Concrete pipe floor buffer damping quick release device

Abstract

This utility model relates to the technical field of concrete conveying pump pipe installation on construction sites, specifically to a quick-release device for floor buffering and damping of concrete pipes. It includes a rectangular frame, with external positioning tubes fixedly installed at each of the four corners of the frame. Each external positioning tube is fixedly connected to the first end of a corresponding spring, and the second end of the spring is located inside a corresponding inner positioning tube. The inner positioning tube is fixedly installed on the outer wall of a pipe clamp. The quick-release device for floor buffering and damping of concrete pipes provided by this utility model can effectively solve the problems of grout leakage due to formwork damage and poor stability of the formwork support system caused by the traditional wooden frame fixing method used for concrete pouring pump pipes penetrating floors.

Description

Technical Field

[0001] This utility model relates to the technical field of concrete conveying pump pipe installation on construction sites, specifically to a quick-release device for floor buffer damping of concrete pipes. Background Technology

[0002] With the rapid development of the construction industry, concrete pumping and pouring construction has been widely promoted and used. However, the elbows of traditional concrete pump pipes at the floor penetration points are prone to swaying left and right and back and forth during pouring due to the pumping action. Traditionally, formwork is pre-installed, and after the elbows are installed, a wooden frame is fixed to the top of the formwork with nails. The pump pipe is then reinforced with sawdust and filled with flexible stuffing bags. Often, during pouring, the pumping pressure causes: formwork damage at the floor penetration point, grout leakage, and wasted concrete; the rigid reinforcement of the pump pipe lacks buffering during pumping, affecting the stability of the formwork support system; and after pumping, the formwork at this point is severely damaged, resulting in slag inclusions, loose concrete, poor forming quality, and potential leakage when exposed to water later. Utility Model Content

[0003] To address the technical problems in the existing technology, this utility model provides a quick-release device for buffering and damping concrete pipe floors, specifically achieved through the following technical solution:

[0004] A quick-release device for buffering and damping concrete pipe floors includes a rectangular frame, with outer positioning tubes fixedly installed at the four corners of the frame. Each outer positioning tube is fixedly connected to the first end of a corresponding spring, and the second end of the spring is located inside the corresponding inner positioning tube. The inner positioning tube is fixedly installed on the outer wall of the pipe clamp.

[0005] The pipe clamp is located inside the frame and is used to fix it to the outer wall of the bend in the pump pipe.

[0006] The pipe clamp includes two limiting half-rings, and each end of the limiting half-ring is fixedly installed with a second connecting lug. The corresponding second connecting lugs on the two limiting half-rings are connected by a second bolt.

[0007] The frame includes two U-shaped outer frames (1), and the ends of the two side walls of the outer frames (1) are welded with first connecting ears (9). The corresponding first connecting ears (9) of the two outer frames (1) are connected by first bolts.

[0008] The frame is a square structure with a size of 400mm × 400mm and a height of 110mm.

[0009] The inner diameter of the pipe clamp is 150mm.

[0010] The spring is a compression spring.

[0011] A rubber gasket is installed on the inner wall of the pipe clamp.

[0012] The second connecting lug is a nut that engages with the second bolt.

[0013] The first connecting lug is a nut that engages with the first bolt.

[0014] The technical solution of this utility model has the following advantages:

[0015] The concrete pipe floor buffer damping quick-release device provided by this utility model can effectively solve the technical problems existing in the traditional wooden frame fixing method at the floor penetration of concrete pouring pump pipe, such as formwork damage and grout leakage, rigid embedding of pump pipe without buffering leading to poor stability of formwork support system, loose concrete slag at the joint and easy leakage in the later stage, and severe damage to the formwork that cannot be reused.

[0016] This device employs a 400mm x 400mm square steel frame, 110mm high, formed by two U-shaped outer frames connected by a first bolt. Compared to traditional wooden frames, this increases structural rigidity, enabling it to withstand the impact force during pumping without displacement or damage. The standardized dimensions precisely fit the pre-drilled holes in the formwork. Combined with rubber gaskets installed on the inner wall of the pipe clamps, it fills the tiny gaps between the pipe clamps and the pump pipe, enhancing local sealing and effectively preventing grout leakage during concrete pouring. This reduces concrete waste and prevents grout erosion of the formwork, extending its lifespan. By connecting compression springs between the outer positioning pipes at the four corners of the frame and the inner positioning pipes on the outer wall of the pipe clamps, a buffer transmission path is formed. The shaking caused by pumping pressure during pouring is transmitted through the pipe clamps to the compression springs. The compression springs absorb the impact force through their contraction and expansion damping motion, significantly reducing the direct force of the pump pipe on the formwork support system, ensuring the stability of the formwork support system, and solving the problems of traditional... The rigid, unbuffered mounting method overcomes the drawbacks of traditional methods. By using pipe clamps with an inner diameter of 150mm, formed by two limiting semi-rings connected by a second bolt, the pump pipe bends can be precisely gripped, preventing gaps between the clamps and the pump pipe that could lead to concrete inclusions. The bolted connection ensures uniform clamping force during installation, preventing localized loosening and gaps. Combined with the standardized frame height, this creates a regular pouring space at the pump pipe penetration points, ensuring the concrete fully fills the joint area during vibration. After hardening, the joint concrete has high density and accurate dimensions, eliminating the risk of later leakage due to inclusions or looseness, thus improving construction quality and appearance. Furthermore, the bolted connection between the frame and pipe clamps allows for quick and easy assembly and disassembly. All components are made of steel, making them wear-resistant and impact-resistant. They maintain structural integrity even after multiple pours and disassemblies, allowing for repeated reuse. This aligns with green construction principles, reducing wood consumption and construction waste, lowering construction costs, and improving economic efficiency. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the pump pipe installation.

[0020] In the figure, 1-outer frame, 2-first outer positioning tube, 3-first spring, 4-first inner positioning tube, 5-second outer positioning tube, 6-second spring, 7-second inner positioning tube, 8-first bolt, 9-first connecting lug, 10-limiting half ring, 11-second connecting lug, 12-second bolt;

[0021] 100-body, 200-pump tube. Detailed Implementation

[0022] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] In the description of this utility model, 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. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module 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 utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 utility model based on the specific circumstances.

[0025] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0026] As attached Figure 1 and attached Figure 2 As shown, this utility model provides a quick-release device for buffering and damping concrete pipe floors. The device is square in shape, and the main body 100 of the device is composed of two identical limiting structures connected by bolts.

[0027] Specifically, the limiting structure includes a U-shaped outer frame 1, which is welded from angle steel.

[0028] The two side walls of the outer frame 1 are each welded with a first connecting lug 9. A first outer positioning tube 2 and a second outer positioning tube 5 are respectively welded and fixed at the two corners of the outer frame 1. The axes of the first outer positioning tube 2 and the second outer positioning tube 5 are both at a 45-degree angle to the axis of the outer frame 1. Furthermore, the axes of the first outer positioning tube 2 and the second outer positioning tube 5 are located in the same plane and intersect at an angle of 90 degrees.

[0029] The first outer positioning tube 2 and the second outer positioning tube 5 have the same structure, both being circular metal tubes.

[0030] The first end of the first spring 3 is fixedly installed inside the first outer positioning tube 2, that is, the first end of the first spring 3 is located inside the first outer positioning tube 2 and is fixed. The fixing method can be the existing technology of bolt limit or spring seat.

[0031] The second end of the first spring 3 is located in the first inner positioning tube 4 and is fixedly connected to the first inner positioning tube 4; the connection method between the first spring 3 and the first inner positioning tube 4 is the same as the connection method between the first outer positioning tube 2 and the first spring 3.

[0032] The length of the first spring 3 is greater than the sum of the lengths of the first outer positioning tube 2 and the first inner positioning tube 4.

[0033] The axis of the first spring 3 coincides with the axis of the first outer positioning tube 2.

[0034] The first end of the second spring 6 is fixedly installed inside the second outer positioning tube 5, and the second end of the second spring 6 is fixedly installed inside the second inner positioning tube 7. The fixing method of the second spring 6 is the same as that of the first spring 3.

[0035] The length of the second spring 6 is greater than the sum of the lengths of the second outer positioning tube 5 and the second inner positioning tube 7.

[0036] The axis of the second spring 6 coincides with the axis of the second outer positioning tube 5.

[0037] The structure of the second inner positioning tube 7 is exactly the same as that of the first inner positioning tube 4.

[0038] The structure of the second spring 6 is exactly the same as that of the first spring 3.

[0039] In this embodiment, the second spring 6 and the first spring 3 are two identical compression springs with a diameter of 6mm, a coil diameter of 40mm, and a length of 50 to 100mm.

[0040] Both the second inner positioning tube 7 and the first inner positioning tube 4 are fixed to the outer wall of the limiting semi-ring 10. For example... Figure 1 As shown, the limiting semi-ring 10 is semi-circular, and the second connecting ears 11 are fixedly installed at both ends.

[0041] When in use, the two limiting structures need to be connected by bolts, that is, the first connecting ears 9 corresponding to the two outer frames 1 are connected by the first bolt 8; the second connecting ears 11 corresponding to the two limiting half rings 10 are connected by the second bolt 12.

[0042] In this embodiment, the first connecting lug 9 can be a nut that can engage with the first bolt 8, or it can be a plate with a through hole. In this case, the nut needs to be tightened after the first bolt 8 passes through the plate. To prevent the first bolt 8 from being lost, the first connecting lug 9 preferably uses a nut that can engage with the first bolt 8.

[0043] Similarly, the second connecting lug 11 can be a nut that can engage with the second bolt 12, or it can be a plate with a through hole, in which case the second bolt 12 needs to be screwed on with a nut after passing through the plate. In this embodiment, the second connecting lug 11 is preferably a nut that can engage with the second bolt 12.

[0044] The two limiting structures are combined to form the following: Figure 1 The main body 100 shown comprises two outer frames 1 combined to form a square frame with sides of 400mm × 400mm and a height of 110mm. An outer positioning tube is fixedly installed at each of the four corners of the frame. Each outer positioning tube is fixedly connected to the first end of a corresponding spring, with the first end of the spring located inside the corresponding outer positioning tube. The four outer positioning tubes are located at the ends of two diagonals of the frame.

[0045] Two limiting semi-rings 10 are combined to form a circular pipe clamp. The outer wall of the pipe clamp is fixedly installed with inner positioning tubes that correspond one-to-one with the outer positioning tubes. The second end of the spring is fixedly installed inside the corresponding inner positioning tube.

[0046] The length of the spring is greater than the sum of the lengths of its corresponding outer and inner positioning tubes.

[0047] The pipe clamps are located within the frame.

[0048] In this embodiment, the inner diameter of the pipe clamp is 150mm.

[0049] Of course, the frame in this utility model can also be rectangular.

[0050] Before pumping concrete, fix the pipe clamps to the outer wall of the bend penetrating the pouring layer (with internal rubber pads). Then, place the four sets of compression springs into their corresponding positioning pipes. Connect and tighten the frame with bolts. Set the assembled device into the reserved pumping port on the formwork. Securely fix the front section of the bend and firmly embed it around the pumping pipe inlet on the lower floor. During concrete pouring, the pumping pressure is transmitted to the compression springs through the pipe clamps. The compression springs reduce resistance through expansion and contraction and damping, minimizing the impact on the stability of the formwork support. Once installed, it does not need to be removed during the pouring process.

[0051] This utility model boasts high rigidity and easy disassembly: Traditional reinforcement measures (nailing wooden frames) for concrete pumping operations suffer from poor rigidity. During the pouring process, the pump pipe's impact causes the wooden frame to shift and break, resulting in severe concrete leakage. This utility model uses a steel frame welded from angle iron, with internal pipe clamps of 150mm inner diameter. Pre-drilled 400mm×400mm holes are pre-drilled during formwork erection. It only requires simple assembly and quick disassembly of components, resulting in high rigidity, no breakage, easy disassembly, and flexible reuse.

[0052] Good buffering, damping and stability: This device is equipped with four sets of 6mm diameter compression springs, with spring coils of 40mm diameter and lengths of 50 to 100mm. During concrete pouring, the pump pipe 200 transmits the pumping pressure to the four sets of compression springs through the outer wall of the pipe clamp. The compression springs contract and relax to dampen and buffer, effectively reducing the pumping pressure and thus reducing the impact on the stability of the formwork support.

[0053] High-quality concrete pouring at joints: This utility model features standardized processing, with a frame size of 400mm×400mm and a height of 110mm. Pouring and vibration will not cause concrete leakage. After the concrete hardens and is dismantled, the dimensions and positions are accurate and the concrete is dense, improving the quality and appearance of concrete construction and effectively avoiding the risk of water seepage caused by slag inclusions or inadequate post-treatment.

[0054] High economic benefits: Advocating green construction, the buffer damping devices for the pouring layer are all made of scrap steel materials, which are not easily damaged and can be reused multiple times.

[0055] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A quick-release device for buffering and damping concrete pipe floors, characterized in that: The device includes a rectangular frame, with external positioning tubes fixedly installed at each of the four corners of the frame. Each external positioning tube is fixedly connected to the first end of a corresponding spring, and the second end of the spring is located inside the corresponding inner positioning tube. The inner positioning tube is fixedly installed on the outer wall of the pipe clamp.

2. The quick-release device for concrete pipe floor buffer damping according to claim 1, characterized in that: The pipe clamp is located within the frame and is used to fix it to the outer wall of the bend of the pump pipe (200).

3. The quick-release device for buffering and damping concrete pipe floors according to claim 1, characterized in that: The pipe clamp includes two limiting half rings (10), and each end of the limiting half ring (10) is fixedly installed with a second connecting ear (11). The corresponding second connecting ears (11) on the two limiting half rings (10) are connected by a second bolt (12).

4. The quick-release device for buffering and damping concrete pipe floors according to claim 1, characterized in that: The frame includes two U-shaped outer frames (1), and the ends of the two side walls of the outer frames (1) are welded with first connecting ears (9). The corresponding first connecting ears (9) of the two outer frames (1) are connected by first bolts.

5. The quick-release device for concrete pipe floor buffer damping according to claim 1, characterized in that: The frame is a square structure with a size of 400mm × 400mm and a height of 110mm.

6. The quick-release device for concrete pipe floor buffer damping according to claim 1, characterized in that: The inner diameter of the pipe clamp is 150mm.

7. The quick-release device for concrete pipe floor buffer damping according to claim 1, characterized in that: The spring is a compression spring.

8. The quick-release device for concrete pipe floor buffer damping according to claim 1, characterized in that: A rubber gasket is installed on the inner wall of the pipe clamp.

9. The quick-release device for buffering and damping concrete pipe floors according to claim 3, characterized in that: The second connecting lug (11) engages with the nut of the second bolt (12).

10. The quick-release device for concrete pipe floor buffer damping according to claim 4, characterized in that: The first connecting lug (9) is a nut that engages with the first bolt (8).

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