Concrete slump detection device
By designing an automated concrete slump testing device, which uses a drive motor to raise and lower a rotating plate and a tamping rod, the problem of physical exertion caused by manual tamping by workers is solved, and the accuracy and stability of the test are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI MACHENG HONGJI CONCRETE CO LTD
- Filing Date
- 2025-04-09
- Publication Date
- 2026-05-12
AI Technical Summary
In the current process of concrete slump testing, staff need to manually tamp the concrete, which results in high physical exertion and affects the accuracy and stability of the test results.
A concrete slump testing device was designed, which uses a drive motor to raise and lower a rotating plate and a tamping rod to achieve automated tamping, reduce the physical burden on workers, and ensure the stability of the tamping action.
Automated tamping reduces the physical exertion of staff, improves the accuracy and stability of test results, and avoids errors caused by fatigue.
Smart Images
Figure CN224231774U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building materials testing technology, and in particular to a concrete slump testing device. Background Technology
[0002] Slump is a method and indicator for measuring the workability of concrete. On construction sites and in laboratories, slump tests are typically performed to determine the fluidity of the mixture, supplemented by intuitive assessments of cohesiveness and water retention. Slump is a quantitative indicator used to measure the degree of workability and to determine whether construction can proceed normally.
[0003] In actual testing, staff must first place the slump cone on a solid and flat surface, then fill it with freshly mixed concrete in three layers. After each layer is filled, staff must hold a tamping rod and tamp the concrete from the edge of the cone towards the center along a spiral path. This tamping process requires staff to apply even force and consistent depth to ensure that each layer of concrete is fully compacted. However, this repetitive operation requires a certain level of physical strength from the staff, which can easily lead to fatigue and affect the accuracy and stability of the test results. Therefore, a concrete slump testing device is proposed to solve the above problems. Utility Model Content
[0004] (a) Purpose of the utility model
[0005] To address the technical problems existing in the background art, this utility model proposes a concrete slump testing device, which allows workers to control the start and stop of the equipment to drive the tamping rod to move up and down to tamp the concrete, reducing the physical burden on workers, ensuring the stability of the tamping action, and avoiding errors caused by fatigue.
[0006] (II) Technical Solution
[0007] This utility model provides a concrete slump testing device, including a slump cylinder and a tamping rod, and a base plate for placing the slump cylinder;
[0008] It includes a lifting assembly, and the upper end of the base plate is connected to the mounting frame through the lifting assembly;
[0009] It includes sliding blocks spaced vertically, with each side of the sliding blocks connected to the other side by a connecting bracket, and the rear side of the connecting brackets connected to the lifting end of the lifting assembly by a mounting bracket.
[0010] The mounting bracket has a drive motor on its side. The output shaft of the drive motor passes through the mounting bracket connected to it and is coaxially connected to the rotating plate. The rotating plate has a slider at its side edge. The slider is slidably connected to the groove of the horizontally distributed sliding rail. The lifting rod slides vertically through the upper sliding block and is connected to the upper end face of the sliding rail. The tamping rod slides vertically through the lower sliding block and is connected to the lower end face of the sliding rail.
[0011] The upper end face of the base plate is also provided with a limiting mechanism that can limit the collapse cylinder.
[0012] It includes a feed hopper, which is located at the upper opening of the slumping cylinder.
[0013] Preferably, the lifting assembly includes a lifting plate and an electric push rod, the upper end of the base plate is connected to the lifting plate through the electric push rod, and the side of the lifting plate is connected to the mounting frame.
[0014] Preferably, the rotating plate is circular.
[0015] Preferably, the limiting mechanism includes a support frame, a connecting component, and an insert plate. The support frame is disposed at the upper end of the base plate, and the insert plate is disposed on the side of the collapse cylinder. The support frame and the insert plate are connected by the connecting component.
[0016] Preferably, the connecting component includes a limiting groove block and a pin. The limiting groove block is disposed at one end of the upper side wall of the support frame, the limiting end of the insert plate is inserted into the limiting groove of the limiting groove block, and the pin passes through the limiting groove block and the limiting hole on the side of the limiting groove block.
[0017] Preferably, it also includes a magnet block, which is installed in a limiting hole on one side of the limiting groove block, and the limiting rod of the pin is made of iron, and the limiting rod of the pin is connected to the magnet block by magnetic force.
[0018] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects:
[0019] 1. This concrete slump testing device, by starting the drive motor, can drive the rotating plate to rotate. When the rotating plate rotates, it can drive the slider to rotate. The tamping rod can move up and down cyclically inside the slump cylinder. Then, concrete is added into the slump cylinder through the feed hopper, so that the tamping rod can fully compact the concrete inside the slump cylinder. The operator only needs to control the start and stop of the equipment to drive the tamping rod to move up and down to compact the concrete, which reduces the physical burden on the operator, ensures the stability of the tamping action, and avoids errors caused by fatigue.
[0020] 2. When installing the slump tester, the insert plate on the slump tester is first inserted into the limiting groove of the limiting block, and then the pin is inserted into the limiting hole of the limiting block and the insert plate, so that the insert plate can be limited in the limiting groove of the limiting block, thereby limiting the slump tester to the base plate. No additional personnel are required to limit the slump tester, preventing the slump tester from shifting during the tamping rod's periodic movement and ensuring that the test reference position is consistent. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of a concrete slump testing device proposed in this utility model.
[0022] Figure 2 This is a rear view of a concrete slump testing device proposed in this utility model.
[0023] Figure 3 This is an exploded view of the connecting components in a concrete slump testing device proposed in this utility model.
[0024] Reference numerals: 1. Connecting bracket; 2. Rotating plate; 3. Tamping rod; 4. Lifting rod; 5. Sliding block; 6. Sliding rail; 7. Sliding block; 8. Lifting plate; 9. Mounting frame; 10. Electric push rod; 11. Support frame; 12. Connecting assembly; 1201. Magnet block; 1202. Limiting groove block; 1203. Pin; 13. Insert plate; 14. Slump cylinder; 15. Feed hopper; 16. Base plate; 17. Drive motor. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.
[0026] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for 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. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, such as welding, riveting, or bonding; it can also be a detachable connection, such as threaded connection, keyed connection, or pin 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; or 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 based on the specific circumstances.
[0028] like Figure 1-3 As shown, the present invention proposes a concrete slump testing device, which includes a slump cylinder 14 and a tamping rod 3, and also includes a base plate 16 for placing the slump cylinder 14.
[0029] Includes a lifting assembly; the upper end of the base plate 16 is connected to the mounting frame 9 via the lifting assembly.
[0030] It includes sliding blocks 5 spaced vertically, with each side of the sliding blocks 5 connected to the other side by a connecting bracket 1, and the rear side of the connecting bracket 1 connected to the lifting end of the lifting assembly by a mounting bracket 9.
[0031] The mounting bracket 9 is equipped with a drive motor 17 on its side. The output shaft of the drive motor 17 passes through the mounting bracket 9 connected to it and is coaxially connected to the rotating plate 2. The rotating plate 2 is equipped with a slider 7 at the edge of its side. The slider 7 is slidably connected to the groove of the horizontally distributed sliding rail 6. The lifting rod 4 slides vertically through the upper sliding block 5 and is connected to the upper end face of the sliding rail 6. The tamping rod 3 slides vertically through the lower sliding block 5 and is connected to the lower end face of the sliding rail 6. The rotating plate 2 is circular.
[0032] The upper end face of the base plate 16 is also provided with a limiting mechanism that can limit the collapse cylinder 14, so that the collapse cylinder 14 can be limited without the need for additional personnel to limit the collapse cylinder 14.
[0033] Includes a feed hopper 15, which is located at the upper opening of the slump cylinder 14.
[0034] In this invention, during use, the slumping cylinder 14 is limited to the base plate 16 by a limiting mechanism, and the feeding hopper 15 is installed on the feeding end of the slumping cylinder 14. Then, the lifting assembly is started, and the lifting assembly can drive the connecting brackets 1 on both sides to descend via the mounting frame 9. At this time, the rotating plate 2 is inserted into the inside of the slumping cylinder 14. Then, the drive motor 17 is started, and the drive motor 17 can drive the rotating plate 2 to rotate. When the rotating plate 2 rotates, it can drive the slider 7 to rotate. When the slider 7 rotates, it can move in the groove of the sliding rail 6. The lifting rod 4 can move up and down cyclically within the upper sliding block 5, and the tamping rod 3 can also move up and down cyclically within the lower sliding block 5. The tamping rod 3 can also move up and down cyclically within the slumping cylinder 14. Concrete is then added into the slumping cylinder 14 through the feed hopper 15, allowing the tamping rod 3 to fully compact the concrete inside the slumping cylinder 14. This allows workers to control the equipment's start and stop without direct operation, reducing physical strain on workers, ensuring the stability of the compaction action, and avoiding errors caused by fatigue.
[0035] In an optional embodiment, the lifting assembly includes a lifting plate 8 and an electric push rod 10. The upper end of the base plate 16 is connected to the lifting plate 8 via the electric push rod 10, and the side of the lifting plate 8 is connected to the mounting bracket 9.
[0036] It should be noted that the electric push rod 10 can drive the lifting plate 8 connected to it to rise and fall, thereby driving the mounting bracket 9 connected to it to rise and fall.
[0037] In an optional embodiment, the limiting mechanism includes a support frame 11, a connecting component 12, and an insert plate 13. The support frame 11 is located at the upper end of the base plate 16, and the insert plate 13 is located on the side of the collapse cylinder 14. The support frame 11 and the insert plate 13 are connected by the connecting component 12. The connecting component 12 includes a limiting groove block 1202 and a pin 1203. The limiting groove block 1202 is located at one end of the upper side wall of the support frame 11. The limiting end of the insert plate 13 is inserted into the limiting groove of the limiting groove block 1202, and the pin 1203 passes through the limiting groove block 1202 and the limiting hole on the side of the limiting groove block 1202.
[0038] It should be noted that when the collapse cylinder 14 needs to be installed, the insert plate 13 on the collapse cylinder 14 is first inserted into the limiting groove of the limiting block 1202, and then the pin 1203 is inserted into the limiting hole of the limiting block 1202 and the insert plate 13, so that the insert plate 13 can be limited in the limiting groove of the limiting block 1202, thereby limiting the collapse cylinder 14 on the base plate 16. No additional personnel are required to limit the collapse cylinder 14, preventing the collapse cylinder 14 from shifting during the periodic movement of the tamping rod 3, and ensuring that the detection reference position is consistent.
[0039] In an optional embodiment, a magnet block 1201 is also included. The magnet block 1201 is installed in a limiting hole on one side of the limiting slot block 1202, and the limiting rod of the pin 1203 is made of iron. The limiting rod of the pin 1203 is connected to the magnet block 1201 by magnetic force.
[0040] It should be noted that by connecting the limiting rod of the iron pin 1203 to the magnet block 1201, the pin 1203 can be prevented from dislodging from the limiting slot 1202 and the limiting hole on the insert plate 13.
[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A concrete slump testing device, comprising a slump cylinder (14) and a tamping rod (3), characterized in that, It also includes a base plate (16) for placing the collapse cylinder (14); Includes a lifting assembly, the upper end of the base plate (16) is connected to the mounting frame (9) through the lifting assembly; It includes sliding blocks (5) spaced vertically, with both sides of the sliding blocks (5) connected by connecting brackets (1), and the rear side of the connecting brackets (1) on both sides connected to the lifting end of the lifting assembly by mounting brackets (9). The mounting bracket (9) is provided with a drive motor (17) on its side. The output shaft of the drive motor (17) passes through the mounting bracket (9) connected to it and is coaxially connected to the rotating plate (2). The rotating plate (2) is provided with a slider (7) at the edge of its side. The slider (7) is slidably connected to the groove of the horizontally distributed sliding rail (6). The lifting rod (4) slides vertically through the upper sliding block (5) and is connected to the upper end face of the sliding rail (6). The tamping rod (3) slides vertically through the lower sliding block (5) and is connected to the lower end face of the sliding rail (6). The upper end face of the base plate (16) is also provided with a limiting mechanism that can limit the collapse cylinder (14); Includes a feed hopper (15), which is located at the upper opening of the slump cylinder (14).
2. The concrete slump testing device according to claim 1, characterized in that, The lifting assembly includes a lifting plate (8) and an electric push rod (10). The upper end of the base plate (16) is connected to the lifting plate (8) through the electric push rod (10), and the side of the lifting plate (8) is connected to the mounting frame (9).
3. The concrete slump testing device according to claim 1, characterized in that, The rotating plate (2) is circular.
4. The concrete slump testing device according to claim 1, characterized in that, The limiting mechanism includes a support frame (11), a connecting component (12), and an insert plate (13). The support frame (11) is located at the upper end of the base plate (16), and the insert plate (13) is located on the side of the collapse cylinder (14). The support frame (11) and the insert plate (13) are connected by the connecting component (12).
5. A concrete slump testing device according to claim 4, characterized in that, The connecting component (12) includes a limiting groove block (1202) and a pin (1203). The limiting groove block (1202) is located at one end of the upper side wall of the support frame (11). The limiting end of the insert plate (13) is inserted into the limiting groove of the limiting groove block (1202). The pin (1203) passes through the limiting groove block (1202) and the limiting hole on the side of the limiting groove block (1202).
6. The concrete slump testing device according to claim 5, characterized in that, It also includes a magnet block (1201), which is installed in a limiting hole on one side of the limiting slot block (1202), and the limiting rod of the pin (1203) is made of iron. The limiting rod of the pin (1203) is connected to the magnet block (1201) by magnetic force.