Steel pipe column concrete jacking connector structure

By combining the joint clamp and U-shaped pipe clamp, the problem of slowed jacking speed and reduced safety caused by the stop valve in the concrete jacking joint of the steel pipe column is solved, realizing an efficient and safe concrete jacking process, and the structure can be reused.

CN223907873UActive Publication Date: 2026-02-13CHINA MCC20 GRP CORP LTD
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Patent Information

Application Number
CN202520354672.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-02-13
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Existing concrete jacking joints for steel pipe columns require the installation of flow-stop valves, which slows down the jacking speed, reduces construction safety, and increases costs.

Method used

The system employs a combination structure of joint clamps, lifting pipes, and U-shaped pipe clamps. The arc-shaped clamp plate is adapted to the outer wall of the steel pipe column and fixed with U-shaped pipe clamps and nuts. Combined with elastic sealing gaskets, it prevents grout leakage and eliminates the need for a check valve.

Benefits of technology

It improves the jacking speed, enhances construction safety, reduces construction costs, and the structure is reusable, easy to seal, and simple to construct.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel pipe column construction, in particular to a steel pipe column concrete jacking connector structure which comprises a connector hoop, a jacking pipe and a U-shaped pipe clamp. The connector hoop comprises an arc-shaped hoop plate and two lug plates fixed to the two ends of the arc-shaped hoop plate respectively, the radian of the inner side of the arc-shaped hoop plate is matched with the radian of the outer wall of the steel pipe column, and a pipe hole matched with a jacking hole in the steel pipe column is formed in the middle of the arc-shaped hoop plate. The jacking pipe is fixed on the outer side of the arc-shaped hoop plate corresponding to the pipe hole; the arc-shaped hoop plate covers the steel pipe column, the pipe hole corresponds to the jacking hole, the U-shaped pipe clamp is clamped on the steel pipe column, and the two ends of the U-shaped pipe clamp are inserted into the pipe clamp connecting holes of the two lug plates respectively and fixed through nuts so that the connector hoop can be fixed to the steel pipe column. The utility model discloses a steel pipe column concrete jacking connector structure which is high in construction efficiency, smaller in jacking pressure and higher in safety.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe column construction technical field especially relates to a steel pipe column concrete jacking joint structure. BACKGROUND

[0002] The steel structure plant composed of steel pipe concrete column needs to weld a short pipe with the concrete delivery pipe with a snap ring connection at the hole position, and also needs to set a concrete backflow prevention device on the short pipe, and also needs to set a flow stop valve at the hole position, the flow stop valve is welded in the pipe by three flat iron in the shape of Chinese character'mi', this kind of joint structure will make the space of the concrete into the steel pipe smaller, leading to the jacking speed slowing down, and a greater pressure is needed in the jacking process to jack the concrete to the required position, so that the safety in the construction process decreases and the construction cost increases. SUMMARY

[0003] In view of the above problems, the utility model discloses a steel pipe column concrete jacking joint structure to solve the problems that the steel pipe column concrete jacking joint needs to set a flow stop valve in the prior art, and the flow stop valve at the hole position will slow down the jacking concrete speed.

[0004] A steel pipe column concrete jacking joint structure, comprising: a joint clamp, a jacking pipe and a U-shaped pipe clamp.

[0005] The joint clamp comprises an arc-shaped clamp plate and two ear plates fixed at both ends of the arc-shaped clamp plate respectively, the inner side curvature of the arc-shaped clamp plate is matched with the outer wall curvature of the steel pipe column, pipe clamp connection holes are respectively arranged on the two ear plates, a pipe hole is formed in the middle of the arc-shaped clamp plate, and the pipe hole is matched with the jacking hole on the steel pipe column, and the jacking pipe is fixed outside the arc-shaped clamp plate corresponding to the pipe hole.

[0006] The outer walls of both ends of the U-shaped pipe clamp are provided with threads, the arc-shaped clamp plate covers the steel pipe column and the pipe hole is matched with the jacking hole, the U-shaped pipe clamp is clamped on the steel pipe column, both ends of the U-shaped pipe clamp are inserted into the pipe clamp connection holes of the two ear plates respectively and are fixed by nuts, so that the joint clamp is fixed on the steel pipe column, and an elastic sealing gasket is arranged between the arc-shaped clamp plate and the outer wall of the steel pipe column.

[0007] In some embodiments, the elastic sealing gasket is rubber skin.

[0008] In some embodiments, the rubber skin is attached to the inner side of the arc-shaped clamp plate.

[0009] In some embodiments, a pipe clamp connection hole is arranged on the upper and lower sides of the ear plate, and two U-shaped pipe clamps are arranged on the U-shaped pipe clamp.

[0010] In some embodiments, the middle part of the ear plate is provided with a knocking block.

[0011] In some embodiments, the knocking block is made of iron.

[0012] Compared with the prior art, the utility model has one of the following advantages or beneficial effects:

[0013] The utility model discloses a steel pipe column concrete jacking joint structure which is high in construction efficiency, small in jacking pressure and high in safety, and the joint structure has high reusability, simple prefabrication method and convenient jacking plugging, and is compact. The joint structure reduces the inconvenience caused by the short pipe welded on the steel pipe column to connect the concrete delivery pipe during the jacking of the steel pipe column concrete, optimizes the jacking construction process and improves the safety during the construction process. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model and its features, shape and advantages will become more obvious by reading the detailed description of the non-restrictive embodiments with reference to the following drawings. The same signs in the whole layer drawing indicate the same layer part. The drawings can not be drawn according to the scale, and the emphasis is on showing the main idea of the utility model.

[0015] Fig. 1 It is the front view of the steel pipe column concrete jacking joint structure in the utility model embodiment;

[0016] Fig. 2 It is the side view of the steel pipe column concrete jacking joint structure in the utility model embodiment;

[0017] Fig. 3 It is the application overhead view of the multiple steel pipe column concrete jacking joint structure in the utility model embodiment;

[0018] 1, arc hoop plate;2, ear plate;21, pipe clamp connecting hole;3, jacking pipe;4, knocking block;5, U type pipe clamp;6, nut;7, elastic sealing gasket;8, steel pipe column. DETAILED DESCRIPTION

[0019] The utility model will be further explained in combination with the drawings and specific embodiments, but not as the limitation of the utility model.

[0020] As Figs. 1-3As shown, the embodiment discloses a steel pipe column concrete jacking joint structure, specifically, the steel pipe column concrete jacking joint structure comprises a joint hoop, a jacking pipe 3 and a U-shaped pipe clamp 5; the joint hoop comprises an arc-shaped hoop plate 1 and two ear plates 2 (the ear plate 2 is a flat plate) fixed at both ends of the arc-shaped hoop plate 1 respectively, the two ends of the arc-shaped hoop plate 1 are fixed with the ear plate 2 through welding, the inner side curvature of the arc-shaped hoop plate 1 is matched with the outer wall curvature of the steel pipe column 8 (for example, the steel pipe column 8 is circular, and the inner side curvature of the arc-shaped hoop plate 1 is a circular arc structure with the same diameter as the steel pipe column 8), and the two ear plates 2 are respectively provided with pipe clamp connecting holes 21 correspondingly, a pipe hole is formed in the middle of the arc-shaped hoop plate 1, and the pipe hole is matched with the jacking hole on the steel pipe column 8, the jacking pipe 3 is welded and fixed outside the arc-shaped hoop plate 1 correspondingly, and the jacking pipe 3 is used for connecting the concrete conveying pipe; the outer walls of both ends of the U-shaped pipe clamp 5 are provided with threads, the arc-shaped hoop plate 1 is covered on the outer wall of the steel pipe column 8 and the pipe hole is matched with the jacking hole on the steel pipe column 8, the U-shaped pipe clamp 5 is clamped on the steel pipe column 8, and the two ends of the U-shaped pipe clamp 5 are respectively inserted into the corresponding pipe clamp connecting holes 21 of the two ear plates 2 and fixed through the nuts 6, so as to clamp the joint hoop on the steel pipe column 8 (that is, the U-shaped pipe clamp 5 is used for fixing the arc-shaped hoop plate 1 on the steel pipe column 8 to prevent slurry leakage), and the elastic sealing gasket 7 is arranged between the arc-shaped hoop plate 1 and the outer wall of the steel pipe column 8, specifically, the elastic sealing gasket 7 is rubber skin attached to the inner side of the hoop plate; the steel pipe column concrete jacking joint structure does not need a stop valve, so that the construction progress of jacking is accelerated, the increase of pressure in the jacking process is reduced, the safety in construction is increased, and the cost in construction is reduced.

[0021] Specifically, the upper and lower sides of the ear plate 2 are provided with a pipe clamp connecting hole 21 respectively, correspondingly, the U-shaped pipe clamp 5 is provided with two on the upper and lower sides, and the middle of the ear plate 2 is provided with a knocking block 4, the knocking block 4 is made of iron, and the knocking block 4 is a knocking point to perform joint structure turning and plugging after the concrete jacking is completed.

[0022] The steel pipe column concrete jacking joint structure in the utility model is used for the concrete jacking work of the steel pipe column 8, and the steel pipe column 8 with the same diameter pipe material, the jacking pipe 3, the rubber skin, the U-shaped pipe clamp 5 and the 5mm thick iron sheet need to be prepared before construction, and the pipe material cutting, the pipe hole opening and the pipe clamp connecting hole 21 are sequentially carried out, the jacking pipe 3 is welded, the rubber skin is well pasted on the inner wall, the operation of welding and fixing the iron sheet as the knocking block 4 is carried out, the arc-shaped hoop plate 1 is pasted on the steel pipe column 8 during construction and the jacking hole is well drawn, the jacking hole opening treatment is carried out, then the joint hoop is fixed to the steel pipe column 8 by using the U-shaped pipe clamp 5, the pipe hole on the joint hoop is aligned with the opening position, the concrete conveying pipe is connected on the jacking pipe 3 to carry out the concrete pouring, when the jacking concrete air hole is out, the jacking is stopped, at this time, the nut 6 on the U-shaped pipe clamp 5 is slightly loosened, the knocking point is hammered until the joint hoop can be rotated left and right, the nut 6 is tightened after the jacking hole is closed, the concrete conveying pipe connection can be released, of course, if the width of the arc-shaped hoop plate 1 is relatively large, the arc-shaped hoop plate 1 can also be moved up and down, as long as the plate material part of the arc-shaped hoop plate 1 can cover the hole, after the initial setting of the concrete in the pipe is completed, the joint structure can be taken down for the next jacking use. The steel pipe column concrete jacking joint structure in the utility model has the following advantages: reusing, being convenient for plugging, simple manufacturing and simple operation.

[0023] Those skilled in the art should understand that the skilled in the art can realize the change example in combination with the prior art and the above-mentioned embodiments, which is not described here. Such change example does not affect the essential content of the utility model, which is not described here.

[0024] The preferred embodiments of the utility model are described above. It should be understood that the utility model is not limited to the above-mentioned specific implementation, and the equipment and structure not described in detail should be understood as being implemented in the ordinary way in the art; any skilled in the art can make many possible changes and modifications to the technical scheme of the utility model by using the disclosed method and technical content without departing from the scope of the technical scheme of the utility model, or modify the equivalent embodiments of equivalent changes, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification made to the above-mentioned embodiments according to the technical essence of the utility model without departing from the content of the technical scheme of the utility model still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A steel pipe column concrete jacking joint structure, characterized by, The utility model relates to a joint clamp, a jacking pipe and a U-shaped pipe clamp. The joint clamp comprises an arc-shaped clamp plate and two ear plates fixed at two ends of the arc-shaped clamp plate respectively, the inner side curvature of the arc-shaped clamp plate is matched with the outer wall curvature of the steel pipe column, and a pipe clamp connecting hole is arranged on each of the two ear plates correspondingly, a pipe hole is formed in the middle of the arc-shaped clamp plate, and the pipe hole is matched with a jacking hole on the steel pipe column, and the jacking pipe is fixed on the outer side of the arc-shaped clamp plate correspondingly. The outer wall of the U-shaped pipe clamp is provided with threads at two ends, the arc-shaped clamp plate is covered on the steel pipe column and the pipe hole is matched with the jacking hole, the U-shaped pipe clamp is clamped on the steel pipe column, the two ends of the U-shaped pipe clamp are inserted into the pipe clamp connecting holes of the two ear plates respectively and are fixed through nuts, so that the joint clamp is fixed on the steel pipe column, and an elastic sealing gasket is arranged between the arc-shaped clamp plate and the outer wall of the steel pipe column. The elastic sealing gasket is rubber skin.

2. The steel pipe column concrete jacking joint structure according to claim 1, wherein The rubber skin is attached to the inner side of the arc-shaped clamp plate.

3. The steel pipe column concrete jacking joint structure according to claim 2, wherein A pipe clamp connecting hole is arranged on the upper and lower sides of the ear plate, and two pipe clamp connecting holes are arranged on the U-shaped pipe clamp.

4. The steel pipe column concrete jacking joint structure according to claim 1, wherein A knocking block is arranged in the middle of the ear plate.

5. The steel pipe column concrete jacking connection structure according to claim 1, wherein The knocking block is made of iron.

6. The steel pipe column concrete jacking connection structure according to claim 5, wherein ​