CN219931837U - Foundation pit excavation supporting structure - Google Patents

Abstract

The utility model relates to the technical field of foundation pit excavation protection, in particular to a foundation pit excavation supporting structure. The technical proposal comprises: including grafting at the support stand and the rail on ground, the rail is installed between adjacent support stand, the rail is the T shape structure that horizontal pole and montant are constituteed, the slot has been seted up to horizontal pole upper end central point put, and slot and montant bottom size looks adaptation, the side groove has all been seted up to support stand both sides, the horizontal pole both ends all are located the side inslot, side groove upper end is open structure, support stand upper end is provided with fixed subassembly. According to the utility model, the rail between the supporting upright posts is arranged into a vertical insertion combined structure, and the rotating plate at the upper end of the supporting upright post is utilized to rotate and fix the rail, so that the whole supporting structure is more convenient to assemble, the subsequent disassembly is convenient, any abrasion and damage can not be caused, and the secondary use is convenient.

Description

Foundation pit excavation supporting structure

Technical Field

The utility model relates to the technical field of foundation pit excavation protection, in particular to a foundation pit excavation supporting structure.

Background

The foundation pit excavation protection is a supporting structure for performing collapse prevention protection on the periphery of a foundation pit in the process of excavation of the foundation pit, and mainly comprises upright column fences, wherein the upright columns are equidistantly inserted into the ground and are positioned on the periphery of the foundation pit, and then the fences are installed between the upright columns, so that accidents such as collapse and the like on the side edges of the foundation pit are avoided.

Because the supporting structure of foundation ditch often belongs to a temporary building, when the excavation is finished or is backfilled, need demolish it, therefore under the prerequisite of guaranteeing the stable support of supporting structure, there is certain necessity to the simple and easy dismantlement of supporting structure, if directly utilize the bolt locking fixed, perhaps the mode of welding and bundling is fixed, not only the operation is comparatively troublesome, the efficiency is lower when demolishing, the damage of subassembly very likely appears when demolishing simultaneously, can not guarantee that supporting structure can carry out the reutilization again, consequently, need design a structure that can portable dismouting between supporting stand and the rail, solve above-mentioned problem.

Disclosure of Invention

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

The technical scheme of the utility model is as follows: the utility model provides a foundation ditch excavation supporting construction, includes support stand and rail of grafting at ground, the rail is installed between adjacent support stand, the rail is the T shape structure that horizontal pole and montant are constituteed, slot has been seted up to horizontal pole upper end central point put, and slot and montant bottom size looks adaptation, the side groove has all been seted up to support stand both sides, the horizontal pole both ends all are located the side inslot, side groove upper end is open structure, support stand upper end is provided with fixed subassembly.

Preferably, the fixed subassembly includes pivoted board and locating piece, pivoted board rotates to be connected in support stand upper end, a pair of adaptation groove has been seted up on the pivoted board, locating piece swing joint is in support stand upper end and symmetric distribution, locating piece position and side groove staggered distribution.

Preferably, the size of the adapting groove is the same as that of the side groove, the width of the positioning block is adapted to that of the adapting groove, and the fixing of the rotating plate can be ensured after the positioning block is inserted into the adapting groove.

Preferably, the upper end of the supporting upright post and the position corresponding to the positioning block are provided with telescopic grooves, the lower end of the positioning block is connected in the telescopic grooves in a sliding manner, and a pair of fixing springs are fixed between the lower end of the positioning block and the bottoms of the telescopic grooves. The positioning block can stretch out and draw back by utilizing the stretching of the fixed spring.

Preferably, the vertical rod consists of a fixed rod and an adjusting rod, the upper end of the fixed rod is fixed at the center of the bottom of the cross rod, a threaded column is fixed at the center of the upper end of the adjusting rod, and the upper end of the threaded column is in threaded connection with the bottom of the fixed rod.

Preferably, the bottom of the adjusting rod is fixed with a square plate, the size of the square plate is matched with the size of the slot, and the adjusting rod can be guaranteed to be unable to rotate after the square plate is inserted into the slot.

Compared with the prior art, the utility model has the following beneficial technical effects: the fence between the supporting upright posts is arranged to be of a vertical inserting and combining structure, and the rotating plate at the upper end of the supporting upright post is utilized to rotate and fix the fence, so that the whole supporting structure is more convenient to assemble, the follow-up disassembly is convenient, any abrasion and damage cannot be caused, and the secondary utilization is convenient.

Drawings

FIG. 1 is a schematic view of the front structure of a support post and rail combination of the present utility model;

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

FIG. 3 is a schematic view of a partially cut-away construction of a positioning block and support post combination of the present utility model;

fig. 4 is a schematic view of the combined structure of the cross bar and the vertical bar of the present utility model.

Reference numerals: 1. supporting the upright post; 11. a side groove; 2. a fence; 21. a cross bar; 22. a vertical rod; 221. a fixed rod; 222. an adjusting rod; 223. a threaded column; 224. a square plate; 23. a slot; 3. a fixing assembly; 31. a rotating plate; 32. an adaptation groove; 33. a positioning block; 34. a telescopic slot; 35. and fixing the spring.

Detailed Description

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

Example 1

As shown in fig. 1-4, the foundation pit excavation supporting structure provided by the utility model comprises supporting upright posts 1 and fences 2 which are inserted into the ground, wherein each fence 2 is installed between every two adjacent supporting upright posts 1, each fence 2 is of a T-shaped structure consisting of a cross rod 21 and a vertical rod 22, a slot 23 is formed in the central position of the upper end of each cross rod 21, the slot 23 is matched with the bottom of the vertical rod 22 in size, side slots 11 are formed in two sides of each supporting upright post 1, two ends of each cross rod 21 are positioned in each side slot 11, the upper ends of each side slot 11 are of an opening structure, and a fixing assembly 3 is arranged at the upper end of each supporting upright post 1.

The fixed assembly 3 comprises a rotating plate 31 and a positioning block 33, the rotating plate 31 is rotationally connected to the upper end of the supporting upright 1, a pair of adapting grooves 32 are formed in the rotating plate 31, the positioning block 33 is movably connected to the upper end of the supporting upright 1 and is symmetrically distributed, the positioning block 33 is staggered with the side grooves 11, the adapting grooves 32 are the same as the side grooves 11 in size, the width of the positioning block 33 is matched with the width of the adapting grooves 32, a telescopic groove 34 is formed in the upper end of the supporting upright 1 and corresponds to the positioning block 33, the lower end of the positioning block 33 is slidingly connected in the telescopic groove 34, a pair of fixing springs 35 are fixed between the lower end of the positioning block 33 and the bottom of the telescopic groove 34, the rotating plate 31 is rotated, the adapting grooves 32 are enabled to be rotated to be staggered with the upper openings of the side grooves 11, the adapting grooves 32 are aligned with the positioning block 33, the positioning block 33 extend out of the telescopic groove 34 by upward pushing of the fixing springs 35, and are simultaneously inserted into the adapting grooves 32 to ensure the fixing of the positions of the rotating plate 31, and further the shielding of the upper openings of the side grooves 11 can be used for fixing the rail 2 between the supporting upright 1.

In this embodiment, firstly, the lower ends of the supporting columns 1 are inserted into the ground along the periphery of the foundation pit at equal intervals, wherein the distance kept between the supporting columns 1 is matched with the length of the transverse rod 21, then the rail 2 is installed between the supporting columns 1, and then the supporting structure formed by the supporting columns 1 and the rail 2 is used for avoiding unexpected collapse of the side wall of the foundation pit, in this process, firstly, the rotating plate 31 needs to be rotated, the adapting groove 32 is rotated to be aligned with the side groove 11, therefore, two ends of the transverse rod 21 can be inserted into the side grooves 11 on the side edges of the adjacent supporting columns 1, and after the rail 2 is sequentially inserted, the lower ends of the vertical rods 22 are inserted into the slots 23 until the upper ends of the uppermost transverse rods 21 are aligned with the upper openings of the side grooves 11, at this moment, the rotating plate 31 can be rotated, the adapting groove 32 and the upper openings of the side grooves 11 are rotated to be staggered, and the adapting groove 32 is aligned with the positioning block 33, the positioning block 33 is pushed upwards by the fixing spring 35, and the extending the telescopic groove 34 is simultaneously inserted into the adapting groove 32, so that the position of the adapting plate 31 is guaranteed, and the opening between the two adjacent supporting columns 1 can be easily removed, namely, the supporting columns 1 can be easily removed, and the supporting columns can be easily removed from the side frames can be assembled by the opening of the supporting columns 1, or can be easily removed by the opening and the supporting columns 2.

Example two

As shown in fig. 4, based on the first embodiment, the vertical rod 22 is further improved and formed by a fixing rod 221 and an adjusting rod 222, the upper end of the fixing rod 221 is fixed at the central position of the bottom of the cross rod 21, a threaded column 223 is fixed at the central position of the upper end of the adjusting rod 222, the upper end of the threaded column 223 is connected with the bottom of the fixing rod 221 in a threaded manner, a square plate 224 is fixed at the bottom of the adjusting rod 222, and the size of the square plate 224 is matched with the size of the slot 23.

In this embodiment, when the installation of the fence 2 is performed, since the depth of the supporting upright posts 1 inserted into the ground can be adjusted according to the hardness condition of the ground, the adjusting rod 222 can be rotated at this time, so as to drive the threaded post 223 to rotate, the adjusting rod 222 is located at the bottom of the fixing rod 221, and the length of the whole vertical rod 22 can be adjusted under the condition that the square plate 224 is aligned with the slot 23, so that when the combination of the fence 2 between the supporting upright posts 1 is performed, the upper end of the uppermost cross rod 21 can be always aligned with the upper end opening of the side slot 11, and therefore, the fence 2 between the supporting upright posts 1 can be ensured not to loosen, and meanwhile, due to the square structure of the square plate 224, the square plate 224 cannot be rotated again after being inserted into the slot 23, and therefore, after the combination of the fence 2 is completed, the length of the vertical rod 22 can not be changed any more, and the stability of the installation combination is further ensured.

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 foundation ditch excavation supporting construction, includes support stand (1) and rail (2) of grafting on ground, rail (2) are installed between adjacent support stand (1), its characterized in that: the fence (2) is of a T-shaped structure formed by a cross rod (21) and a vertical rod (22), a slot (23) is formed in the center of the upper end of the cross rod (21), the slot (23) is matched with the bottom of the vertical rod (22) in size, side slots (11) are formed in two sides of the supporting upright post (1), two ends of the cross rod (21) are located in the side slots (11), the upper end of the side slots (11) is of an opening structure, and a fixing assembly (3) is arranged at the upper end of the supporting upright post (1).

2. The foundation pit excavation supporting structure according to claim 1, wherein the fixing assembly (3) comprises a rotating plate (31) and positioning blocks (33), the rotating plate (31) is rotationally connected to the upper end of the supporting upright post (1), a pair of adapting grooves (32) are formed in the rotating plate (31), the positioning blocks (33) are movably connected to the upper end of the supporting upright post (1) and are symmetrically distributed, and the positioning blocks (33) are distributed in a staggered mode with the side grooves (11).

3. The foundation pit excavation supporting structure according to claim 2, wherein the adapting groove (32) and the side groove (11) are the same in size, and the width of the positioning block (33) is adapted to the width of the adapting groove (32).

4. The foundation pit excavation supporting structure according to claim 2, wherein a telescopic groove (34) is formed in the upper end of the supporting upright post (1) and in a position corresponding to the positioning block (33), the lower end of the positioning block (33) is slidably connected in the telescopic groove (34), and a pair of fixing springs (35) are fixed between the lower end of the positioning block and the bottom of the telescopic groove (34).

5. The foundation pit excavation supporting structure according to claim 1, wherein the vertical rod (22) is composed of a fixing rod (221) and an adjusting rod (222), the upper end of the fixing rod (221) is fixed at the center of the bottom of the cross rod (21), a threaded column (223) is fixed at the center of the upper end of the adjusting rod (222), and the upper end of the threaded column (223) is connected with the bottom of the fixing rod (221) in a threaded manner.

6. The foundation pit excavation supporting structure of claim 5, wherein a square plate (224) is fixed at the bottom of the adjusting rod (222), and the square plate (224) is matched with the slot (23) in size.