Lining trolley template suitable for S-curve section tunnel transverse hole

Abstract

The utility model relates to the technical field of tunnel construction, and provides a lining trolley formwork suitable for an S curve section tunnel transverse hole, which comprises an inner arc part, an outer arc part and a linear part, the inner arc part comprises a fixed formwork assembly, and the linear part comprises a fixed formwork assembly and a movable formwork assembly. The outer arc part comprises a fixed formwork assembly and movable formwork assemblies which are symmetrically arranged, and the fixed formwork assembly is in an arch shape. In the construction process, the S-shaped curve section of the tunnel transverse hole sequentially passes through the inner arc section, the linear section and the outer arc section, the fixed formwork assembly is used during construction of the inner arc section, the fixed formwork assembly and the movable formwork assembly are used during construction of the linear section, and the fixed formwork assembly and the symmetrically-arranged movable formwork assembly are used during construction of the outer arc section. In the construction process, the movable formwork assemblies are gradually added, the purpose of being suitable for an S curve is achieved, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a lining trolley formwork applicable to the cross tunnel of the S-curve section. Background Technique

[0002] With the development of urbanization, the contradiction between urban construction and urban road traffic is becoming increasingly acute. Due to the restrictions of planning and existing buildings, there are more and more underground tunnel projects. To speed up the construction progress, cross tunnels are built to increase the working face or serve as rescue channels. Considering the impact on ground buildings, the cross tunnel line is designed as an S-curve section, that is, a line composed of one or more small-radius curve sections and straight sections.

[0003] However, the construction of the S-curve section is more difficult. Compared with the straight section, different segments of the S-curve require different lining trolley formworks for construction, which slows down the construction efficiency.

[0004] Therefore, in view of the above problems, a lining trolley formwork applicable to the cross tunnel of the S-curve section is proposed to solve the above problems. Content of the Utility Model

[0005] In view of the deficiencies of the prior art, the utility model develops a lining trolley formwork applicable to the cross tunnel of the S-curve section, which is convenient for the construction of the cross tunnel of the S-curve section.

[0006] The technical solution for the utility model to solve the technical problem is: a lining trolley formwork applicable to the cross tunnel of the S-curve section, including an inner arc part, an outer arc part and a straight part. The inner arc part includes a fixed formwork assembly. The straight part includes a fixed formwork assembly and a movable formwork assembly. The outer arc part includes a fixed formwork assembly and symmetrically arranged movable formwork assemblies. The fixed formwork assembly is arched. One end of the fixed formwork assembly of the straight part is provided with a movable formwork assembly. One end of the fixed formwork assembly of the outer arc part is provided with a movable formwork assembly. Symmetric movable formwork assemblies are arranged at the end of the movable formwork assembly of the outer arc part away from the fixed formwork assembly.

[0007] During the construction process, the S-curve section of the cross tunnel of the tunnel passes through the inner arc section, the straight section and the outer arc section in sequence. During the construction of the inner arc section, the fixed formwork assembly is used. During the construction of the straight section, the fixed formwork assembly and the movable formwork assembly are used. During the construction of the outer arc section, the fixed formwork assembly and the symmetrically arranged movable formwork assemblies are used. During the construction process, movable formwork assemblies are gradually added to achieve the purpose of adapting to the S-curve and improve the construction efficiency.

[0008] Preferably, the fixed formwork assembly includes formwork one, formwork two, formwork three and formwork four. Formwork one is connected to formwork two. Formwork two is connected to formwork three. Formwork three is connected to formwork four. Formwork one, formwork two, formwork three and formwork four form an arch.

[0009] Template One, Template Two, Template Three and Template Four form an arch shape and are applicable to the tunnel shape.

[0010] Preferably, the width of Template Four is wider than that of Template One. Both Template Two and Template Three are wider on one side and narrower on the other side. The narrower side of Template Two is connected to Template One, the wider side of Template Two is connected to the narrower side of Template Three, the wider side of Template Three is connected to Template Four. The top views of Template Two and Template Three are trapezoids, and the end faces of Template One, Template Two, Template Three and Template Four coincide.

[0011] Template One, Template Two, Template Three and Template Four are spliced into a shape that is wide at one end and narrow at the other end, with the narrow end close to the center of the inner arc. Through the two ends with different widths, it is applicable to the arched tunnel.

[0012] Preferably, the movable formwork assembly includes the First Template, the Second Template and the Third Template. The Second Template is wider on one side and narrower on the other side, and its top view is a trapezoid. The top view of the Third Template is a triangle. The inclined surface of the Second Template has the same length as that of Template Two, and the inclined surface of the Third Template has the same length as that of Template Three. The width of the First Template is the same as that of Template One.

[0013] Preferably, the fixed formwork assembly of the straight part is connected to the movable formwork assembly. The First Template is connected to Template One, the Second Template is connected to Template Two, and the Third Template is connected to Template Three. The wider side of the Second Template is connected to the First Template, the narrower side of the Second Template is connected to the Third Template. The inclined surface of the Second Template coincides with that of Template Two and is connected to the inclined surface of Template Three. The top view of the straight part is a rectangle.

[0014] By adding the First Template, the Second Template and the Third Template, the top view of the lining trolley formwork becomes a rectangle, which is applicable to the construction of the straight-section tunnel.

[0015] Preferably, the fixed formwork assembly of the outer arc part is connected to the symmetrically arranged movable formwork assemblies. Oppositely arranged Template Ones are connected to the First Template, oppositely arranged Template Twos are connected to the Second Template, and oppositely arranged Template Threes are connected to the Third Template. The planes between the oppositely arranged Second Templates are connected, the planes between the oppositely arranged Third Templates are connected. The top views of the oppositely arranged Second Templates and Third Templates together form an isosceles triangle. The First Template is connected to the corresponding Second Template, and the Second Template is connected to the corresponding Third Template.

[0016] During the construction of the outer arc section, on the basis of the straight part, movable formworks are continuously added to make the width at the position of Template One greater than the width at the position of Template Four, changing the size ratio of the widths at both ends. At this time, Template Four is close to the center of the outer arc.

[0017] Preferably, both the fixed formwork assembly and the movable formwork assembly are provided with flange plates, and multiple stiffening ribs and multiple bolt holes are arranged on the flange plates.

[0018] By adding flange plates, the structural strength of the fixed formwork assembly and the movable formwork assembly is improved. By providing multiple reinforcing ribs, the strength is further enhanced. By providing multiple bolt holes, disassembly and installation are facilitated.

[0019] The effects provided in the utility model content are only the effects of the embodiments, rather than all the effects of the utility model. The above technical solutions have the following advantages or beneficial effects:

[0020] During the construction process, the S-curve section of the tunnel cross-passage sequentially passes through the inner arc section, the straight section, and the outer arc section. The fixed formwork assembly is used during the construction of the inner arc section, the fixed formwork assembly and the movable formwork assembly are used during the construction of the straight section, and the fixed formwork assembly and the symmetrically arranged movable formwork assemblies are used during the construction of the outer arc section. The movable formwork assemblies are gradually added during the construction process to achieve the purpose of adapting to the S-curve, thereby improving the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model.

[0022] Figure 1 It is the front view of the present utility model.

[0023] Figure 2 It is the schematic top view of the formwork splicing of the straight part of the present utility model.

[0024] Figure 3 It is the schematic top view of the formwork splicing of the outer arc part of the present utility model.

[0025] Figure 4 It is the schematic top view of the splicing of Formwork One and the First Formwork of the present utility model.

[0026] Figure 5 It is the schematic top view of the splicing of Formwork Two and the Second Formwork of the present utility model.

[0027] Figure 6 It is the schematic top view of the splicing of Formwork Three and the Third Formwork of the present utility model.

[0028] Figure 7 It is the front view of Formwork One of the present utility model.

[0029] In the figure, 1. Formwork One; 2. Formwork Two; 3. Formwork Three; 4. Formwork Four; 5. The First Formwork; 6. The Second Formwork; 7. The Third Formwork; 8. Flange plate; 9. Reinforcing rib; 10. Bolt hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] In order to clearly illustrate the technical features of this solution, the following will elaborate on the present utility model in detail through specific embodiments and in conjunction with its accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, the components and settings of specific examples are described below. In addition, the present utility model may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present utility model omits the description of well-known components and processing technologies and processes to avoid unnecessarily limiting the present utility model. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are 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 cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" 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, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood in specific situations.

[0031] As Figures 1 to 7 shown, a formwork for a lining trolley applicable to the cross-passage of an S-curve tunnel section includes an inner arc part, an outer arc part, and a straight part. The inner arc part includes a fixed formwork assembly, the straight part includes a fixed formwork assembly and a movable formwork assembly, the outer arc part includes a fixed formwork assembly and symmetrically arranged movable formwork assemblies. The fixed formwork assembly is arched. One end of the fixed formwork assembly in the straight part is provided with a movable formwork assembly, and one end of the fixed formwork assembly in the outer arc part is provided with a movable formwork assembly. Symmetrically arranged movable formwork assemblies are provided at the end of the movable formwork assembly in the outer arc part away from the fixed formwork assembly. During the construction process, the S-shaped curve section of the tunnel cross-passage sequentially passes through the inner arc section, the straight section, and the outer arc section. The fixed formwork assembly is used during the construction of the inner arc section, the fixed formwork assembly and the movable formwork assembly are used during the construction of the straight section, and the fixed formwork assembly and the symmetrically arranged movable formwork assemblies are used during the construction of the outer arc section. The movable formwork assemblies are gradually added during the construction process to achieve the purpose of adapting to the S-curve.

[0032] The fixed formwork component includes formwork one 1, formwork two 2, formwork three 3 and formwork four 4. Formwork one 1 is connected to formwork two 2, formwork two 2 is connected to formwork three 3, formwork three 3 is connected to formwork four 4. Formwork one 1, formwork two 2, formwork three 3 and formwork four 4 form an arch. Formwork one 1, formwork two 2, formwork three 3 and formwork four 4 form an arch, which is suitable for the shape of a tunnel.

[0033] The width of formwork four 4 is wider than that of formwork one 1. Both formwork two 2 and formwork three 3 are wider on one side and narrower on the other side. The narrower side of formwork two 2 is connected to formwork one 1, the wider side of formwork two 2 is connected to the narrower side of formwork three 3, the wider side of formwork three 3 is connected to formwork four 4. The top views of formwork two 2 and formwork three 3 are both trapezoids. The end faces of formwork one 1, formwork two 2, formwork three 3 and formwork four 4 coincide. Formwork one 1, formwork two 2, formwork three 3 and formwork four 4 are spliced into a shape with one end wide and one end narrow, and the narrow end is close to the center of the inner arc segment. Through the two ends with different widths, it is applicable to the arched tunnel.

[0034] The movable formwork component includes the first formwork 5, the second formwork 6 and the third formwork 7. The second formwork 6 is wider on one side and narrower on the other side. The top view of the second formwork 6 is a trapezoid. The top view of the third formwork 7 is a triangle. The inclined surface of the second formwork 6 has the same length as the inclined surface of formwork two 2. The inclined surface of the third formwork 7 has the same length as the inclined surface of formwork three 3. The width of the first formwork 5 is the same as that of formwork one 1.

[0035] The fixed formwork component of the straight section is connected to the movable formwork component. The first formwork 5 is connected to formwork one 1, the second formwork 6 is connected to formwork two 2, the third formwork 7 is connected to formwork three 3. The wider side of the second formwork 6 is connected to the first formwork 5, the narrower side of the second formwork 6 is connected to the third formwork 7. The inclined surface of the second formwork 6 coincides with the inclined surface of formwork two 2 and is connected to the inclined surface of formwork three 3. The top view of the straight section is a rectangle. By adding the first formwork 5, the second formwork 6 and the third formwork 7, the top view of the lining trolley formwork is a rectangle, which is suitable for the construction of the straight section tunnel.

[0036] The fixed formwork component of the outer arc section is connected to the symmetrically arranged movable formwork components. Oppositely arranged formwork one 1 is connected to the first formwork 5, oppositely arranged formwork two 2 is connected to the second formwork 6, oppositely arranged formwork three 3 is connected to the third formwork 7. The planes between the oppositely arranged second formworks 6 are connected, the planes between the oppositely arranged third formworks 7 are connected. The top views of the oppositely arranged second formworks 6 and third formworks 7 together form an isosceles triangle. The first formwork 5 is connected to the corresponding second formwork 6, and the second formwork 6 is connected to the corresponding third formwork 7. During the construction of the outer arc section, on the basis of the straight section, continue to add movable formwork so that the width at the position of formwork one 1 is greater than the width at the position of formwork four 4, changing the size ratio of the widths at both ends. At this time, formwork four 4 is close to the center of the outer arc section.

[0037] Both the fixed formwork component and the movable formwork component are provided with flange plates 8, and a plurality of reinforcing ribs 9 and a plurality of bolt holes 10 are arranged on the flange plates 8. By adding the flange plates 8, the structural strength of the fixed formwork component and the movable formwork component is improved. By arranging a plurality of reinforcing ribs 9, the strength is further improved. By arranging a plurality of bolt holes 10, disassembly and installation are facilitated.

[0038] Working principle: During the construction process, the S-curve section of the tunnel cross-passage sequentially passes through the inner arc section, the straight section, and the outer arc section. The fixed formwork component is used during the construction of the inner arc section, the fixed formwork component and the movable formwork component are used during the construction of the straight section, and the fixed formwork component and the symmetrically arranged movable formwork components are used during the construction of the outer arc section. During the construction of the inner arc section, formwork one 1, formwork two 2, formwork three 3, and formwork four 4 are spliced into a shape with one end wide and one end narrow, and the narrow end is close to the center of the circle of the inner arc section. Through the two ends with different widths, it is applicable to the arc-shaped tunnel. During the construction of the straight section, by adding the first formwork 5, the second formwork 6, and the third formwork 7, the top view of the lining trolley formwork is rectangular, which is applicable to the construction of the straight-section tunnel. During the construction of the outer arc section, on the basis of the straight section, movable formwork is continuously added to make the width at formwork one 1 greater than the width at formwork four 4, changing the size ratio of the widths at both ends. At this time, formwork four 4 is close to the center of the circle of the outer arc section.

[0039] Although the specific implementation manners of the utility model are described above in conjunction with the accompanying drawings, it is not a limitation to the protection scope of the utility model. Based on the technical solution of the utility model, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the utility model.

Claims

1. A lining trolley template suitable for a cross tunnel of an S-curve section tunnel, characterized by: It includes an inner arc portion, an outer arc portion and a straight portion, the inner arc portion includes a fixed template assembly, the straight portion includes a fixed template assembly and a movable template assembly, the outer arc portion includes a fixed template assembly and a symmetrically arranged movable template assembly, the fixed template assembly is arched, a movable template assembly is arranged at one end of the fixed template assembly of the straight portion, a movable template assembly is arranged at one end of the fixed template assembly of the outer arc portion, and a symmetrical movable template assembly is arranged at one end of the movable template assembly of the outer arc portion away from the fixed template assembly.

2. The lining trolley template suitable for the cross hole of an S-curve tunnel according to claim 1 is characterized by: The fixed template assembly comprises a template one (1), a template two (2), a template three (3) and a template four (4); the template one (1) is connected to the template two (2), the template two (2) is connected to the template three (3), the template three (3) is connected to the template four (4), and the template one (1), the template two (2), the template three (3) and the template four (4) form an arch.

3. The lining trolley template suitable for the cross hole of an S-curve tunnel according to claim 2 is characterized by: The width of the template four (4) is wider than that of the template one (1); the template two (2) and the template three (3) are both wide on one side and narrow on the other side; the narrow side of the template two (2) is connected to the template one (1); the wide side of the template two (2) is connected to the narrow side of the template three (3); the wide side of the template three (3) is connected to the template four (4); the top views of the template two (2) and the template three (3) are both trapezoidal; the end faces of the template one (1), the template two (2), the template three (3) and the template four (4) overlap.

4. The lining trolley template suitable for the cross hole of an S-curve tunnel according to claim 1 is characterized by: The movable template assembly comprises a first template (5), a second template (6) and a third template (7); the second template (6) is wide on one side and narrow on the other side; the top view of the second template (6) is a trapezoid; the top view of the third template (7) is a triangle; the inclined surface of the second template (6) is the same length as the inclined surface of the second template (2); the inclined surface of the third template (7) is the same length as the inclined surface of the third template (3); and the width of the first template (5) is the same as that of the first template (1).

5. The lining trolley template suitable for the cross hole of an S-curve tunnel according to claim 4 is characterized by: The fixed template component of the straight portion is connected to the movable template component, the first template (5) is connected to the template one (1), the second template (6) is connected to the template two (2), the third template (7) is connected to the template three (3), the wide side of the second template (6) is connected to the first template (5), the narrow side of the second template (6) is connected to the third template (7), the inclined surface of the second template (6) coincides with the inclined surface of the template two (2), the inclined surface of the second template (6) is connected to the inclined surface of the template three (3), and the straight portion is a rectangle when viewed from above.

6. The lining trolley template suitable for the cross hole of an S-curve tunnel according to claim 4 is characterized by: The fixed template component of the outer arc portion is connected to the symmetrically arranged movable template component; the first template (5) is connected to the relatively arranged template one (1); the second template (6) is connected to the relatively arranged template two (2); the third template (7) is connected to the relatively arranged template three (3); the planes between the relatively arranged second templates (6) are connected; the planes between the relatively arranged third templates (7) are connected; the top views of the relatively arranged second templates (6) and the third templates (7) together form an isosceles triangle; the first template (5) is connected to the corresponding second template (6); and the second template (6) is connected to the corresponding third template (7).

7. The lining trolley template suitable for the cross hole of an S-curve tunnel according to claim 1 is characterized by: The fixed formwork assembly and the movable formwork assembly are both provided with a flange plate (8), and the flange plate (8) is provided with a plurality of reinforcing ribs (9) and a plurality of bolt holes (10).

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