Gradient formwork device for tunnel special-shaped section lining construction
Through the supporting support of the gradient formwork device and the lining trolley, the problem of difficult to control the shape of artificial support in traditional tunnel lining construction is solved, and safety and efficiency are improved, and costs are reduced.
Patent Information
- Application Number
- CN202422619058.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-10-29
AI Technical Summary
In traditional tunnel lining construction, it is difficult to control the shape of the manual high-altitude support formwork, consume a lot of manpower and material resources, have high safety risks, low construction efficiency, and difficult to ensure quality.
Gradient template devices are adopted, including gradient template groups, large-diameter end templates, small-diameter end templates, middle gradient templates, etc., and are equipped with lined trolley support, replacing small templates or wooden board support, reducing the risk of high-altitude operations, ensuring safety, and improving construction efficiency and quality.
It reduces the risk of high-altitude operations, shortens the construction period, improves construction efficiency and quality, saves costs, and avoids the phenomenon of excessive bubbles and construction joints.
Smart Images
Figure CN223164535U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a template device for constructing a tunnel special-shaped section lining, in particular to a gradient template device for constructing a tunnel special-shaped section lining. Background Art
[0002] At present, during the construction of a tunnel special-shaped section lining, in the traditional construction method, small templates or wooden boards are generally assembled, and the lining construction is carried out by manual high-altitude operation support. It is difficult to control the shape of the manually supported template, and it is difficult to achieve the expected effect. It consumes a large amount of manpower and material resources, has a high safety risk, low efficiency, and reduces the construction efficiency and progress; there are air bubbles in the lining, and the flatness of the construction joints often cannot be achieved, affecting the construction quality; due to the above-mentioned many reasons, a gradient template device for constructing a tunnel special-shaped section lining is now proposed. Summary of the Utility Model
[0003] The purpose of the utility model is to overcome the problems in the traditional lining construction method using small templates or wooden boards assembled with manual high-altitude operation support, such as difficult control of the shape of the manually supported template, consumption of a large amount of manpower and material resources, high safety risk, low efficiency, reduction of construction efficiency and progress; affecting construction quality; through reasonable design, a gradient template device for constructing a tunnel special-shaped section lining is provided; the gradient template device of the utility model is supported in cooperation with a lining trolley, replacing the small template or wooden board support, reducing the risk of high-altitude operation, ensuring the safety of operators, shortening the construction period, improving the construction efficiency, and effectively avoiding the phenomena of air bubbles and excessive construction joints in construction; the gradient template device can be reused, saving construction costs and improving the quality of special-shaped secondary lining construction.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme: a gradient template device for constructing a tunnel special-shaped section lining, which is composed of: a gradient template group, a large-diameter end template, a small-diameter end template, a middle gradient template, a gradient middle-diameter flange, a gradient small-diameter flange, a working window, a gradient large-diameter flange, an inner arch frame, an inner arch support frame, a template trolley, and a trolley gantry; a gradient template group is arranged at one end outside the template trolley. The gradient template group is arranged in a gradually changing shape from small to large according to the special-shaped tunnel construction section. The diameters of the gradient template group are sequentially provided with a small-diameter end template, at least three middle gradient templates, and a large-diameter end template from small to large. Working windows are evenly distributed on the small-diameter end template, at least three middle gradient templates, and the large-diameter end template.
[0005] At least three middle gradient templates are arranged between the small end of the large-diameter end template and the large end of the small-diameter end template. Gradient large-diameter flanges are respectively arranged at both ends inside the large-diameter end template, gradient small-diameter flanges are respectively arranged at both ends inside the small-diameter end template, and gradient middle-diameter flanges are respectively arranged at both ends inside the middle gradient template; the gradient large-diameter flanges, the gradient middle-diameter flanges, and the gradient small-diameter flanges are respectively set according to the diameters of the template gradients.
[0006] Inner arch frames are respectively arranged inside the large-diameter end template and the middle gradient template, and inner arch support frames are evenly arranged between the large-diameter end template, the middle gradient template and the inner arch frames; portal frames of the formwork trolley are evenly arranged between the front end and the rear end of the formwork trolley, and lead screws are arranged between the small-diameter end template, the inner arch frame and the formwork trolley respectively.
[0007] Beneficial effects: The gradient template device of the present utility model is matched with the lining trolley for support, replaces the support of small templates or wooden boards, reduces the risk of high-altitude operations, ensures the safety of operators, shortens the construction period, improves the construction efficiency, and effectively avoids the phenomena of air bubbles and excessive construction joints existing in the construction; the gradient template device can be reused, saves the construction cost, and can improve the quality of special-shaped secondary lining construction. Description of the Drawings
[0008] The present utility model will be further described below with reference to the drawings:
[0009] Figure 1 is the overall assembly structure schematic diagram;
[0010] Figure 2 is Figure 1 the three-dimensional overall assembly structure schematic diagram of
[0011] Figure 3 is Figure 1 the partial structure schematic diagram of the large-diameter end template of
[0012] Figure 4 is Figure 1 the partial structure schematic diagram of the middle gradient template of
[0013] Figure 5 is Figure 1 the partial structure schematic diagram of the small-diameter end template of
[0014] Figure 6 is Figure 1 the combined structure schematic diagram of with the trolley;
[0015] Figure 7 is Figure 6 the side view structure schematic diagram of
[0016] Figure 1 、 2, 3, 4, 5, 6, 7: gradual change formwork group 1, large diameter end formwork 2, small diameter end formwork 3, middle gradual change formwork 4, gradual change middle diameter flange 4-1, gradual change small diameter flange 5, working window 6, gradual change large diameter flange 7, inner arch frame 8, inner arch support frame 9, formwork trolley 10, trolley gantry 11. DETAILED DESCRIPTION
[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
[0018] A gradual template group 1 is provided at one end of the outer side of the template trolley 10. The gradual template group 1 is set to a gradual deformation from small to large according to the construction section of the special-shaped tunnel. The diameter of the gradual template group 1 is arranged in order from small to large, including a small diameter end template 3, at least three middle gradual templates 4, and a large diameter end template 2. Working windows 6 are evenly distributed on the small diameter end template 3, at least three middle gradual templates 4, and the large diameter end template 2.
[0019] At least three middle gradual templates 4 are set between the small end of the large diameter end template 2 and the large end of the small diameter end template 3. The two ends of the inner side of the large diameter end template 2 are respectively provided with gradual large diameter flanges 7, the two ends of the inner side of the small diameter end template 3 are respectively provided with gradual small diameter flanges 5, and the two ends of the inner side of the middle gradual template 4 are respectively provided with gradual medium diameter flanges 4-1; the gradual large diameter flanges 7, the gradual medium diameter flanges 4-1, and the gradual small diameter flanges 5 correspond to the gradual diameter settings of the templates respectively.
[0020] Inner arch frames 8 are respectively arranged on the inner sides of the large diameter end template 2 and the middle gradual template 4, and inner arch support frames 9 are evenly arranged between the large diameter end template 2, the middle gradual template 4 and the inner arch frames 8; a trolley door frame 11 is evenly arranged between the front and rear ends of the template trolley 10, and screw rods are respectively arranged between the small diameter end template 3, the inner arch frame 8 and the template trolley 10.
Claims
1. A variable-template device for the construction of a tunnel with a special-shaped cross-section lining, which consists of: a variable-template group (1), a large-diameter end template (2), a small-diameter end template (3), a middle variable template (4), a variable middle-diameter flange (4-1), a variable small-diameter flange (5), a working window (6), a variable large-diameter flange (7), an inner arch frame (8), an inner arch support frame (9), a formwork trolley (10), and a trolley gantry (11); characterized in that: A set of tapered formwork (1) is provided at one outer end of the formwork trolley (10). The tapered formwork set (1) is tapered from small to large according to the construction section of the special-shaped tunnel. The diameters of the tapered formwork set (1) are successively set with a small-diameter end formwork (3), at least three middle tapered formworks (4), and a large-diameter end formwork (2) from small to large. Working windows (6) are evenly distributed on the small-diameter end formwork (3), at least three middle tapered formworks (4), and the large-diameter end formwork (2).
2. The variable cross-section formwork device for tunnel special-shaped section lining construction according to claim 1, characterized in that: At least three middle tapered formworks (4) are provided between the small end of the large-diameter end formwork (2) and the large end of the small-diameter end formwork (3). Gradually enlarged large-diameter flanges (7) are respectively provided at both inner ends of the large-diameter end formwork (2), gradually reduced small-diameter flanges (5) are respectively provided at both inner ends of the small-diameter end formwork (3), and gradually changed middle-diameter flanges (4-1) are respectively provided at both inner ends of the middle tapered formwork (4); the gradually enlarged large-diameter flanges (7), the gradually changed middle-diameter flanges (4-1), and the gradually reduced small-diameter flanges (5) are respectively set according to the tapered diameters of the formwork.
3. The variable template device for the construction of a tunnel special-shaped cross-section lining according to claim 1, characterized in that: Inner arch frames (8) are respectively provided inside the large-diameter end formwork (2) and the middle tapered formwork (4). Inner arch support frames (9) are evenly distributed between the large-diameter end formwork (2), the middle tapered formwork (4) and the inner arch frames (8); Gantry frames (11) are evenly distributed between the front end and the rear end of the formwork trolley (10). Lead screws are provided between the small-diameter end formwork (3), the inner arch frame (8) and the formwork trolley (10) respectively.