CN216713044U

CN216713044U - Foundation pit supporting device with high safety performance

Info

Publication number: CN216713044U
Application number: CN202123268553.XU
Authority: CN
Inventors: 张海峰; 叶珮琳; 张云
Original assignee: Zhejiang Hongtuo Construction Co ltd
Current assignee: Zhejiang Hongtuo Construction Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-10
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a high-safety foundation pit supporting device, which relates to the technical field of buildings and comprises a supporting main body, wherein four corners inside the supporting main body are fixedly provided with fixed cylinders, four groups of fixed cylinders are internally provided with bolts, the tail ends of the bolts are fixedly provided with connectors, the outer sides of the connectors are movably connected with jacks, the outer sides of the jacks are uniformly and fixedly provided with a plurality of groups of expansion strips, the outer wall of each fixed cylinder is fixedly provided with a plurality of groups of limiting pieces staggered with the expansion strips, and the tail ends of the bolts far away from the connectors are fixedly provided with screw heads. The integral supporting main body is in modularized splicing, different numbers of supporting main bodies can be selected according to the size of a specific foundation pit for modularized splicing, the top head and the multiple groups of expansion strips are impacted into the soil, and the multiple groups of limiting pieces extend into the soil for integral limiting and fixing, so that the connection stability between the supporting main body and the surface of the foundation pit is effectively improved, and the safety performance of the supporting is integrally improved.

Description

Foundation pit supporting device with high safety performance

Technical Field

The utility model relates to the technical field of buildings, in particular to a foundation pit supporting device with high safety performance.

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, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site before excavation, waterproof drainage work is performed, a slope can be placed for people who do not excavate deeply to stabilize the soil slope, the slope is determined according to relevant construction regulations, people who excavate deeper buildings and nearby buildings can use a foundation pit wall supporting method and a concrete spraying wall protecting method, and a large foundation pit even adopts methods of interlocking underground continuous walls and column type bored piles and the like to prevent the collapse of the outer side of the soil layer.

When an existing foundation pit support is installed, criss-cross reinforcing steel bar meshes are usually laid on the surface of a foundation pit, then concrete is sprayed on the outer surface of the support, but the whole support is not stable enough to be connected with the surface of the foundation pit due to the fact that the reinforcing steel bar meshes are directly laid, the support is in risk of falling off due to the fact that the support is laid for a long time, and therefore the safety performance of the foundation pit support is integrally reduced.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a high-safety foundation pit supporting device, so as to solve the technical problems that in the prior art, the connection between the whole support and the surface of a foundation pit is not stable enough due to the fact that a reinforcing mesh is directly laid, and the support falls off due to long-term use, so that the safety performance of the foundation pit support is integrally reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high security performance's excavation supporting device, is including strutting the main part, strut the inside four corners department of main part and all fix and be provided with solid fixed cylinder, four groups the inside bolt that is provided with of solid fixed cylinder, the terminal fixed connector that is provided with of bolt, connector outside swing joint has the top, the top outside is even fixed and is provided with multiunit inflation strip, gu the fixed spacing piece that is provided with multiunit and inflation strip looks mistake of solid fixed cylinder outer wall, the terminal fixed spiral shell head that is provided with of connector is kept away from to the bolt.

Through adopting above-mentioned technical scheme, through in striking into soil with top and multiunit inflation strip to and carry out whole spacing fixedly in multiunit spacing piece extends to soil, effectual improvement strut the main part and the foundation ditch surface between be connected stably, whole security performance that has improved and strut.

The utility model is further provided with a baffle fixedly arranged outside the fixed cylinder and at one side of the support main body, and an internal thread matched with the bolt is arranged inside the fixed cylinder.

By adopting the technical scheme, the baffle plays a role in fixedly connecting the fixed cylinder and the support main body, so that the fixed cylinder and the support main body are more firmly connected.

The utility model is further arranged in that a movable groove matched with the connector is formed in the ejector, and the cross sections of the connector and the movable groove are T-shaped.

Through adopting above-mentioned technical scheme, when the bolt was rotatory, under the cooperation of connector and activity groove, the top can not rotate along with the rotation of bolt, only can be by the further top of bolt advance in the soil, increase holistic fastness.

The utility model is further provided that one side and one end of the supporting main body are both fixedly provided with a bulge, and the other side and the other end of the supporting main body are both fixedly provided with a matching groove matched with the bulge.

Through adopting above-mentioned technical scheme, under the cooperation of arch and cooperation groove, can the multiunit strut and carry out the modularization concatenation between the main part, and the multiunit strut the mutual block between the main part, effectively increased holistic stable form and continuity.

The utility model is further arranged in that a reinforcing mesh is uniformly arranged in the support main body and consists of a plurality of groups of reinforcing steel bars in a criss-cross mode.

Through adopting above-mentioned technical scheme, the reinforcing bar net further blocks foundation ditch surface soil, the effectual risk of having avoided great clod to drop.

In summary, the utility model mainly has the following beneficial effects: the integral supporting main body is in modularized splicing, different numbers of supporting main bodies can be selected according to the size of a specific foundation pit for modularized splicing, the top head and the multiple groups of expansion strips are impacted into the soil, and the multiple groups of limiting pieces extend into the soil for integral limiting and fixing, so that the connection stability between the supporting main body and the surface of the foundation pit is effectively improved, and the safety performance of the supporting is integrally improved.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a partial exploded view of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A.

In the figure: 1. a support main body; 2. a fixed cylinder; 3. a baffle plate; 4. a limiting sheet; 5. a bolt; 6. ejecting the head; 7. a movable groove; 8. an expansion strip; 9. a screw head; 10. a connector; 11. an internal thread; 12. a protrusion; 13. a mating groove; 14. and (4) reinforcing mesh.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A high-safety foundation pit supporting device is disclosed, as shown in figures 1, 2 and 3, and comprises a supporting main body 1, four corners inside the supporting main body 1 are fixedly provided with fixed cylinders 2, a baffle 3 is fixedly arranged outside the fixed cylinders 2 and on one side of the supporting main body 1, bolts 5 are arranged inside four groups of fixed cylinders 2, internal threads 11 matched with the bolts 5 are arranged inside the fixed cylinders 2, the tail ends of the bolts 5 are fixedly provided with connectors 10, the outer sides of the connectors 10 are movably connected with headers 6, the outer sides of the headers 6 are uniformly and fixedly provided with a plurality of groups of expansion strips 8, the outer wall of the fixed cylinders 2 is fixedly provided with a plurality of groups of limiting sheets 4 staggered with the expansion strips 8, the tail ends of the bolts 5 far away from the connectors 10 are fixedly provided with screw heads 9, the headers 6 and the expansion strips 8 are impacted into soil through external equipment, and the plurality of limiting sheets 4 extend into the soil to carry out integral limiting and fixing, then twist through external instrument and move spiral shell head 9, wherein spiral shell head 9 drives the inside of 5 screw in solid fixed cylinder 2 of bolt, and because swing joint under the cooperation through connector 10 and activity groove 7 between 5 terminal and the top 6 of bolt, and then stretch into along with the rotation of bolt 5, bolt 5 further stretches into in the soil with top 6 and multiunit inflation strip 8 gradually, further improve holistic fastness, it all fixes protruding 12 that is provided with all to strut main part 1 one side and one end, it all fixes being provided with protruding 12 matched with groove 13 all to strut main part 1 opposite side and the other end, it splices for the modularization to strut main part 1, can select the main part 1 of strutting of different quantity to carry out the modularization concatenation according to concrete foundation ditch size.

Referring to fig. 1, the inside of the plug 6 is provided with the movable groove 7 matched with the connector 10, and the cross sections of the connector 10 and the movable groove 7 are in a T shape, by the arrangement of the structure, when the bolt 5 rotates, the plug 6 cannot rotate along with the rotation of the bolt 5 under the matching of the connector 10 and the movable groove 7, and only can be pushed into the soil by the bolt 5, so that the overall firmness is improved.

Referring to fig. 1, the reinforcing mesh 14 is uniformly arranged inside the supporting main body 1, the reinforcing mesh 14 further blocks the soil on the surface of the foundation pit, and the reinforcing mesh 14 is composed of a plurality of groups of reinforcing steel bars in a criss-cross manner.

The working principle of the utility model is as follows: when the modular splicing type foundation pit supporting device is used, the supporting main bodies 1 are spliced in a modular mode, and different numbers of the supporting main bodies 1 can be selected according to the size of a specific foundation pit to be spliced in a modular mode;

firstly, the top 6 and the multiple groups of expansion strips 8 are impacted into the soil through external equipment, then the multiple groups of limiting pieces 4 extend into the soil to carry out integral limiting and fixing, then the screw head 9 is screwed through an external tool, the screw head 9 drives the bolt 5 to be screwed into the fixed cylinder 2, and the tail end of the bolt 5 is movably connected with the top 6 through the matching of the connector 10 and the movable groove 7, so that the top 6 and the multiple groups of expansion strips 8 are gradually extended into the soil by the bolt 5 along with the rotation of the bolt 5, and the integral firmness is further improved;

the utility model effectively improves the connection stability between the support main body and the surface of the foundation pit, improves the safety performance of the support integrally, and does not have the phenomenon of position deviation after long-time use.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a high security performance's excavation supporting device, includes and struts main part (1), its characterized in that: strut inside four corners department of main part (1) and all fix and be provided with solid fixed cylinder (2), four groups gu fixed cylinder (2) is inside to be provided with bolt (5), bolt (5) end fixing is provided with connector (10), connector (10) outside swing joint has top (6), the even fixed multiunit inflation strip (8) that is provided with in top (6) outside, gu fixed cylinder (2) outer wall is fixed and is provided with spacing piece (4) that multiunit and inflation strip (8) are crisscross, the end fixing that connector (10) were kept away from in bolt (5) is provided with spiral shell head (9).

2. A high safety feature of the apparatus as claimed in claim 1, wherein: the fixed cylinder (2) is externally and fixedly provided with a baffle (3) on one side of the supporting main body (1), and an internal thread (11) matched with the bolt (5) is arranged inside the fixed cylinder (2).

3. A high safety feature of the apparatus as claimed in claim 1, wherein: a movable groove (7) matched with the connector (10) is formed in the ejector (6), and the cross sections of the connector (10) and the movable groove (7) are T-shaped.

4. A high safety feature of the apparatus as claimed in claim 1, wherein: it all fixes and is provided with arch (12) to strut main part (1) one side and one end, it all fixes and is provided with cooperation groove (13) with arch (12) matched with to strut main part (1) opposite side and the other end.

5. A high safety feature of the apparatus as claimed in claim 1, wherein: the steel bar net (14) is uniformly arranged in the support main body (1), and the steel bar net (14) is composed of a plurality of groups of steel bars in a criss-cross mode.