41 to stably abut against the inner wall of the foundation pit.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch is prevented collapsing and is used combination formula support which characterized in that: the supporting device comprises four rotating shafts (1), wherein the upper ends of the four rotating shafts (1) are rotatably connected with a containing mechanism (2), the inner part of the containing mechanism (2) close to the lower end is fixedly connected with a telescopic mechanism (3), one side of the telescopic mechanism (3) opposite to the inner part is in threaded connection with a supporting mechanism (4), and the supporting mechanism (4) and the containing mechanism (2) close to the upper ends are in threaded connection with a supporting mechanism (5) together;

the accommodating mechanism (2) comprises an accommodating block (21), the accommodating block (21) is rotatably connected to the upper ends of the four rotating shafts (1), two mounting grooves (22) are formed in two sides, close to the lower end, of the accommodating block (21), four first sliding grooves (23) are formed in two sides of the two mounting grooves (22), two first threaded grooves (24) are formed in two sides, close to the upper end, of the accommodating block (21), an accommodating groove (25) is formed in the upper end of the accommodating block (21), two second sliding grooves (26) are formed in inner groove walls of two sides of the accommodating groove (25), and the two second sliding grooves (26) penetrate through the upper surface of the accommodating block (21);

telescopic machanism (3) are including two electric telescopic handle (31), two electric telescopic handle (31) are the symmetry and set up fixed connection at two mounting grooves (22) tank bottoms, and two electric telescopic handle (31) output all is connected with a movable plate (32), slider (33) of the equal fixedly connected with in movable plate (32) both sides, four slider (33) relative one side extends to in four first spout (23) and sliding connection in four first spout (23), and two four second thread groove (34) have been seted up to movable plate (32) relative one side.

2. The combined support for foundation pit collapse prevention according to claim 1, wherein: the supporting mechanism (4) comprises two support plates (41), the two support plates (41) are in threaded connection with one sides of the two moving plates (32) which are opposite, and the positions of the two support plates (41) close to the lower ends are respectively provided with a clamping groove (42), the two clamping grooves (42) are movably buckled at one side opposite to the two movable plates (32), the positions of the two support plates (41) corresponding to the four second thread grooves (34) are respectively provided with a threaded hole (43) in a penetrating way, four bolts (44) are in common threaded connection with the four threaded holes (43) and the four second threaded grooves (34), a third threaded groove (45) is formed in one opposite side of the middle parts of the two support plates (41), and both ends of the two support plates (41) are fixedly connected with a sliding plate (46), and the two sliding plates (46) are connected in the two second sliding chutes (26) in a sliding manner.

3. The combined support for foundation pit collapse prevention according to claim 1, wherein: supporting mechanism (5) are including two flexible bracing pieces (51), two flexible bracing piece (51) threaded connection respectively supports at two spinal branch boards (41) and accomodate piece (21) both sides, and two first threaded rod (52), two of the equal fixedly connected with in one side relatively of flexible bracing piece (51) first threaded rod (52) threaded connection is in two first thread grooves (24), two flexible bracing piece (51) opposite one side equal fixedly connected with second threaded rod (53), and two second threaded rod (53) threaded connection is in two third thread grooves (45).

4. The combined support for foundation pit collapse prevention according to claim 2, wherein: one opposite sides of the two support plates (41) close to the upper end are fixedly connected with a handle (47).

5. The combined support for foundation pit collapse prevention according to claim 1, wherein: the lower ends of the four rotating shafts (1) are rotatably connected with a supporting rod (6).

6. The combined support for foundation pit collapse prevention according to claim 5, wherein: the lower ends of the four supporting rods (6) are fixedly connected with conical heads (7).