Concrete pouring buffer device for roof engineering

By designing a concrete pouring buffer device with components such as sleeves, guide rings, and buffer strips, the problem of lightweight aggregate dispersion caused by the lack of buffering in traditional pump pipes has been solved. This enables rapid replacement of vulnerable parts and cost reduction, thereby improving construction quality and efficiency.

CN224106752UActive Publication Date: 2026-04-10NO 4 CONSTR & INSTALLATION ENG CORP OF XINJIANG P C G
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NO 4 CONSTR & INSTALLATION ENG CORP OF XINJIANG P C G
Filing Date
2025-05-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In roof construction, traditional concrete pump pipes lack buffer devices, which makes the lightweight aggregate leveling layer easily dispersed, affecting the strength and flatness of the leveling layer. At the same time, the baffles are easily worn, difficult to replace, and costly.

Method used

A concrete pouring buffer device was designed, comprising a sleeve, a guide ring, a buffer protrusion, a guide seat, and a buffer strip. By dispersing and reducing the impact force of concrete, the device uses a detachable and easily replaceable rubber sleeve and polyurethane material to reduce wear and maintenance costs.

Benefits of technology

It effectively disperses the impact force of concrete, reduces the dispersion of lightweight aggregates, simplifies the replacement of vulnerable parts, reduces usage costs, and improves construction quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building construction equipment, in particular to a roof engineering concrete pouring buffering device. The sleeve II is a rubber sleeve; the lower part of the sleeve II sleeves the upper part of the sleeve I; the pump pipe can be sleeved with the upper portion of the second sleeve. The flow guide ring is arranged on the inner wall of the sleeve I; the connecting frame comprises a support and a supporting pipe. The bracket is arranged on the inner wall of the sleeve I; the supporting pipe is arranged on the support, and the supporting pipe and the first sleeve are coaxially distributed. The buffering raised head is placed in the supporting pipe and is supported by the supporting pipe; the flow guide seat is placed on the connecting frame; a diversion hole is formed in the middle of the diversion seat; the upper end of the flow guide seat is a spiral flow guide surface which is inclined downwards from outside to inside; the discharging hopper is rotatably arranged at the lower end of the sleeve I in a sleeving manner; a feeding hole of the discharging hopper is communicated with the flow guide hole; a discharging channel of the discharging hopper is arranged in the horizontal direction. By the adoption of the concrete pumping pump pipe, impact force on a lightweight aggregate sloping layer during discharging of the concrete pumping pump pipe can be dispersed and relieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building construction equipment technical field especially relates to a roof engineering concrete pouring buffer device. BACKGROUND

[0002] In roof engineering construction, light aggregate is usually used for the slope layer, which is light and poor in integrity; most of the discharge outlets of traditional concrete pump pipes do not have a buffer device, and some pump pipes reduce the flow rate of concrete by setting multiple baffles in the pipeline along the extension direction of the pipeline, the discharge outlet is directly downward or obliquely downward, so that the concrete has a downward impact force when flowing out of the discharge outlet, and the impact point is relatively concentrated, which leads to the light aggregate being easily scattered and mixed in the concrete and floating on the surface during pouring, affecting the strength and flatness of the leveling layer, and further affecting the subsequent waterproof construction operation; moreover, the baffles are welded in the pipeline, which is inconvenient to operate and difficult to process, and the baffles are directly impacted by concrete, which wears out quickly, and after wearing out, the baffles are not easy to replace, usually requiring replacement of new buffer devices, which has a high use cost. SUMMARY

[0003] Therefore, the utility model provides a roof engineering concrete pouring buffer device, which mainly aims to disperse and reduce the impact force of the light aggregate slope layer when the pumped concrete pump pipe discharges, and the easy-to-wear parts are convenient and quick to replace, and have a low use cost.

[0004] To achieve the above-mentioned purpose, the utility model mainly provides the following technical scheme:

[0005] The utility model discloses an embodiment provides a roof engineering concrete pouring buffer device, which comprises: a sleeve one, a sleeve two, a flow guide ring, a connecting frame, a buffer protrusion, a flow guide seat, a discharge hopper and a buffer strip.

[0006] The sleeve one is a steel sleeve structure;

[0007] The sleeve two is a rubber sleeve; the lower part of the sleeve two is sleeved on the upper part of the sleeve one and locked by a clamp one; the upper part of the sleeve two can be sleeved on the pump pipe and locked by a clamp two;

[0008] The flow guide ring is detachably fixed on the inner wall of the sleeve one and coaxially distributed with the sleeve one; the upper side of the flow guide ring is inclined downward from outside to inside;

[0009] The connecting frame comprises: a support and a support pipe;

[0010] The support is fixedly arranged on the inner wall of the sleeve one; the support pipe is fixedly arranged on the support and coaxially distributed with the sleeve one; the support pipe is located below the flow guide ring;

[0011] The upper part of the buffer protrusion has a spherical protrusion; the outer diameter of the spherical protrusion is smaller than the inner diameter of the flow guide ring; the lower part of the buffer protrusion is cylindrical;

[0012] The lower part of the buffer protrusion is placed in the support pipe and is supported by the support pipe;

[0013] The flow guide seat is located in the sleeve one and is placed on the connecting frame; the middle part of the flow guide seat has a flow guide hole; the upper end of the flow guide seat is a spiral flow guide surface which is arranged downwardly and obliquely from outside to inside; the flow guide seat is located below the buffer protrusion;

[0014] The discharge hopper is rotatably sleeved at the lower end of the sleeve one; the feeding port of the discharge hopper is in communication with the flow guide hole; the discharge channel of the discharge hopper is arranged in a horizontal direction;

[0015] The buffer strip is fixed at the bottom of the discharge channel.

[0016] Further, the buffer protrusion is integrally formed of polyurethane.

[0017] Further, the flow guide seat is made of polyurethane profile or nylon ring;

[0018] The flow guide ring is a polyurethane ring.

[0019] Further, the buffer strip is a strip-shaped rubber profile.

[0020] Further, the buffer strip is fixed at the bottom of the discharge channel by bonding or by fasteners.

[0021] Further, the lower end of the sleeve one is provided with connecting holes; the connecting holes are multiple; the multiple connecting holes are arranged in an array with the axis of the sleeve one as the center line;

[0022] The support frame is locked on the connecting holes by fasteners.

[0023] By means of the above technical scheme, the roof engineering concrete pouring buffer device has at least the following advantages:

[0024] The impact force on the lightweight aggregate slope layer when the pump pipe discharges the pumped concrete can be dispersed and reduced, the replacement of the vulnerable parts is convenient and fast, and the use cost is low.

[0025] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A schematic view of a roof engineering concrete pouring buffer device is provided for the embodiments of the utility model.

[0027] As shown in the figure:

[0028] 1 is a clamp two, 2 is sleeve two, 3 is a clamp one, 4 is a flow guide ring, 5 is a buffer head, 6 is sleeve one, 7 is a support tube, 8 is a flow guide seat, 9 is a support, 10 is a discharge hopper, 11 is a buffer strip. DETAILED DESCRIPTION

[0029] In order to further illustrate the technical means and effects taken by the utility model to achieve the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model application are described in detail as follows in combination with the drawings and preferred embodiments. In the following description, different "an embodiment" or "embodiments" do not necessarily refer to the same embodiment. In addition, the specific features, structures or characteristics in one or more embodiments can be combined in any suitable form.

[0030] As Figure 1 shown, one embodiment of the utility model provides a roof engineering concrete pouring buffer device, which comprises: sleeve one 6, sleeve two 2, flow guide ring 4, connecting frame, buffer head 5, flow guide seat 8, discharge hopper 10 and buffer strip 11; sleeve one 6 is a steel sleeve structure; sleeve two 2 is a rubber sleeve; the lower part of sleeve two 2 is sleeved on the upper part of sleeve one, and is locked by clamp one 3; the upper part of sleeve two 2 can be sleeved on the pump pipe and locked by clamp two 1.

[0031] Flow guide ring 4 is detachably fixed on the inner wall of sleeve one 6 and coaxially distributed with sleeve one 6; the upper side of flow guide ring 4 is inclined downward from outside to inside, which is used for guiding the concrete to buffer head 5 and can slow down the flow rate of the concrete; preferably, flow guide ring 4 is a polyurethane ring, which can be fixed on sleeve one 6 by bolts and other fasteners, is convenient to replace, is convenient to install and has low cost.

[0032] The connecting frame comprises a support frame 9 and a support pipe 7; the support frame 9 is welded by a plurality of bars, and the middle part of the support frame 9 is fixed and supported on the support pipe 7; the support frame 9 can realize the flow of concrete. The support frame 9 is fixedly arranged on the inner wall of the sleeve 1; the support pipe 7 is fixedly arranged on the support frame 9, and the support pipe 7 is coaxially arranged with the sleeve 1; the support pipe 7 is located below the flow guide ring 4; preferably, the lower end of the sleeve 1 is provided with a connecting hole; the connecting hole is a plurality of; the plurality of connecting holes are arranged in an array with the axis of the sleeve 1 as the center line; the support frame 9 is locked on the connecting hole by a fastener, which is convenient for disassembly. Of course, the support frame 9 can also be directly welded on the inner wall of the sleeve 1. The concrete can pass through the gap between the support frames 9. The support pipe 7 is coaxially arranged with the sleeve 1; the support pipe 7 is located below the flow guide ring 4; the upper part of the buffer protrusion 5 has a spherical protrusion, which can buffer the concrete and guide the concrete impacting on the buffer protrusion 5 to the edge; the outer diameter of the spherical protrusion is smaller than the inner diameter of the flow guide ring 4; the lower part of the buffer protrusion 5 is cylindrical; the lower part of the buffer protrusion 5 is placed in the support pipe 7 and is supported by the support pipe 7; the buffer protrusion 5 can be pulled out of the support pipe 7, which is convenient for replacement in the later period. Preferably, the buffer protrusion 5 is integrally formed of polyurethane, which is light in weight, wear-resistant, and low in replacement cost.

[0033] The flow guide seat 8 is located in the sleeve 1 and is placed on the connecting frame; the middle part of the flow guide seat 8 has a flow guide hole; the upper end of the flow guide seat 8 is a spiral flow guide surface, which is arranged downwardly and obliquely from outside to inside; the flow guide seat 8 is located below the buffer protrusion 5; when the flow guide seat 8 is installed, it can be sleeved on the outside of the support pipe 7, and the inner diameter of the flow guide hole is greater than the outer diameter of the support pipe 7; preferably, the flow guide seat 8 is made of polyurethane profile or nylon ring, which is wear-resistant, simple to manufacture, and low in cost. Preferably, the lower part of the flow guide pipe is funnel-shaped; the diameter gradually decreases from top to bottom, so that the flow guide seat 8 and the flow guide pipe have a large flow space therebetween.

[0034] The discharge hopper 10 is rotatably sleeved on the lower end of the sleeve 1; it rotates around the lower end of the sleeve 1 as the rotation shaft; the structure in the prior art can be adopted. The inlet of the discharge hopper 10 communicates with the flow guide hole and is used for receiving the downward flowing concrete; the discharge channel of the discharge hopper 10 is arranged in the horizontal direction, so that when the concrete flows downward, it can flow in the horizontal direction, and the discharge hopper 10 rotates at the same time, dispersing and reducing the impact force on the lightweight aggregate slope layer. The buffer strip 11 is fixed on the bottom of the discharge channel, reducing the wear of the bottom of the discharge channel by the concrete, and the buffer strip 11 can be replaced. Preferably, the buffer strip 11 is a strip-shaped rubber profile, which is convenient to obtain, wear-resistant, and low in cost. Further preferably, the buffer strip 11 is fixed on the bottom of the discharge channel by bonding or by a fastener, which is convenient for replacement.

[0035] The utility model discloses an embodiment proposes a roof engineering concrete pouring buffer device, can disperse and alleviate the impact force of pumping concrete pump pipe discharge to light aggregate slope layer, and the easily damaged spare is convenient and fast to replace, and the use cost is low.

[0036] Further, although the terms first, second, etc. can be used herein to describe various elements, these terms should not be construed as limiting the elements. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments. Like in the case of the first and the second elements, the terms "and / or" between two or more elements are used to describe either logical and / or logical or possible combinations of elements. Similarly, the terms "one or more of" between two or more elements are used to describe either logical and / or logical or possible combinations of elements.

[0037] In the description of the utility model, unless another explicit stipulation and limitation, the term "installation", "link", "connection", "fix" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be direct connection, also can through intermediate medium indirectly connect, can be two elements inside the intercommunication or two element's mutual action relation. For ordinary skilled in the art, can understand the concrete meaning of the above-mentioned term in the utility model according to specific circumstances.

[0038] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, and the mechanical, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0039] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belong to the scope of the utility model technical scheme.

Claims

1. A roof work concrete pouring buffer device, characterized by, It comprises sleeve one, sleeve two, flow guide ring, connecting frame, buffer protrusion, flow guide seat, discharge hopper and buffer strip. Sleeve one is a steel sleeve structure. Sleeve two is a rubber sleeve; the lower part of sleeve two is sleeved on the upper part of sleeve one and locked by clamp one; the upper part of sleeve two can be sleeved on the pump pipe and locked by clamp two. Flow guide ring is detachably fixed on the inner wall of sleeve one and coaxially distributed with sleeve one; the upper side of flow guide ring is arranged downwardly and outwardly. Connecting frame comprises support and support pipe. Support is fixedly arranged on the inner wall of sleeve one; support pipe is fixedly arranged on support; support pipe is coaxially distributed with sleeve one; support pipe is located below flow guide ring. The upper part of buffer protrusion has a spherical protrusion; the outer diameter of the spherical protrusion is smaller than the inner diameter of flow guide ring; the lower part of buffer protrusion is cylindrical. The lower part of buffer protrusion is placed in support pipe and supported by support pipe. Flow guide seat is located in sleeve one and placed on connecting frame; the middle part of flow guide seat has a flow guide hole; the upper end of flow guide seat is a spiral flow guide surface which is arranged downwardly and outwardly; flow guide seat is located below buffer protrusion. Discharge hopper is rotatably sleeved on the lower end of sleeve one; the inlet of discharge hopper is communicated with flow guide hole; the discharge channel of discharge hopper is arranged along the horizontal direction. Buffer strip is fixed on the bottom of discharge channel.

2. The roof engineering concrete pouring buffer device according to claim 1, wherein the buffer protrusion is integrally formed of polyurethane.

3. The roof engineering concrete pouring buffer device according to claim 1, wherein the flow guide seat is made of polyurethane profile or nylon ring; and the flow guide ring is made of polyurethane ring.

4. The roof engineering concrete pouring buffer device according to claim 1, wherein the buffer strip is a strip-shaped rubber profile.

5. The roof engineering concrete pouring buffer device according to claim 4, wherein the buffer strip is fixed on the bottom of the discharge channel by bonding or fasteners.

6. The roof engineering concrete pouring buffer device according to claim 1, wherein the lower end of sleeve one is provided with connecting holes; the connecting holes are arranged in an array around the axis of sleeve one; and the support is locked on the connecting holes by fasteners. ​ ​ ​ ​ ​ ​ ​