Cantilever steel formwork mounting structure
By designing the cantilever steel formwork installation structure, including brackets, formwork, adjustment components and connection components, the problems of low formwork installation efficiency and low cutting efficiency of embedded parts in the prior art are solved, and efficient formwork installation and the effect of reducing construction costs are achieved.
Patent Information
- Application Number
- CN202421554966.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-03
AI Technical Summary
In the existing gravity dam construction methods, the formwork installation efficiency is low, the non-vertical outer side walls need to adjust the formwork angle, and the embedded parts are cut in low efficiency, which increases construction costs.
Design a cantilever steel formwork installation structure, including brackets, formwork, adjustment components and connection components. Through the design of the rotating shaft and the mounting groove, the template can adjust the angle; the embedded parts bent to form a hook, and the connecting bolts and nuts are connected through the installation holes and threads to achieve the fixing and reuse of the bracket.
It improves the work efficiency of formwork installation, expands the scope of application of steel formwork installation structure, reduces construction costs, and simplifies the installation process by adjusting the design of components.
Smart Images

Figure CN222878643U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building construction, in particular to a cantilever steel template installation structure. Background Art
[0002] As a large-volume water-retaining structure, a gravity dam needs to meet stability and strength requirements under water pressure and other loads. In the existing gravity dam construction method, in order to increase the rockfill rate and reduce the amount of self-compacting concrete.
[0003] The current gravity dam construction method often adopts the back-frame high-strength formwork construction method. This construction mode has the following problems during use: the gravity dam needs to be constructed in sections, and the formwork needs to be installed in each section. The outer wall of the gravity dam is not vertical, and the angle of the formwork needs to be adjusted in the vertical direction, resulting in low work efficiency; second, in the process of layered upward pouring, embedded parts need to be used to connect with the formwork. The embedded parts can only be partially recovered by cutting after use. The inefficiency of the cutting process increases the construction cost. Utility Model Content
[0004] In view of this, the utility model aims to propose a cantilever steel formwork installation structure, in order to solve at least one of the above-mentioned technical problems.
[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:
[0006] A cantilever steel formwork installation structure, comprising:
[0007] A bracket, wherein the bracket is connected to the casting through a connecting assembly;
[0008] A template, wherein a rotating shaft is fixedly arranged at the lower end of the template, a mounting seat is fixedly arranged at the upper end of the bracket, a mounting groove is arranged in the mounting seat, the rotating shaft is installed at the inner side of the mounting groove, and the rotating shaft is rotatably connected with the mounting seat;
[0009] An adjustment component is used to adjust the angle between the template and the bracket.
[0010] Furthermore, the bracket is provided with a mounting hole 1;
[0011] The connection component comprises:
[0012] An embedded part, wherein the embedded part is bent to form a hook, and a screw rod 1 is fixed at the other end;
[0013] A connecting bolt, wherein the connecting bolt passes through the first mounting hole, and a pad is provided between the head of the connecting bolt and the bracket;
[0014] A connecting nut, wherein the connecting nut is a conical structure, one end of the connecting bolt is threadedly connected to the connecting bolt, and the other end is threadedly connected to the screw rod;
[0015] The outer diameter of one end of the connecting nut adjacent to the screw rod is larger than the outer diameter of the other end, and the outer diameter of one end of the connecting nut adjacent to the screw rod is larger than the diameter of the mounting hole one.
[0016] Furthermore, a hexagonal column is fixedly provided at one end of the connecting nut adjacent to the connecting bolt.
[0017] Furthermore, a positioning tube is fixedly provided at one end of the pad adjacent to the bracket, and the outer diameter of the positioning tube matches the inner diameter of the first mounting hole.
[0018] Furthermore, the bracket includes a vertical rod and a cross rod fixed to the top of the vertical rod, the cross rod and the vertical rod are connected by a diagonal brace, the number of the vertical rod and the cross rod are both two, and the vertical rods are connected by a connecting rod;
[0019] An adjusting threaded hole is provided at the bottom end of the vertical rod, and an adjusting bolt is arranged in the adjusting threaded hole.
[0020] Furthermore, a limiting threaded hole penetrating the mounting slot is formed on the mounting seat, the mounting slot opening is arranged upward, a limiting bolt is threadedly connected to the limiting threaded hole, and the limiting bolt limits the rotation axis.
[0021] Furthermore, the adjustment component includes:
[0022] A rotating tube, wherein one end of the rotating tube has a positive internal thread on the inner side, and the other end of the rotating tube has a negative internal thread on the inner side;
[0023] A positive threaded rod, one end of which is threadedly connected to the rotating pipe, and the other end of which is hingedly connected to a hinged plate at one end of the cross bar away from the vertical bar;
[0024] A reverse threaded rod, one end of which is threadedly connected to the rotating pipe, and the other end of which is hinged to the hinged plate 2 of the template.
[0025] Furthermore, a handle is fixedly provided on the outer side wall of the rotating tube, and the handle is arranged perpendicular to the axis of the rotating tube.
[0026] Furthermore, the adjustment component includes:
[0027] A rotating tube, wherein one end of the rotating tube is provided with an internal thread on the inner side, and the other end is rotatably connected to the hinged rod, and the hinged rod is hinged to the end of the rod away from the vertical rod;
[0028] A threaded rod, one end of which is threadedly connected to the rotating pipe, and the other end of which is hinged to the template.
[0029] Furthermore, a second mounting hole is formed on the template, and a connecting component is disposed in the second mounting hole.
[0030] Compared with the prior art, the cantilever steel formwork installation structure described in the utility model has the following beneficial effects:
[0031] (1) The utility model discloses a cantilever steel formwork installation structure, wherein the embedded parts in the pre-embedded connection assembly are embedded during the pouring below. When it is necessary to continue pouring upward, the bracket is fixed by the connection assembly. The angle between the formwork and the bracket is adjusted by the adjustment assembly according to the pouring requirements, thereby broadening the application scope of the steel formwork installation structure, simplifying the installation process and improving work efficiency.
[0032] (2) In the cantilever steel formwork installation structure described in the utility model, a connecting assembly is arranged in the second installation hole of the formwork, and oil is applied on the outer wall of the connecting nut. During the pouring process, the embedded parts of the connecting assembly are poured into the concrete member. After the concrete member is formed, the connecting nuts and connecting bolts are removed. Only the embedded parts are used as the connecting assembly for connecting the bracket during the next upward pouring and are retained in the concrete member. The connecting nuts and connecting bolts can be reused, thereby reducing the construction cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:
[0034] Figure 1 This is a three-dimensional structural schematic diagram of the cantilever steel formwork installation structure described in an embodiment of the utility model;
[0035] Figure 2 This is a schematic diagram of the side view of the cantilever steel formwork installation structure according to an embodiment of the utility model;
[0036] Figure 3 For the embodiment of the utility model Figure 2 Schematic diagram of the structure at B in the middle;
[0037] Figure 4 For the embodiment of the utility model Figure 1 Schematic diagram of the structure at A in the middle;
[0038] Figure 5 This is a schematic diagram of the three-dimensional structure of the bracket according to an embodiment of the utility model;
[0039] Figure 6 This is a schematic diagram of the three-dimensional structure of the mounting base according to an embodiment of the utility model;
[0040] Figure 7This is a schematic diagram of the three-dimensional structure of the template according to an embodiment of the utility model;
[0041] Figure 8 This is a schematic diagram of the three-dimensional structure of the connection assembly according to an embodiment of the utility model;
[0042] Fig. 9 It is a schematic diagram of the cross-sectional structure of the connection component described in an embodiment of the utility model.
[0043] Description of reference numerals:
[0044] 1. Bracket; 2. Template; 3. Adjustment assembly; 4. Connection assembly; 5. Adjustment bolt; 6. Limit bolt; 101. Vertical rod; 102. Horizontal rod; 103. Diagonal support rod; 104. Mounting hole one; 105. Mounting seat; 106. Hinge plate one; 107. Adjustment threaded hole; 10501. Mounting slot; 10502. Limit threaded hole; 201. Rotation axis; 202. Hinge plate two; 203. Mounting hole two; 301. Rotation tube; 302. Handle; 303. Positive threaded rod; 304. Reverse threaded rod; 401. Embedded part; 402. Connecting nut; 403. Connecting bolt; 404. Pad; 40201. Hexagonal prism; 40401. Positioning tube. DETAILED DESCRIPTION
[0045] 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.
[0046] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0047] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0048] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0049] like Figures 1 to 9 As shown, a cantilever steel formwork 2 installation structure includes: a bracket 1, the bracket 1 is connected to the cast part through a connecting component 4; a formwork 2, a rotating shaft 201 is fixedly provided at the lower end of the formwork 2, a mounting seat 105 is fixedly provided at the upper end of the bracket 1, a mounting groove 10501 is provided in the mounting seat 105, the rotating shaft 201 is installed on the inner side of the mounting groove 10501, and the rotating shaft 201 is rotatably connected to the mounting seat 105; an adjusting component 3, the adjusting component 3 is used to adjust the angle between the formwork 2 and the bracket 1.
[0050] The bracket 1 is provided with a mounting hole 104;
[0051] The connection component 4 includes:
[0052] The embedded part 401 is bent to form a hook, and a screw rod 1 is fixed at the other end;
[0053] A connecting bolt 403, the connecting bolt 403 passes through the mounting hole 104, and a pad 404 is provided between the head of the connecting bolt 403 and the bracket 1;
[0054] A connecting nut 402, the connecting nut 402 is a conical structure, one end of the connecting bolt 403 is threadedly connected to the connecting bolt 403, and the other end is threadedly connected to the screw rod;
[0055] The outer diameter of one end of the connecting nut 402 adjacent to the screw rod 1 is greater than the outer diameter of the other end, and the outer diameter of one end of the connecting nut 402 adjacent to the screw rod is greater than the diameter of the mounting hole 104 .
[0056] A hexagonal column 40201 is fixedly provided at one end of the connecting nut 402 adjacent to the connecting bolt 403 , and the hexagonal column 40201 facilitates the rotation of the connecting nut 402 .
[0057] A positioning tube 40401 is fixedly arranged at one end of the backing plate 404 near the bracket 1, and the outer diameter of the positioning tube 40401 matches the inner diameter of the mounting hole 104. The positioning tube 40401 plays a positioning role on the backing plate 404 to prevent it from shaking.
[0058] The bracket 1 includes a vertical rod 101 and a horizontal rod 102 fixed to the top of the vertical rod 101. The horizontal rod 102 and the vertical rod 101 are connected by a diagonal brace 103. The number of the vertical rods 101 and the horizontal rod 102 are both two, and the vertical rods 101 are connected by a connecting rod.
[0059] An adjusting threaded hole 107 is formed at the bottom end of the vertical rod 101, and an adjusting bolt 5 is arranged in the adjusting threaded hole.
[0060] The mounting seat 105 is provided with a limiting threaded hole 10502 penetrating the mounting groove 10501 . The mounting groove 10501 is opened upward. The limiting threaded hole 10502 is internally threadedly connected to a limiting bolt 6 . The limiting bolt 6 limits the rotation axis 201 .
[0061] In some embodiments, the adjustment component 3 includes: a rotating tube 301, one end of which is provided with a positive internal thread, and the other end of which is provided with a negative internal thread; a positive threaded rod 303, one end of which is threadedly connected to the rotating tube 301, and the other end is hinged to the hinge plate 106 at the end of the cross bar 102 away from the vertical bar 101; and a negative threaded rod 304, one end of which is threadedly connected to the rotating tube 301, and the other end is hinged to the hinge plate 202 of the template 2. A handle 302 is fixed on the outer wall of the rotating tube 301, and the handle 302 is arranged perpendicular to the axis of the rotating tube 301 to facilitate the rotation of the rotating tube 301. By rotating the rotating tube 301, the angle between the template 2 and the cross bar 102 of the bracket 1 can be adjusted, which is suitable for different casting processes and expands the scope of application.
[0062] In other embodiments, the adjustment assembly 3 includes: a rotating tube 301, one end of which is internally threaded, and the other end is rotatably connected to a hinged rod, and the hinged rod is hinged to the end of the rod away from the vertical rod 101; a threaded rod, one end of which is threadedly connected to the rotating tube 301, and the other end is hinged to the template 2. By rotating the rotating tube 301, the angle between the template 2 and the crossbar 102 of the bracket 1 can be adjusted, which is suitable for different casting processes and expands the scope of application.
[0063] The template 2 is provided with a second mounting hole 203 , and a connecting component 4 is arranged in the second mounting hole 203 .
[0064] Working process:
[0065] The embedded part 401 in the pre-embedded connecting component 4 during the pouring below, when it is necessary to continue pouring upwards, the connecting bolt 403 passes through the mounting hole 104 and is threadedly connected with the connecting nut 402 to preliminarily fix the bracket 1, the rotating shaft 201 of the template 2 is inserted into the mounting groove 10501, and the limiting bolt 6 is threadedly installed on the inner side of the limiting threaded hole 10502 to limit the rotating shaft 201, and the concrete component is cast by rotating the adjusting bolt 5 and the limiting bolt 6 to tighten, adjust the distance between the bracket 1 and the concrete component, and finally tighten the connecting bolt 403 to fix the bracket 1, and then adjust the angle between the template 2 and the bracket 1 through the adjusting component 3 according to the pouring requirements, thereby widening the application range of the steel template 2 installation structure, and the installation process is simple and improves work efficiency.
[0066] A connecting component 4 is arranged in the mounting hole 203 of the template 2, and oil is applied on the outer wall of the connecting nut 402. During the pouring process, the embedded part 401 of the connecting component 4 is poured into the concrete member. After the concrete member is formed, the connecting nut 402 and the connecting bolt 403 are removed. Only the embedded part 401 is used as the connecting component 4 for connecting the bracket 1 when pouring upward next time and is retained in the concrete member. The connecting nut 402 and the connecting bolt 403 can be reused, thereby reducing the construction cost.
[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.
[0068] 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 principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A cantilever steel formwork installation structure, characterized in that: include: A support (1), wherein the support (1) is connected to the casting part via a connecting assembly (4); A template (2), a rotating shaft (201) is fixedly provided at the lower end of the template (2), a mounting seat (105) is fixedly provided at the upper end of the bracket (1), a mounting groove (10501) is provided in the mounting seat (105), the rotating shaft (201) is installed on the inner side of the mounting groove (10501), and the rotating shaft (201) is rotatably connected to the mounting seat (105); An adjustment component (3), wherein the adjustment component (3) is used to adjust the angle between the template (2) and the bracket (1); The bracket (1) comprises a vertical rod (101) and a cross rod (102) fixed to the top of the vertical rod (101); the cross rod (102) and the vertical rod (101) are connected via a diagonal brace (103); the number of the vertical rod (101) and the cross rod (102) are both two, and the vertical rods (101) are connected via a connecting rod; An adjusting threaded hole (107) is formed at the bottom end of the vertical rod (101), and an adjusting bolt (5) is arranged in the adjusting threaded hole (107); The regulating component (3) comprises: A rotating tube (301), wherein one end of the rotating tube (301) has a positive internal thread on the inner side, and the other end of the rotating tube has a negative internal thread on the inner side; A positive threaded rod (303), one end of which is threadedly connected to the rotating tube (301), and the other end of which is hingedly connected to a hinge plate (106) at one end of the cross bar (102) away from the vertical bar (101); A reverse threaded rod (304), one end of which is threadedly connected to the rotating tube (301), and the other end of which is hinged to the hinge plate 2 (202) of the template (2).
2. A cantilever steel formwork installation structure according to claim 1, characterized in that: The bracket (1) is provided with a mounting hole (104); The connection component (4) comprises: An embedded part (401), wherein the embedded part (401) is bent to form a hook, and a screw rod 1 is fixedly arranged at the other end; A connecting bolt (403), wherein the connecting bolt (403) passes through the first mounting hole (104), and a pad (404) is provided between the head of the connecting bolt (403) and the bracket (1); A connecting nut (402), wherein the connecting nut (402) is a conical structure, one end of the connecting bolt (403) is threadedly connected to the connecting bolt (403), and the other end is threadedly connected to the screw rod; The outer diameter of one end of the connecting nut (402) adjacent to the screw rod is larger than the outer diameter of the other end, and the outer diameter of one end of the connecting nut (402) adjacent to the screw rod is larger than the diameter of the mounting hole (104).
3. A cantilever steel formwork installation structure according to claim 2, characterized in that: A hexagonal column (40201) is fixedly disposed on one end of the connecting nut (402) adjacent to the connecting bolt (403).
4. The cantilever steel formwork installation structure according to claim 2 is characterized in that: A positioning tube (40401) is fixedly provided at one end of the pad (404) adjacent to the bracket (1), and the outer diameter of the positioning tube (40401) matches the inner diameter of the mounting hole 1 (104).
5. The cantilever steel formwork installation structure according to claim 1 is characterized in that: The mounting seat (105) is provided with a limiting threaded hole (10502) penetrating the mounting groove (10501); the mounting groove (10501) is opened upward; the limiting threaded hole (10502) is internally threadedly connected to a limiting bolt (6); and the limiting bolt (6) limits the rotation axis (201).
6. The cantilever steel formwork installation structure according to claim 1 is characterized in that: A handle (302) is fixedly provided on the outer side wall of the rotating tube (301), and the handle (302) is arranged perpendicular to the axis of the rotating tube (301).
7. The cantilever steel formwork installation structure according to claim 1 is characterized in that: The regulating component (3) comprises: A rotating tube (301), wherein an inner thread is formed on one end of the rotating tube (301), and the other end is rotatably connected to a hinge rod, wherein the hinge rod is hinged to an end of the rod away from the vertical rod (101); A threaded rod, one end of which is threadedly connected to the rotating tube (301), and the other end of which is hinged to the template (2).
8. The cantilever steel formwork installation structure according to claim 1 is characterized in that: The template (2) is provided with a second mounting hole (203), and a connecting component (4) is arranged in the second mounting hole (203).