CN-122014021-A - Construction device for building underground space under existing independent foundation

CN122014021ACN 122014021 ACN122014021 ACN 122014021ACN-122014021-A

Abstract

The invention provides a construction device for building a basement space under an existing independent foundation, which relates to the technical field of the basement space widen and comprises a supporting mechanism arranged on the ground of the basement, wherein a supporting plate is arranged in the supporting mechanism and is supported on a wall body of the basement, the supporting mechanism comprises a fixed box body, a lifting conveying assembly, a function switching assembly and a splicing assembly, the fixed box body is arranged on the inner wall of the basement, and a plurality of procedures of taking, placing, transporting, aligning and connecting the supporting plate are integrated in one device to be continuously completed through the arrangement of the integrated lifting conveying assembly, the function switching assembly and the splicing assembly, so that the links of manual lifting, conveying, positioning and fastening are greatly reduced in the traditional construction, the construction speed of supporting the wall body is greatly increased, the whole construction period is shortened, the whole process automation and integration of the installation of the supporting plate are realized, and the construction efficiency is remarkably improved.

Inventors

ZHANG TILANG
ZHANG ZHONGSHAN
JIAO ANLIANG
GAO YUFEN
CHEN LU
LI JIANAN
XU HONGJIE

Assignees

中国建筑第七工程局有限公司
阳光学院

Dates

Publication Date: 20260512
Application Date: 20260408

Claims (10)

1. The construction device for building the underground space under the existing independent foundation is characterized by comprising a supporting mechanism arranged on the ground of a basement, wherein a supporting plate (1) is arranged in the supporting mechanism, and the supporting plate (1) is supported on a wall body of the basement; The supporting mechanism comprises a fixed box body (2), a lifting carrying assembly, a function switching assembly and a splicing assembly, wherein the fixed box body (2) is arranged on the inner wall of the basement; The lifting conveying assembly comprises a lifting frame (4), a driving assembly (5), a clamping assembly and two lifting plates (7), wherein a guide groove is formed in the fixed box body (2), the lifting frame (4) slides in the guide groove in a guiding manner, the driving assembly (5) is installed in the fixed box body (2), the output end of the driving assembly (5) is in transmission connection with the lifting frame (4), the lifting plates (7) slide in the lifting frame (4) in a guiding manner, and the clamping assembly is installed on the lifting plates (7); the function switching component is fixedly connected with the lifting frame (4); The splicing assembly is installed in a fixed box body (2), a slot (8) is formed in the upper end of a support plate (1), a plugboard (9) is fixed at the lower end of the support plate (1), one of the plugboards (9) of the support plate (1) is inserted in the slot (8) of the support plate (1) adjacent to the plugboard and located at the lower side of the plugboard, a locking limit groove (10) is formed in the slot (8), a perforation (11) is formed in the plugboard (9), a plurality of detachable clamping blocks (12) are arranged in the splicing assembly, and the clamping blocks (12) penetrate through the locking limit groove (10) and are matched with the perforation (11) in a clamping mode, so that two support plates (1) adjacent to each other vertically are fixedly connected relatively.
2. Construction equipment for the pre-existing foundation-based construction of underground space according to claim 1, characterized in that the lifting frame (4) comprises two moving side plates (401), two first screw rods (402) extending in up-down direction and two lifting blocks (403); the movable side plates (401) slide in the guide grooves in a guiding way, each lifting plate (7) slides in the corresponding movable side plate (401), opposite sides of the two lifting plates (7) are fixedly connected with lifting blocks (403), and the lifting blocks (403) are sleeved on the first lead screw (402) in a threaded way; The upper end of the fixed box body (2) is provided with a strip-shaped hole (13), a sliding block (14) is guided and slid in the strip-shaped hole (13), and the lower end of the first screw rod (402) rotates to penetrate through the sliding block (14) and is in transmission connection with the driving assembly (5).
3. Construction equipment for the extension of an underground space under an existing foundation according to claim 2, characterized in that the driving assembly (5) comprises a moving frame (501), two first bevel gear sets (502), a first motor (503), a spline loop bar (504) and a second bevel gear set (505); The first motor (503) is fixed on the inner bottom wall of the fixed box body (2), an output shaft of the first motor (503) is fixedly connected with the spline sleeve rod (504), one end of the spline sleeve rod (504) far away from the first motor (503) is connected with a rotating shaft (15) through a second bevel gear set (505) in a transmission manner, the rotating shaft (15) rotates on the movable frame (501), two first bevel gear sets (502) are connected on the rotating shaft (15) in a transmission manner, and two first lead screws (402) are connected with the first bevel gear sets (502) in a transmission manner; the inner bottom wall of the fixed box body (2) is provided with a guide rail groove for guiding the movable frame (501) to move.
4. A construction apparatus for constructing an underground space under an existing independent foundation according to claim 3, wherein the function switching assembly comprises two first telescopic rods (16) and a placement frame (18), the first telescopic rods (16) are fixed at the upper end of the fixed box body (2), and the movable section ends of the first telescopic rods (16) are fixedly connected with the movable side plates (401); The placement frame (18) is fixed at the top of the fixed box body (2), and the support plates (1) are placed on the placement frame (18).
5. Construction equipment for the construction of an existing foundation under which an underground space is built according to claim 4, wherein the placement frame (18) comprises a placement frame (1801) and a placement groove (1802), the placement frame (1801) is fixed on the top of the fixed box (2), the placement groove (1802) is arranged on the placement frame (1801), and the support plate (1) is placed in the placement groove (1802).
6. Construction equipment for the construction of an underground space under an existing independent foundation according to any of claims 1-5, characterized in that a connecting plate (17) is fixed between two of the lifting plates (7), the clamping assembly being mounted on the connecting plate (17).
7. The construction equipment for constructing an underground space under an existing independent foundation according to claim 6, wherein the clamping assembly comprises a second motor (601), a base frame (602), two bidirectional screws (603), two groups of connecting rod groups (604) and two clamping plates (605); The second motor (601) is fixed on the connecting plate (17), the base frame (602) is fixed on the connecting plate (17), two bidirectional screw rods (603) rotate on the base frame (602), the second motor (601) is in transmission connection with the two bidirectional screw rods (603), each bidirectional screw rod (603) is in threaded connection with two thread blocks (19), each clamping plate (605) is hinged with a corresponding connecting rod group (604), and the connecting rod groups (604) are hinged with the thread blocks (19).
8. The construction device for building an underground space under an existing independent foundation according to claim 7, wherein two main chain wheels (20) are fixed on an output shaft of the second motor (601), one end of each bidirectional screw (603) is fixedly provided with an auxiliary chain wheel (21), and the main chain wheels (20) are connected with the auxiliary chain wheels (21) through chain transmission.
9. Construction equipment for the extension of underground space under existing independent foundations according to claim 1, characterized in that, the concatenation subassembly includes spacing component (3) and pushing component (22), spacing component (3) direction slides on fixed box (2) inner bottom wall, joint piece (12) set up in spacing component (3), pushing component (22) install on spacing component (3), and pushing component (22) and joint piece (12) threaded connection.
10. The construction device for building an underground space under the existing independent foundation according to claim 9, wherein the limiting member (3) comprises a sliding frame (301) and a second telescopic rod (302), the second telescopic rod (302) is fixed on the inner bottom wall of the fixed box body (2), the movable section end part of the second telescopic rod (302) is fixedly connected with the sliding frame (301), a sliding groove for guiding and sliding the sliding frame (301) is formed in the fixed box body (2), and the clamping block (12) is guided and slid in the sliding frame (301); The pushing component (22) comprises a third motor (2201) and a second screw (2202), the third motor (2201) is fixed on the sliding frame (301), an output shaft of the third motor (2201) is fixedly connected with the second screw (2202), and the second screw (2202) is in threaded connection with the plurality of clamping blocks (12).

Description

Construction device for building underground space under existing independent foundation Technical Field The invention relates to the technical field of underground space development, in particular to a construction device for developing an underground space under an existing independent foundation. Background A foundation of a building (e.g., office building, residential building) that is already built and in use. The foundation is usually an independent concrete pier or raft, directly supports the upper column or bearing wall, and excavates and creates basement, parking lot, equipment layer and other underground spaces below or on the side of the independent foundation without dismantling the upper building and affecting the safe use of the upper building. The invention discloses a construction device for expanding an underground space under an existing independent foundation, which belongs to the field of underground space expansion and comprises a pile body, and is characterized in that the pile body is of a hollow structure, a plurality of filtering holes are arranged on the side surface of the pile body, the filtering holes are axially distributed along the pile body, a drill bit is arranged at the bottom of the pile body, the construction device further comprises a frame body arranged on the foundation, a lifting device and a driving device are arranged on the frame body, the output end of the lifting device is rotatably connected with a limiting plate, the limiting plate is sleeved on the pile body and is connected with the pile body, and the driving device is connected with the limiting plate and used for driving the limiting plate to rotate. Although the problems of fracture of the static pressure pile can be solved, the problems of complicated working procedures, high labor intensity, long time consumption, positioning deviation, uneven splicing, poor connection tightness and the like easily occur when the support plate is manually installed, the overall rigidity, flatness and tightness of the support wall are affected, and thus the safety of a foundation pit can be endangered in the traditional construction. Disclosure of Invention The invention aims to provide a construction device for expanding an underground space under an existing independent foundation, and aims to solve the problems of low construction efficiency, high safety risk and difficult control of installation quality of a support plate in the prior art. The construction device for building the underground space under the existing independent foundation comprises a supporting mechanism arranged on the ground of the basement, wherein a supporting plate is arranged in the supporting mechanism and is supported on the wall body of the basement; the supporting mechanism comprises a fixed box body, a lifting carrying assembly, a function switching assembly and a splicing assembly, wherein the fixed box body is arranged on the inner wall of the basement; The lifting conveying assembly comprises a lifting frame, a driving assembly, a clamping assembly and two lifting plates, wherein a guide groove is formed in the fixed box body, the lifting frame slides in the guide groove in a guiding manner, the driving assembly is arranged in the fixed box body, the output end of the driving assembly is in transmission connection with the lifting frame, the lifting plates slide in the lifting frame in a guiding manner, and the clamping assembly is arranged on the lifting plates; The function switching component is fixedly connected with the lifting frame; The splice assembly is installed in fixed box, the slot has been seted up to the upper end of backplate, the lower extreme of backplate is fixed with the picture peg, one of them the picture peg direction of backplate is inserted and is established rather than adjacent and be located in the slot of backplate of its downside, the locking spacing groove has been seted up on the slot, the perforation has been seted up on the picture peg, be provided with a plurality of detachable joint piece in the splice assembly, the joint piece passes locking spacing groove and perforation joint adaptation, makes upper and lower adjacent two backplate relative fixed connection. Preferably, the lifting frame comprises two movable side plates, two first lead screws extending in the up-down direction and two lifting blocks; the movable side plates slide in the guide grooves in a guiding way, each lifting plate slides in the corresponding movable side plate in a guiding way, opposite sides of the two lifting plates are fixedly connected with lifting blocks, and the lifting blocks are sleeved on the first lead screw in a threaded way; The upper end of the fixed box body is provided with a strip-shaped hole, a sliding block is guided and slid in the strip-shaped hole, and the lower end of the first screw rod rotates to penetrate through the sliding block and is in transmission connection with the driving assembly. Preferabl