Template supporting device for overwater cantilever structure

Abstract

The utility model provides a template supporting device for an overwater cantilever structure, which belongs to the technical field of reservoir danger removal and reinforcement engineering and comprises a second I-shaped steel supporting piece, a suspension supporting frame, a suspender and a second inclined strut which are vertically and fixedly mounted on the side surface of a dam body. According to the utility model, the template supporting device consisting of the second I-shaped steel supporting piece, the suspension supporting frame, the suspender and the second inclined strut is designed, so that the template supporting device does not need to be supported from the bottom of the dam body and is suitable for pouring and reinforcing concrete from the elevation of 79.0 m on the upstream surface of the dam body, and the second inclined strut is arranged on the outer side of the second I-shaped steel supporting piece; and therefore, a template is convenient to install, and concrete pouring is convenient to carry out.

Description

Technical Field

[0001] The utility model relates to the technical field of reservoir risk elimination and reinforcement engineering, in particular to a template supporting device for an overwater cantilever structure. Background Art

[0002] During the construction of the reservoir reinforcement project, a 1.0m thick layer of reinforced concrete was vertically poured on the upstream side of the dam body starting from an elevation of 79.0m. To prevent silt at the bottom of the reservoir from flowing down and blocking the downstream river channel, the water level in the reservoir area could only be controlled between 76.5m and 77.0m. As the 1.0m thick reinforced concrete was directly cantilevered from the old dam body, a cantilever structure formwork support device was required.

[0003] Traditional reservoir hazard prevention and reinforcement generally adopts the method of emptying the reservoir and pouring concrete directly from the rock foundation on the upstream side of the dam body. Considering the silt problem at the bottom of the reservoir, this method is difficult to implement. Due to the unstable water level in the reservoir, it is very difficult to use floating boats for support, and the construction environment is poor.

[0004] In order to ensure the installation of reinforced concrete formwork and the passage needs of construction personnel, it is necessary to design a cantilever formwork support device to meet construction requirements. Utility Model Content

[0005] In order to solve the problem that the reinforcement concrete cannot be well supported when it is vertically poured on the old dam body, the utility model provides a template support device for the overwater cantilever structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A formwork support device for an overwater cantilever structure, comprising:

[0008] A second I-beam support member vertically fixedly installed on the side of the dam body;

[0009] A suspension support frame, wherein the suspension support frame is fixedly mounted on the top of the dam body, and a load-bearing inclined support frame is extended from the suspension support frame toward one side of the second I-beam support member;

[0010] A suspension rod, wherein the suspension rod has multiple sections, the multiple sections of the suspension rod are vertically arranged, and the head and tail ends are fixedly connected to each other to form a diagonal support suspension frame;

[0011] The second I-beam support members are vertically arranged in multiple layers, and a second diagonal brace is fixedly connected between the end of each layer of the second I-beam support members and the diagonal brace suspension frame;

[0012] The second diagonal brace corresponding to the second I-beam support member located at the bottom layer is a tension diagonal brace, and the second diagonal braces corresponding to the remaining second I-beam support members are compression diagonal braces.

[0013] Preferably, the suspension support frame comprises:

[0014] A support frame, the bottom end of which is fixedly mounted on the top of the dam body, and the top end of which is fixedly connected with an inverted "triangle" frame body;

[0015] An auxiliary inclined bracket, wherein the first end of the auxiliary inclined bracket is fixedly mounted on the inverted "triangle" frame, and the second end of the auxiliary inclined bracket is fixedly mounted on the top of the dam body;

[0016] One end of the load-bearing inclined bracket is fixedly connected to the inverted "triangle" frame body.

[0017] Preferably, the inverted "triangle" frame includes:

[0018] A cross bar, the cross bar is vertically fixedly mounted on the top of the support frame;

[0019] The two ends of the V-shaped frame are respectively fixedly connected to the two ends of the cross bar, and the bottom of the V-shaped frame is fixedly connected to the support frame.

[0020] Preferably, a stabilizing frame is fixedly connected between the supporting frame and the dam body.

[0021] Preferably, a second guardrail is fixedly connected to the top of the second I-beam support, and the second guardrail is located on the inner side of the second diagonal brace.

[0022] Preferably, a plurality of the second I-beam support members are provided on each layer, and a scaffolding board is fixedly installed on the top of the plurality of the second I-beam support members located on the same layer.

[0023] Beneficial effects of the utility model: The utility model, through the design of the second I-beam support, the suspension support frame, the hanger and the second diagonal brace composed of the formwork support device, does not need to be supported from the bottom of the dam body, is suitable for pouring reinforced concrete from the upstream surface of the dam body at an elevation of 79.0m, and the second diagonal brace is arranged on the outside of the second I-beam support, not close to the side of the dam body, so as to facilitate the installation of the formwork and the pouring of concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate a formwork support device for a cantilever structure above water, the following drawings are shown;

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a schematic diagram of an existing cantilever structure.

[0027] The reference numerals in the accompanying drawings:

[0028] 1. Dam body; 2. First I-beam support; 3. First diagonal brace; 4. First guardrail; 5. Second I-beam support; 6. Second guardrail; 7. Support frame; 8. Auxiliary diagonal brace; 9. Stabilizing frame; 10. Cross bar; 11. V-shaped frame; 12. Load-bearing diagonal brace; 13. Hanger rod; 14. Second diagonal brace; 14a. Tension diagonal brace. DETAILED DESCRIPTION

[0029] Please refer to the attached Figure 1 A formwork support device for an above-water cantilever structure includes a second I-beam support 5 vertically fixedly installed on the side of a dam body 1, a suspension support frame, a hanger 13 and a second diagonal brace 14.

[0030] Among them, the suspension support frame is fixedly installed on the top of the dam body 1, and the suspension support frame extends a force-bearing inclined bracket 12 on one side of the cantilevered second I-beam support member 5. The second I-beam support member 5 is the main cantilever force-bearing component. The suspension rod 13 has multiple sections, and the multiple sections of the suspension rod 13 are vertically arranged, and the head and tail ends are fixedly connected to each other to form an inclined brace suspension frame for installing the second inclined brace 14. The second I-beam support member 5 is vertically arranged with multiple layers, and the end of each layer of the second I-beam support member 5 is fixedly connected to the inclined brace suspension frame with a second inclined brace 14, and the second inclined brace 14 corresponding to the second I-beam support member 5 located at the bottom layer is a tensioned inclined brace 14a, and the remaining second I-beam supports are The second diagonal brace 14 corresponding to 5 is a compressive diagonal brace. The design of the multi-section hanger 13 must take its own weight into consideration. The second I-beam support 5 that is not in construction is used in conjunction with the compressed second diagonal brace 14 to provide auxiliary support for the self-weight of the hanger 13. The second I-beam support 5 at the bottom layer needs to support the formwork and workers, and the corresponding second diagonal brace 14 is a tensile diagonal brace 14a, which is used to increase the supporting strength of the second I-beam support 5. After the concrete is poured on this layer, the corresponding second I-beam support 5 at the bottom layer is removed, and the second I-beam support 5 at the next lower layer becomes the second I-beam support at the bottom layer.

[0031] Reference Figure 2, which is a common cantilever structure, wherein the first I-beam support member 2 is a cantilever load-bearing component, and the first diagonal brace 3 is used to provide auxiliary support from the bottom of the first I-beam support member 2. During the dam body reinforcement construction process, the template is installed in layers from bottom to top. Affected by the first diagonal brace 3 above, the installation of the template is inconvenient, and the poured concrete must separate the first diagonal brace 3, so that the first diagonal brace 3 can be removed later, which greatly affects the progress of the construction. However, if the diagonal brace is not provided, the structural strength of the I-beam support member is difficult to ensure. The utility model, by fixing a suspension support frame on the top of the dam body 1 and installing a plurality of vertical hangers 13, a diagonal brace suspension frame is formed, so that the second diagonal brace 14 can be located on the outside of the second I-beam support member 5, which does not affect the construction of concrete, improves the construction efficiency, and shortens the construction period.

[0032] In one embodiment, the suspension support frame includes: a support frame 7, an auxiliary inclined support frame 8 and an inverted "triangle" frame body.

[0033] Among them, the bottom end of the support frame 7 is fixedly installed on the top of the dam body 1, the top of the support frame 7 is fixedly connected with an inverted "triangle" frame, the first end of the auxiliary inclined frame 8 is fixedly installed on the inverted "triangle" frame, the second end of the auxiliary inclined frame 8 is fixedly installed on the top of the dam body 1, and one end of the force-bearing inclined frame 12 is fixedly connected to the inverted "triangle" frame.

[0034] The support frame 7 is the main force-bearing component, and relies on the inverted "triangle" frame to install the force-bearing inclined bracket 12, and the auxiliary inclined bracket 8 is designed to prevent the support frame 7 from tilting, thereby improving the overall structural strength.

[0035] In one embodiment, the inverted "triangle" frame includes: a cross bar 10 and a V-shaped frame 11; wherein the cross bar 10 is vertically fixedly installed on the top of the support frame 7, the two ends of the V-shaped frame 11 are respectively fixedly connected to the two ends of the cross bar 10, and the bottom of the V-shaped frame 11 is fixedly connected to the support frame 7.

[0036] The inverted "triangle" frame serves to install the load-bearing diagonal frame 12. The structure composed of the cross bar 10 and the V-shaped frame 11 is convenient for simultaneously bearing forces on both sides (i.e., the forces applied by the load-bearing diagonal frame 12 and the auxiliary diagonal frame 8), making the inverted "triangle" frame stable.

[0037] In one embodiment, a stabilizing frame 9 is fixedly connected between the supporting frame 7 and the dam body 1 , so as to further improve the stability of the connection between the supporting frame 7 and the dam body 1 .

[0038] In one embodiment, the second guardrail 6 is fixedly connected to the top of the second I-beam support 5. The second guardrail 6 is located on the inner side of the second diagonal brace 14, so that the second guardrail 6 is not likely to cause an accident to the outside, and the safety is higher.

[0039] In one embodiment, a plurality of second I-beam support members 5 are provided on each layer, and scaffolding boards are fixedly installed on the tops of the plurality of second I-beam support members 5 on the same layer, and the scaffolding boards are used for workers to walk on.

[0040] Those skilled in the art will readily come up with other embodiments of the present invention after considering the specification and practicing the disclosure of the present invention. This application is intended to cover any variations, uses or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art that are not disclosed in the present invention. The specification and examples are to be considered as exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0041] It should be understood that relational terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The utility model is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. A formwork support device for an overwater cantilever structure, comprising a second I-beam support member (5) vertically fixedly mounted on the side of a dam body (1), characterized in that: Also includes: A suspension support frame, the suspension support frame is fixedly mounted on the top of the dam body (1), and a load-bearing inclined support frame (12) is extended from the side of the suspension support frame cantilevered toward the second I-beam support member (5); A suspension rod (13), wherein the suspension rod (13) has multiple sections, the multiple sections of the suspension rod (13) are vertically arranged, and the head and tail ends are fixedly connected to each other to form a diagonal support suspension frame; The second I-beam support members (5) are vertically arranged in multiple layers, and a second diagonal brace (14) is fixedly connected between the end of the second I-beam support member (5) of each layer and the diagonal brace suspension frame; The second diagonal brace (14) corresponding to the second I-beam support member (5) located at the bottom layer is a tension diagonal brace (14a), and the second diagonal braces (14) corresponding to the remaining second I-beam support members (5) are compression diagonal braces.

2. A formwork support device for an overwater cantilever structure according to claim 1, characterized in that: The suspension support frame comprises: A support frame (7), the bottom end of the support frame (7) being fixedly mounted on the top of the dam body (1), and the top end of the support frame (7) being fixedly connected to an inverted "triangle" frame body; An auxiliary inclined bracket (8), wherein a first end of the auxiliary inclined bracket (8) is fixedly mounted to the inverted "triangle" frame body, and a second end of the auxiliary inclined bracket (8) is fixedly mounted to the top of the dam body (1); One end of the load-bearing inclined bracket (12) is fixedly connected to the inverted "triangle" frame body.

3. A formwork support device for an overwater cantilever structure according to claim 2, characterized in that: The inverted "triangle" frame includes: A cross bar (10), wherein the cross bar (10) is vertically fixedly mounted on the top of the support frame (7); A V-shaped frame (11), wherein two ends of the V-shaped frame (11) are respectively fixedly connected to two ends of the cross bar (10), and the bottom of the V-shaped frame (11) is fixedly connected to the support frame (7).

4. A formwork support device for an overwater cantilever structure according to claim 2 or 3, characterized in that: A stabilizing frame (9) is fixedly connected between the supporting frame (7) and the dam body (1).

5. The formwork support device for an overwater cantilever structure according to claim 1, characterized in that: A second guardrail (6) is fixedly connected to the top of the second I-beam support (5), and the second guardrail (6) is located on the inner side of the second diagonal brace (14).

6. The formwork support device for an overwater cantilever structure according to claim 1, characterized in that: A plurality of the second I-beam support members (5) are provided on each layer, and a scaffolding board is fixedly installed on the top of the plurality of the second I-beam support members (5) located on the same layer.

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