阅读说明：本技术 一种基坑拆撑与地下室结构及其施工方法 (Foundation pit support removing and basement structure and construction method thereof ) 是由 张荣涛 王健 王大勇 侯庆达 许宝辉 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种基坑拆撑与地下室结构,包括支撑主架、支撑杆、活动卡体和连接构件、锁紧结构；对于本发明设计的基坑拆撑与地下室结构,通过设置的支撑主架、支撑杆、活动卡体和连接构件、锁紧结构之间的配合作用,深基坑内支撑普遍选用钢筋混凝土桁架内支撑,基坑开挖完成后,随着地下室结构施工,内支撑逐层进行拆除,通过一种基坑拆撑与地下室结构的施工方法,其同步实施的施工方法保证了基坑稳定性安全和地下室结构施工工期按期完成,提高了施工效率,节约了工程成本,进而提升施工经济效益。(The invention discloses a foundation pit support removing and basement structure which comprises a support main frame, a support rod, a movable clamp body, a connecting component and a locking structure, wherein the support main frame is provided with a support hole; for the foundation pit support removal and basement structure designed by the invention, the deep foundation pit support is generally selected from a reinforced concrete truss inner support through the matching action among the support main frame, the support rods, the movable clamping bodies, the connecting members and the locking structures, after the foundation pit is excavated, the inner support is removed layer by layer along with the construction of the basement structure, and through the construction method of the foundation pit support removal and basement structure, the construction method synchronously implemented ensures the stability and safety of the foundation pit and the construction period of the basement structure is completed on schedule, so that the construction efficiency is improved, the engineering cost is saved, and the construction economic benefit is further improved.)

1. The utility model provides a foundation ditch is torn open and is propped and basement structure which characterized in that: comprises a supporting main frame (1), a supporting rod (2), a movable clamp body (4), a connecting component (10) and a locking structure (11);

the supporting main frame (1) is fixedly connected with supporting rods (2) in an equidistant mode through connecting components (10), the end portion of each supporting rod (2) is provided with a movable groove (3), a movable clamping body (4) is movably arranged in each movable groove (3), fixed clamping grooves (5) are symmetrically arranged in the circumferential direction of each movable clamping body (4), one end of each movable clamping body (4) is integrally formed and provided with a first connecting spring (6), the other end of each first connecting spring (6) is arranged in each movable groove (3), through grooves are symmetrically formed in the side edges of the movable grooves (3) of the supporting rods (2), connecting strips (7) are movably arranged in the through grooves, one ends of the connecting strips (7) are arranged on the movable clamping bodies (4), the other ends of the connecting strips are arranged on the inner side walls of lantern rings (8), and handles (9) are symmetrically arranged on the outer side walls of the lantern rings (8);

the connecting component (10) is locked through a locking structure (11).

2. The foundation pit bracing and basement structure according to claim 1, wherein: the connecting component (10) comprises a fixing column (1001), a connecting slot (1002), a clamping block (1003), a connecting column (1004), an arc extrusion chute (1005), a movable ring (1006) and an auxiliary bump (1007), one end of the fixing column (1001) is welded on the supporting main frame (1), the other end of the fixing column is provided with the connecting slot (1002), the clamping block (1003) is movably and symmetrically arranged in the fixing column (1001), the clamping block (1003) is arranged at the side position of the connecting slot (1002), one end of the clamping block (1003) is integrally and symmetrically provided with the connecting column (1004), the clamping block (1003) is integrally and symmetrically provided with a first return spring at the end connected with the connecting column (1004), the other end of the first return spring is arranged in the fixing column (1001), the other end of the connecting column (1004) is movably arranged in the arc extrusion chute (1005), the arc extrusion chute (1005) is equidistantly arranged in the movable ring (1006), the movable ring (1006) is movably sleeved on the fixing column (1001), auxiliary convex blocks (1007) are arranged on the outer side wall of the movable ring (1006) in an integrally formed equidistant mode, and the movable ring (1006) is locked and fixed through a locking structure (11).

3. The foundation pit bracing and basement structure according to claim 2, wherein: the connecting slot (1002) is corresponding to the movable card body (4) in arrangement position and has the same arrangement number, and the section shape of the end part of the movable card body (4) and the section shape of the notch of the connecting slot (1002) are both square, namely the side lengths of the sections of the movable card body and the notch are equal.

4. The foundation pit bracing and basement structure according to claim 2, wherein: the end part of one end of the connecting column (1004) movably arranged in the arc extrusion chute (1005) is set to be an arc surface.

5. The foundation pit bracing and basement structure according to claim 2, wherein: the locking structure (11) comprises a fixing block (1101), a locking bayonet (1102), a second connecting spring (1103), an extrusion chute (1104), a movable extrusion column (1105), a handle (1106) and a locking circular groove (1107), wherein the fixing block (1101) is fixedly arranged on the fixing column (1001) and arranged at the side position of the movable ring (1006), the fixing block (1101) is movably provided with the locking bayonet (1102), one end of the locking bayonet (1102) is integrally provided with the second connecting spring (1103), the other end of the second connecting spring (1103) is arranged in the fixing block (1101), one side of the locking bayonet (1102) is provided with the extrusion chute (1104), the movable extrusion column (1105) is movably arranged at the side position of the locking bayonet (1102), one side of the movable extrusion column (1105) is integrally provided with a lug, and the lug is integrally provided with a second return spring, the other end of the second return spring is arranged in the fixed block (1101), one end of the movable extrusion column (1105) is welded with a handle (1106), and the locking circular groove (1107) is arranged on one side of the movable ring (1006).

6. The foundation pit bracing and basement structure according to claim 5, wherein: the locking circular groove (1107) corresponds to the locking bayonet (1102) in arrangement position and is equal in arrangement number, and the diameters of the locking circular groove and the locking bayonet are equal.

7. The foundation pit bracing and basement structure according to claim 5, wherein: one end of the movable extrusion column (1105) is arranged at the side position of the extrusion chute (1104), and the end part is arranged to be an arc-shaped surface.

8. A construction method for the foundation pit bracing and basement structure according to any one of claims 1-7, characterized in that the construction method comprises the following steps:

s1: firstly, building according to the actual situation of a foundation pit, connecting a supporting main frame (1) and a supporting rod (2) through a movable clamp body (4) and a connecting component (10), and then locking through a locking structure (11);

s2: completing foundation pit supporting and supporting, completing foundation pit excavation, and excavating the bottom of the foundation pit to the bottom of the basement structure foundation pit to achieve foundation acceptance conditions;

s3: the basement negative three-layer bottom plate support changing structure and the basement structure bottom plate are synchronously implemented;

s4: the implementation of the negative two-layer support changing structure is synchronous with the implementation of the negative three-layer structure of the basement;

s5: removing a second support of the foundation pit, and clearing and transporting the concrete and the steel bars after the support is removed;

s6: the negative layer support replacing structure and the negative two-layer structure of the basement are synchronously implemented;

s7: dismantling a first support of the foundation pit, and clearing and transporting the concrete and the steel bars after the support is dismantled;

s8: and constructing a basement negative layer structure.

Technical Field

The invention relates to the technical field of constructional engineering, in particular to a foundation pit support removing and basement structure and a construction method thereof.

Background

The foundation pit is a space below the ground excavated for constructing a foundation and a basement of a building (including a structure), belongs to temporary engineering, and has the function of providing a space so that the building operation of the foundation can be performed according to a position specified by design.

Demolish and basement structure construction because of the step is unclear to the deep basal pit under the prior art, often have unnecessary process to wait for, basement structure time limit for a project can't guarantee to it is lower to current bearing structure use flexibility, it is comparatively troublesome to build, can not satisfy the demand that multiple condition was under construction simultaneously, reduces construction economic benefits, supports the steadiness and also can not satisfy the in-service use demand, and then has certain influence to the security of construction.

Therefore, the invention provides a foundation pit support removing and basement structure and a construction method thereof, which are used for solving the problems.

Disclosure of Invention

The invention aims to provide a foundation pit support removing and basement structure and a construction method thereof, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a foundation pit support-dismantling and basement structure comprises a support main frame, a support rod, a movable clamp body, a connecting component and a locking structure;

the supporting main frame is fixedly connected with supporting rods at equal intervals through connecting members, the end part of each supporting rod is provided with a movable groove, a movable clamping body is movably arranged in each movable groove, the movable clamping bodies are circumferentially and symmetrically provided with fixed clamping grooves, one end of each movable clamping body is integrally formed with a first connecting spring, the other end of each first connecting spring is arranged in each movable groove, through grooves are symmetrically formed in the side sides of the corresponding movable groove of the supporting rods, connecting strips are movably arranged in the through grooves, one ends of the connecting strips are arranged on the corresponding movable clamping bodies, the other ends of the connecting strips are arranged on the inner side wall of the lantern ring, and the outer side wall of the lantern ring is symmetrically provided with handles;

the connecting component is locked by the arranged locking structure.

Preferably, the connecting component comprises a fixing column, a connecting slot, a clamping block, a connecting column, an arc-shaped extrusion chute, a movable ring and an auxiliary convex block, one end of the fixing column is welded on the supporting main frame, the other end is provided with a connecting slot, clamping blocks are movably and symmetrically arranged in the fixing column, the fixture block is arranged at the side position of the connecting slot, one end of the fixture block is integrally formed and symmetrically provided with connecting columns, and the fixture block is provided with a first return spring in an integrated manner at the end connected with the connecting column, the other end of the first return spring is arranged in the fixed column, the other end of the connecting column is movably arranged in the arc-shaped extrusion chute, the arc extrusion chutes are equidistantly arranged in a movable ring, the movable ring is movably sleeved on the fixed column, and the lateral wall integrated into one piece equidistance of activity ring is provided with supplementary lug, the locking structure through setting up of activity ring is locked fixedly.

Preferably, the connecting slot corresponds to the movable card body in arrangement position and is provided with the same number of groups, and the cross section of the end part of the movable card body and the cross section of the notch of the connecting slot are both square, namely the side lengths of the cross sections of the connecting slot and the movable card body are equal.

Preferably, the end part of one end of the connecting column movably arranged in the arc-shaped extrusion chute is an arc-shaped surface.

Preferably, the locking structure comprises a fixed block, a locking bayonet lock, a second connecting spring, an extrusion chute, a movable extrusion column, a handle and a locking circular groove, the fixed block is fixedly arranged on the fixed column, and is arranged at the side position of the movable ring, a locking bayonet lock is movably arranged in the fixed block, one end of the locking bayonet lock is integrally formed with a second connecting spring, the other end of the second connecting spring is arranged in the fixed block, and one side of the locking bayonet lock is provided with an extrusion chute, the movable extrusion column is movably arranged at the side position of the locking bayonet lock, one side of the movable extrusion column is integrally provided with a lug, a second return spring is integrally arranged on the lug, the other end of the second return spring is arranged in the fixed block, and one end of the movable extrusion column is welded with a handle, and the locking circular groove is arranged on one side of the movable ring.

Preferably, the locking circular groove corresponds to the locking bayonet in arrangement position, the number of the locking circular groove and the number of the locking bayonet are the same, and the diameters of the locking circular groove and the locking bayonet are equal.

Preferably, one end of the movable extrusion column is arranged at the side position of the extrusion chute, and the end part of the movable extrusion column is arranged to be an arc-shaped surface.

A construction method for a foundation pit support removal and basement structure is characterized by comprising the following steps:

s1: firstly, building according to the actual situation of a foundation pit, connecting a support main frame and a support rod through a movable clamp body and a connecting member, and then locking through a locking structure;

s2: completing foundation pit supporting and supporting, completing foundation pit excavation, and excavating the bottom of the foundation pit to the bottom of the basement structure foundation pit to achieve foundation acceptance conditions;

s3: the basement negative three-layer bottom plate support changing structure and the basement structure bottom plate are synchronously implemented;

s4: the implementation of the negative two-layer support changing structure is synchronous with the implementation of the negative three-layer structure of the basement;

s5: removing a second support of the foundation pit, and clearing and transporting the concrete and the steel bars after the support is removed;

s6: the negative layer support replacing structure and the negative two-layer structure of the basement are synchronously implemented;

s7: dismantling a first support of the foundation pit, and clearing and transporting the concrete and the steel bars after the support is dismantled;

s8: and constructing a basement negative layer structure.

Compared with the prior art, the invention has the beneficial effects that:

for the foundation pit support removal and basement structure designed by the invention, the deep foundation pit support is generally selected from a reinforced concrete truss inner support through the matching action among the support main frame, the support rod, the movable clamping body, the connecting member and the locking structure, after the foundation pit excavation is finished, the inner support is removed layer by layer along with the basement structure construction, and the construction method synchronously implemented ensures the stability and safety of the foundation pit and the construction period of the basement structure is finished on schedule, improves the construction efficiency, saves the engineering cost and further improves the construction economic benefit.

Drawings

FIG. 1 is a right side schematic view of a structural connection according to the present invention;

FIG. 2 is an enlarged partial view of the structural joint of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the left side of the structural connection of the present invention;

FIG. 4 is a front side view of the structural attachment of the connecting member of the present invention;

FIG. 5 is an enlarged partial view of the structural joint of FIG. 4 according to the present invention;

FIG. 6 is a rear side view of the structural attachment of the connecting member of the present invention;

FIG. 7 is an enlarged view of the locking structure of FIG. 6 according to the present invention.

In the figure: the main support frame 1, the support rod 2, the movable groove 3, the movable clamp body 4, the fixed clamping groove 5, the first connecting spring 6, the connecting strip 7, the lantern ring 8, the handle 9, the connecting component 10, the fixed column 1001, the connecting slot 1002, the clamping block 1003, the connecting column 1004, the arc extrusion chute 1005, the movable ring 1006, the auxiliary bump 1007, the locking structure 11, the fixed block 1101, the locking clamping pin 1102, the second connecting spring 1103, the extrusion chute 1104, the movable extrusion column 1105, the handle 1106 and the locking circular groove 1107 are supported.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the invention relates to a foundation pit support-dismantling and basement structure, which comprises a support main frame 1, a support rod 2, a movable clamp body 4, a connecting component 10 and a locking structure 11;

the support main frame 1 is fixedly connected with support rods 2 at equal intervals through connecting members 10, the end parts of the support rods 2 are provided with movable grooves 3, movable clamping bodies 4 are movably arranged in the movable grooves 3, fixed clamping grooves 5 are symmetrically arranged in the circumferential direction of the movable clamping bodies 4, one ends of the movable clamping bodies 4 are integrally formed with first connecting springs 6, the other ends of the first connecting springs 6 are arranged in the movable grooves 3, through grooves are symmetrically formed in the side edges of the movable grooves 3 of the support rods 2, connecting strips 7 are movably arranged in the through grooves, one ends of the connecting strips 7 are arranged on the movable clamping bodies 4, the other ends of the connecting strips are arranged on the inner side walls of lantern rings 8, and handles 9 are symmetrically arranged on the outer side walls of the lantern rings 8;

the connecting member 10 is locked by means of a locking structure 11 provided.

The connecting component 10 comprises a fixed column 1001, a connecting slot 1002, a fixture block 1003, a connecting column 1004, an arc extrusion chute 1005, a movable ring 1006 and an auxiliary bump 1007, wherein one end of the fixed column 1001 is welded on the supporting main frame 1, the other end of the fixed column is provided with the connecting slot 1002, the connecting slot 1002 corresponds to the movable clamp body 4 in arrangement position and is provided with the same number of groups, the cross section shape of the end part of the movable clamp body 4 and the cross section shape of the notch of the connecting slot 1002 are both square, namely the side length of the cross sections of the fixed column and the movable clamp body are equal, the fixture block 1003 is movably and symmetrically arranged in the fixed column, the fixture block 1003 is arranged at the side position of the connecting slot 1002, one end of the fixture block 1003 is integrally and symmetrically provided with the connecting column 1004, the end part of the connecting column 1005 movably arranged in the arc extrusion chute is provided with an arc surface, and the fixture 1003 is integrally provided with a first return spring at the end connected with the connecting column 1004, the setting of first reset spring other end is in fixed column 1001, and the other end activity of spliced pole 1004 sets up in arc extrusion chute 1005, and arc extrusion chute 1005 equidistance sets up in activity ring 1006, and activity ring 1006 activity cup joints the setting on fixed column 1001 to the lateral wall integrated into one piece equidistance of activity ring 1006 is provided with supplementary lug 1007, and it is fixed that locking structure 11 through setting up is locked to activity ring 1006.

The locking structure 11 comprises a fixed block 1101, a locking bayonet 1102, a second connecting spring 1103, an extrusion chute 1104, a movable extrusion column 1105, a handle 1106 and a locking circular groove 1107, wherein the fixed block 1101 is fixedly arranged on the fixed block 1001 and is arranged at the side position of the movable ring 1006, the fixed block 1101 is movably provided with the locking bayonet 1102, one end of the locking bayonet 1102 is integrally provided with the second connecting spring 1103, the other end of the second connecting spring 1103 is arranged in the fixed block 1101, one side of the locking bayonet 1102 is provided with the extrusion chute 1104, the movable extrusion column 1105 is movably arranged at the side position of the locking bayonet 1102, one side of the movable extrusion column 1105 is integrally provided with a lug on which a second return spring is integrally formed, the other end of the second return spring is arranged in the fixed block 1101, one end of the movable extrusion column 1105 is welded with the handle 1106, one end of the movable extrusion column 1105 is arranged at the side position of the extrusion chute 1104, and the end is set as an arc surface, the locking circular groove 1107 is set at one side of the movable ring 1006, here, the locking circular groove 1107 is set at a position corresponding to that of the locking bayonet 1102, and the set number is the same, and the diameters of the two are set to be equal.

The actual operation process is as follows:

firstly, building according to the actual situation of a foundation pit, connecting a support main frame 1 and a support rod 2 through a movable clamp body 4 and a connecting component 10, and then locking through a locking structure 11; the process is specifically operated in that the support rod 2 is installed and connected on the support main frame 1, one end of the support rod 2 is aligned with the fixed column 1001 on the support main frame 1, then the handle 9 is pushed, the movable clamp body 4 is clamped into the connecting slot 1002 on the fixed column 1001, the fixed clamping slot 5 on the movable clamp body 4 reaches the position of the clamping block 1003, then the movable ring 1006 is rotated, the arc-shaped extrusion chute 1005 in the movable ring 1006 extrudes the connecting column 1004, the connecting column 1004 pushes the clamping block 1003 again, the clamping block 1003 is clamped into the fixed clamping slot 5 on the movable clamp body 4, meanwhile, the locking circular groove 1107 arranged on one side of the movable ring 1006 reaches the position of the locking clamping pin 1102 in the fixed block 1101, the locking clamping pin 1102 is clamped into the locking circular groove 1107 under the action of the second connecting spring 1103, so that the position of the movable ring 1006 is locked, and the connection and fixation of the support rod 1 and the support rod 2 can be completed quickly, easy operation, high durability and convenient use, and be provided with a plurality of fixed column 1001 through equidistance on supporting body frame 1, and then can adjust bracing piece 2 according to actual construction demand, and then satisfy the construction demand, when dismantling the work to adjustment bracing piece 2, directly press handle 1106, make activity extrusion post 1105 enter into the extrusion chute 1104 on the locking bayonet 1102, and then extrude locking bayonet 1102, make locking bayonet 1102 separate from locking circular slot 1107, the locking to activity ring 1006 is relieved, later the counter rotation activity ring 1006, make fixture block 1003 come out from fixed slot 5 on the activity card body 4, meanwhile, activity card body 4 retracts into bracing piece 2 under first connecting spring 6 effect, can accomplish fast to its work of dismantling, flexible use.

Completing foundation pit supporting and supporting, completing foundation pit excavation, and excavating the bottom of the foundation pit to the bottom of the basement structure foundation pit to achieve foundation acceptance conditions; the basement negative three-layer bottom plate support changing structure and the basement structure bottom plate are synchronously implemented; the implementation of the negative two-layer support changing structure is synchronous with the implementation of the negative three-layer structure of the basement; removing a second support of the foundation pit, and clearing and transporting the concrete and the steel bars after the support is removed; the negative layer support replacing structure and the negative two-layer structure of the basement are synchronously implemented; dismantling a first support of the foundation pit, and clearing and transporting the concrete and the steel bars after the support is dismantled; and constructing a basement negative layer structure.

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.