Subway drainage ditch template and construction method

Abstract

The present invention proposes a subway drainage ditch template and construction method, including a template body, a fixed arm, a first adjustment component, a first support component, a swing arm, a second adjustment component, a second support component and a rail pressure plate, the template body and the fixed arm are both arranged below the swing arm, and the template body is located at the first end of the swing arm, and the fixed arm is located at the second end of the swing arm; the upper end of the first support component is hinged to the first end of the swing arm, and the lower end thereof is fixed to the template body; the upper end of the second support component is hinged to the middle of the swing arm, and the lower end thereof is fixed to the first end of the fixed arm; the first adjustment component is arranged at the first end of the swing arm, and is used to adjust the height of the template body; the second adjustment component is arranged at the second end of the swing arm, and is used to adjust the rotation angle of the template body; the rail pressure plate is arranged at the second end of the fixed arm. The present invention has the advantages of simple adjustment, high installation precision, reduced construction difficulty and shortened construction time.

Description

Technical Field

[0001] The invention relates to the technical field of subway concrete construction, and in particular to a subway drainage ditch template and a construction method. Background Art

[0002] In the construction of urban subway rail transit, the concrete pouring of subway track bed drainage ditch is an important project in the subway construction process. The pouring process of drainage ditch concrete is similar to other concrete pouring. First, bakelite or steel is used to make the template, which is then installed, adjusted, fixed, and poured at the construction site. Finally, the template is removed and turned over. However, the existing drainage ditch template has disadvantages:

[0003] 1. Adjustment and installation are complicated during construction, especially in curved sections;

[0004] 2. The installation accuracy between the templates is low, the connection is misaligned, and the slope of the drainage ditch is difficult to control;

[0005] 3. Steel formwork has poor corrosion resistance, heavy weight and low turnover efficiency.

[0006] In summary, how to provide a subway drainage ditch template and construction method with simple adjustment, high installation precision, strong corrosion resistance, light weight and easy turnover has become a technical problem that technical personnel in this field urgently need to solve. Summary of the invention

[0007] In view of this, the present invention proposes a subway drainage ditch template and a construction method to overcome the defects of the prior art.

[0008] To achieve the above object, the technical solution of the present invention is implemented as follows: The present invention proposes a subway drainage ditch template, including a template body, a fixed arm, a first adjustment component, a first support component, a swing arm, a second adjustment component, a second support component and a rail pressure plate, wherein:

[0009] The template body and the fixed arm are both arranged below the swing arm, and the template body is located at the first end of the swing arm, and the fixed arm is located at the second end of the swing arm;

[0010] The upper end of the first support assembly is hinged to the first end of the swing arm, and the lower end thereof is fixed to the template body;

[0011] The upper end of the second support assembly is hinged to the middle part of the swing arm, and the lower end thereof is fixed to the first end of the fixed arm;

[0012] The first adjustment component is disposed at the first end of the swing arm and is located between the swing arm and the template body, and is used to adjust the height of the template body;

[0013] The second adjustment component is disposed at the second end of the swing arm and is located between the swing arm and the fixed arm, and is used to adjust the rotation angle of the template body;

[0014] The rail pressing plate is arranged at the second end of the fixed arm and is used to fix the subway drainage ditch template on the rail.

[0015] Furthermore, the first adjustment assembly includes a first articulated bolt, a first support, a pin and a first fastener, the first support is fixed to the upper surface of the template body, the first articulated bolt passes through the swing arm and is hinged to the first support through the pin, and the first fastener is arranged at the connection between the first articulated bolt and the swing arm.

[0016] Furthermore, the first adjustment assembly is arranged closer to the first end of the swing arm than the first support assembly.

[0017] Furthermore, the second adjustment assembly includes a second articulated bolt, a pin and a second fastener, the second articulated bolt passes through the swing arm and is hinged to the fixed arm through the pin, and the second fastener is arranged at the connection between the second articulated bolt and the swing arm.

[0018] Furthermore, the first supporting assembly includes a second support and a pin, the upper end of the second support is hinged to the first end of the swing arm through the pin, the lower end of the second support is fixed to the upper surface of the template body, and the second support is higher than the first support.

[0019] Furthermore, the second supporting assembly includes a third support and a pin shaft, the upper end of the third support is hinged to the middle part of the swing arm through the pin shaft, the lower end of the third support is fixed to the first end of the fixed arm, and the third support is higher than the first support.

[0020] Furthermore, the template body is a hemispherical structure, the upper surface of the template body is circular, and the lower surface is arc-shaped.

[0021] Furthermore, a plurality of protrusions are distributed on both ends of the template body, and the protrusions on adjacently installed template bodies are arranged to cross and cooperate with each other.

[0022] Furthermore, the template body, the fixed arm and the swing arm are all made of aluminum alloy profiles by integral molding.

[0023] Compared with the prior art, the first supporting assembly in the above-mentioned subway drainage ditch template is used to hoist the template body on the swing arm, the second supporting assembly is used to support the swing arm, and the rail pressure plate fixes the subway drainage ditch template on the rail through the fixed arm. Since the upper ends of the first supporting assembly and the second supporting assembly are hinged to the swing arm, it is ensured that the height of the template body can be adjusted by the first adjusting assembly, and the rotation angle of the template body can be adjusted by the second adjusting assembly. It has the advantages of simple adjustment, high installation precision, reduced construction difficulty and shortened construction time.

[0024] On the other hand, the present invention also proposes a subway drainage ditch construction method, which uses any of the subway drainage ditch templates described above to perform construction operations, including the following steps:

[0025] 1) Use the rail pressure plate to fix the fixed arm of the subway drainage ditch template on the rail;

[0026] 2) The fixed arm and the swing arm are connected by the second support assembly, and the second support assembly supports the swing arm. At the same time, the swing arm and the template body are connected by the first support assembly, and the first support assembly hoists the template body on the swing arm;

[0027] 3) Installing the first adjustment assembly on the first end of the swing arm, and installing the second adjustment assembly on the second end of the swing arm;

[0028] 4) The height of the template body is adjusted by the first adjustment component, and the rotation angle of the template body is adjusted by the second adjustment component;

[0029] 5) After the height and angle of the template body are adjusted, the protrusions distributed at the end of the template body are arranged to cross and match with the protrusions set on the next adjacent template body to reduce the swing of the next template body;

[0030] 6) Carry out subway drainage ditch construction work by concrete machinery;

[0031] 7) After the subway drainage ditch operation is completed, the formwork body, fixed arm, swing arm and rail pressure plate are removed and prepared for the next use.

[0032] The above-mentioned subway drainage ditch construction method uses the subway drainage ditch template described in any of the above items for construction work, which obviously has the advantages of simple adjustment of the subway drainage ditch template, high installation accuracy, reduced construction difficulty and shortened construction time, and will not be elaborated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0034] Figure 1 This is a front view of a subway drainage ditch template of the present invention;

[0035] Figure 2 for Figure 1 A top view of

[0036] Figure 3 for Figure 2 Middle AA section view;

[0037] Figure 4 The present invention is a flow chart of a subway drainage ditch construction method.

[0038] The corresponding relationship of the reference numerals is:

[0039] 1. Template body 2. Fixed arm 3. First adjustment component

[0040] 4. First support assembly 5. Swing arm 6. Second adjustment assembly

[0041] 7. Second support assembly 8. Rail pressing plate 9. Rail

[0042] 10. Pin 11 and nut 12 protrude

[0043] 13. Lifting ear 14 Next template body 31. First live bolt

[0044] 32, first support 41, second support 61, second movable bolt

[0045] 71. The third support DETAILED DESCRIPTION

[0046] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0047] In the present invention, directions such as "left", "right", "up", "down", "inside", and "outside" are used in the sense of Figure 1 The terms "first" and "second" are mainly used to distinguish different components, but do not specifically limit the components. The "first end" is defined as the end away from the rail, and the "second end" is defined as the end close to the rail. Figure 1 For example, the first end is the right end, and the second end is the left end.

[0048] like Figure 1 and Figure 2The subway drainage ditch template shown includes a template body 1, a fixed arm 2, a first adjustment component 3, a first support component 4, a swing arm 5, a second adjustment component 6, a second support component 7 and a rail pressure plate 8. The template body 1 and the fixed arm 2 are both arranged below the swing arm 5, and the template body 1 is located at the first end of the swing arm 5, and the fixed arm 2 is located at the second end of the swing arm 5; the upper end of the first support component 4 is hinged to the first end of the swing arm 5, and its lower end is fixed to the template body 1; the upper end of the second support component 7 is hinged to the middle of the swing arm 5, and its lower end is fixed to the first end of the fixed arm 2; the first adjustment component 3 is arranged at the first end of the swing arm 5, and is located between the swing arm 5 and the template body 1, and is used to adjust the height of the template body 1; the second adjustment component 6 is arranged at the second end of the swing arm 5, and is located between the swing arm 5 and the fixed arm 2, and is used to adjust the rotation angle of the template body 1; the rail pressure plate 8 is arranged at the second end of the fixed arm 2, and is used to fix the subway drainage ditch template on the rail 9. It should be noted that the template body 1 is preferably a hemispherical structure, with a circular upper surface and an arc-shaped lower surface, but its structure is not limited thereto, and the template body 1 can also be a rectangular structure or a trapezoidal structure that is wide at the top and narrow at the bottom. Through the above arrangement, the first support assembly 4 is used to hoist the template body 1 on the swing arm 5, the second support assembly 7 is used to support the swing arm 5, and the rail pressure plate 8 fixes the subway drainage ditch template on the rail 9 through the fixed arm 2. Since the upper ends of the first support assembly 4 and the second support assembly 7 are both hinged to the swing arm 5, it is ensured that the height adjustment of the template body 1 can be achieved through the first adjustment assembly 3, and the rotation angle adjustment of the template body 1 can be achieved through the second adjustment assembly 6, which has the advantages of simple adjustment, high installation accuracy, reduced construction difficulty and shortened construction time.

[0049] In a further technical solution, see Figure 1The first adjustment component 3 includes a first articulated bolt 31, a first support 32, a pin 10 and a first fastener. The first support 32 is fixed to the upper surface of the template body 1. The first articulated bolt 31 passes through the swing arm 5 and is hinged to the first support 32 through the pin 10. The first fastener is arranged at the connection between the first articulated bolt 31 and the swing arm 5 to prevent the first articulated bolt 31 from escaping from the swing arm 5. Preferably, the first fastener is a nut 11, and the number thereof is two. The two nuts 11 are respectively installed at the connection between the swing arm 5 and the first articulated bolt 31. When height adjustment is required, the two nuts 11 are loosened, and the height of the template body 1 is adjusted by moving the first articulated bolt 31 up and down. After the height is adjusted, the two nuts 11 are tightened respectively. The second adjustment component 6 It includes a second articulated bolt 61, a pin 10 and a second fastener. The second articulated bolt 61 passes through the swing arm 5 and is hinged to the fixed arm 2 through the pin 10. Specifically, the hinged part is the middle part of the fixed arm 2. The second fastener is arranged at the connection between the second articulated bolt 61 and the swing arm 5 to prevent the second articulated bolt 61 from escaping from the swing arm 5. Preferably, the second fastener is also a nut 11, and the number thereof is two. The two nuts 11 are respectively installed at the connection between the swing arm 5 and the second articulated bolt 61. When the angle needs to be adjusted, the two nuts 11 are loosened, and the swing arm 5 is rotated inwardly and outwardly with the second articulated bolt as the central axis to drive the template body 1 to move, so as to adjust the rotation angle of the template body 1. After the angle is adjusted, the two nuts 11 are tightened respectively. It should be noted that the first support 32 is preferably fixed to the upper surface of the template body 1 by welding, but is not limited thereto.

[0050] At the same time, if Figure 1 As shown, the first support assembly 4 in the present invention includes a second support 41 and a pin 10, the upper end of the second support 41 is hinged to the first end of the swing arm 5 through the pin 10, and the lower end thereof is fixed to the upper surface of the template body 1, the second support 41 is used to hoist the template body 1, and the second support 41 is higher than the first support 32; the second support assembly 7 includes a third support 71 and a pin 10, the upper end of the third support 71 is hinged to the middle part of the swing arm 5 through the pin 10, and the lower end thereof is fixed to the first end of the fixed arm 2, the third support 71 is used to support the swing arm 5, and the third support 71 is higher than the first support 32. Preferably, the lower end of the second support 41 is fixed to the upper surface of the template body 1 by welding, and the third support 71 is fixed to the first end of the fixed arm 2 by welding. It should be noted that the second support 41 and the third support 71 are arranged at the same height.

[0051] It is also worth mentioning that in order to adjust the height of the template body 1 more easily and labor-savingly, the first adjustment component 3 is arranged closer to the first end of the swing arm 5 than the first support component 4.

[0052] See 2 and Figure 3 In the embodiment shown, a plurality of protrusions 12 are distributed at both ends of the template body 1. The protrusions 12 are preferably in the shape of round rods, and the protrusions 12 on the adjacent template bodies 1 are arranged to cross and match each other. In this embodiment, the protrusions 12 at the end of the template body 1 are arranged to cross and match each other with the protrusions 12 at the end of the next template body 14, so as to reduce the swing amplitude between the template body 1 and the next template body 14 during construction, making adjustment simple, easier to achieve fine-tuning, and high installation accuracy. It should be noted that the upper surface of the template body 1 is also provided with lifting ears 13 for easy transportation or installation. Preferably, the number of the lifting ears 13 is four, and the four lifting ears are distributed at the four corners of the upper surface of the template body 1.

[0053] As a preferred embodiment of the present invention, in order to improve the anti-corrosion ability of the subway drainage ditch template, reduce the weight, and improve the turnover and transportation efficiency, the template body 1, the fixed arm 2 and the swing arm 5 are all made of aluminum alloy profiles in one piece.

[0054] In short, the above-mentioned subway drainage ditch template can achieve the adjustment of the height and rotation angle of the template body 1 without too much effort, which can not only reduce the construction difficulty and construction time, but also achieve fine-tuning and improve installation accuracy. It does not require rust-proof treatment and has high strength, light weight and easy turnover.

[0055] On the other hand, the present invention also provides a subway drainage ditch construction method, such as Figure 4 As shown, the construction work using the subway drainage ditch template described above includes the following steps:

[0056] 1) Use the rail pressure plate 8 to fix the fixed arm 2 of the subway drainage ditch template on the rail 9;

[0057] 2) The fixed arm 2 and the swing arm 5 are connected by the second support assembly 7, and the second support assembly 7 supports the swing arm 5. At the same time, the swing arm 5 and the template body 1 are connected by the first support assembly 4, and the first support assembly 4 hoists the template body 1 on the swing arm 5;

[0058] 3) Install the first adjustment component 3 on the first end of the swing arm 5, and install the second adjustment component 6 on the second end of the swing arm 5;

[0059] 4) The height of the template body 1 is adjusted by the first adjustment component 3, and the rotation angle of the template body 1 is adjusted by the second adjustment component 6;

[0060] 5) After the height and angle of the template body 1 are adjusted, the protrusions 12 distributed at the end of the template body 1 are arranged to cross and match with the protrusions 12 provided on the next adjacent template body 14 to reduce the swing of the next template body 14;

[0061] 6) Carry out subway drainage ditch construction work by concrete machinery;

[0062] 7) After the subway drainage ditch operation is completed, the template body 1, fixed arm 2, swing arm 5 and rail pressure plate 8 are removed and prepared for the next use.

[0063] When the first adjustment assembly 3 includes a first movable bolt 31, a first support 32, a pin 10 and a nut 11, the second adjustment assembly 6 includes a second movable bolt 61, a pin 10 and a nut 11, the first support assembly 4 includes a second support 41 and a pin 10, and the second support assembly 7 includes a third support 71 and a pin 10, the above subway drainage ditch construction method is specifically manifested as follows:

[0064] First, the third support 71 is welded to the first end of the fixed arm 2, and the first support 32 and the second support 41 are welded to the upper end surface of the template body 1;

[0065] Second, use the rail pressure plate 8 to fix the fixed arm 2 of the subway drainage ditch template on the rail 9;

[0066] Third, the swing arm 5 is installed above the fixed arm 2 and supported by the third support 71. At the same time, the template body 1 is hoisted on the first end of the swing arm 5 through the second support 41;

[0067] Fourth, the first articulated bolt 31 is passed through the first end of the swing arm 5, and is hinged to the first support 32 through the pin 10, and is fixed by the nut 11; at the same time, the second articulated bolt 61 is passed through the second end of the swing arm 5, and is hinged to the middle part of the fixed arm 2 through the pin 10, and is fixed by the nut 11;

[0068] Fifth, after installation, loosen the nut 11 at the connection between the first movable bolt 31 and the swing arm 5 as needed, and adjust the height of the template body 1 by adjusting the first movable bolt 31 to move up and down. After the height is adjusted, tighten the nuts 11 respectively;

[0069] Sixth, after the height is adjusted, loosen the nut 11 at the connection between the second articulated bolt 61 and the swing arm 5 as needed, and use the second articulated bolt as the central axis to rotate the swing arm 5 inward and outward to drive the template body 1 to move, so as to adjust the rotation angle of the template body 1. After the angle is adjusted, tighten the nut 11 here;

[0070] Seventh, after the height and angle of the template body 1 are adjusted, the protrusions 12 distributed at the end of the template body 1 are arranged to cross and match with the protrusions 12 provided on the next adjacent template body 14 to reduce the swing of the next template body 1;

[0071] Eighth, use concrete machinery to carry out subway drainage ditch construction work;

[0072] Ninth, after the subway drainage ditch operation is completed, the template body 1, the fixed arm 2, the swing arm 5 and the rail pressure plate 8 are removed to prepare for the next use.

[0073] The construction method using the above-mentioned subway drainage ditch template obviously has the advantages of simple adjustment, high installation accuracy, reduced construction difficulty and shortened construction time, which will not be elaborated here.

[0074] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A subway drainage ditch construction method, characterized in that: The construction method adopts a subway drainage ditch template to perform construction operations. The subway drainage ditch template comprises a template body (1), a fixed arm (2), a first adjustment component (3), a first support component (4), a swing arm (5), a second adjustment component (6), a second support component (7) and a rail pressure plate (8), wherein: The template body (1) and the fixed arm (2) are both arranged below the swing arm (5), and the template body (1) is located at the first end of the swing arm (5), and the fixed arm (2) is located at the second end of the swing arm (5); The upper end of the first support assembly (4) is hinged to the first end of the swing arm (5), and the lower end thereof is fixed to the template body (1); The upper end of the second support assembly (7) is hinged to the middle part of the swing arm (5), and the lower end of the second support assembly (7) is fixed to the first end of the fixed arm (2); The first adjustment component (3) is arranged at the first end of the swing arm (5) and is located between the swing arm (5) and the template body (1), and is used to adjust the height of the template body (1); The second adjustment component (6) is arranged at the second end of the swing arm (5) and is located between the swing arm (5) and the fixed arm (2), and is used to adjust the rotation angle of the template body (1); The rail pressing plate (8) is arranged at the second end of the fixed arm (2) and is used to fix the subway drainage ditch template on the rail (9); The first adjustment assembly (3) comprises a first articulated bolt (31), a first support (32), a pin (10) and a first fastener, wherein the first support (32) is fixed to the upper surface of the template body (1), the first articulated bolt (31) passes through the swing arm (5) and is hinged to the first support (32) via the pin (10), and the first fastener is arranged at the connection between the first articulated bolt (31) and the swing arm (5); The first adjustment component (3) is arranged closer to the first end of the swing arm (5) than the first support component (4); The second adjustment assembly (6) comprises a second articulated bolt (61), a pin (10) and a second fastener, wherein the second articulated bolt (61) passes through the swing arm (5) and is hinged to the fixed arm (2) via the pin (10), and the second fastener is arranged at the connection between the second articulated bolt (61) and the swing arm (5); The first support assembly comprises a second support (41) and a pin (10); the upper end of the second support (41) is hinged to the first end of the swing arm (5) via the pin (10); the lower end of the second support (41) is fixed to the upper surface of the template body (1); and the second support (41) is higher than the first support (32); The construction method specifically comprises the following steps: 1) Using a rail pressure plate (8) to fix the fixed arm (2) of the subway drainage ditch template on the rail (9); 2) connecting the fixed arm (2) and the swing arm (5) via a second supporting assembly (7), and the second supporting assembly (7) supports the swing arm (5); at the same time, connecting the swing arm (5) and the template body (1) via a first supporting assembly (4), and the first supporting assembly (4) hoisting the template body (1) onto the swing arm (5); 3) installing the first adjustment component (3) on the first end of the swing arm (5), and installing the second adjustment component (6) on the second end of the swing arm (5); 4) adjusting the height of the template body (1) through the first adjustment component (3), and adjusting the rotation angle of the template body (1) through the second adjustment component (6); 5) After the height and angle of the template body (1) are adjusted, the protrusions (12) distributed at the end of the template body (1) and the protrusions (12) provided on the adjacent next template body (14) are arranged to cross each other to reduce the swing of the next template body (14); 6) Carry out subway drainage ditch construction work by concrete machinery; After the subway drainage ditch operation is completed, the template body (1), the fixed arm (2), the swing arm (5) and the rail pressing plate (8) are removed to prepare for the next use.

2. The subway drainage ditch construction method according to claim 1, characterized in that: The second support assembly (7) comprises a third support (71) and a pin (10); the upper end of the third support (71) is hinged to the middle of the swing arm (5) via the pin (10); the lower end of the third support (71) is fixed to the first end of the fixed arm (2); and the third support (71) is higher than the first support (32).

3. The subway drainage ditch construction method according to any one of claims 1-2, characterized in that: The template body (1) is a hemispherical structure; the upper surface of the template body (1) is circular, and the lower surface is arc-shaped.

4. The subway drainage ditch construction method according to claim 3, characterized in that: A plurality of protrusions (12) are distributed at both ends of the template body (1), and the protrusions (12) on adjacently installed template bodies (1) are arranged to cross and match each other.

5. The subway drainage ditch construction method according to claim 1, characterized in that: The template body (1), the fixed arm (2) and the swing arm (5) are all made of aluminum alloy profiles and integrally formed.

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