Automatic lifting trench form
By designing an automatic lifting formwork for drainage ditches, and utilizing main beam connecting components, pulley structures, and jack structures to achieve automatic demolding of the drainage ditch formwork, the problem of slow construction progress caused by multiple workers cooperating in tunnel construction was solved, thereby improving construction efficiency and tunnel drainage effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 中国水利水电第七工程局有限公司
- Filing Date
- 2025-08-22
- Publication Date
- 2026-06-19
Smart Images

Figure CN224379853U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of building construction, and more specifically, to an automatic lifting trench formwork. Background Technology
[0002] In tunnel construction, water ditches are set up mainly to ensure tunnel drainage. The water ditch extends along the tunnel's direction. During the construction of the water ditch, the formwork is removed by lifting it upwards. Current technology usually uses a loader and construction workers to remove the formwork, but this requires multiple workers to work together, which increases the number of construction steps and slows down the construction progress. Utility Model Content
[0003] To overcome the aforementioned shortcomings of the prior art, the purpose of this application is to provide an automatically lifting drainage ditch formwork. This automatically lifting drainage ditch formwork can achieve the desired drainage slope and rapid demolding, which is beneficial for improving construction efficiency and ensuring the drainage effect of the tunnel.
[0004] This utility model provides an automatic lifting formwork for a drainage ditch, used to lift the main beam of an arch bridge to allow the drainage ditch formwork to be demolded. The automatic lifting formwork includes:
[0005] Main beam connection assembly, which is used to be fixedly connected to the main beam of the arch bridge;
[0006] Pulley structure;
[0007] A pulley mounting assembly, which is connected to the main beam connecting assembly, and the pulley structure is mounted on the pulley mounting assembly;
[0008] The jack structure has its opposite ends connected to the main beam connecting assembly and the pulley mounting assembly, respectively, to move the main beam connecting assembly and the pulley mounting assembly closer to or further apart from each other. When the main beam connecting assembly and the pulley mounting assembly move further apart from each other, the main beam connecting assembly lifts the main beam of the arch bridge to demold the ditch formwork.
[0009] Further, in an optional embodiment, the main beam connecting assembly includes a first connecting part, a second connecting part, and a main beam connecting body. The main beam connecting body is used to be fixedly connected to the main beam of the arch bridge. The first connecting part is connected to the second connecting part, and the second connecting part is connected to the main beam connecting body. The first connecting part is connected to the jack structure, and the second connecting part is connected to the pulley mounting assembly, and the pulley mounting assembly is slidable relative to the second connecting part.
[0010] Furthermore, in an optional embodiment, the pulley mounting assembly includes a pulley mounting portion and a support leg mounting portion, the support leg mounting portion being connected to the second connecting portion and the jack structure, and the pulley mounting portion being connected to the pulley structure.
[0011] Furthermore, in an optional embodiment, the outrigger mounting portion is provided with a first sliding connection structure, and the second connecting portion is provided with a second sliding connection structure, wherein the first sliding connection structure and the second sliding connection structure are slidably engaged.
[0012] Furthermore, in an optional embodiment, the first sliding connection structure is configured as a slide groove, and the second sliding connection structure is configured as a slide rail that cooperates with the slide groove.
[0013] Furthermore, in an optional embodiment, the second connecting portion is provided with a mounting cavity, the second sliding connecting structure is disposed in the mounting cavity, and the first sliding connecting structure and the second sliding connecting structure slide in the mounting cavity.
[0014] Further, in an optional embodiment, the jack structure includes a hydraulic jack, which is fixed to the outrigger mounting portion and connected to the first connecting portion, for moving the main beam connecting assembly and the pulley mounting assembly closer or further apart. When the main beam connecting assembly and the pulley mounting assembly move further apart, the main beam connecting assembly lifts the main beam of the arch bridge to demold the ditch template.
[0015] Further, in an optional embodiment, the first connecting part includes a first lifting force transmission part, a second lifting force transmission part, and a lifting force receiving part. The first lifting force transmission part, the lifting force receiving part, and the second lifting force transmission part are sequentially connected in a U-shape. The ends of the first lifting force transmission part and the second lifting force transmission part that are away from the lifting force receiving part are both connected to the second connecting part. The lifting force receiving part is connected to the jack structure.
[0016] Furthermore, in an optional embodiment, the first lifting force transmission part, the lifting force receiving part, and the second lifting force transmission part are all steel plate structures, and the first lifting force transmission part, the lifting force receiving part, and the second lifting force transmission part are welded in sequence, or the first lifting force transmission part, the lifting force receiving part, and the second lifting force transmission part are integrally formed.
[0017] Furthermore, in an optional embodiment, the first lifting force transmission part and the second lifting force transmission part are provided with reinforcing ribs.
[0018] In existing technologies, demolding typically involves a loader working in conjunction with construction workers. However, this requires multiple workers, increasing construction steps and slowing down the process. Compared to existing technologies, this application offers the following advantages: The automatic lifting formwork for drainage ditches provided by this utility model can achieve automatic demolding of the drainage ditch formwork, thereby reducing the number of construction steps for workers, improving construction efficiency, and ensuring the drainage effect of the tunnel. The automatic lifting formwork for drainage ditches includes a main beam connecting assembly, a pulley structure, a pulley installation assembly, and a jack structure. The main beam connecting assembly is used for fixed connection to the main beam of the arch bridge, the pulley installation assembly is used for installing the pulley structure, and the jack structure is connected to both the main beam connecting assembly and the pulley installation assembly, allowing them to move closer or further apart. When the main beam connecting assembly and the pulley installation assembly move further apart, the main beam connecting assembly lifts the main beam of the arch bridge to demold the drainage ditch formwork. When demolding is required, the jack structure causes the main beam connecting assembly and the pulley mounting assembly to move in opposite directions. Driven by the jack structure, the main beam connecting assembly lifts the main beam of the arch bridge upwards, while the pulley mounting assembly and pulley structure move downwards under the jack structure's influence. The upward lifting of the arch bridge main beam demolds the drainage ditch formwork. The automatic lifting drainage ditch formwork provided in this embodiment of the invention enables automatic demolding of the drainage ditch formwork, thereby reducing construction steps for workers, improving construction efficiency, and ensuring effective tunnel drainage. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a structural schematic diagram of the automatic lifting ditch template provided in the embodiments of this application;
[0021] Figure 2 This is a structural schematic diagram of the automatic lifting ditch template provided in an embodiment of this application from another perspective.
[0022] Icons: 100, Automatic lifting ditch template; 110, Main beam connection assembly; 111, First connection part; 1111, First lifting force transmission part; 1112, Second lifting force transmission part; 1113, Lifting force receiving part; 112, Second connection part; 113, Main beam connection body; 120, Pulley structure; 130, Pulley installation assembly; 131, Pulley installation part; 132, Outrigger installation part; 140, Jack structure. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0024] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0025] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0026] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0027] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0028] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0029] Please see Figure 1This utility model provides an automatic lifting drainage ditch formwork 100. This automatic lifting drainage ditch formwork 100 can achieve the desired drainage slope and rapid demolding, which helps improve construction efficiency and ensures effective tunnel drainage.
[0030] like Figure 1 and Figure 2 As shown, in this embodiment of the present invention, the automatic lifting ditch formwork 100 is used to lift the main beam of the arch trestle bridge to demold the ditch formwork. In this embodiment, the automatic lifting ditch formwork 100 includes: a main beam connecting assembly 110, which is fixedly connected to the main beam of the arch trestle bridge; a pulley structure 120; a pulley mounting assembly 130, which is connected to the main beam connecting assembly 110, and the pulley structure 120 is mounted on the pulley mounting assembly 130; and a jack structure 140, whose opposite ends are connected to the main beam connecting assembly 110 and the pulley mounting assembly 130 respectively, for moving the main beam connecting assembly 110 and the pulley mounting assembly 130 closer or further apart. When the main beam connecting assembly 110 and the pulley mounting assembly 130 move further apart, the main beam connecting assembly 110 lifts the main beam of the arch trestle bridge to demold the ditch formwork.
[0031] It should be noted that, in this embodiment of the invention, the automatic lifting ditch formwork 100 includes a main beam connecting assembly 110, a pulley structure 120, a pulley installation assembly 130, and a jack structure 140. The main beam connecting assembly 110 is fixedly connected to the main beam of the arch bridge, the pulley installation assembly 130 is used to install the pulley structure 120, and the jack structure 140 is connected to both the main beam connecting assembly 110 and the pulley installation assembly 130, allowing the main beam connecting assembly 110 and the pulley installation assembly 130 to move closer or further apart. When the main beam connecting assembly 110 and the pulley installation assembly 130 move further apart, the main beam connecting assembly 110 lifts the main beam of the arch bridge, thereby demolding the ditch formwork. In other words, in this embodiment of the invention, the jack structure 140 enables automatic demolding of the ditch formwork, reducing the number of construction steps for workers, improving construction efficiency, and ensuring the tunnel drainage effect.
[0032] It should also be noted that when demolding is required, the automatic lifting ditch formwork 100 provided in this embodiment of the invention uses a jack structure 140 to move the main beam connecting assembly 110 and the pulley mounting assembly 130 in opposite directions. Driven by the jack structure 140, the main beam connecting assembly 110 lifts the main beam of the arch bridge upwards, while the pulley mounting assembly 130 and the pulley structure 120 move downwards under the influence of the jack structure 140. The upward lifting of the main beam of the arch bridge allows for the demolding of the ditch formwork. The automatic lifting ditch formwork 100 provided in this embodiment of the invention can achieve automatic demolding of the ditch formwork, thereby reducing the number of construction steps for workers, improving construction efficiency, and ensuring the drainage effect of the tunnel.
[0033] As shown in the figure, in an optional embodiment, the main beam connecting assembly 110 includes a first connecting part 111, a second connecting part 112, and a main beam connecting body 113. The main beam connecting body 113 is used to be fixedly connected to the main beam of the arch bridge. The first connecting part 111 is connected to the second connecting part 112, and the second connecting part 112 is connected to the main beam connecting body 113. The first connecting part 111 is connected to the jack structure 140, and the second connecting part 112 is connected to the pulley mounting assembly 130, and the pulley mounting assembly 130 can slide relative to the second connecting part 112.
[0034] It should be understood that, in this embodiment of the present invention, the first connecting part 111 is used to connect with the jack structure 140, and the second connecting part 112 is used to connect with the main beam connecting body 113 and the pulley mounting assembly 130, and the second connecting part 112 can slide relative to the pulley mounting assembly 130. The main beam connecting body 113 is connected to the main beam of the arch bridge. Optionally, in this embodiment of the present invention, the main beam connecting assembly 110 can be made of steel, such as steel plates. Of course, it is not limited to this. In other embodiments of the present invention, the components of the main beam connecting assembly 110 can also be made of other materials. This comparison of embodiments of the present invention does not impose specific requirements or limitations.
[0035] As shown in the figure, in an optional embodiment, the pulley mounting assembly 130 includes a pulley mounting portion 131 and a support leg mounting portion 132. The support leg mounting portion 132 is connected to the second connecting portion 112 and the jack structure 140, and the pulley mounting portion 131 is connected to the pulley structure 120. It should be understood that, in this embodiment of the present invention, the pulley mounting portion is used to connect to the pulley structure 120, and the support leg mounting portion 132 is used to connect to the second connecting portion 112 and the jack structure 140. The support leg mounting portion 132 is slidable relative to the second connecting portion 112.
[0036] Further, in an optional embodiment, the outrigger mounting portion 132 is provided with a first sliding connection structure, and the second connecting portion 112 is provided with a second sliding connection structure, with the first sliding connection structure and the second sliding connection structure slidingly engaging. Optionally, in this embodiment, the first sliding connection structure is provided as a groove, and the second sliding connection structure is provided as a slide rail engaging with the groove. The first sliding connection structure and the second sliding connection structure can ensure the sliding stability between the outrigger mounting portion 132 and the second connecting portion 112, and also facilitate the connection stability between the outrigger mounting portion 132 and the second connecting portion 112.
[0037] In an optional embodiment, the second connecting part 112 is provided with a mounting cavity, and the second sliding connecting structure is disposed in the mounting cavity. The first sliding connecting structure and the second sliding connecting structure slide and engage within the mounting cavity. The second connecting part 112 can be formed by welding steel plates to create the mounting cavity, and the second sliding connecting structure is pre-designed inside the mounting cavity. During assembly, the support leg mounting structure is inserted into the mounting cavity, so that the first sliding connecting structure engages with the second sliding connecting structure.
[0038] Furthermore, in an optional embodiment, the jack structure 140 includes a hydraulic jack, which is fixed to the outrigger mounting portion 132 and connected to the first connecting portion 111. The hydraulic jack is used to bring the main beam connecting assembly 110 and the pulley mounting assembly 130 closer or further apart. When the main beam connecting assembly 110 and the pulley mounting assembly 130 move further apart, the main beam connecting assembly 110 lifts the main beam of the arch bridge to demold the ditch template.
[0039] like Figure 2 As shown, in an optional embodiment, the first connecting portion 111 includes a first lifting force transmission portion 1111, a second lifting force transmission portion 1112, and a lifting force receiving portion 1113. The first lifting force transmission portion 1111, the lifting force receiving portion 1113, and the second lifting force transmission portion 1112 are sequentially connected in a U-shape. The ends of the first lifting force transmission portion 1111 and the second lifting force transmission portion 1112 away from the lifting force receiving portion 1113 are all connected to the second connecting portion 112. The lifting force receiving portion 1113 is connected to the jack structure 140. Further, in this embodiment, the first lifting force transmission portion 1111, the lifting force receiving portion 1113, and the second lifting force transmission portion 1112 are all steel plate structures. The first lifting force transmission portion 1111, the lifting force receiving portion 1113, and the second lifting force transmission portion 1112 are sequentially welded, or the first lifting force transmission portion 1111, the lifting force receiving portion 1113, and the second lifting force transmission portion 1112 are integrally formed.
[0040] Optionally, the first lifting force transmission part 1111 and the second lifting force transmission part 1112 are provided with reinforcing ribs to improve strength.
[0041] Please refer to the following: Figure 1 and Figure 2The automatic lifting ditch formwork 100 provided in this embodiment of the utility model can realize automatic demolding of the ditch formwork, thereby reducing the construction steps of workers, improving construction efficiency, and ensuring the drainage effect of the tunnel. The automatic lifting ditch formwork 100 includes a main beam connecting assembly 110, a pulley structure 120, a pulley installation assembly 130, and a jack structure 140. The main beam connecting assembly 110 is used to fix and connect to the main beam of the arch bridge. The pulley installation assembly 130 is used to install the pulley structure 120. The jack structure 140 is connected to the main beam connecting assembly 110 and the pulley installation assembly 130 respectively, so as to bring the main beam connecting assembly 110 and the pulley installation assembly 130 closer to each other or further away from each other. When the main beam connecting assembly 110 and the pulley installation assembly 130 are further away from each other, the main beam connecting assembly 110 lifts the main beam of the arch bridge to demold the ditch formwork. When demolding is required, the jack structure 140 causes the main beam connecting assembly 110 and the pulley mounting assembly 130 to move in opposite directions. Driven by the jack structure 140, the main beam connecting assembly 110 lifts the main beam of the arch bridge upwards, while the pulley mounting assembly 130 and pulley structure 120 move downwards under the influence of the jack structure 140. The upward lifting of the arch bridge main beam demolds the drainage ditch formwork. The automatic lifting drainage ditch formwork 100 provided in this embodiment can achieve automatic demolding of the drainage ditch formwork, thereby reducing construction steps for workers, improving construction efficiency, and ensuring the tunnel drainage effect.
[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0043] The above descriptions are merely various embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. An automatic lifting formwork for a drainage ditch, used to lift the main beam of an arch bridge to demold the drainage ditch formwork, characterized in that, The automatic lifting ditch template includes: Main beam connection assembly, which is used to be fixedly connected to the main beam of the arch bridge; Pulley structure; A pulley mounting assembly, which is connected to the main beam connecting assembly, and the pulley structure is mounted on the pulley mounting assembly; The jack structure has its opposite ends connected to the main beam connecting assembly and the pulley mounting assembly, respectively, to move the main beam connecting assembly and the pulley mounting assembly closer to or further apart from each other. When the main beam connecting assembly and the pulley mounting assembly move further apart from each other, the main beam connecting assembly lifts the main beam of the arch bridge to demold the ditch formwork.
2. The automatic lifting ditch template according to claim 1, characterized in that, The main beam connection assembly includes a first connection part, a second connection part, and a main beam connection body. The main beam connection body is used to be fixedly connected to the main beam of the arch bridge. The first connection part is connected to the second connection part, and the second connection part is connected to the main beam connection body. The first connection part is connected to the jack structure, and the second connection part is connected to the pulley mounting assembly, and the pulley mounting assembly can slide relative to the second connection part.
3. The automatic lifting ditch template according to claim 2, characterized in that, The pulley mounting assembly includes a pulley mounting part and a support leg mounting part. The support leg mounting part is connected to the second connecting part and the jack structure, and the pulley mounting part is connected to the pulley structure.
4. The automatic lifting ditch template according to claim 3, characterized in that, The outrigger mounting portion is provided with a first sliding connection structure, and the second connecting portion is provided with a second sliding connection structure, wherein the first sliding connection structure and the second sliding connection structure are slidably engaged.
5. The automatic lifting ditch template according to claim 4, characterized in that, The first sliding connection structure is a slide groove, and the second sliding connection structure is a slide rail that cooperates with the slide groove.
6. The automatic lifting ditch template according to claim 4, characterized in that, The second connecting part is provided with a mounting cavity, and the second sliding connecting structure is disposed in the mounting cavity. The first sliding connecting structure and the second sliding connecting structure slide in the mounting cavity.
7. The automatic lifting ditch template according to claim 3, characterized in that, The jack structure includes a hydraulic jack, which is fixed to the outrigger mounting part and connected to the first connecting part. It is used to move the main beam connecting assembly and the pulley mounting assembly closer or further apart. When the main beam connecting assembly and the pulley mounting assembly move further apart, the main beam connecting assembly lifts the main beam of the arch bridge so that the ditch template can be demolded.
8. The automatic lifting ditch template according to claim 3, characterized in that, The first connecting part includes a first lifting force transmission part, a second lifting force transmission part, and a lifting force receiving part. The first lifting force transmission part, the lifting force receiving part, and the second lifting force transmission part are connected in sequence to form a U-shape. The ends of the first lifting force transmission part and the second lifting force transmission part that are away from the lifting force receiving part are both connected to the second connecting part. The lifting force receiving part is connected to the jack structure.
9. The automatic lifting ditch template according to claim 8, characterized in that, The first lifting force transmission part, the lifting force receiving part, and the second lifting force transmission part are all steel plate structures. The first lifting force transmission part, the lifting force receiving part, and the second lifting force transmission part are welded in sequence, or the first lifting force transmission part, the lifting force receiving part, and the second lifting force transmission part are integrally formed.
10. The automatic lifting ditch template according to claim 8, characterized in that, The first lifting force transmission part and the second lifting force transmission part are provided with reinforcing ribs.