High-strength self-compacting lightweight aggregate concrete preparation device

By introducing a weighing base and mixing blades into the concrete mixing device, the problems of inaccurate proportioning and uneven mixing of high-strength self-compacting lightweight aggregate concrete were solved, thereby improving the stability of concrete performance and the mixing efficiency.

CN224044154UActive Publication Date: 2026-03-27SHANDONG TAIHANG ENVIRONMENTAL PROTECTION NEW MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing concrete mixing equipment suffers from inaccurate proportioning and uneven mixing when preparing high-strength self-compacting lightweight aggregate concrete, resulting in unstable concrete performance that fails to meet engineering requirements.

Method used

A high-strength self-compacting lightweight aggregate concrete preparation device was designed. It uses a weighing base and a conveying mechanism to accurately weigh the raw materials, and uses multiple mixing blades to uniformly mix them. It is also equipped with a cleaning scraper to clean the inner wall of the mixing tank, ensuring accurate proportioning and uniform mixing.

Benefits of technology

It achieves precise proportioning and uniform mixing of high-strength self-compacting lightweight aggregate concrete, ensuring the stability of concrete performance, extending the service life of the mixing blades, and improving the cleanliness of the mixing drum.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building materials, and discloses a high-strength self-compacting lightweight aggregate concrete preparation device which comprises a bottom plate, a stirring barrel is arranged at the top of the bottom plate, an electric gate valve is arranged at a discharging opening in the bottom of the stirring barrel, and a first driving motor is arranged at the top of the stirring barrel through a fixing frame. According to the high-strength self-compacting lightweight aggregate concrete preparation device, concrete raw materials in the stock bin can be accurately weighed through the arrangement of the weighing base, so that the concrete raw materials can be accurately fed into the stirring barrel through the conveying mechanism according to the weight ratio to be stirred; by arranging a plurality of stirring blades, the concrete in the stirring barrel can be uniformly stirred, various raw materials can be accurately weighed when the high-strength self-compacting lightweight aggregate concrete is prepared, the accurate proportion of the various raw materials of the concrete is ensured, the concrete can be relatively uniformly stirred, and the production efficiency is improved. And the stable performance of the concrete is ensured.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of building materials, in particular to a high-strength self-compacting light aggregate concrete preparation device. BACKGROUND

[0002] The high-strength self-compacting light aggregate concrete has been widely applied in modern buildings due to high strength, self-compacting property and light weight characteristics. With the increase of high-rise buildings and large-span structures, the performance requirements for concrete are higher and higher, and the concrete preparation device needs to be used for preparing the high-strength self-compacting light aggregate concrete.

[0003] The existing concrete preparation device has problems such as inaccurate proportioning and uneven stirring when preparing the high-strength self-compacting light aggregate concrete, so that the performance of the concrete is unstable and the engineering requirements cannot be met. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the application provides a high-strength self-compacting light aggregate concrete preparation device which has the advantages of accurately weighing various raw materials when preparing the high-strength self-compacting light aggregate concrete, ensuring accurate proportioning of various raw materials of the concrete, uniformly stirring the concrete and ensuring the stability of the performance of the concrete, and solves the problems of the existing concrete preparation device, such as inaccurate proportioning and uneven stirring when preparing the high-strength self-compacting light aggregate concrete, so that the performance of the concrete is unstable and the engineering requirements cannot be met.

[0005] In order to achieve the above-mentioned purpose of accurately weighing various raw materials when preparing the high-strength self-compacting light aggregate concrete, ensuring accurate proportioning of various raw materials of the concrete, uniformly stirring the concrete and ensuring the stability of the performance of the concrete, the application provides the following technical scheme: a high-strength self-compacting light aggregate concrete preparation device, comprising a bottom plate, a stirring barrel is arranged on the top of the bottom plate, an electric gate is arranged at the discharge port of the bottom of the stirring barrel, a first driving motor is arranged on the top of the stirring barrel through a fixing frame, a rotating shaft is arranged at one end of the first driving motor, the rotating shaft is rotatably arranged at the bottom of the inner wall of the stirring barrel at the other end away from the first driving motor, a plurality of stirring blades are arranged on the outer surface of the middle part of the rotating shaft in an array, a conveying mechanism is arranged above the bottom plate, the conveying mechanism is located above the stirring barrel, the conveying mechanism is arranged on the top of a rotating base through a support frame at the bottom, a stock bin is arranged above the conveying mechanism, an electric gate is arranged at the discharge port of the bottom of the stock bin, the stock bin is arranged on the top of a weighing base through support frames at both sides, a weighing sensor is arranged in the weighing base, the weighing base is arranged on the top of the rotating base, and a control host is arranged on one end of the top of the bottom plate through a support frame.

[0006] Through the above scheme, the concrete raw materials in the silo can be accurately weighed by the setting of the weighing base, so that the concrete raw materials can be accurately put into the stirring barrel for stirring according to the proportioning weight, and the concrete in the stirring barrel can be uniformly stirred by the setting of the plurality of stirring blades, so that the various raw materials can be accurately weighed when preparing high-strength self-compacting lightweight aggregate concrete, the accurate proportioning of various raw materials of the concrete is ensured, the concrete can be more uniformly stirred, and the stable effect of the performance of the concrete is ensured.

[0007] Further, the bottom of the rotating base is rotationally connected with the top of the bottom plate, a gear ring is arranged on the outer surface of the middle part of the rotating base, the gear ring is engaged with a gear, and the gear is arranged on the motor shaft at one end of a second driving motor.

[0008] Through the above scheme, the rotating base is driven to rotate by the second driving motor and the gear, so that the rotating base can drive the conveying mechanism to move away from above the stirring barrel, so that the staff can conveniently observe the stirring condition of the concrete in the stirring barrel and clean the inside of the stirring barrel.

[0009] Further, the first driving motor is a variable frequency motor, and the first driving motor is electrically connected with a control host.

[0010] Through the above scheme, the first driving motor is a variable frequency motor, so that the first driving motor can be speed-adjusted by the control host, and then the rotating shaft and the stirring blades can stir the concrete in the stirring barrel at different speeds according to different stirring conditions.

[0011] Further, two baffles are arranged on the two sides of the top of the conveying mechanism, and the two baffles are located on the two sides of the conveying belt of the conveying mechanism.

[0012] Through the above scheme, the two baffles arranged on the two sides of the conveying belt of the conveying mechanism can protect the two sides of the conveying belt of the conveying mechanism, so that the raw materials on the conveying mechanism cannot fall down from the two sides of the conveying belt.

[0013] Further, the stirring blades are made of wear-resistant alloy steel.

[0014] Through the above scheme, the wear-resistant alloy steel material of the stirring blades has good wear resistance and strength, so that the stirring blades are not easy to wear in the process of stirring the concrete for a long time, the service life of the stirring blades is prolonged, and the stirring efficiency and stirring quality are ensured.

[0015] Further, the stirring barrel is internally provided with a cleaning scraper, which comprises a side wall cleaning scraper and a bottom wall cleaning scraper, and the bottom wall cleaning scraper is arranged at the bottom end of the side wall cleaning scraper.

[0016] Through the above scheme, the cleaning scraper can clean the inner wall of the stirring barrel after stirring, avoiding the concrete remaining on the inner wall of the stirring barrel, improving the cleanliness of the stirring barrel, and facilitating the subsequent stirring operation. The side wall cleaning scraper of the cleaning scraper can clean the side wall of the stirring barrel, and the bottom wall cleaning scraper of the cleaning scraper can clean the bottom wall of the stirring barrel, so that the cleaning scraper can completely clean the inner wall of the stirring barrel.

[0017] Further, the cleaning scraper is installed on the rotating shaft through a connecting assembly, the connecting assembly comprises a connecting plate and a connecting frame, the connecting plate is arranged on the side of the rotating shaft, the connecting frame is arranged on one side of the cleaning scraper through a fixing plate, the outer surface of the middle part of the connecting plate is slidably connected with the inner wall of the middle part of the connecting frame, the connecting frame is arranged in a U shape, and the connecting frame and the connecting plate are fixedly connected through fixing bolts.

[0018] Through the above scheme, the sliding connection between the connecting plate and the connecting frame is matched with the fixing bolt, so that the cleaning scraper can be easily disassembled and installed. When the concrete in the stirring barrel is stirred, the cleaning scraper can be disassembled from the stirring barrel to prevent the existence of the cleaning scraper from increasing the resistance when the rotating shaft rotates. When the stirring barrel needs to be cleaned, the cleaning scraper can be easily installed in the stirring barrel for cleaning.

[0019] Further, the bottom wall cleaning scraper is arranged in a bent manner, and the rotation track of the bent part of the bottom wall cleaning scraper is located above the discharge port at the bottom of the stirring barrel.

[0020] Through the above scheme, the bottom wall cleaning scraper arranged in a bent manner can gather the concrete cleaned on the bottom wall of the stirring barrel, and push the cleaned concrete residues to the discharge port of the stirring barrel for discharge.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The high-strength self-compacting lightweight aggregate concrete preparation device can accurately weigh the concrete raw materials in the hopper through the arrangement of the weighing base, so that the concrete raw materials can be accurately weighed according to the proportioning weight and then discharged into the stirring barrel for stirring through the conveying mechanism. The arrangement of the plurality of stirring blades can uniformly stir the concrete in the stirring barrel. The high-strength self-compacting lightweight aggregate concrete preparation device can accurately weigh various raw materials during the preparation of high-strength self-compacting lightweight aggregate concrete, ensure the accurate proportioning of various raw materials of the concrete, uniformly stir the concrete, and ensure the stability of the performance of the concrete.

[0023] The high-strength self-compacting lightweight aggregate concrete preparation device can clean the inner wall of the stirring barrel after stirring is completed through the cleaning scraper, so that the concrete is prevented from being hardened on the inner wall of the stirring barrel, and the next work of the stirring barrel is prevented from being affected by the residual concrete. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the present application;

[0025] Figure 2 It is a front structural schematic diagram of the present application;

[0026] Figure 3 It is a top view structural schematic diagram of the present application;

[0027] Figure 4 It is a three-dimensional sectional structural schematic diagram of the stirring barrel of the present application;

[0028] Figure 5 It is a connecting structure schematic diagram of the cleaning scraper and the connecting assembly of the present application.

[0029] In the figure:

[0030] 1, bottom plate; 2, stirring barrel; 3, conveying mechanism; 4, stock bin; 5, weighing base; 6, rotating base; 7, baffle; 8, first drive motor; 9, rotating shaft; 10, stirring blade; 11, control host; 12, gear ring; 13, gear; 14, second drive motor; 15, cleaning scraper; 1501, side wall cleaning knife; 1502, bottom wall cleaning knife; 16, connecting assembly; 1601, connecting plate; 1602, connecting frame. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Please refer to Figure 1 , Figure 2 and Figure 4The embodiment of the application discloses a high-strength self-compacting lightweight aggregate concrete preparation device, which comprises a bottom plate 1, a stirring barrel 2 arranged on the top of the bottom plate 1, an electric gate arranged at the bottom discharge port of the stirring barrel 2, a first driving motor 8 arranged on the top of the stirring barrel 2 through a fixing frame, a rotating shaft 9 arranged at one end of the first driving motor 8, the other end of the rotating shaft 9 being rotatably arranged on the bottom of the inner wall of the stirring barrel 2, a plurality of stirring blades 10 arranged on the outer surface of the middle part of the rotating shaft 9, a conveying mechanism 3 arranged above the bottom plate 1, the conveying mechanism 3 being located above the stirring barrel 2, the conveying mechanism 3 being arranged on the top of a rotating base 6 through a support frame, a material bin 4 arranged above the conveying mechanism 3, an electric gate arranged at the bottom discharge port of the material bin 4, the material bin 4 being arranged on the top of a weighing base 5 through a support frame arranged on the two sides of the material bin 4, a weighing sensor arranged in the weighing base 5, the weighing base 5 being arranged on the top of the rotating base 6, and a control host 11 arranged at one end of the top of the bottom plate 1 through a support frame.

[0033] Please refer to Figure 1 , Figure 2 and Figure 3 , the bottom of the rotating base 6 is rotationally connected with the top of the bottom plate 1, a gear ring 12 is arranged on the outer surface of the middle part of the rotating base 6, the gear ring 12 is engaged with a gear wheel 13, the gear wheel 13 is arranged on the motor shaft at one end of a second driving motor 14, the second driving motor 14 is arranged on the top of the bottom plate 1, the second driving motor 14 drives the gear wheel 13 to rotate, the gear wheel 13 drives the rotating base 6 to rotate through the gear ring 12, and then the rotating base 6 can drive the conveying mechanism 3 to move away from above the stirring barrel 2, so that the staff can conveniently observe the stirring condition of the concrete in the stirring barrel 2 around the stirring barrel 2 and conveniently clean the inside of the stirring barrel 2 around the stirring barrel 2.

[0034] Please refer to Figure 1 , Figure 2 and Figure 3 , the first driving motor 8 is a variable frequency motor, the first driving motor 8 is electrically connected with the control host 11, the first driving motor 8 is arranged as a variable frequency motor, the first driving motor 8 can be speed-adjusted through the control host 11, and then the rotating shaft 9 and the stirring blades 10 can stir the concrete in the stirring barrel 2 at different speeds according to different stirring conditions.

[0035] Please refer to Figure 1 , Figure 2 and Figure 3 , two baffle plates 7 are arranged on the two sides of the top of the conveying mechanism 3, the two baffle plates 7 are located on the two sides of the conveying belt of the conveying mechanism 3, the two baffle plates 7 arranged on the two sides of the conveying belt of the conveying mechanism 3 can protect the two sides of the conveying belt of the conveying mechanism 3, and the raw materials on the conveying mechanism 3 are prevented from falling down from the two sides of the conveying belt of the conveying mechanism 3.

[0036] Please refer to Figure 1 , Figure 3 and Figure 4 , the stirring blade 10 is made of wear-resistant alloy steel, and the wear-resistant alloy steel of the stirring blade 10 has good wear resistance and strength, which can prevent the stirring blade 10 from being easily worn during long-time stirring of concrete, prolong the service life of the stirring blade 10, and ensure the stirring efficiency and quality.

[0037] Please refer to Figure 3 , Figure 4 and Figure 5 , the stirring barrel 2 is provided with a cleaning scraper 15, which includes a side wall cleaning knife 1501 and a bottom wall cleaning knife 1502. The bottom wall cleaning knife 1502 is arranged at the bottom end of the side wall cleaning knife 1501. The cleaning scraper 15 can clean the inner wall of the stirring barrel 2 after stirring to prevent concrete from remaining on the inner wall of the stirring barrel 2, improve the cleanliness of the stirring barrel 2, and facilitate subsequent stirring operations. The side wall cleaning knife 1501 of the cleaning scraper 15 can clean the side wall of the stirring barrel 2, and the bottom wall cleaning knife 1502 of the cleaning scraper 15 can clean the bottom wall of the stirring barrel 2, so that the cleaning scraper 15 can completely clean the inner wall of the stirring barrel 2.

[0038] Please refer to Figure 3 , Figure 4 and Figure 5 , the cleaning scraper 15 is installed on the rotating shaft 9 through a connecting assembly 16. The connecting assembly 16 includes a connecting plate 1601 and a connecting frame 1602. The connecting plate 1601 is arranged on the side of the rotating shaft 9, and the connecting frame 1602 is arranged on one side of the cleaning scraper 15 through a fixing plate. The outer surface of the middle part of the connecting plate 1601 is in sliding connection with the inner wall of the middle part of the connecting frame 1602. The connecting frame 1602 is arranged in a U shape and is fixedly connected with the connecting plate 1601 through fixing bolts. The sliding connection between the connecting plate 1601 and the connecting frame 1602 can be easily disassembled and assembled by fixing the fixing bolts. When the concrete in the stirring barrel 2 is stirred, the cleaning scraper 15 can be disassembled from the stirring barrel 2 to prevent the cleaning scraper 15 from increasing the resistance of the rotating shaft 9 during rotation. When the stirring barrel 2 needs to be cleaned, the cleaning scraper 15 can be easily installed in the stirring barrel 2 for cleaning.

[0039] Please refer to Figure 3 , Figure 4 and Figure 5The bottom wall cleaning cutter 1502 is arranged in a bent manner, and the rotation track of the bent part of the bottom wall cleaning cutter 1502 is located above the discharge port at the bottom of the stirring barrel 2. The bottom wall cleaning cutter 1502 arranged in a bent manner can gather the concrete cleaned on the bottom wall of the stirring barrel 2, and push the gathered concrete to the discharge port of the stirring barrel 2 for discharge.

[0040] The high-strength self-compacting lightweight aggregate concrete preparation device in the embodiment can accurately weigh the concrete raw materials in the hopper 4 through the arrangement of the weighing base 5, so that the concrete raw materials can be accurately put into the stirring barrel 2 for stirring according to the proportioning weight through the conveying mechanism 3, and the concrete in the stirring barrel 2 can be uniformly stirred through the arrangement of the plurality of stirring blades 10. The high-strength self-compacting lightweight aggregate concrete preparation device can accurately weigh various raw materials when the high-strength self-compacting lightweight aggregate concrete is prepared, can accurately proportion various raw materials of the concrete, can uniformly stir the concrete, and can ensure the stability of the performance of the concrete.

[0041] The working principle of the above embodiment is as follows: the concrete raw materials to be mixed are put into the hopper 4. The weight of the hopper 4 gradually increases as the raw materials in the hopper 4 increase. Then, the weighing sensor in the weighing base 5 weighs the raw materials in the hopper 4. When the weight of the raw materials in the hopper 4 meets the proportioning standard, the electric gate at the bottom of the hopper 4 is opened, so that the raw materials in the hopper 4 are put onto the conveying mechanism 3 below through the discharge port at the bottom of the hopper 4. The conveying mechanism 3 works, and the conveying belt of the conveying mechanism 3 conveys the raw materials into the stirring barrel 2. When the conveying of the raw materials is completed, the second driving motor 14 works to drive the gear 13 to rotate, so that the gear 13 drives the rotating base 6 to rotate through the gear ring 12, and the conveying mechanism 3 is moved away from above the stirring barrel 2. The first driving motor 8 works to drive the rotating shaft 9 to rotate, so that the rotating shaft 9 drives the stirring blades 10 to stir the concrete in the stirring barrel 2. After the stirring is completed, the electric gate at the discharge port at the bottom of the stirring barrel 2 is opened, so that the concrete in the stirring barrel 2 is discharged from the discharge port at the bottom of the stirring barrel 2. When the inner wall of the stirring barrel 2 needs to be cleaned, the connecting frame 1602 is sleeved on the outer surface of the connecting plate 1601, and the connecting frame 1602 and the connecting plate 1601 are fixed through the fixing bolts. The installation of the cleaning scraper 15 is completed. The first driving motor 8 works to drive the cleaning scraper 15 to clean the inner wall of the stirring barrel 2. The side wall cleaning cutter 1501 cleans the side wall of the stirring barrel 2, the bottom wall cleaning cutter 1502 cleans the bottom wall of the stirring barrel 2, and the bent bottom wall cleaning cutter 1502 pushes the cleaned concrete to the discharge port of the stirring barrel 2 for discharge.

[0042] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0043] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. A high-strength self-compacting lightweight aggregate concrete preparation device comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a stirring barrel (2) at the top, an electric gate is arranged at the bottom discharge port of the stirring barrel (2), a first driving motor (8) is arranged on the top of the stirring barrel (2) through a fixing frame, a rotating shaft (9) is arranged at one end of the first driving motor (8), the end of the rotating shaft (9) away from the first driving motor (8) is rotatably arranged on the bottom inner wall of the stirring barrel (2), a plurality of stirring blades (10) are arranged on the outer surface of the middle part of the rotating shaft (9), a conveying mechanism (3) is arranged above the bottom plate (1), the conveying mechanism (3) is located above the stirring barrel (2), the bottom of the conveying mechanism (3) is arranged on the top of the rotating base (6) through a support frame, a material bin (4) is arranged above the conveying mechanism (3), an electric gate is arranged at the bottom discharge port of the material bin (4), the material bin (4) is arranged on the top of the weighing base (5) through a support frame on both sides, a weighing sensor is arranged in the weighing base (5), the weighing base (5) is arranged on the top of the rotating base (6), and one end of the bottom plate (1) is arranged on the top of the bottom plate (1) through a support frame.

2. A high-strength self-compacting lightweight aggregate concrete preparation device according to claim 1, characterized in that: The bottom of the rotating base (6) is rotatably connected with the top of the bottom plate (1), a gear ring (12) is arranged on the outer surface of the middle part of the rotating base (6), the gear ring (12) is engaged with a gear (13), and the gear (13) is arranged on the motor shaft at one end of a second driving motor (14). The second driving motor (14) is arranged on the top of the bottom plate (1).

3. A high-strength self-compacting lightweight aggregate concrete preparation device according to claim 1, characterized in that: The first driving motor (8) is a variable frequency motor, and the first driving motor (8) is electrically connected with the control host (11).

4. The high-strength self-compacting lightweight aggregate concrete preparation device according to claim 1, characterized in that: Two baffle plates (7) are arranged on both sides of the top of the conveying mechanism (3), and the two baffle plates (7) are located on both sides of the conveying belt of the conveying mechanism (3).

5. A high-strength self-compacting lightweight aggregate concrete preparation device according to claim 1, characterized in that: The stirring blade (10) is made of wear-resistant alloy steel.

6. A high-strength self-compacting lightweight aggregate concrete preparation device according to claim 1, characterized in that: The stirring barrel (2) is provided with a cleaning scraper (15) inside, the cleaning scraper (15) comprises a side wall cleaning knife (1501) and a bottom wall cleaning knife (1502), and the bottom wall cleaning knife (1502) is arranged at the bottom end of the side of the side wall cleaning knife (1501).

7. A high-strength self-compacting lightweight aggregate concrete preparation device according to claim 6, characterized in that: The cleaning scraper (15) is installed on the rotating shaft (9) through a connecting assembly (16), the connecting assembly (16) comprises a connecting plate (1601) and a connecting frame (1602), the connecting plate (1601) is arranged on the side of the rotating shaft (9), the connecting frame (1602) is arranged on one side of the cleaning scraper (15) through a fixing plate, the outer surface of the middle part of the connecting plate (1601) is slidably connected with the inner wall of the middle part of the connecting frame (1602), the connecting frame (1602) is arranged in a U shape, and the connecting frame (1602) and the connecting plate (1601) are fixedly connected through fixing bolts.

8. A high-strength self-compacting lightweight aggregate concrete preparation device according to claim 6, characterized in that: The bottom wall cleaning knife (1502) is arranged in a bent manner, and the rotating track at the bent portion of the bottom wall cleaning knife (1502) is located above the bottom discharge port of the stirring barrel (2).