CN214659312U

CN214659312U - Foundation pit protection device

Info

Publication number: CN214659312U
Application number: CN202120276246.7U
Authority: CN
Inventors: 孙鹏; 张朝龙; 黄涛
Original assignee: Shenyang Guoxing Construction Engineering Co Ltd
Current assignee: Shenyang Guoxing Construction Engineering Co Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-09
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a foundation pit protection device, which comprises upright posts, a protection rod and a support plate, wherein the lower end of the support plate is connected with a base, a chute is arranged on the support plate, a slide rod is glidingly connected in the chute, a support rod is rotatablely connected on the slide rod, the support rod is connected with a circular plate, the circular plate is connected with a rotation seat, the rotation seat is rotatablely connected with a rotating shaft, the rotating shaft is fixedly connected with a bottom plate, one end of the bottom plate is provided with a pointed cone block, the other end surface is provided with a self-locking universal wheel, a cross rod is connected between the two upright posts, the middle part of the cross rod is connected with a screw rod, the upper end of the screw rod is connected with a rocker, the lower end of the screw rod is connected with a pressing sheet, when the device is placed, the pointed cone block is inserted into soil, the stability of the device is improved, the device needs to be moved, the bottom plate is turned over by 180 degrees, the direction of the self-locking universal wheel on the bottom plate faces downwards, the rocker is rocked, the self-locking universal wheel is located below the base, and the device is convenient to move through the self-locking universal wheel.

Description

Foundation pit protection device

Technical Field

The utility model relates to a protector technical field, concrete field is a foundation ditch protector.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and drainage work is performed. The persons with low excavation depth can use the method of putting side slope to make the earth slope stable, and the size of the slope is determined according to the relevant construction project. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold areas, natural cold air freezing method can be adopted for excavation and the like.

Along with the development of urban construction, high-rise buildings and super high-rise buildings are more and more, the number of layers of basements is increased along with the increase of the height of the high-rise buildings, the excavation depth of a foundation pit is from several meters to dozens of meters, the construction of the deep foundation pit is more dangerous, and therefore higher requirements are provided for safety protection in the foundation pit. The existing foundation pit engineering safety protection device usually uses a guard rail made of a metal material to be placed beside a foundation pit so as to prevent personnel from falling into the foundation pit, but the traditional guard rail is not firm when being placed, is easy to topple, is inconvenient to move, cannot meet the requirements of actual engineering projects, and aims at the problems provided above, so that the foundation pit protection device is needed, and the problems mentioned above are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foundation ditch protector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a foundation pit protection device comprises two symmetrically arranged stand columns, a plurality of protection rods are arranged between the two stand columns at equal intervals, the front and back of the lower ends of the stand columns are symmetrically connected with supporting plates, the lower ends of the two supporting plates are fixedly connected with a base, sliding grooves are symmetrically formed in the two supporting plates, sliding rods penetrate through the two sliding grooves and are slidably connected with the two supporting plates, an annular groove is formed in the middle of each sliding rod, supporting rods are rotatably connected to the annular groove of each sliding rod, circular plates are symmetrically connected to one opposite side surfaces of the two supporting rods, rotating seats are symmetrically connected to one opposite side surfaces of the two circular plates, rotating shafts are symmetrically rotatably connected to one opposite sides of the two rotating seats, a bottom plate is fixedly connected between the two rotating shafts and is a rectangular plate, a plurality of pointed cone blocks are arranged on one end face of the bottom plate at equal intervals, and self-locking universal wheels are arranged at four corners on the other end face of the bottom plate, the protective rod and the bottom plate which are arranged at the lowest ends between the two upright columns are connected with a cross rod, the middle of the cross rod is connected with a screw rod in a penetrating and threaded mode, the upper end of the screw rod is connected with a rocker, and the lower end of the screw rod is connected with a pressing sheet.

Preferably, the surface of the pointed cone block is provided with a barb.

Preferably, both ends about the guard bar with both ends are all rotated and are connected about the horizontal pole on the stand.

Preferably, a plurality of hooks are symmetrically and equidistantly connected to the surface of one side, far away from the two upright columns, of the upright column.

Preferably, the surface of the bottom plate is provided with a groove, the two sides of the groove are symmetrically connected with slide rails, the slide rails are connected with cover plates in a sliding manner, and round holes are formed in the surfaces of the cover plates at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an use the device when protecting the foundation ditch, it is other to move the device to the foundation ditch, wave the rocker, the rocker drives the screw rod and moves down, the screw rod drives the preforming and moves down, the preforming is pressed and is driven the bottom plate and move down on the bottom plate, the bottom plate drives the sharp awl piece on its surface and moves down, sharp awl piece inserts in soil, thereby fix the device, it directly puts the rail guard in the other method of foundation ditch to compare tradition, the device is more stable when placing, when needs remove the device, take out sharp awl piece from soil, upset bottom plate 180, auto-lock universal wheel on the bottom plate is located the bottom plate below this moment, wave the rocker, make auto-lock universal wheel be located the below of base, be convenient for remove the device through the auto-lock universal wheel.

Drawings

Fig. 1 is a schematic view of the fixing structure of the present invention;

FIG. 2 is a schematic view of the structure of the utility model;

FIG. 3 is a schematic left side view of the structure of FIG. 1;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 5 is an enlarged view of the structure at B in FIG. 2;

fig. 6 is a schematic top view of the middle cover plate of the present invention.

In the figure: 1-upright column, 2-protective rod, 3-support plate, 4-base, 5-sliding chute, 6-sliding rod, 7-support rod, 8-circular plate, 9-rotating seat, 10-rotating shaft, 11-bottom plate, 12-pointed cone block, 13-cross bar, 14-screw rod, 15-rocker, 16-pressing piece, 17-barb, 18-hook, 19-groove, 20-sliding rail, 21-cover plate, 22-round hole and 23-self-locking universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a foundation pit protection device comprises two upright posts 1 which are arranged in bilateral symmetry, a plurality of protection rods 2 are arranged between the two upright posts at equal intervals, supporting plates 3 are fixedly connected with the front and back sides of the lower end face of each upright post 1 symmetrically, the lower ends of the two supporting plates 3 are fixedly connected with a base 4, sliding grooves 5 are symmetrically arranged on the two supporting plates 3, sliding rods 6 are connected in the two sliding grooves 5 in a penetrating and sliding manner, the sliding rods 6 can slide up and down in the sliding grooves 5, annular grooves are formed in the middle parts of the sliding rods 6, supporting rods 7 are rotatably connected at the annular grooves on the sliding rods 6, circular plates 8 are symmetrically connected on the opposite side surfaces of the two supporting rods 7, rotating seats 9 are symmetrically connected on the opposite side surfaces of the two circular plates 8, rotating shafts 10 are symmetrically and rotatably connected on the opposite sides of the two rotating seats 9, a bottom plate 11 is fixedly connected between the two rotating shafts 10, and the bottom plate 11 is a rectangular plate, a plurality of pointed cone blocks 12 are equidistantly arranged on one end face of a bottom plate 11, four corners on the other end face of the bottom plate 11 are respectively provided with a self-locking universal wheel 23, a cross rod 13 is connected between two upright posts 1 and between a protective rod 2 positioned at the lowest end and the bottom plate 11, the middle part of the cross rod 13 is in threaded connection with a screw rod 14, the upper end of the screw rod 14 is connected with a rocker 15, the lower end of the screw rod 14 is connected with a pressing sheet 16, a pressing groove (not shown in the drawing, and the pointed cone blocks 12 are not arranged in the pressing groove) is arranged at the surface center of the bottom plate 11, the position of the pressing sheet 16 corresponds to the position of the pressing groove up and down, when the device is used for enclosing the edge of a foundation pit, the device is moved to the vicinity of the foundation pit, the rocker 15 is positively shaken, the rocker 15 drives the screw rod 14 to move downwards, the screw rod 14 drives the pressing sheet 16 at the lower end of the screw rod 14 to move downwards, the pressing sheet 16 is pressed in the pressing groove at the center of the bottom plate 11, and the pressing sheet 16 drives the bottom plate 11 to move downwards, the bottom plate 11 drives the pointed cone block 12 at the lower end to move downwards, the pointed cone block 12 is inserted into soil so as to fix the position of the device, when the device needs to be moved, the rocker 15 is rocked reversely, the rocker 15 drives the pressing sheet 16 to move upwards through the screw 14, the pressing sheet 16 is separated from the bottom plate 11, extract point awl piece 12 from soil through external force, 11 one hundred eighty degrees on the rotating bottom plate, point awl piece 12 direction on the bottom plate 11 up this moment, auto-lock universal wheel 23 direction on the bottom plate 11 is down, rocking rod 15 is waved to forward once more, rocking rod 15 drives bottom plate 11 downstream once more through preforming 16 on the screw rod 14, auto-lock universal wheel 23 and the ground contact on the bottom plate 11, lift up stand 1 this moment, continue to rock rocking rod 15, the position that makes auto-lock universal wheel 23 on the bottom plate 11 is located the below of base 4, put down stand 1, be convenient for remove the device through auto-lock universal wheel 23.

Specifically, the surface of the pointed cone block 12 is provided with the barb 17, so that when the pointed cone block 12 is inserted into soil, the friction force between the pointed cone block 12 and the soil is increased, and the pointed cone block 12 is prevented from being separated from the soil.

Particularly, both ends and the horizontal pole 13 about both ends all rotate to be connected on stand 1 about fender rod 2, are convenient for protect the use in there is the slope place.

Particularly, a plurality of hooks 18 are symmetrically and equidistantly connected to the surface of one side, far away from the two upright posts 1, and a plurality of devices can be connected together through the hooks 18, so that the connection and the use are convenient.

Particularly, recess 19 has been seted up on the surface of bottom plate 11, the bilateral symmetry of recess 19 has slide rail 20, sliding connection has apron 21 on slide rail 20, round hole 22 has been seted up to the equidistance on the surface of apron 21, when removing the device, can take out apron 21 from recess 19, detain on bottom plate 11, point awl piece 12 on the bottom plate 11 injects the round hole 22 on the apron 21 in, avoid point awl piece 12 to expose externally, avoid point awl piece 12 scratch staff, reduce the potential safety hazard.

The working principle is as follows: the utility model relates to a foundation pit protection device, when using the device to enclose the foundation pit edge, move the device near the foundation pit, forward rock the rocker 15, rocker 15 drives screw rod 14 and moves down, screw rod 14 drives the preforming 16 of its lower extreme and moves down, preforming 16 presses in the indent of bottom plate 11 center department, preforming 16 drives bottom plate 11 and moves down, bottom plate 11 drives the sharp awl piece 12 of its lower extreme and moves down, sharp awl piece 12 inserts in soil and thus fixes the position of the device, compared with the traditional method of directly putting the rail guard beside the foundation pit, the device is more stable when placing, when needing to move the device, reverse rock the rocker 15, rocker 15 drives preforming 16 and moves up through screw rod 14, preforming 16 separates with bottom plate 11, rotate bottom plate 11 one hundred eighty degrees, the sharp awl piece 12 direction on bottom plate 11 is up at this moment, take out apron 21 in the recess 19 on the bottom plate 11, detain on bottom plate 11 on the surface, sharp awl piece 12 on the bottom plate 11 injects the round hole 22 on the apron 21 in, it is outside to avoid sharp awl piece 12 to expose, auto-lock universal wheel 23 direction on the bottom plate 11 is down, forward wave rocker 15 once more, rocker 15 drives bottom plate 11 downstream once more through preforming 16 on the screw rod 14, auto-lock universal wheel 23 on the bottom plate 11 and ground contact, lift up stand 1 this moment, continue to wave rocker 15, the position that makes auto-lock universal wheel 23 on the bottom plate 11 is located the below of base 4, put down stand 1, be convenient for remove the device through auto-lock universal wheel 23.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch protector, includes stand (1) that two symmetries set up, its characterized in that: two equidistance is equipped with a plurality of fender rods (2) between the stand, symmetrical connection has backup pad (3) around the lower extreme of stand (1), two lower extreme fixedly connected with base (4) of backup pad (3), two spout (5) have been seted up to symmetry on backup pad (3), run through sliding connection has slide bar (6) in two spout (5), the annular groove has been seted up at the middle part of slide bar (6), annular groove department on slide bar (6) rotates and is connected with bracing piece (7), two a side surface symmetry that bracing piece (7) are mutually opposite is connected with plectane (8), two a side surface symmetry that plectane (8) are mutually opposite is connected with rotation seat (9), two a side symmetry rotation that rotation seat (9) are mutually opposite is connected with pivot (10), two fixedly connected with bottom plate (11) between pivot (10), the novel protective rod is characterized in that the bottom plate (11) is a rectangular plate, a plurality of pointed cone blocks (12) are equidistantly arranged on one end face of the bottom plate (11), self-locking universal wheels (23) are arranged at four corners on the other end face of the bottom plate (11), a cross rod (13) is connected between the two upright columns (1) and between the protective rod (2) located at the lowest end and the bottom plate (11), a screw rod (14) is connected to the middle of the cross rod (13) in a penetrating mode through threads, a rocker (15) is connected to the upper end of the screw rod (14), and a pressing piece (16) is connected to the lower end of the screw rod (14).

2. A foundation pit protection device according to claim 1, characterized in that: the surface of the pointed cone block (12) is provided with a barb (17).

3. A foundation pit protection device according to claim 1, characterized in that: the left end and the right end of the guard bar (2) and the left end and the right end of the cross bar (13) are rotatably connected to the upright post (1).

4. A foundation pit protection device according to claim 1, characterized in that: two stand (1) keep away from one side surface on mutually and be connected with a plurality of couples (18) of symmetry equidistance.

5. A foundation pit protection device according to claim 1, characterized in that: the surface of bottom plate (11) is seted up flutedly (19), the bilateral symmetry of recess (19) is connected with slide rail (20), sliding connection has apron (21) on slide rail (20), round hole (22) have been seted up to the equidistance on the surface of apron (21).