Tunnel inverted arch waterproof plate laying supporting structure

Abstract

The utility model provides a tunnel inverted arch waterproof plate laying supporting structure which comprises a platform frame located on the top, a platform top plate is laid on the top of the platform frame, a plurality of horizontal wheel sets are installed on the inner side edge of the platform frame, and the horizontal wheel sets are in sliding fit with an upper sliding way laid on the inner side wall of a tunnel. A triangular supporting frame structure is fixed to the bottom of the platform frame, a plurality of vertical wheel sets which are vertically arranged are fixed to the bottom end of the triangular supporting frame structure, and the vertical wheel sets are in sliding fit with a lower sliding way laid on a tunnel bottom plate. The supporting structure is of an integral structure, can well adapt to tunnel secondary lining waterproof laying construction, replaces a traditional scaffold supporting mode, can be conveniently and integrally moved after being formed at a time and then is reused, construction efficiency is effectively improved, construction difficulty is reduced, and safety of the operation process is guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of waterproofing installation for secondary lining in tunnel engineering, specifically a support structure for laying waterproofing panels on tunnel arches. Background Technology

[0002] During the construction of the waterproof lining of the tunnel invert arch, due to the curvature of the invert arch and the relatively narrow working surface, it is not suitable to use conventional large-scale fixed scaffolding. The conventional method is to use temporary scaffolding. Since the initial support surface of the invert arch is not horizontal, the stability of the scaffolding is affected, the safety of construction workers cannot be fully guaranteed, and the erection of temporary scaffolding is time-consuming and labor-intensive, resulting in low construction efficiency. Utility Model Content

[0003] To address the existing technical problems, the main objective of this utility model is to provide a support structure for laying waterproof membrane in tunnel inverts. This support structure adopts an integral structure, which can be well adapted to the construction of waterproof membrane laying in tunnel secondary lining, replacing the traditional scaffolding support method. After the support structure is formed in one piece, it can be easily moved as a whole and reused, effectively improving construction efficiency, reducing construction difficulty, and ensuring the safety of the operation process.

[0004] To achieve the above-mentioned technical features, the purpose of this utility model is as follows: a support structure for laying waterproof membrane in tunnel inverts includes a platform frame at the top, a platform top plate laid on the top of the platform frame, multiple sets of horizontal wheels installed on the inner side of the platform frame, the horizontal wheels forming a sliding engagement with the upper sliding track laid on the inner sidewall of the tunnel; a triangular support frame structure is fixed at the bottom of the platform frame, and multiple sets of vertically arranged vertical wheels are fixed at the bottom end of the triangular support frame structure, the vertical wheels forming a sliding engagement with the lower sliding track laid on the tunnel floor plate.

[0005] Preferably, a platform guardrail is fixed to the outer side of the platform frame;

[0006] The platform frame is fixed with platform side railings on both sides, and the ends of the platform side railings are connected to the platform railings.

[0007] Preferably, the triangular support frame structure includes multiple columns, the bottom ends of which are fixedly connected by bottom horizontal bars, and multiple diagonal bars are fixed between the bottom ends of the columns and the platform frame. The diagonal bars and the columns are fixedly connected by multiple layers of first rectangular frame bars and second rectangular frame bars.

[0008] Preferably, the horizontal wheel assembly includes a first wheel frame fixed to the side wall of the platform frame, on which a first roller is rotatably mounted, and the first roller is in contact with and engaged with the upper slide rail.

[0009] Preferably, the vertical wheel set comprises a wheel frame column fixed at the bottom end of the bottom horizontal rod, and a second wheel frame is fixed at the bottom end of the wheel frame column, and a second roller is rotatably installed on the second wheel frame and in contact with the lower slide.

[0010] Preferably, the upper slide and the lower slide are respectively connected to the tunnel interior anchoring through L-shaped anchor bars.

[0011] Preferably, the upper slide and the lower slide are respectively cut from angle steel materials.

[0012] Preferably, the triangular support frame structure adopts an obtuse triangle structure, and the center of gravity is located on the side of the upper slide and the lower slide away from the initial support side of the tunnel, so that the triangular support frame structure will not tilt to the center side of the tunnel during use.

[0013] The utility model has the following beneficial effects:

[0014] 1. The support structure adopts an integral structure, can well adapt to the waterproof laying construction of the secondary lining of a tunnel, replaces the traditional scaffold support mode, and can be integrally moved after one-time forming, thereby being repeatedly used, improving the construction efficiency, reducing the construction difficulty, and ensuring the safety of the operation process.

[0015] 2. The platform side guardrail and the platform guardrail can play a good protection effect during the operation process, and ensure the safety of the operation.

[0016] 3. The triangular support frame structure ensures the stability and reliability of the platform frame support, thereby ensuring the structural strength of the entire triangular support frame structure and the safety.

[0017] 4. The horizontal wheel set can be in rolling contact with the upper slide, thereby realizing smooth sliding of the entire triangular support frame structure.

[0018] 5. The vertical wheel set can be in rolling contact with the lower slide, thereby realizing smooth sliding of the entire triangular support frame structure.

[0019] 6. The L-shaped anchor bar can reliably anchor the upper slide and the lower slide, thereby ensuring the fixing reliability of the upper slide and the lower slide. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described in connection with the drawings and examples.

[0021] Figure 1 It is the whole structure three-dimensional structure drawing of the utility model.

[0022] Figure 2The three-dimensional drawing after removing the upper slide and the lower slide of the utility model.

[0023] Figure 3 The three-dimensional drawing of the upper slide and the lower slide of the utility model.

[0024] Figure 4 The partial structure drawing of the horizontal wheel set of the utility model.

[0025] Figure 5 The partial structure drawing of the vertical wheel set of the utility model.

[0026] Figure 6 The installation state drawing in the tunnel of the utility model.

[0027] In the drawing: stand column 1, inclined rod 2, second wheel bracket 3, second roller 4, bottom horizontal rod 5, first rectangular frame rod 6, second rectangular frame rod 7, platform frame 8, first wheel bracket 9, first roller 10, platform side guardrail 11, platform top plate 12, platform guardrail 13, wheel bracket stand column 14, vertical wheel set 15, horizontal wheel set 16, upper slide 17, lower slide 18, L-shaped anchor bar 19, tunnel 20. DETAILED DESCRIPTION

[0028] The embodiment of the utility model is further explained below in combination with the drawings.

[0029] Referring to Figures 1-6 A tunnel inverted arch waterproof board laying support structure, comprising a platform frame 8 at the top, the top of the platform frame 8 is paved with a platform top plate 12, the inner side of the platform frame 8 is provided with a plurality of horizontal wheel sets 16, and the horizontal wheel set 16 and the upper slide 17 paved on the inner side wall of the tunnel form a sliding fit; the bottom of the platform frame 8 is fixed with a triangular support frame structure, the bottom end of the triangular support frame structure is fixed with a plurality of vertically arranged vertical wheel sets 15, and the vertical wheel set 15 and the lower slide 18 paved on the tunnel bottom plate form a sliding fit. The support structure adopts an integral structure, can well adapt to the tunnel secondary lining waterproof laying construction, replaces the traditional scaffold support mode, and after one-time forming of the support structure, the support structure can be conveniently moved integrally, thereby being repeatedly used, the construction efficiency is effectively improved, the construction difficulty is reduced, and the safety of the operation process is ensured.

[0030] In the specific construction process, the upper slide 17 and the lower slide 18 are pre-installed in the tunnel, then the entire triangular support frame structure is supported on the corresponding upper slide 17 and lower slide 18 through the horizontal wheel set 16 and the vertical wheel set 15, the inverted arch waterproof board laying construction is carried out on the platform top plate 12 by the operating personnel, after one work surface construction is completed, the triangular support frame structure is moved to the next work surface to continue the construction, and the efficiency of the scene change is improved.

[0031] Furthermore, a platform guardrail 13 is fixed to the outer side of the platform frame 8; platform side guardrails 11 are fixed to both sides of the platform frame 8, with the ends of the platform side guardrails 11 and platform guardrails 13 connected to each other. The platform side guardrails 11 and platform guardrails 13 provide excellent protection during operation, ensuring operational safety.

[0032] Furthermore, the triangular support frame structure includes multiple uprights 1, the bottom ends of which are fixedly connected by bottom horizontal bars 5. Multiple diagonal braces 2 are fixed between the uprights 1 and the bottom ends of the platform frame 8. The diagonal braces 2 and the uprights 1 are fixedly connected by multiple layers of first rectangular frame bars 6 and second rectangular frame bars 7. This triangular support frame structure ensures the stability and reliability of the support for the platform frame 8, thereby guaranteeing the structural strength and safety of the entire triangular support frame structure.

[0033] Furthermore, the horizontal wheel assembly 16 includes a first wheel frame 9 fixed to the side wall of the platform frame 8, on which a first roller 10 is rotatably mounted, and the first roller 10 contacts and engages with the upper slide rail 17. The aforementioned horizontal wheel assembly 16 can be used to roll in contact with the upper slide rail 17, thereby achieving smooth sliding of the entire triangular support frame structure.

[0034] Furthermore, the vertical wheel assembly 15 includes a wheel frame column 14 fixed to the bottom end of the bottom horizontal bar 5. A second wheel frame 3 is fixed to the bottom end of the wheel frame column 14, and a second roller 4 is rotatably mounted on the second wheel frame 3. The second roller 4 contacts and engages with the sliding track 18. The vertical wheel assembly 15 can be used to roll in contact with the sliding track 18, thereby achieving smooth sliding of the entire triangular support frame structure.

[0035] Furthermore, both the upper slide rail 17 and the lower slide rail 18 are anchored to the tunnel interior via L-shaped anchor bars 19. These L-shaped anchor bars 19 ensure reliable anchoring of the upper slide rail 17 and the lower slide rail 18, thereby guaranteeing their secure fixation.

[0036] Furthermore, both the upper slide rail 17 and the lower slide rail 18 are cut from angle steel. Using angle steel reduces costs.

[0037] Furthermore, the triangular support frame structure adopts an obtuse-angled triangle structure, with its center of gravity located on the initial support side of the tunnel, near the center of the upper slide rail 17 and the lower slide rail 18, ensuring that it will not tilt towards the center of the tunnel during use. The above-mentioned size and shape structural design ensures the safety of subsequent construction processes.

[0038] Example 2:

[0039] The specific erection and layout process of this utility model:

[0040] Step 1: Fabricate L-shaped anchor bars 19 according to the dimensions and structure shown in the diagram, and embed them into the initial support surface of the invert arch at equal intervals.

[0041] Step 2: Install the upper slide rail 17 and the lower slide rail 18 into the L-shaped anchor bar 19, ensuring that the L-shaped anchor bar 19 hooks the upper slide rail 17 and the lower slide rail 18. Spot weld the supports at both ends of the upper slide rail 17 and the lower slide rail 18 to the slide rail to ensure that the support structure will not slide along the tunnel axis when it moves.

[0042] Step 3: Follow as follows Figure 1 , Figure 2 As shown, a triangular support frame structure is fabricated on the upper slide rail 17 and lower slide rail 18 of the initial support surface of the invert arch, and a platform frame 8 and a platform top plate 12 are installed on the top of the triangular support frame structure.

[0043] Step 4: Based on the actual site conditions, manually push the triangular support frame structure back and forth on the upper slide rail 17 and the lower slide rail 18 to meet the support requirements during the installation of the waterproof membrane.

[0044] The specific construction and usage process and principle of this utility model are as follows:

[0045] During the specific construction process, the workers lay waterproof membrane on the top plate 12 of the platform. After laying one working surface, they manually push the entire support structure to move it horizontally along the upper slide 17 and the lower slide 18, and then move it to the next working surface to carry out the construction work on the next working surface.

Claims

1. A tunnel invert waterproofing sheet laying support structure, characterized by, The platform frame (8) is provided with a platform top plate (12) on the top, and a plurality of horizontal wheel groups (16) are arranged on the inner side of the platform frame (8) and are in sliding fit with an upper slide (17) arranged on the inner side wall of the tunnel.

2. The waterproof board laying support structure for the tunnel inverted arch according to claim 1, characterized in that: The outer side of the platform frame (8) is provided with a platform guardrail (13). The two sides of the platform frame (8) are provided with platform side guardrails (11) which are in abutment with the ends of the platform guardrail (13).

3. The support structure for laying the waterproof plate of the tunnel inverted arch according to claim 1, characterized in that: The triangular support frame structure comprises a plurality of vertical columns (1), the bottom ends of the vertical columns (1) are fixed and connected through a bottom horizontal rod (5), a plurality of inclined rods (2) are fixed between the vertical columns (1) and the bottom end of the platform frame (8), and the inclined rods (2) and the vertical columns (1) are fixed and connected through a plurality of layers of first rectangular frame rods (6) and second rectangular frame rods (7).

4. The support structure for laying the waterproof plate of the tunnel inverted arch according to claim 1, characterized in that: The horizontal wheel group (16) comprises a first wheel frame (9) fixed on the side wall of the platform frame (8), a first roller (10) rotatably arranged on the first wheel frame (9), and the first roller (10) is in contact and fit with the upper slide (17).

5. The support structure for laying the waterproof plate of the tunnel inverted arch according to claim 3, characterized in that: The vertical wheel group (15) comprises a wheel frame vertical column (14) fixed at the bottom end of the bottom horizontal rod (5), a second wheel frame (3) fixed at the bottom end of the wheel frame vertical column (14), a second roller (4) rotatably arranged on the second wheel frame (3), and the second roller (4) is in contact and fit with the lower slide (18).

6. The support structure for laying the waterproof plate of the tunnel inverted arch according to claim 1, characterized in that: The upper slide (17) and the lower slide (18) are respectively connected with the inside of the tunnel through L-shaped anchor bars (19).

7. The tunnel invert waterproofing sheet laying support structure according to claim 6, characterized by: The upper slide (17) and the lower slide (18) are respectively cut from angle steel materials.

8. The support structure for laying the waterproof plate of the tunnel inverted arch according to claim 3, characterized in that: The triangular support frame structure adopts an obtuse triangle structure, the center of gravity of which is located on the center of the upper slide (17) and the lower slide (18) and is deviated from the initial support side of the tunnel, so that the triangular support frame structure will not tilt to the center side of the tunnel during use.

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