Positioning clamp of water stop belt and lining trolley

Abstract

The embodiment of the utility model provides a positioning clamp of a water stop belt and a lining trolley, and relates to the field of building construction. The positioning fixture comprises a positioning connecting block, a lower hinge and an upper hinge, one end of the lower hinge is rotationally connected to the positioning connecting block, and the lower hinge comprises a first clamping end face; one end of the upper hinge body is rotationally connected to the lower hinge body, the upper hinge body comprises a second clamping end face, the second clamping end face corresponds to the first clamping end face in position, and a clamping cavity used for clamping the water stop belt is formed between the second clamping end face and the first clamping end face. Due to the fact that the position of the positioning connecting block is fixed before the water stop belt is arranged, after the lower hinge is connected to the positioning connecting block, the moving position of the first clamping end face on the lower hinge is determined accordingly, and the second clamping end face and the first clamping end face of the upper hinge jointly form a clamping cavity with the determined position. Therefore, the waterstop cannot displace or deflect after being clamped in the clamping cavity, the position of the waterstop is kept consistent all the time, and the waterstop effect can be improved.

Description

Technical Field

[0001] This utility model relates to the field of building construction, and more specifically, to a positioning clamp for a waterstop and a lining trolley. Background Technology

[0002] One of the procedures in tunnel construction is the installation of embedded waterstops in the circumferential construction joints of the lining. By setting up waterstops, water seepage and leakage can be prevented, and they can also resist deformation and damage when the concrete expands and contracts.

[0003] In traditional construction techniques, steel bar clips are typically used to bend the waterstop, and then steel bars and wooden wedges are used to fix the wooden formwork in a ring along the secondary lining trolley. The positioning accuracy of the waterstop is not high during installation, which can easily lead to poor water-stopping effect or water-stopping failure. Utility Model Content

[0004] This utility model provides a positioning clamp and lining trolley for waterstops, which can solve the problem of inaccurate positioning of embedded waterstops under existing processes.

[0005] The embodiments of this utility model can be implemented as follows:

[0006] An embodiment of this utility model provides a positioning clamp for a waterstop, which includes:

[0007] Positioning connecting block;

[0008] The lower hinge has one end rotatably connected to the positioning connecting block, and the lower hinge includes a first locking end face;

[0009] The upper hinge has one end rotatably connected to the lower hinge. The upper hinge includes a second locking end face, which is positioned corresponding to the first locking end face. A clamping chamber for clamping the waterstop is formed between the second locking end face and the first locking end face.

[0010] Optionally, the lower hinge has an adjustment groove, the upper hinge is connected to the adjustment groove, and the upper hinge can move along the adjustment groove.

[0011] Optionally, the edge of the adjusting slide is provided with a scale.

[0012] Optionally, the positioning connecting block is fixedly connected to the inside of the panel of the lining trolley.

[0013] Optionally, a head plate is provided between the positioning clamp and the concrete end face, and the head plate is connected to the lining trolley.

[0014] Optionally, an arc-shaped flange plate is detachably connected to the inner side of the panel of the lining trolley, and a positioning connecting block is installed on the arc-shaped flange plate.

[0015] Optionally, a reinforcing rod is provided on the outer side of the end plate, and the reinforcing rod is connected to the upper hinge and the lower hinge to abut against the upper hinge and the lower hinge.

[0016] Optionally, a collar is provided on the end cap plate, and a reinforcing rod is inserted into the collar to abut against the upper and lower hinges.

[0017] Optionally, a reinforcing strip is also provided on the outside of the end cap plate. The reinforcing strip is positioned between the lower hinge and the concrete wall and is limited by a reinforcing rod.

[0018] An embodiment of this utility model also provides a lining trolley, including the aforementioned positioning fixture.

[0019] The beneficial effects of this utility model embodiment:

[0020] The positioning clamp for the waterstop includes a positioning connecting block, a lower hinge, and an upper hinge. One end of the lower hinge is rotatably connected to the positioning connecting block, and the lower hinge includes a first locking end face. One end of the upper hinge is rotatably connected to the lower hinge, and the upper hinge includes a second locking end face. The second locking end face corresponds to the first locking end face, and a clamping chamber for clamping the waterstop is formed between the second locking end face and the first locking end face. Since the position of the positioning connecting block is fixed before the waterstop is placed, when the lower hinge is connected to the positioning connecting block, the position of the first locking end face on the lower hinge is also determined. The second locking end face of the upper hinge and the first locking end face together form a clamping chamber with a fixed position. Therefore, once the waterstop is clamped in the clamping chamber, it will not shift or deflect, and the position of the waterstop will always remain consistent, which is beneficial to improving the water-stopping effect.

[0021] The lining trolley includes positioning clamps for the waterstop, and it has all the functions of a positioning clamp for the waterstop. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of the positioning clamp when the waterstop is clamped in an embodiment of the present utility model;

[0024] Figure 2 A schematic diagram of the positioning clamp when it is opened is provided for an embodiment of this utility model;

[0025] Figure 3 This is a schematic diagram of a lower hinge with an adjusting groove provided in an embodiment of the present invention.

[0026] Icons: 1-Positioning connecting block; 2-Lower hinge; 201-First clamping end face; 202-Adjusting slide; 203-Scale; 3-Upper hinge; 301-Second clamping end face; 4-Clamping chamber; 5-End plate; 501-Arc flange plate; 502-Collar ring; 503-Reinforcing rod; 6-Panel; 7-Reinforcing strip; 8-Waterstop; 9-Concrete. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] 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.

[0030] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model 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, and therefore should not be construed as a limitation of this utility model.

[0031] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0032] The terms “comprising,” “including,” or any other variations thereof are intended to cover a 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 limitation, 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.

[0033] Unless otherwise explicitly specified and limited, terms such as "setup" and "connection" should be interpreted broadly. For example, "connection" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0035] As described in the background section, the traditional construction method for embedded waterstops in the circumferential construction joints of linings is as follows: the waterstop is bent using steel bar clips, and then the wooden formwork is fixed in a ring around the secondary lining trolley using steel bars and wooden wedges. Since the waterstop is installed before the concrete is poured, displacement and deflection may occur when the concrete is poured, and it may also fall off during the period from when the waterstop is installed to when the concrete is poured. This results in the final position of the waterstop not matching the designed position, increasing the risk of poor water-stopping effect and water-stopping failure.

[0036] Traditional construction methods, including setting up multiple steel reinforcement clips and processing and installing multiple wooden molds for sealing, have drawbacks such as inconvenient construction operations and a large amount of manual labor.

[0037] Based on this, the embodiments of this utility model provide a positioning clamp for a waterstop and a lining trolley that can solve the above problems. The positioning clamp for the waterstop will be described in detail below.

[0038] Please refer to Figure 1 and Figure 2The positioning fixture for the waterstop includes a positioning connecting block 1, a lower hinge 2, and an upper hinge 3. One end of the lower hinge 2 is rotatably connected to the positioning connecting block 1, and the lower hinge 2 includes a first locking end face 201. One end of the upper hinge 3 is rotatably connected to the lower hinge 2, and the upper hinge 3 includes a second locking end face 301. The second locking end face 301 corresponds to the position of the first locking end face 201, and a clamping chamber 4 for clamping the waterstop 8 is formed between the second locking end face 301 and the first locking end face 201. The waterstop 8 is confined within the clamping chamber 4 and will not shift, deflect, or fall off due to its own weight or external force, thus maintaining stability and consistent position. This solves the problem of easy waterstop failure caused by traditional construction methods. Moreover, using the upper hinge 3 and lower hinge 2 to clamp the waterstop 8 replaces the work of setting up wooden molds and steel bar clamps required by traditional construction methods, thereby reducing the workload and making construction operations more convenient.

[0039] It should be explained that the position of the positioning connecting block 1 is fixed before the waterstop 8 is placed. When the lower hinge 2 is connected to the positioning connecting block 1, the position of the first locking end face 201 on the lower hinge 2 is also determined. The position of the upper hinge 3 connected to the lower hinge 2 is also fixed, and the position that the second locking end face 301 can move is also fixed. When the second locking end face 301 and the first locking end face 201 correspond to form the clamping chamber 4, the size and position of the clamping chamber 4 are determined. Therefore, when the waterstop 8 is limited and clamped in the clamping chamber 4, it will not be displaced or deflected. The position of the waterstop 8 remains consistent before and after the concrete 9 is poured, which improves the water-stopping effect.

[0040] In this embodiment, the lower hinge 2 is made of steel plate and is sheet-shaped. A pin hole is provided at one end of the lower hinge 2, and the positioning connecting block 1 is a hinge seat. The lower hinge 2 is hinged to the hinge seat by inserting a pin into the pin hole, allowing the lower hinge 2 to rotate within a plane but remain immovable. The first locking end face 201 is flat. The upper hinge 3 is also sheet-shaped, roughly U-shaped, with one end of the U-shape machined into a flat surface to form the second locking end face 301. A first connecting hole is provided at the other end of the U-shape, and a second connecting hole is provided on the side of the lower hinge 2 away from the positioning connecting block 1. The first and second connecting holes correspond to each other. Inserting a pin into the first and second connecting holes allows the upper hinge 3 to be rotatably connected to the lower hinge 2.

[0041] Of course, in order to increase the contact area with the waterstop 8, a steel sheet can be vertically welded to the first clamping end face 201 of the lower hinge 2, and a steel sheet can also be vertically welded to the second clamping end face 301 of the upper hinge 3, so that the steel sheet is connected to the waterstop 8 and the clamping effect is guaranteed.

[0042] When using the upper hinge 3 and the lower hinge 2 to clamp the waterstop 8, the design position of the waterstop 8 may also change. For example, depending on the different surrounding rock grades and the thickness of the secondary lining, the position of the waterstop 8 in the tunnel can be adjusted appropriately, and the adjustment distance depends on the specific project conditions.

[0043] Therefore, in this embodiment, an adjusting groove 202 is provided on the lower hinge 2, which can be referred to as follows. Figure 3 The adjusting groove 202 is opened along the long side of the lower hinge 2. A sliding post is slidably engaged in the adjusting groove 202. The two ends of the sliding post extend out of the groove of the lower hinge 2 and are provided with external threads on the outer wall. Two upper hinges 3 are respectively sleeved on the two ends of the sliding post. The middle section of the sliding post is shaped like a regular square prism, and the two ends are cylindrical. When it is necessary to clamp the waterstop 8, the upper hinge 3 is pressed against the side of the lower hinge 2 by tightening the lock nut to prevent the upper hinge 3 from moving along the groove. When it is necessary to adjust the different settings of the waterstop 8, the lock nut is loosened, the sliding post is moved to the appropriate position, and the lock nut is tightened again to press the upper hinge 3 onto the lower hinge 2.

[0044] Furthermore, the edge of the adjusting groove 202 is provided with a scale 203, through which the moving distance of the sliding column can be seen intuitively and accurately, which is conducive to accurately adjusting the setting position of the waterstop 8.

[0045] Continue to refer to Figure 1 To avoid the need for additional disassembly and reassembly of the positioning clamps before and after use, in this embodiment, the positioning connecting block 1 is directly fixed to the inner side of the panel 6 of the lining trolley, the lower hinge 2 is connected to the positioning connecting block 1, and the upper hinge 3 is connected to the lower hinge 2. Thus, the positioning connecting block 1, the upper hinge 3, and the lower hinge 2 move together with the lining trolley and can be used directly again when the next section of the tunnel is constructed, saving the disassembly and reassembly process.

[0046] Specifically, the inner side of the panel 6 of the lining trolley is connected to an arc-shaped flange plate 501 by multiple sets of high-strength bolts, and the positioning connecting block 1 is installed on the arc-shaped flange plate 501.

[0047] A sealing plate 5 is installed between the positioning clamp and the end face of the concrete 9. The sealing plate 5 is connected to the lining trolley and is used to seal the end of the concrete 9 being poured. The shape and size of the sealing plate 5 match the design shape and size of the tunnel profile, meeting the sealing requirements.

[0048] In this embodiment, the end plate 5 is a steel formwork. Steel formwork has a high load-bearing capacity, and compared with traditional wooden formwork support, using steel formwork can increase the safety of the structure and avoid the risk of traditional wooden formwork bursting. At the same time, steel formwork can be reused, making construction convenient, reducing construction costs, shortening the construction period, and having good economic benefits.

[0049] A reinforcing rod 503 is also provided on the outer side of the end plate 5. The reinforcing rod 503 is connected to the upper hinge 3 and the lower hinge 2 to abut against the upper hinge 3 and the lower hinge 2, preventing the burst mold from damaging the lining trolley. In this embodiment, the reinforcing rod 503 is a steel pipe, which can be fabricated on-site in the steel reinforcement shed.

[0050] Specifically, a collar 502 is welded onto the end plate 5. The collar 502 is a steel bar ring, and the reinforcing rod 503 is inserted into the collar 502 to abut against the upper hinge 3 and the lower hinge 2.

[0051] A reinforcing strip 7 is also provided on the outside of the end plate 5. The reinforcing strip 7 is placed between the lower hinge 2 and the concrete wall 9 and is limited by the reinforcing rod 503. The reinforcing strip 7 and the reinforcing rod 503 work together to press the end plate 5, the upper hinge 3 and the lower hinge 2 together. In this embodiment, the reinforcing strip 7 is a wooden board.

[0052] During dismantling, the steel pipes and wooden boards are removed first. The upper hinge 3 and the end plate 5 are folded inwards towards the tunnel, and the lower hinge 2 is flipped downwards to complete the formwork removal, allowing the next process to proceed. The operation is convenient and simple. The positioning clamps used in this embodiment are used to set the waterstop 8. The waterstop 8 has high straightness, precise positioning, and is firmly and reliably secured. During the concrete 9 pouring process, there will be no detachment or misalignment, saving steps and improving construction efficiency.

[0053] The upper hinge 3, lower hinge 2, and positioning connecting block 1 used in this embodiment can be pre-processed in the factory to ensure structural integrity, precision, reliability, and quality compliance.

[0054] It is worth mentioning that the construction process of the embedded waterstop 8 in the tunnel lining ring is as follows: construction preparation → installation of waterstop 8 → installation of tunnel inner side formwork → installation of end plate 5 → concrete 9 pouring → formwork removal and acceptance.

[0055] An embodiment of this utility model also provides a lining trolley, including the above-mentioned positioning clamp. The positioning clamp can be installed on the lining trolley. Setting the positioning clamp together with the lining trolley is not only convenient to use and eliminates the need for repeated installation and disassembly of the positioning connecting block 1, but also allows it to be removed together with the lining trolley without the need for separate removal.

[0056] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model 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 utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A positioning clamp for a waterstop, characterized in that, include: Positioning connecting block (1); The lower hinge (2) is rotatably connected to the positioning connecting block (1) at one end, and the lower hinge (2) includes a first card end face (201); The upper hinge (3) is rotatably connected at one end to the lower hinge (2). The upper hinge (3) includes a second locking end face (301), which corresponds to the position of the first locking end face (201). A clamping chamber (4) for clamping the waterstop (8) is formed between the second locking end face (301) and the first locking end face (201).

2. The positioning clamp for the waterstop according to claim 1, characterized in that, The lower hinge (2) is provided with an adjustment groove (202), the upper hinge (3) is connected to the adjustment groove (202), and the upper hinge (3) can move along the adjustment groove (202).

3. The positioning clamp for the waterstop according to claim 2, characterized in that, The edge of the adjusting slide (202) is provided with a scale (203).

4. The positioning clamp for the waterstop according to claim 1, characterized in that, The positioning connecting block (1) is fixedly connected to the inside of the panel (6) of the lining trolley.

5. The positioning clamp for the waterstop according to claim 4, characterized in that, A head plate (5) is provided between the positioning clamp and the end face of the concrete (9), and the head plate (5) is connected to the lining trolley.

6. The positioning clamp for the waterstop according to claim 5, characterized in that, The inner side of the panel (6) of the lining trolley is detachably connected to an arc-shaped flange plate (501), and the positioning connecting block (1) is installed on the arc-shaped flange plate (501).

7. The positioning clamp for the waterstop according to claim 5, characterized in that, A reinforcing rod (503) is provided on the outer side of the end plate (5). The reinforcing rod (503) is connected to the upper hinge (3) and the lower hinge (2) to abut against the upper hinge (3) and the lower hinge (2).

8. The positioning clamp for the waterstop according to claim 7, characterized in that, The end plate (5) is provided with a collar (502), and the reinforcing rod (503) is inserted into the collar (502) to abut against the upper hinge (3) and the lower hinge (2).

9. The positioning clamp for the waterstop according to claim 8, characterized in that, A reinforcing strip (7) is also provided on the outside of the end plate (5). The reinforcing strip (7) is located between the lower hinge (2) and the concrete (9) wall and is limited by the reinforcing rod (503).

10. A lining trolley, characterized in that, include: The positioning clamp as described in any one of claims 1 to 9.

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