Tunnel lining trolley with adjustable brackets

Abstract

The utility model relates to the technical field of building construction, in particular to a tunnel lining trolley with an adjustable bracket, which comprises a main frame body and a base, and a supporting component and a walking component are arranged on the base. A template component is further arranged on the main frame body, the template component comprises a first template and a second template, a first hydraulic telescopic rod and a plugging block are further arranged below the first template, the face, facing the main body circular arch, of the plugging block is a deformation part, and the deformation part is made of a flexible rubber material; the first hydraulic telescopic rod is used for pushing the plugging block to move towards the main body circular arch, and then the deformation part abuts against the surface of the main body circular arch. According to the flue plate bracket plugging device, the plugging block is pushed by the first hydraulic telescopic rod, so that the deformation part is propped against the surface of the main body circular arch, and the fit clearance between the first template and the main body circular arch can be plugged, so that concrete grout is effectively prevented from leaking from the fit clearance between the first template and the main body circular arch during pouring construction, and the forming quality of a flue plate bracket is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a tunnel lining trolley with adjustable brackets. Background Art

[0002] Tunnel lining refers to a permanent structure that supports and maintains the long-term stability and durability of a tunnel. Its functions include: supporting and maintaining tunnel stability; maintaining the space required for vehicle operation; preventing weathering of the surrounding rock; and relieving the impact of groundwater.

[0003] At present, when a corbel structure for flue plate construction is provided in a tunnel, the flue corbel usually needs to be cast after the main arch lining is formed. In order to improve the efficiency of construction, the Chinese utility model patent with application number CN202322018687.9 discloses a formwork trolley for the cast-in-place flue plate corbel structure in an ultra-large diameter shield highway tunnel, which includes a frame, a walking unit arranged at the bottom of the frame and capable of walking or positioning, a formwork unit arranged at the top of the frame, and a reinforcement unit. The formwork unit includes a corbel formwork, a driving component for driving the corbel formwork close to or away from the inner wall of the tunnel, wherein the corbel formwork includes a lower formwork connected to the frame and an upper formwork rotatably connected above the lower formwork, and when the corbel formwork is close to the inner wall of the tunnel, a casting cavity with an open top is formed between the lower formwork, the upper formwork, and the inner wall of the tunnel; the reinforcement unit includes a first reinforcement bracket and a second reinforcement bracket. During casting, the first reinforcement bracket forms a lateral support force on the upper formwork and / or the lower formwork, and the second reinforcement bracket and the frame form a vertical support force on the upper formwork and the lower formwork respectively. Compared with the existing technology, the utility model can realize automatic mold closing and demoulding, which is simple and convenient to operate, safe in construction, and can effectively improve construction efficiency; on the other hand, it increases the strength of the template during pouring, prevents deformation, and ensures smooth pouring. However, there are still some shortcomings, as described below:

[0004] In the prior art, the surface of the main arch molding cannot be made absolutely flat. When the corbel casting template is in contact with the surface of the main arch, there is a certain gap between the two. During the casting construction of the corbel, concrete slurry is easy to seep out from the gap at the junction of the template and the main arch, causing the arch surface to be contaminated and affecting the molding quality of the corbel to a certain extent.

[0005] Therefore, in the pouring construction of the flue plate corbel, how to prevent the concrete slurry from seeping out from the gap between the pouring formwork and the main arch is a technical problem that needs to be solved urgently in the existing technology. Utility Model Content

[0006] The purpose of the utility model is to provide a tunnel lining trolley with an adjustable corbel, in order to address the problem that the surface of the main arch molding in the prior art cannot be made absolutely flat, and when the corbel casting template abuts the surface of the main arch, a certain gap exists at the joint between the two. During the casting construction of the corbel, concrete slurry easily seeps out from the gap at the junction of the template and the main arch, causing the surface of the arch to be contaminated and affecting the molding quality of the corbel to a certain extent.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A tunnel lining trolley with adjustable brackets, comprising a main frame and a base, wherein the main frame is arranged on the base, the main frame is used to form a construction platform at the height of the flue plate brackets, and the base is provided with a supporting component and a traveling component, the supporting component is used to fix the base, and the traveling component is used to move the base;

[0009] The main frame is also provided with a template component, which is used to form a casting cavity for the flue plate corbel; the template component includes a first template and a second template, the first template corresponds to the bottom surface of the flue plate corbel, and the second template corresponds to the side surface of the flue plate corbel,

[0010] A first hydraulic telescopic rod and a blocking block are also provided under the first template. The first hydraulic telescopic rod is connected to the main frame. The blocking block is provided at the end of the first hydraulic telescopic rod, and the blocking block is in contact with the bottom surface of the first template. The side of the blocking block facing the main arch is a deformation part, and the deformation part is made of flexible rubber material. The first hydraulic telescopic rod is used to push the blocking block toward the direction of the main arch, thereby making the deformation part abut against the surface of the main arch.

[0011] Preferably, a pad is further provided at the bottom of the first template, the pad protrudes from the bottom of the first template, and the pad is provided at a position corresponding to the blocking block.

[0012] Preferably, the planar size of the cushion block is smaller than the planar size of the blocking block.

[0013] Preferably, an obtuse angle is formed between the side surface of the cushion block and the top surface of the blocking block.

[0014] Preferably, the spacer block and the first template are detachably connected.

[0015] Preferably, a second hydraulic telescopic rod is further provided on the main frame, the second hydraulic telescopic rod is connected to the first template, and the second hydraulic telescopic rod is used to drive the template component to slide in the vertical direction.

[0016] Preferably, the first template and the second template are an integral structure.

[0017] Preferably, a force transmission cross bar is provided between the hydraulic telescopic rod and the first template, and the force transmission cross bar is used to disperse the force applied by the hydraulic telescopic rod to the first template.

[0018] Preferably, the top elevation of the second template is greater than the top elevation of the flue plate corbel.

[0019] Preferably, a protective net is provided on the outer surface of the main frame.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0021] 1. The tunnel lining trolley with adjustable corbels described in the utility model utilizes the first hydraulic telescopic rod to push the blocking block, causing the deformed portion to abut against the surface of the main arch, thereby sealing the fitting gap between the first formwork and the main arch, thereby effectively preventing concrete slurry from leaking from the fitting gap between the two during pouring construction and ensuring the molding quality of the flue plate corbels. Furthermore, in this embodiment, the first hydraulic telescopic rod cooperates with the blocking block to support the first formwork, thereby improving the stability of the casting cavity formed by the formwork component.

[0022] 2. In the tunnel lining trolley with adjustable corbels described in the present invention, the provision of the pads allows a gap to be formed between the deformable portion and the first formwork, preventing the deformable portion from contacting the first formwork when squeezed. Alternatively, when the deformable portion is squeezed, the resulting deformation can be transferred more toward the gap, thereby weakening the force of the deformable portion pushing upward against the first formwork, thereby effectively suppressing the deformation of the first formwork and improving the forming quality of the flue plate corbels. Furthermore, in this embodiment, the pads can also be used to scrape away concrete slurry solidified on the surface of the sealing block and / or the deformable portion, enhancing the practicality of the present invention in actual construction use.

[0023] 3. The utility model discloses a tunnel lining trolley with an adjustable corbel. The second hydraulic telescopic rod is provided to support the first formwork, further improving the stability of the flue plate corbel concrete pouring cavity and ensuring the quality of the flue plate corbel's formation. Furthermore, in this embodiment, the second hydraulic telescopic rod can be used to adjust the elevation of the corbel concrete pouring cavity formed by the formwork component. This allows the utility model to be used interchangeably in different engineering projects, improving its versatility and, to a certain extent, saving the construction cost of the flue plate corbel. Furthermore, in this embodiment, after the flue plate corbel concrete is poured and formed, shortening the second hydraulic telescopic rod drives the formwork component downward as a whole, loosening the formwork component that is attached to the flue plate corbel concrete and improving the efficiency of the demolding operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of a tunnel lining trolley with adjustable brackets;

[0025] Figure 2 yes Figure 1 Schematic diagram of the structure of A.

[0026] Markings in the figure: 1-main frame, 2-base, 3-support component, 4-traveling component, 5-template component, 6-first template, 7-second template, 8-first hydraulic telescopic rod, 9-blocking block, 10-deformation part, 11-pad, 12-second hydraulic telescopic rod, 13-force transmission cross bar, 14-main arch. DETAILED DESCRIPTION

[0027] The present invention will be described in detail below with reference to the accompanying drawings.

[0028] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them.

[0029] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein can be combined with each other.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0032] In the description of this utility model, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the inventive product is typically placed when in use, or the orientations or positional relationships commonly understood by those skilled in the art. Such terms are intended solely to facilitate the description of this utility model and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" and the like are used solely for distinction and description and should not be construed as indicating or implying relative importance.

[0033] Example 1: Figure 1 and Figure 2 As shown, the tunnel lining trolley with adjustable brackets described in the utility model includes a main frame 1 and a base 2. The main frame 1 is arranged on the base 2. The main frame 1 is used to form a construction platform at the bracket elevation of the flue plate. A supporting component 3 and a walking component 4 are provided on the base 2. The supporting component 3 is used to fix the base 2, and the walking component 4 is used to move the base 2.

[0034] The main frame 1 is further provided with a template component 5, which is used to form a casting cavity for the flue plate corbel; the template component 5 includes a first template 6 and a second template 7, wherein the first template 6 corresponds to the bottom surface of the flue plate corbel, and the second template 7 corresponds to the side surface of the flue plate corbel.

[0035] A first hydraulic telescopic rod 8 and a blocking block 9 are also provided below the first template 6. The first hydraulic telescopic rod 8 is connected to the main frame 1. The blocking block 9 is provided at the end of the first hydraulic telescopic rod 8, and the blocking block 9 is in contact with the bottom surface of the first template 6. The side of the blocking block 9 facing the main arch 14 is a deformation part 10, and the deformation part 10 is made of flexible rubber material. The first hydraulic telescopic rod 8 is used to push the blocking block 9 toward the main arch 14, so that the deformation part 10 is in contact with the surface of the main arch 14.

[0036] By adopting a tunnel lining trolley with an adjustable corbel as described in the present invention, the first hydraulic telescopic rod 8 is used to push the blocking block 9, so that the deformation part 10 abuts against the surface of the main arch 14, thereby sealing the fitting gap between the first template 6 and the main arch 14, thereby effectively avoiding the leakage of concrete slurry from the fitting gap between the two during pouring construction, and ensuring the molding quality of the flue plate corbel; and, in this embodiment, the first hydraulic telescopic rod 8 is used in conjunction with the blocking block 9 to support the first template 6, thereby improving the stability of the template component 5 in forming the casting cavity.

[0037] Specifically, in this embodiment, the walking component 4 includes a roller, a drive motor and a battery. The drive motor can drive the roller to rotate clockwise or counterclockwise. The setting of the walking component 4 can improve the convenience of transporting the column frame; the supporting component 3 includes a hydraulic support leg and a plurality of hydraulic diagonal braces. In actual use, when the main frame 1 is moved to the construction site, the hydraulic support legs are used to support the base 2, and then the hydraulic diagonal braces are abutted against the ground on one side of the tunnel center to complete the fixation of the base 2; the main frame 1 is assembled with steel pipes with a specification of Φ48.3×3.6, and the template component 5 is divided into several sections along its length direction, and the template component 5 is fixed to the main frame 1 with bolts.

[0038] During the demoulding operation of this embodiment, the construction workers first need to use a hammer to strike the formwork component 5 to form a gap between the formwork component 5 and the flue plate corbel concrete, and then retract the hydraulic support legs and the hydraulic diagonal braces, and then extend the first hydraulic telescopic rod 8 to make the blocking block 9 abut against the main arch 14 to provide a reaction force. Under the action of the reaction force, the lining trolley can move toward the middle of the tunnel, thereby completing the demoulding operation of the flue plate corbel concrete.

[0039] Example 2: Figure 2 As shown, the tunnel lining trolley with adjustable corbels described in the utility model is further provided with a pad 11 at the bottom of the first template 6 on the basis of the above method. The pad 11 protrudes from the bottom of the first template 6, and the pad 11 is provided at the position corresponding to the blocking block 9.

[0040] In this embodiment, the provision of the spacer 11 can form a gap between the deformable portion 10 and the first template 6. When the deformable portion 10 is squeezed, it can prevent it from coming into contact with the first template 6. Alternatively, when the deformable portion 10 is squeezed, the deformation generated by it can be transferred to a larger portion of the gap, thereby weakening the force of the deformable portion 10 pushing the first template 6 upward, thereby effectively suppressing the deformation generated by the first template 6 and improving the forming quality of the flue plate corbel. In addition, in this embodiment, the spacer 11 can also be used to scrape off the concrete slurry solidified on the surface of the blocking block 9 and / or the deformable portion 10, thereby improving the practicality of the new type in actual construction use.

[0041] Specifically, the operation of scraping off the concrete slurry solidified on the surface of the blocking block 9 and / or the deformable part 10 is: repeatedly extending / shortening the first hydraulic telescopic rod 8 multiple times, so that the surface of the blocking block 9 and the deformable part 10 passes through the position where the pad 11 is set, so that the concrete slurry solidified on the surface of the blocking block 9 and / or the deformable part 10 can fall off.

[0042] As a preferred embodiment, based on the above method, the planar dimensions of the spacer block 11 are further smaller than the planar dimensions of the blocking block 9. This structural arrangement can increase the accommodation space of the formed gap, further weaken the force of the deformable portion 10 pushing the first template 6 upward, reduce the deformation of the first template 6, and improve the forming quality of the flue plate corbel.

[0043] As a preferred embodiment, based on the above method, the side surface of the pad 11 further forms an obtuse angle with the top surface of the blocking block 9. With this structural arrangement, during the operation of scraping concrete slurry, the side surface of the pad 11 can more stably adhere to the surfaces of the blocking block 9 and the deformable portion 10. In this way, the pad 11 can more thoroughly scrape off the concrete slurry solidified on the surfaces of the blocking block 9 and / or the deformable portion 10, thereby further improving the practicality of the new design in actual construction use.

[0044] As a preferred embodiment, based on the above method, further, the spacer block 11 and the first template 6 are detachably connected.

[0045] Specifically, the pad 11 in this embodiment is made of a hard plastic material to prevent damage to the deformable portion 10 during the scraping of the solidified concrete slurry. Bolts are used to connect the pad 11 to the first formwork 6. This structure facilitates replacement of the pad 11 when it becomes worn, further enhancing the practicality of the present invention in actual construction.

[0046] Example 3: Figure 1 and Figure 2 As shown, the tunnel lining trolley with adjustable corbels described in the utility model is further provided with a second hydraulic telescopic rod 12 on the basis of the above method on the main frame 1, and the second hydraulic telescopic rod 12 is connected to the first template 6, and the second hydraulic telescopic rod 12 is used to drive the template component 5 to slide in the vertical direction.

[0047] In this embodiment, the second hydraulic telescopic rod 12 is provided to support the first formwork 6, further improving the stability of the flue plate corbel concrete casting cavity and ensuring the quality of the flue plate corbel molding. Furthermore, in this embodiment, the second hydraulic telescopic rod 12 can adjust the elevation of the corbel concrete casting cavity formed by the formwork component 5. This allows the present invention to be used interchangeably in different engineering projects, improving its versatility and reducing the construction cost of the flue plate corbel to a certain extent. Furthermore, in this embodiment, after the flue plate corbel concrete is cast and formed, shortening the second hydraulic telescopic rod 12 drives the formwork component 5 downward as a whole, loosening the formwork component 5 that is attached to the flue plate corbel concrete and improving the efficiency of the demolding operation.

[0048] As a preferred embodiment, based on the above method, the first template 6 and the second template 7 are further integrated into one structure. This structural arrangement further improves the stability of the concrete pouring cavity formed by the template component 5 and ensures the molding quality of the flue plate corbel.

[0049] As a preferred embodiment, based on the above method, a force transmission cross bar 13 is further provided between the hydraulic telescopic rod and the first template 6. The force transmission cross bar 13 is used to disperse the force applied by the hydraulic telescopic rod to the first template 6. This structural arrangement can reduce the risk of damage to the first template 6.

[0050] As a preferred embodiment, based on the above approach, the top elevation of the second formwork 7 is further increased to be greater than the top elevation of the flue plate corbel. This structural arrangement prevents concrete from overflowing from the top of the second formwork 7 during pouring, thereby contaminating the lining trolley and further improving the practicality of the present invention.

[0051] As a preferred embodiment, based on the above method, further, a protective net is provided on the outer surface of the main frame 1. This structural setting improves the safety of the new type in actual construction use.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A tunnel lining trolley with adjustable brackets, characterized in that: It includes a main frame and a base, wherein the main frame is arranged on the base, and the main frame is used to form a construction platform at the height of the flue plate corbel. The base is provided with a supporting component and a walking component, wherein the supporting component is used to fix the base, and the walking component is used to move the base; The main frame is also provided with a template component, which is used to form a casting cavity for the flue plate corbel; the template component includes a first template and a second template, the first template corresponds to the bottom surface of the flue plate corbel, and the second template corresponds to the side surface of the flue plate corbel, A first hydraulic telescopic rod and a blocking block are also provided under the first template. The first hydraulic telescopic rod is connected to the main frame. The blocking block is provided at the end of the first hydraulic telescopic rod, and the blocking block is in contact with the bottom surface of the first template. The side of the blocking block facing the main arch is a deformation part, and the deformation part is made of flexible rubber material. The first hydraulic telescopic rod is used to push the blocking block toward the direction of the main arch, thereby making the deformation part abut against the surface of the main arch.

2. The tunnel lining trolley with adjustable brackets according to claim 1, characterized in that: A pad is further provided at the bottom of the first template. The pad protrudes from the bottom of the first template and is provided at a position corresponding to the blocking block.

3. The tunnel lining trolley with adjustable brackets according to claim 2, characterized in that: The planar size of the cushion block is smaller than the planar size of the blocking block.

4. The tunnel lining trolley with adjustable brackets according to claim 3, characterized in that: An obtuse angle is formed between the side surface of the cushion block and the top surface of the blocking block.

5. The tunnel lining trolley with adjustable brackets according to claim 4, characterized in that: The spacer block and the first template are detachably connected.

6. The tunnel lining trolley with adjustable brackets according to any one of claims 1 to 5, characterized in that: The main frame is also provided with a second hydraulic telescopic rod, which is connected to the first template and is used to drive the template component to slide in the vertical direction.

7. The tunnel lining trolley with adjustable brackets according to claim 6, characterized in that: The first template and the second template are an integrated structure.

8. The tunnel lining trolley with adjustable brackets according to claim 6, characterized in that: A force transmission cross bar is provided between the hydraulic telescopic rod and the first template, and the force transmission cross bar is used to disperse the force applied by the hydraulic telescopic rod to the first template.

9. The tunnel lining trolley with adjustable brackets according to claim 1, characterized in that The top elevation of the second template is greater than the top elevation of the flue plate corbel.

10. The tunnel lining trolley with adjustable brackets according to claim 1, characterized in that: The outer surface of the main frame is provided with a protective net.

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