CN221823449U - Elevator shaft foundation pit supporting structure - Google Patents

Abstract

The utility model provides an elevator shaft foundation pit supporting structure, which belongs to the technical field of foundation pit safety protection and aims to solve the problems that the length of the existing protective guard is troublesome to adjust, the whole transportation is difficult, and the elevator shaft foundation pit supporting structure is easy to skew due to the influence of external force, and comprises a first supporting rod; the first movable rod is hinged to the inner side of the first supporting rod; the sliding block is hinged to the inner side of the first movable rod; the second support rod is connected with the sliding block in a sliding way; the second movable rod is hinged to the inner side of the sliding block; the fixed block is hinged with the second movable rod; the width adjusting component is arranged on the second supporting rod; the splicing assembly is arranged on the outer side of the first supporting rod; the fixed component is arranged at the bottom of the first supporting rod. The width of single rail guard is adjusted conveniently, carries out whole transportation after collapsible, and is effectual with ground's fixed.

Description

A kind of elevator shaft foundation pit support structure

Technical Field

The utility model belongs to the technical field of foundation pit safety protection, and more specifically, particularly relates to an elevator shaft foundation pit supporting structure.

Background Art

In the early stages of real estate construction, a large number of elevator shaft pits will be excavated. Construction workers need to carry out construction inside or around these elevator shaft pits. In order to prevent construction workers from accidentally falling into these elevator shaft pits and causing personal danger, it is usually necessary to install guardrails around these elevator shaft pits for support. Existing guardrails are generally made of steel pipes and steel pipe fasteners.

Existing application number: CN201920952828.5, multi-purpose construction safety guardrail unit, relates to construction protection devices, especially a multi-purpose construction safety guardrail, which can be used for the protection of foundation pits, floors, elevator shafts, balconies, windows and other edge parts at construction sites. It is characterized by including fixed supports at both ends, suction supports in the middle and connecting rods connecting the fixed supports and the suction supports; the fixed support includes a base, a bolt groove is provided on the side of the base, and bolt holes connected to the ground are reserved in the bolt groove; the top of the base is a support leg, and the support leg is plugged into the slot column on its upper part; a connecting rod is arranged between the corresponding slot columns at both ends; it can stand firmly on both flat stone slabs and muddy ground, can ensure the safety of construction, effectively protect the personal safety and property safety at the construction site, and has the positive effects of easy installation, simple fixing operation steps and strong applicability.

Based on the above, the existing construction site guardrails made of steel pipes need to replace steel pipes of different lengths when adjusting the length. The entire guardrail needs to be disassembled for overall transportation, which is inconvenient, has a poor fixing effect on the ground, and is easily skewed due to external forces.

Utility Model Content

In order to solve the above technical problems, the utility model provides an elevator shaft foundation pit support structure to solve the problem that the existing guardrails at the construction site are made of steel pipes. When adjusting the length, steel pipes of different lengths need to be replaced. When transporting the whole guardrail, it is inconvenient to disassemble the entire guardrail, the fixing effect with the ground is poor, and it is easy to be skewed due to external forces.

The purpose and effect of the elevator shaft foundation pit support structure of the utility model are achieved by the following specific technical means:

An elevator shaft foundation pit support structure includes a first support rod, wherein the first support rod is provided with two pieces;

First movable rods, the first movable rods are provided in two groups, each group of the first movable rods is provided with two pieces, and the two groups of the first movable rods are respectively hinged to the inner sides of the two first support rods;

Sliding blocks, the sliding blocks are provided in two groups, each group of sliding blocks is provided with two pieces, and the two groups of sliding blocks are respectively hinged to the inner sides of the two groups of first movable rods;

A second support rod, wherein two second support rods are provided, and the two second support rods are slidably connected to the two sets of sliding blocks respectively;

The second movable rods are provided in two groups, each group of the second movable rods is provided with two pieces, and the two groups of the second movable rods are respectively hinged to the inner sides of the two groups of sliding blocks;

A fixed block, wherein two fixed blocks are provided, and the two fixed blocks are respectively hinged to the two sets of second movable rods;

A third support rod, the third support rod is fixedly connected inside the two fixing blocks, and the third support rod passes through the two fixing blocks;

A width adjustment assembly, wherein the width adjustment assembly is arranged on the two second support rods;

A splicing assembly, the splicing assembly is arranged outside the two first support rods;

A fixing assembly is arranged at the bottom of the two first support rods.

Furthermore, the width adjustment component includes:

A threaded hole, wherein a plurality of the threaded holes are provided, and the plurality of the threaded holes are provided on the two second support rods;

The bolts are arranged in two groups, each group of the bolts is arranged in two pieces, and the two groups of the bolts are respectively threadedly connected with the two groups of sliding blocks.

Furthermore, the splicing assembly includes:

A connecting block, the connecting block is fixedly connected to the outer side of the first supporting rod on the left side, and the connecting block is provided with a square through hole and a circular through hole;

A right-angle limit rod, wherein two right-angle limit rods are provided, and the two right-angle limit rods are slidably connected inside the connection block;

The pressing rod is provided with two pieces, the two pressing rods are slidably connected in the circular through hole of the connecting block, and the two pressing rods are fixedly connected with two right-angle limiting rods.

Furthermore, the splicing assembly also includes:

A docking block, the docking block is fixedly connected to the outer side of the first support rod on the right side;

A docking hole is provided inside the docking block, and a shape of the docking hole corresponds to the state in which the two right-angle limit rods are unfolded.

Furthermore, the splicing assembly also includes:

A spring is arranged inside the connecting block and is fixedly connected to two right-angle limiting rods.

Furthermore, the fixing assembly includes:

A ground supporting rod, wherein two ground supporting rods are provided, and the two ground supporting rods are respectively fixedly connected under the two first supporting rods, and two threaded grooves are respectively provided on the two ground supporting rods;

A fixing column, wherein four fixing columns are provided, and the four fixing columns are respectively threadedly connected in four thread grooves of the two ground supporting rods;

A cross hole is provided on the fixing column.

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

First, loosen the bolts and push and pull the first support rod to adjust the length of a single guardrail. It is convenient and easy. The guardrail can be folded and stored for easy transportation of the guardrail as a whole.

Secondly, by inserting the connecting block into the docking block through the docking hole, multiple guardrails can be spliced together, which is convenient for supporting large foundation pits. Multiple guardrails can be spliced and disassembled without the aid of extra tools, which is convenient and labor-saving.

Then, use an electric screwdriver to insert it into the cross hole of the fixing column to quickly and firmly fix the guardrail as a whole to the ground to prevent the guardrail from tilting due to external forces.

The utility model has the advantages that the width of a single guardrail can be easily adjusted and the guardrail can be folded for overall transportation without taking up too much space. The guardrails can be conveniently and labor-savingly spliced together and have a good fixing effect on the ground.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the utility model.

FIG. 2 is a schematic diagram of the utility model in a state after width adjustment.

FIG. 3 is a schematic diagram of the structure of the connection block of the present utility model.

FIG. 4 is a schematic diagram of the docking block structure of the present utility model.

FIG. 5 is an enlarged schematic diagram of the details of point A in FIG. 1 of the present invention.

In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

1. First support rod; 2. First movable rod; 3. Sliding block; 4. Second support rod; 5. Second movable rod; 6. Fixed block; 7. Third support rod; 8. Threaded hole; 9. Bolt; 10. Connecting block; 11. Right-angle limit rod; 12. Pressing rod; 13. Docking block; 14. Docking hole; 15. Spring; 16. Ground support rod; 17. Fixed column; 18. Cross hole.

DETAILED DESCRIPTION

The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

Embodiment 1:

As shown in Figures 1 to 5:

The utility model provides an elevator shaft foundation pit support structure, comprising a first support rod 1, wherein the first support rod 1 is provided with two pieces;

First movable rods 2, the first movable rods 2 are provided in two groups, each group of the first movable rods 2 is provided with two pieces, and the two groups of the first movable rods 2 are respectively hinged to the inner sides of the two first support rods 1;

Sliding blocks 3, wherein two groups of sliding blocks 3 are provided, each group of sliding blocks 3 is provided with two pieces, and the two groups of sliding blocks 3 are respectively hinged to the inner sides of the two groups of first movable rods 2;

A second support rod 4, wherein two second support rods 4 are provided, and the two second support rods 4 are slidably connected to the two sets of sliding blocks 3 respectively;

The second movable rods 5 are provided in two groups, each group of the second movable rods 5 is provided with two pieces, and the two groups of the second movable rods 5 are respectively hinged to the inner sides of the two groups of sliding blocks 3;

A fixed block 6, wherein two fixed blocks 6 are provided, and the two fixed blocks 6 are respectively hinged to the two sets of second movable rods 5;

A third support rod 7, the third support rod 7 is fixedly connected inside the two fixing blocks 6, and the third support rod 7 passes through the two fixing blocks 6;

A width adjustment assembly, the width adjustment assembly is arranged on two second support rods 4;

A splicing assembly is arranged outside the two first support rods 1 .

Wherein, the width adjustment component includes:

A threaded hole 8, wherein a plurality of threaded holes 8 are provided, and the plurality of threaded holes 8 are provided on the two second support rods 4;

Bolts 9, two groups of bolts 9 are provided, and each group of bolts 9 is provided with two pieces. The two groups of bolts 9 are respectively threadedly connected with the two groups of sliding blocks 3. The effect brought about is that the sliding blocks 3 are threadedly connected and fixed on the threaded holes 8 at different positions of the second support rod 4 by the bolts 9, and the spacing between the third support rod 7 and the first support rod 1 can be conveniently adjusted.

Among them, the splicing components include:

A connecting block 10, the connecting block 10 is fixedly connected to the outer side of the first supporting rod 1 on the left side, and a square through hole and a circular through hole are formed on the connecting block 10;

A right-angle limiting rod 11, wherein two right-angle limiting rods 11 are provided, and the two right-angle limiting rods 11 are slidably connected inside the connecting block 10;

The pressing rod 12 is provided with two pieces, and the two pressing rods 12 are slidably connected in the circular through hole of the connecting block 10, and the two pressing rods 12 are fixedly connected with the two right-angle limiting rods 11. The effect brought about is that by controlling the two pressing rods 12, the two right-angle limiting rods 11 can be driven to slide up and down in the square through hole of the connecting block 10.

Among them, the splicing components also include:

A docking block 13, the docking block 13 is fixedly connected to the outer side of the first support rod 1 on the right side;

The docking hole 14 is opened inside the docking block 13. The shape of the docking hole 14 corresponds to the unfolded state of the two right-angle limit rods 11. The effect is that the connecting block 10 can be inserted into the docking block 13 through the docking hole 14, thereby completing the splicing of the two guardrails.

Among them, the splicing components also include:

Spring 15, spring 15 is arranged inside the connecting block 10, and spring 15 is fixedly connected with two right-angle limit rods 11. The effect brought about is that after the two guardrails are docked, the two pressing rods 12 are released, and under the action of spring 15, the two right-angle limit rods 11 move outwards respectively and are inserted into the docking holes 14, so as to firmly clamp the docking block 13 and the connecting block 10.

The specific usage and function of this embodiment are as follows:

When using the guardrail of the construction site, first adjust the bolt 9 to loosen the bolt 9 to release the positioning of the sliding block 3 and the first movable rod 2, and then pull the two first support rods 1 to the left and right sides respectively to make the sliding block 3 slide on the outer surface of the second support rod 4, and make the first movable rod 2 and the second movable rod 5 rotate, so as to adjust the spacing between the first support rod 1, the second support rod 4 and the third support rod 7, so as to facilitate the adjustment of the length of the guardrail, and because the outer surface of the second support rod 4 is evenly distributed with threaded holes 8, the bolt 9 can be adjusted after the sliding block 3 slides to a suitable position, so as to adjust the sliding block 3 and the first movable rod 2 and the second The state of the movable rod 5 is restricted so as to achieve the purpose of adjusting the length of the guardrail at will; similarly, the guardrail can be folded and stored for easy carrying and transportation; at the same time, the two pressing rods 12 are pressed inwardly to make the two right-angle limit rods 11 slide up and down in the square through holes of the connecting block 10, and the connecting block 10 is inserted into the docking block 13 of the other guardrail through the docking hole 14, and the two pressing rods 12 are released. Under the action of the spring 15, the two right-angle limit rods 11 move outwardly and are respectively inserted into the docking hole 14, and the docking block 13 and the connecting block 10 are firmly clamped, thereby completing the splicing of the two guardrails, which is convenient for protecting larger elevator shaft foundation pits.

Embodiment 2:

On the basis of the first embodiment, as shown in FIGS. 1 to 5 , a fixing assembly is further included, and the fixing assembly is arranged at the bottom of the two first support rods 1 .

The fixed components include:

A ground support rod 16, wherein two ground support rods 16 are provided, and the two ground support rods 16 are respectively fixedly connected to the bottom of the two first support rods 1, and two threaded grooves are respectively provided on the two ground support rods 16;

The fixing columns 17 are provided with four pieces, and the four fixing columns 17 are respectively threadedly connected in the four thread grooves of the two ground supporting rods 16;

A cross hole 18 is provided on the fixing column 17 .

The specific usage and function of this embodiment are as follows:

When the area around the elevator shaft is uneven, place the tip of the fixing column 17 downward into the threaded groove of the ground support rod 16, use an electric screwdriver to insert the cross hole 18 of the fixing column 17, and rotate the fixing column 17 through the threaded connection with the ground support rod 16 to insert it into the ground, so as to facilitate the fixation of the guardrail as a whole and prevent the guardrail from tilting.

Claims (4)

1. The elevator shaft foundation pit supporting structure comprises a first supporting rod (1), wherein the first supporting rod (1) is provided with two pieces;

The movable support comprises two first movable rods (2), wherein two groups of the first movable rods (2) are arranged, each group of the first movable rods (2) is provided with two pieces, and the two groups of the first movable rods (2) are respectively hinged to the inner sides of the two first support rods (1);

The method is characterized in that: the four sliding blocks (3) are divided into one group, and the two groups of sliding blocks (3) are respectively hinged to the inner sides of the two groups of first movable rods (2);

the second support rods (4) are arranged in two parts, and the second support rods (4) are connected with the two groups of sliding blocks (3) in a sliding manner;

The second movable rods (5) are arranged in two groups, each group of the second movable rods (5) is provided with two pieces, and the two groups of the second movable rods (5) are respectively hinged to the inner sides of the two groups of sliding blocks (3);

The fixed blocks (6) are arranged in two parts, and the two fixed blocks (6) are hinged with two groups of second movable rods (5) respectively;

the third supporting rod (7) penetrates through the two fixed blocks (6), and the third supporting rod (7) is fixedly connected inside the two fixed blocks (6);

The threaded holes (8) are formed in a plurality of mode, and the threaded holes (8) are formed in two second support rods (4);

The bolts (9) are arranged in two groups, each group of bolts (9) is provided with two pieces, and the two groups of bolts (9) are respectively in threaded connection with the two groups of sliding blocks (3);

the width adjusting components are arranged on the two second support rods (4);

The splicing components are arranged on the outer sides of the two first support rods (1);

The ground supporting rods (16), wherein the two ground supporting rods (16) are fixedly connected below the two first supporting rods (1) respectively, and two thread grooves are formed in the two ground supporting rods (16) respectively;

The fixing columns (17) are arranged in four parts, and the four parts of the fixing columns (17) are respectively connected in four thread grooves of the two ground supporting rods (16) in a threaded manner;

The cross hole (18), the cross hole (18) is offered on fixed column (17).

2. The hoistway pit supporting structure according to claim 1, wherein: the splicing component comprises:

the connecting block (10), the connecting block (10) is fixedly connected to the outer side of the first supporting rod (1) at the left side, and a square through hole and a round through hole are formed in the connecting block (10);

The right-angle limiting rod (11), the right-angle limiting rod (11) is provided with two pieces, and the two right-angle limiting rods (11) are slidably connected inside the connecting block (10);

The pressing rod (12), pressing rod (12) set up two, two pressing rod (12) sliding connection is in the circular through-hole of connecting block (10), two pressing rod (12) and two right angle gag lever post (11) fixed connection.

3. The hoistway pit supporting structure according to claim 2, wherein: the splice assembly further comprises:

The butt joint block (13), the said butt joint block (13) is fixedly connected to the outside of the first bracing piece (1) of the right side;

The butt joint hole (14), butt joint hole (14) are offered inside butt joint piece (13), the shape of butt joint hole (14) corresponds with the state that two right angle gag lever posts (11) were expanded.

4. A hoistway pit supporting structure as defined in claim 3, wherein: the splice assembly further comprises:

The spring (15), spring (15) set up in the inside of connecting block (10), spring (15) and two right angle gag lever post (11) fixed connection.