Supporting structure for excavation of foundation pit in subway construction

Abstract

The utility model discloses a foundation pit excavation supporting structure for subway construction, relates to the field of subway construction equipment, and solves the problems that a traditional foundation pit excavation supporting structure for subway construction is supported by a simple supporting rod, the supporting height cannot be adjusted, more time and manpower are consumed during assembly, and the supporting structure is also disassembled. The device is technically characterized by comprising a pair of supporting bases; the fixing structure is installed on the pair of supporting bases, and the fixing structure is used for fixing; the supporting structure is mounted on the pair of supporting bases, and the supporting structure is used for supporting; and the protection supporting structure is installed on the supporting structure, and the protection supporting structure is used for protection supporting. Personal safety of constructors is guaranteed, the structure is relatively simple, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to subway construction equipment technical field, especially a subway construction foundation pit excavation support structure. BACKGROUND

[0002] The subway runs on the fully closed line, including the underground and ground (elevated railway or road surface laying), and the line in the central city is basically set in the underground tunnel. The basic type of subway network has single line type, single loop type, multi-line type and spider web type. Each subway line is composed of interval tunnel (ground line or elevated line on the ground), station and auxiliary building. The subway vehicle generally adopts dynamic and drag combination and fixed marshalling in operation to form the electric train set.

[0003] The traditional subway construction foundation pit excavation support structure is supported by simple support rods, the support height cannot be adjusted, and a lot of time and manpower are consumed during assembly, and the same is true during disassembly, therefore, it is very necessary to design a subway construction foundation pit excavation support structure to solve the technical problem. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem that the traditional subway construction foundation pit excavation support structure in the prior art is supported by simple support rods, the support height cannot be adjusted, and a lot of time and manpower are consumed during assembly, and the same is true during disassembly, and provides a subway construction foundation pit excavation support structure.

[0005] In order to solve the above technical problem, the technical scheme of the utility model is as follows:

[0006] A subway construction foundation pit excavation support structure comprises:

[0007] A pair of support bases;

[0008] A fixing structure is installed on the pair of support bases, and the fixing structure is used for fixing;

[0009] A support structure is installed on the pair of support bases, and the support structure is used for supporting;

[0010] A protection support structure is installed on the support structure, and the protection support structure is used for protection support;

[0011] An inclined support structure is installed on the protection support structure, and the inclined support structure is used for supporting;

[0012] A first support structure is installed on the protection support structure, and the first support structure is used for supporting;

[0013] a second support structure mounted on the first support structure and configured to support;

[0014] a third support structure mounted on the second support structure and configured to support.

[0015] Preferably, the fixing structure comprises four pairs of fixing housings and four pairs of conical fixing rods.

[0016] Each two pairs of the fixing housings are mounted on corresponding support bases, and each of the conical fixing rods is mounted on a corresponding fixing housing.

[0017] Preferably, the support structure comprises a pair of vertical support frames.

[0018] Each of the vertical support frames is mounted on a corresponding support base.

[0019] Preferably, the protective support structure comprises a protective support housing and two pairs of first inclined support rods.

[0020] The protective support housing is mounted on the upper surfaces of the pair of vertical support frames, the two pairs of first inclined support rods are mounted on the lower surfaces of the protective support housing, and the other ends of each pair of the first inclined support rods are connected to the corresponding vertical support frames.

[0021] Preferably, the inclined support structure comprises two pairs of second inclined support rods and two pairs of support seats.

[0022] Each pair of the second inclined support rods is mounted on a corresponding vertical support frame, and each of the support seats is mounted on a corresponding second inclined support rod.

[0023] Preferably, the first support structure comprises two pairs of first support bases, two pairs of first fixed support frames, two pairs of first electrically controlled adjustment rods, a first support fixing plate, two pairs of second electrically controlled adjustment rods, and a pair of first support plates.

[0024] The two pairs of first support bases are mounted on the upper surfaces of the protective support housing, each of the first fixed support frames is mounted on a corresponding first support base, each of the first electrically controlled adjustment rods is mounted on a corresponding first fixed support frame, the first support fixing plate is mounted on the telescopic ends of the two pairs of first electrically controlled adjustment rods, the two pairs of second electrically controlled adjustment rods are mounted on the side surfaces of the first support fixing plate, and each of the first support plates is mounted on the telescopic ends of a corresponding pair of the second electrically controlled adjustment rods.

[0025] Preferably, the second support structure comprises two pairs of second support bases, two pairs of second fixed support frames, two pairs of third electric control adjusting rods, a second support fixed plate, two pairs of fourth electric control adjusting rods and a pair of second support plates.

[0026] The two pairs of second support bases are installed on the upper surface of the first support fixed plate, each second fixed support frame is installed on the corresponding second support base, each third electric control adjusting rod is installed on the corresponding second fixed support frame, the second support fixed plate is installed on the telescopic ends of the two pairs of third electric control adjusting rods, the two pairs of fourth electric control adjusting rods are installed on the side surfaces of the second support fixed plate, and each second support plate is installed on the telescopic ends of the corresponding pair of fourth electric control adjusting rods.

[0027] Preferably, the third support structure comprises two pairs of third support bases, two pairs of third fixed support frames, two pairs of fifth electric control adjusting rods, a third support fixed plate, two pairs of sixth electric control adjusting rods and a pair of third support plates.

[0028] The two pairs of third support bases are installed on the upper surface of the second support fixed plate, each third fixed support frame is installed on the corresponding third support base, each fifth electric control adjusting rod is installed on the corresponding third fixed support frame, the third support fixed plate is installed on the telescopic ends of the two pairs of fifth electric control adjusting rods, the two pairs of sixth electric control adjusting rods are installed on the side surfaces of the third support fixed plate, and each third support plate is installed on the telescopic ends of the corresponding pair of sixth electric control adjusting rods.

[0029] Preferably, one of the support bases is provided with a controller, and the other support base is provided with a power supply interface.

[0030] The utility model has the following beneficial effects:

[0031] The subway construction foundation pit excavation support structure can better support during subway construction foundation pit excavation, is very convenient, reduces unnecessary trouble, is convenient to install, has larger application range, reduces consumption of manpower, reduces consumption of time, guarantees personal safety of construction personnel, and the structure is relatively simple and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0032] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0033] Figure 1 It is a structural schematic view of a subway construction foundation pit excavation support structure of the utility model;

[0034] Figure 2 It is a front view structural drawing of a subway construction foundation pit excavation support structure of the utility model;

[0035] Figure 3 It is a plan view of the subway construction foundation pit excavation support structure of the utility model.

[0036] Figure 4 It is a side view of the subway construction foundation pit excavation support structure of the utility model.

[0037] The reference signs in the drawings are represented as:

[0038] Support base 10, fixed structure 20, support structure 30, protection support structure 40, inclined support structure 50, first support structure 60, second support structure 70, third support structure 80, controller 90, mains interface 100;

[0039] Fixed shell 21, conical fixed rod 22;

[0040] Vertical support frame 31;

[0041] Protection support shell 41, first inclined support rod 42;

[0042] Second inclined support rod 51, support seat 52;

[0043] First support base 61, first fixed support frame 62, first electric control adjusting rod 63, first support fixed plate 64, second electric control adjusting rod 65, first support plate 66;

[0044] Second support base 71, second fixed support frame 72, third electric control adjusting rod 73, second support fixed plate 74, fourth electric control adjusting rod 75, second support plate 76;

[0045] Third support base 81, third fixed support frame 82, fifth electric control adjusting rod 83, third support fixed plate 84, sixth electric control adjusting rod 85, third support plate 86. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0047] Please refer to Figures 1-4A subway construction foundation pit excavation support structure, comprising: a pair of support bases 10, a fixed structure 20 installed on the pair of support bases 10 and used for fixing, a support structure 30 installed on the pair of support bases 10 and used for supporting, a protective support structure 40 installed on the support structure 30 and used for protective support, an inclined support structure 50 installed on the protective support structure 40 and used for supporting, a first support structure 60 installed on the protective support structure 40 and used for supporting, a second support structure 70 installed on the first support structure 60 and used for supporting, and a third support structure 80 installed on the second support structure 70 and used for supporting.

[0048] The fixed structure 20 comprises four pairs of fixed housings 21 and four pairs of tapered fixed rods 22, each pair of fixed housings 21 is installed on a corresponding support base 10, and each tapered fixed rod 22 is installed on a corresponding fixed housing 21.

[0049] The support structure 30 comprises a pair of vertical support frames 31, each vertical support frame 31 is installed on a corresponding support base 10.

[0050] The protective support structure 40 comprises a protective support housing 41 and two pairs of first inclined support rods 42, the protective support housing 41 is installed on the upper surface of the pair of vertical support frames 31, the two pairs of first inclined support rods 42 are installed on the lower surface of the protective support housing 41, and the other end of each pair of first inclined support rods 42 is connected with a corresponding vertical support frame 31.

[0051] The inclined support structure 50 comprises two pairs of second inclined support rods 51 and two pairs of support seats 52, each pair of second inclined support rods 51 is installed on a corresponding vertical support frame 31, and each support seat 52 is installed on a corresponding second inclined support rod 51.

[0052] The first support structure 60 comprises two pairs of first support bases 61, two pairs of first fixed support frames 62, two pairs of first electric control adjusting rods 63, a first support fixed plate 64, two pairs of second electric control adjusting rods 65 and a pair of first support plates 66. The two pairs of first support bases 61 are installed on the upper surface of the protective support shell 41. Each first fixed support frame 62 is installed on the corresponding first support base 61. Each first electric control adjusting rod 63 is installed on the corresponding first fixed support frame 62. The first support fixed plate 64 is installed on the telescopic ends of the two pairs of first electric control adjusting rods 63. The two pairs of second electric control adjusting rods 65 are installed on the side surfaces of the first support fixed plate 64. Each first support plate 66 is installed on the telescopic end of the corresponding pair of second electric control adjusting rods 65.

[0053] The second support structure 70 comprises two pairs of second support bases 71, two pairs of second fixed support frames 72, two pairs of third electric control adjusting rods 73, a second support fixed plate 74, two pairs of fourth electric control adjusting rods 75 and a pair of second support plates 76. The two pairs of second support bases 71 are installed on the upper surface of the first support fixed plate 64. Each second fixed support frame 72 is installed on the corresponding second support base 71. Each third electric control adjusting rod 73 is installed on the corresponding second fixed support frame 72. The second support fixed plate 74 is installed on the telescopic ends of the two pairs of third electric control adjusting rods 73. The two pairs of fourth electric control adjusting rods 75 are installed on the side surfaces of the second support fixed plate 74. Each second support plate 76 is installed on the telescopic end of the corresponding pair of fourth electric control adjusting rods 75.

[0054] The third support structure 80 comprises two pairs of third support bases 81, two pairs of third fixed support frames 82, two pairs of fifth electric control adjusting rods 83, a third support fixed plate 84, two pairs of sixth electric control adjusting rods 85 and a pair of third support plates 86. The two pairs of third support bases 81 are installed on the upper surface of the second support fixed plate 74. Each third fixed support frame 82 is installed on the corresponding third support base 81. Each fifth electric control adjusting rod 83 is installed on the corresponding third fixed support frame 82. The third support fixed plate 84 is installed on the telescopic ends of the two pairs of fifth electric control adjusting rods 83. The two pairs of sixth electric control adjusting rods 85 are installed on the side surfaces of the third support fixed plate 84. Each third support plate 86 is installed on the telescopic end of the corresponding pair of sixth electric control adjusting rods 85.

[0055] One of the support bases 10 is provided with a controller 90, and the other support base 10 is provided with a power interface 100.

[0056] Working principle:

[0057] The fixing structure 20 on the support base 10 is used for fixing, the support structure 30 on the support base 10 is used for supporting, the protection support structure 40 on the support structure 30 is used for protection support, the inclined support structure 50 on the protection support structure 40 is used for supporting, the first support structure 60 on the protection support structure 40 is used for supporting, the second support structure 70 on the first support structure 60 is used for supporting, the third support structure 80 on the second support structure 70 is used for supporting, first, the subway construction foundation pit excavation support structure is moved to a suitable position, then fixed through the fixed shell 21 and the conical fixed rod 22, supported through the vertical support frame 31, the strip-shaped support plate 41, the protection support shell 41 and the first inclined support rod 42, prevented from tilting through the second inclined support rod 51 and the support seat 52, then connected to the power supply through the power supply interface 100 on the support base 10, the controller 90 on the support base 10 is turned on, the position of the first support plate 66, the second support plate 76 and the third support plate 86 is adjusted through the first electric control adjusting rod 63, the second electric control adjusting rod 65, the third electric control adjusting rod 73, the fourth electric control adjusting rod 75, the fifth electric control adjusting rod 83 and the sixth electric control adjusting rod 85 controlled by the controller 90 on the support base 10, so as to support.

[0058] Obviously, the above embodiments are only examples for clearly illustrating, but not limitation to the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and can not be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A subway construction foundation pit excavation support structure, characterized by, The utility model relates to a kind of fixed support structure and support structure, including: A pair of support base (10); Fixed structure (20), the fixed structure (20) is installed on a pair of the support base (10), and the fixed structure (20) is used to fix; Support structure (30), the support structure (30) is installed on a pair of the support base (10), and the support structure (30) is used to support; Guard support structure (40), the guard support structure (40) is installed on support structure (30), and the guard support structure (40) is used to guard support; Inclined support structure (50), the inclined support structure (50) is installed on guard support structure (40), and the inclined support structure (50) is used to support; First support structure (60), the first support structure (60) is installed on guard support structure (40), and the first support structure (60) is used to support; Second support structure (70), the second support structure (70) is installed on first support structure (60), and the second support structure (70) is used to support; Third support structure (80), the third support structure (80) is installed on second support structure (70), and the third support structure (80) is used to support.

2. The underground construction foundation pit excavation support structure according to claim 1, characterized in that, The fixed structure (20) includes: four pairs of fixed housings (21) and four pairs of tapered fixed rods (22); Every two pairs of the fixed housings (21) are installed on corresponding support base (10), and every tapered fixed rod (22) is installed on corresponding fixed housing (21).

3. The underground construction foundation pit excavation support structure according to claim 1, characterized in that, The support structure (30) includes: a pair of vertical support frames (31); Every vertical support frame (31) is installed on corresponding support base (10).

4. The underground construction foundation pit excavation support structure according to claim 3, characterized in that, The guard support structure (40) includes: guard support housing (41) and two pairs of first inclined support rods (42); The guard support housing (41) is installed on the upper surface of a pair of the vertical support frames (31), two pairs of the first inclined support rods (42) are installed on the lower surface of guard support housing (41), and the other end of every pair of the first inclined support rods (42) is connected with corresponding vertical support frame (31).

5. The underground construction excavation support structure according to claim 3, wherein The inclined support structure (50) includes: two pairs of second inclined support rods (51) and two pairs of support seats (52); Every pair of the second inclined support rods (51) is installed on corresponding vertical support frame (31), and every support seat (52) is installed on corresponding second inclined support rod (51).

6. The underground construction excavation bracing structure according to claim 4, wherein The first support structure (60) includes: two pairs of first support bases (61), two pairs of first fixed support frames (62), two pairs of first electric control adjusting rods (63), first support fixed plate (64), two pairs of second electric control adjusting rods (65) and a pair of first support plates (66); Two pairs of the first support bases (61) are installed on the upper surface of the protective support shell (41), each of the first fixed support frames (62) is installed on the corresponding first support base (61), each of the first electric control adjusting rods (63) is installed on the corresponding first fixed support frame (62), the first support fixed plate (64) is installed on the telescopic ends of the two pairs of first electric control adjusting rods (63), two pairs of the second electric control adjusting rods (65) are installed on the side surface of the first support fixed plate (64), and each of the first support plates (66) is installed on the telescopic ends of the corresponding pair of second electric control adjusting rods (65).

7. The underground construction excavation support structure according to claim 6, wherein The second support structure (70) comprises two pairs of second support bases (71), two pairs of second fixed support frames (72), two pairs of third electric control adjusting rods (73), a second support fixed plate (74), two pairs of fourth electric control adjusting rods (75), and a pair of second support plates (76). Two pairs of the second support bases (71) are installed on the upper surface of the first support fixed plate (64), each of the second fixed support frames (72) is installed on the corresponding second support base (71), each of the third electric control adjusting rods (73) is installed on the corresponding second fixed support frame (72), the second support fixed plate (74) is installed on the telescopic ends of the two pairs of third electric control adjusting rods (73), two pairs of the fourth electric control adjusting rods (75) are installed on the side surface of the second support fixed plate (74), and each of the second support plates (76) is installed on the telescopic ends of the corresponding pair of fourth electric control adjusting rods (75).

8. The underground construction excavation support structure according to claim 7, wherein The third support structure (80) comprises two pairs of third support bases (81), two pairs of third fixed support frames (82), two pairs of fifth electric control adjusting rods (83), a third support fixed plate (84), two pairs of sixth electric control adjusting rods (85), and a pair of third support plates (86). Two pairs of the third support bases (81) are installed on the upper surface of the second support fixed plate (74), each of the third fixed support frames (82) is installed on the corresponding third support base (81), each of the fifth electric control adjusting rods (83) is installed on the corresponding third fixed support frame (82), the third support fixed plate (84) is installed on the telescopic ends of the two pairs of fifth electric control adjusting rods (83), two pairs of the sixth electric control adjusting rods (85) are installed on the side surface of the third support fixed plate (84), and each of the third support plates (86) is installed on the telescopic ends of the corresponding pair of sixth electric control adjusting rods (85).

9. The underground construction excavation bracing structure according to claim 1, wherein One of the support bases (10) is provided with a controller (90), and the other support base (10) is provided with a power interface (100).

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