Temporary support device for contact channel

Abstract

The utility model discloses a temporary support device for a contact passage, which comprises a plurality of pipe pieces sequentially arranged along the axial direction, a vertical support frame is arranged in each pipe piece, each vertical support frame comprises a first cross rod, a second cross rod and two vertical rods, two ends of the first cross rod, two ends of the second cross rod and two ends of the two vertical rods are respectively fixed on the inner walls of the pipe pieces, and the first cross rod and the second cross rod are fixed on the inner walls of the pipe pieces. The first transverse rod and the second transverse rod are arranged in a vertically spaced mode and fixedly connected with the vertical rods through fixing assemblies, a vehicle passing space is formed among the second transverse rod, the two vertical rods and the bottom wall of the pipe piece, and the opposite fixing assemblies of the adjacent vertical supporting frames are connected through longitudinal rods. The temporary support device for the contact channel is convenient and safe to construct, and construction vehicles can conveniently pass on the basis of meeting the supporting requirement in the contact channel.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel engineering, in particular to a temporary support device for a communication channel. Background Art

[0002] At present, when constructing a communication channel in a shield tunnel, it is necessary to set up a temporary support in the communication channel to excavate the pipe segment. At present, temporary supports are used for construction at the shield site. The temporary support is generally composed of longitudinal bars and vertical bars set along the communication channel. Due to the small area of ​​the construction site in the shield, but the length of the longitudinal bar is too long, it leads to unsafe construction in the shield tunnel and inconvenient installation.

[0003] The existing application number is 20320888040.X, which is a temporary support for the entrance of the shield tunnel section communication channel. On the one hand, it is difficult to meet the support requirements in the communication channel, and on the other hand, it is not convenient for muck trucks to pass through. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a temporary support device for a communication channel which is convenient and safe to construct and is convenient for construction vehicles to pass through while meeting the support requirements in the communication channel.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A temporary support device for a communication channel includes a plurality of pipe segments arranged in sequence along the axial direction, each of the pipe segments is provided with a vertical support frame, the vertical support frame includes a first cross bar, a second cross bar and two vertical bars, the two ends of the first cross bar, the second cross bar and the two vertical bars are respectively fixed on the inner wall of the pipe segment, the first cross bar and the second cross bar are arranged with an interval up and down, the first cross bar and the second cross bar are fixedly connected to the vertical bars through a fixing assembly, a vehicle passing space is formed between the second cross bar, the two vertical bars and the bottom wall of the pipe segment, and the relative fixing assemblies of adjacent vertical supports are connected by a longitudinal rod.

[0007] As a further improvement of the above technical solution:

[0008] The vertical rod is composed of multiple sections that can be detachably assembled.

[0009] The vertical rod includes a bottom rod segment, a first middle rod segment, a second middle rod segment and a top rod segment which are sequentially connected from bottom to top, the bottom end of the bottom rod segment is fixed to the bottom of the pipe segment, the top end of the top rod segment is fixed to the top of the pipe segment, the first cross rod is fixedly connected to the second middle rod segment via a fixing assembly, and the second cross rod is fixedly connected to the first middle rod segment via a fixing assembly.

[0010] Both the first cross bar and the second cross bar are composed of multiple detachable sections assembled together.

[0011] The first cross bar includes a first end rod section, a middle rod section, and a second end rod section connected in sequence from left to right. The left end of the first end rod section is fixed to the left side of the segment, and the right end of the second end rod section is fixed to the right side of the segment. The first end rod section, the middle rod section, and the second middle rod section of a vertical rod are fixedly connected by a fixing component. The middle rod section, the second end rod section, and the second middle rod section of another vertical rod are fixedly connected by a fixing component.

[0012] The fixing component includes two C-shaped blocks symmetrically arranged and clamped on the corresponding middle rod sections. The two ends of the C-shaped blocks are fixedly connected by bolts. The right end of the first end rod section, both ends of the middle rod section, and the left end of the second end rod section are respectively fixedly connected to the corresponding C-shaped blocks.

[0013] The second cross bar includes a left rod section, a connecting rod section, and a right rod section connected in sequence from left to right. The left end of the left rod section is fixed to the left side of the segment, and the right end of the right rod section is fixed to the right side of the segment. The right end of the left rod section, both ends of the connecting rod section, and the left end of the right rod section are respectively fixedly connected to the corresponding C-shaped blocks.

[0014] Chute grooves are provided at both ends of the vertical rod. Wings are respectively provided on both sides of the open end of the C-shaped block. The pairwise opposite wings are clamped in the corresponding chute grooves and fixedly connected to the side walls of the chute grooves by bolts or connected by bolts.

[0015] Adjacent sections of the vertical rod are connected by bolts.

[0016] A concrete base is provided at the bottom of the segment. The bottom end of the vertical rod is fixed on the concrete base, and the top end is welded to the segment. Both ends of the first cross bar and the second cross bar are welded to the segment.

[0017] Compared with the prior art, the advantages of the present utility model are as follows:

[0018] The temporary support device for the communication channel of the present utility model is arranged in sequence by multiple segments in the longitudinal direction (axial direction of the segment). A vertical support is arranged in each segment, and the vertical supports of each segment are connected by a vertical rod. Equivalently, the temporary support device for the communication channel includes multiple segment units with vertical supports arranged inside. During construction, the segment units can be constructed first, and then they can be connected by vertical rods between adjacent segment units. Compared with the prior art, the construction is more convenient and safe. Moreover, a vehicle passage space is formed between the second cross bar, the two vertical rods, and the bottom wall of the segment. On the basis of meeting the support requirements inside the communication channel, it is convenient for construction vehicles (such as muck trucks) to pass, further improving the construction convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic three - dimensional structure diagram of the temporary support device for the connection passage of the present utility model.

[0020] Figure 2 is Figure 1 The enlarged structure diagram at position A in

[0021] Figure 3 It is a schematic structure diagram of the vertical support of the temporary support device for the connection passage of the present utility model.

[0022] Figure 4 is Figure 3 The enlarged structure diagram at position B in

[0023] Figure 5 It is a schematic structure diagram of the temporary support device for the connection passage of the present utility model after disassembling the connecting rod section.

[0024] Each label in the figure represents:

[0025] 1. Segment; 2. Vertical support; 3. First cross bar; 31. First end rod section; 32. Intermediate rod section; 33. Second end rod section; 4. Second cross bar; 41. Left rod section; 42. Connecting rod section; 43. Right rod section; 5. Vertical rod; 51. Bottom rod section; 52. First middle rod section; 53. Second middle rod section; 54. Top rod section; 6. Fixing component; 61. C - shaped block; 62. Wing plate; 7. Vehicle - passing space; 8. Longitudinal rod; 81. Card slot; 9. Concrete base. Detailed implementation manners

[0026] The following further elaborates on the present utility model in detail in conjunction with the accompanying drawings of the specification and specific embodiments.

[0027] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0028] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "assemble", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Figures 1 to 4 An embodiment of a temporary support device for a communication channel of the utility model is shown. The temporary support device for a communication channel of the embodiment comprises a plurality of segments 1 arranged in sequence along the axial direction. Each segment 1 is provided with a vertical support frame 2. The vertical support frame 2 comprises a first cross bar 3, a second cross bar 4 and two vertical bars 5. The two ends of the first cross bar 3, the second cross bar 4 and the two vertical bars 5 are respectively fixed on the inner wall of the segment 1. The first cross bar 3 and the second cross bar 4 are spaced apart up and down. The first cross bar 3 and the second cross bar 4 are fixedly connected to the vertical bars 5 through a fixing assembly 6. A vehicle passing space 7 is formed between the second cross bar 4, the two vertical bars 5 and the bottom wall of the segment 1. The relative fixing assemblies 6 of adjacent vertical support frames 2 are connected through a longitudinal bar 8.

[0031] The temporary support device of the communication channel is composed of a plurality of segments 1 arranged in sequence in the longitudinal direction (the axial direction of the segment 1), and a vertical support frame 2 is arranged in each segment 1, and the vertical support frames 2 of each segment 1 are connected by a longitudinal rod 8. In other words, the temporary support device of the communication channel includes a plurality of segment units with vertical supports 2 therein. During construction, the segment units can be constructed first, and then the adjacent segment units can be connected by the longitudinal rod 8. Compared with the prior art, the construction is more convenient and safer. In addition, a vehicle passing space 7 is formed between the second cross bar 4, the two vertical bars 5 and the bottom wall of the segment 1, which is convenient for construction vehicles (such as muck trucks) to pass while meeting the support requirements in the communication channel, thereby further improving the convenience of construction.

[0032] Furthermore, in this embodiment, the vertical rod 5 is composed of multiple sections that can be detachably assembled. The vertical rod 5 composed of multiple sections that can be detachably assembled is easy to disassemble and install.

[0033] Further, in this embodiment, the vertical rod 5 includes a bottom rod section 51, a first middle rod section 52, a second middle rod section 53, and a top rod section 54 that are connected in sequence from bottom to top. The bottom end of the bottom rod section 51 is fixed to the bottom of the segment 1, and the top end of the top rod section 54 is fixed to the top of the segment 1. The first cross bar 3 and the second middle rod section 53 are fixedly connected by a fixing assembly 6, and the second cross bar 4 and the first middle rod section 52 are fixedly connected by a fixing assembly 6. Preferably, the bottom rod section 51, the first middle rod section 52, the second middle rod section 53, the top rod section 54, and the segment 1 are all made of steel structures, and the top end of the top rod section 54 is welded to the top of the segment 1.

[0034] Further, in this embodiment, the two vertical rods 5 are symmetrically arranged about the center of the segment 1.

[0035] Further, in this embodiment, both the first cross bar 3 and the second cross bar 4 are composed of multiple detachable sections. This facilitates disassembly and installation.

[0036] Further, in this embodiment, the first cross bar 3 includes a first end rod section 31, a middle rod section 32, and a second end rod section 33 that are connected in sequence from left to right. The left end of the first end rod section 31 is fixed to the left side of the segment 1, and the right end of the second end rod section 33 is fixed to the right side of the segment 1. The first end rod section 31, the middle rod section 32, and the second middle rod section 53 of a vertical rod 5 are fixedly connected by a fixing assembly 6, and the middle rod section 32, the second end rod section 33, and the second middle rod section 53 of the other vertical rod 5 are fixedly connected by a fixing assembly 6. Preferably, the first end rod section 31, the middle rod section 32, and the second end rod section 33 are all made of steel structures. The left end of the first end rod section 31 is welded to the left side of the segment 1, and the right end of the second end rod section 33 is welded to the right side of the segment 1.

[0037] Further, as Figure 3 and Figure 4 shown, in this embodiment, the fixing assembly 6 includes two C-shaped blocks 61 that are symmetrically arranged and抱紧 on the corresponding middle rod section (the first middle rod section 52 or the second middle rod section 53). The two ends of the C-shaped block 61 are fixedly connected by bolts. The right end of the first end rod section 31, both ends of the middle rod section 32, and the left end of the second end rod section 33 are respectively fixedly connected to the corresponding C-shaped block 61. The C-shaped block 61 is in a C shape, and a pair of C-shaped blocks 61 are symmetrically arranged with their openings facing each other. On the one hand, the fixing assembly 6 with this structure facilitates the connection between adjacent sections of the first cross bar 3. On the other hand, it facilitates the fixed connection between the first cross bar 3 and the vertical rod 5. That is, the structure of the fixing assembly 6 facilitates the disassembly and assembly of this temporary support device for the connection passage.

[0038] Further, in this embodiment, the second cross bar 4 includes a left rod segment 41, a connecting rod segment 42, and a right rod segment 43 that are connected in sequence from left to right. The left end of the left rod segment 41 is fixed to the left side of the segment 1, and the right end of the right rod segment 43 is fixed to the right side of the segment 1. The right end of the left rod segment 41, both ends of the connecting rod segment 42, and the left end of the right rod segment 43 are respectively fixedly connected to the corresponding C-shaped blocks 61. Preferably, the left rod segment 41, the connecting rod segment 42, and the right rod segment 43 are all made of steel. The left end of the left rod segment 41 is welded to the left side of the segment 1, and the right end of the right rod segment 43 is welded to the right side of the segment 1. The left rod segment 41 is longer than the first end rod segment 31, the connecting rod segment 42 is the same length as the middle rod segment 32, and the right rod segment 43 is longer than the second end rod segment 33.

[0039] Further, in this embodiment, card slots 81 are provided at both ends of the vertical rod 8. Wing plates 62 are respectively provided on both sides of the open end of the C-shaped block 61. The pairwise opposite wing plates 62 are clamped in the corresponding card slots 81 and fixedly connected to the side walls of the card slots 81 through bolts or connected by bolts. The docking ends of the two C-shaped blocks 61 of the fixing assembly 6 are respectively spliced through the corresponding wing plates 62. Bolt holes are provided on the wing plates 62 for bolts to pass through to lock the two C-shaped blocks 61. Moreover, the vertical rod 8 is clamped with the pairwise fitting wing plates 62 through the card slots 81 and then connected by bolts, that is, the bolts penetrate through the side walls on both sides of the card slots 81 and the pairwise fitting wing plates 62. This structure facilitates the connection between the components at the docking position.

[0040] Further, in this embodiment, adjacent segments of the vertical rod 5 are all connected by bolts. The structure is simple and convenient for disassembly and assembly. Specifically, docking blocks are provided at the top of the bottom rod segment 51, both ends of the first middle rod segment 52, both ends of the second middle rod segment 53, and the bottom of the top rod segment 54. The pairwise opposite docking blocks are fixedly connected by bolts.

[0041] Further, in this embodiment, a concrete base 9 is provided at the bottom of the segment 1. The bottom end of the vertical rod 5 is fixed on the concrete base 9 and the top end is welded to the segment 1. Both ends of the first cross bar 3 and the second cross bar 4 are welded to the segment 1. Specifically, steel seats can be embedded in the concrete base 9, and the bottom end of the bottom rod segment 51 is welded to the steel seats.

[0042] Further, in this embodiment, the adjacent bottom rod segments 51 on the same side of the segment 1 can also be connected by the vertical rod 8 (the end of the vertical rod 8 can also be fixed on the corresponding bottom rod segment 51 through the fixing assembly 6), improving the overall structural strength.

[0043] During specific use, the connecting rod segment 42 can be disassembled, as Figure 5 shown, so as to increase the size of the vehicle passing space 7, which is beneficial for the passage of large trolleys.

[0044] Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the art can use the above disclosed technical content to make many possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A temporary support device for a communication channel, characterized in that: It includes a plurality of segments (1) arranged axially in sequence. A vertical support (2) is provided in each of the segments (1). The vertical support (2) includes a first cross bar (3), a second cross bar (4) and two vertical bars (5). The two ends of the first cross bar (3), the second cross bar (4) and the two vertical bars (5) are respectively fixed on the inner wall of the segment (1). The first cross bar (3) and the second cross bar (4) are arranged at intervals vertically. The first cross bar (3) and the second cross bar (4) are both fixedly connected to each vertical bar (5) through a fixing component (6). A vehicle passing space (7) is formed between the second cross bar (4), the two vertical bars (5) and the bottom wall of the segment (1). The relative fixing components (6) of adjacent vertical supports (2) are connected by a longitudinal bar (8).

2. The temporary support device for the communication channel according to claim 1 is characterized in that: The vertical bar (5) is composed of multiple detachable sections connected in series.

3. The temporary support device for the communication channel according to claim 2 is characterized in that: The vertical bar (5) includes a bottom bar section (51), a first middle bar section (52), a second middle bar section (53) and a top bar section (54) connected in sequence from bottom to top. The bottom end of the bottom bar section (51) is fixed at the bottom of the segment (1). The top end of the top bar section (54) is fixed at the top of the segment (1). The first cross bar (3) is fixedly connected to the second middle bar section (53) through a fixing component (6). The second cross bar (4) is fixedly connected to the first middle bar section (52) through a fixing component (6).

4. The temporary support device for the communication channel according to claim 3 is characterized in that: The first cross bar (3) and the second cross bar (4) are both composed of multiple detachable sections connected in series.

5. The temporary support device for the communication channel according to claim 4, characterized in that: The first cross bar (3) includes a first end bar section (31), a middle bar section (32) and a second end bar section (33) connected in sequence from left to right. The left end of the first end bar section (31) is fixed on the left side of the segment (1). The right end of the second end bar section (33) is fixed on the right side of the segment (1). The first end bar section (31), the middle bar section (32) and the second middle bar section (53) of a vertical bar (5) are fixedly connected through a fixing component (6). The middle bar section (32), the second end bar section (33) and the second middle bar section (53) of the other vertical bar (5) are fixedly connected through a fixing component (6).

6. The temporary support device for the communication channel according to claim 5, characterized in that: The fixing component (6) includes two U-shaped blocks (61) symmetrically arranged and clamped on the corresponding middle bar section. The two ends of the U-shaped block (61) are fixedly connected by bolts. The right end of the first end bar section (31), the two ends of the middle bar section (32), and the left end of the second end bar section (33) are respectively fixedly connected to the corresponding U-shaped block (61).

7. The temporary support device for the communication channel according to claim 6, characterized in that: The second cross bar (4) includes a left bar section (41), a connecting bar section (42) and a right bar section (43) connected in sequence from left to right. The left end of the left bar section (41) is fixed on the left side of the segment (1). The right end of the right bar section (43) is fixed on the right side of the segment (1). The right end of the left bar section (41), the two ends of the connecting bar section (42), and the left end of the right bar section (43) are respectively fixedly connected to the corresponding U-shaped block (61).

8. The temporary support device for the communication channel according to claim 7, characterized in that: Slots (81) are provided at both ends of the longitudinal rod (8). Wings (62) are respectively provided on both sides of the open end of the U-shaped block (61). The pairwise opposite wings (62) are clamped in the corresponding slots (81) and fixedly connected to the side walls of the slots (81) by bolts or connected by bolts.

9. The temporary support device for the communication channel according to claim 3, characterized in that: Adjacent segments of the vertical rod (5) are connected by bolts.

10. The temporary support device for the communication channel according to any one of claims 1 to 9, characterized in that: A concrete base (9) is provided at the bottom of the segment (1). The bottom end of the vertical rod (5) is fixed on the concrete base (9), and the top end is welded to the segment (1). Both ends of the first cross bar (3) and the second cross bar (4) are welded to the segment (1).

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