CN209496036U - Slump detection device - Google Patents

Abstract

The utility model slump detection device belongs to concrete NDT equipment technical field, and in particular to a kind of slump detection device that precision is high.Its purpose is to provide the slump detection device that a kind of structure is simple, easy to operate, detection precision is high.The utility model slump detection device includes including pedestal, slump bucket, lifting device, attachment device, column and ruler；The pedestal is equipped with slump bucket, lifting device, column；The pedestal is detachably connected with slump bucket, and the lifting device is fixedly connected with slump bucket by attachment device；The column is equipped with groove, is equipped with sliding block in groove, the sliding block can do movement in vertical direction in a groove.The utility model slump detection device drives slump bucket to do the movement of vertical direction by lifting device, effectively prevents the shake generation shock and vibration during manual operation, ensure that the accuracy of slump measured value.

Description

Slump detection device

technical field

The utility model belongs to the technical field of concrete detection equipment, in particular to a slump detection device with high precision.

Background technique

Workability refers to the property that the concrete mixture is easy to operate and obtain uniform and dense concrete. The workability of fresh concrete determines whether the concrete can be constructed normally to meet the performance requirements after hardening. Slump is an important index to measure the workability of concrete slurry, which reflects whether the concrete is easy to construct and operate and has uniform and dense performance. In the production process, various factors such as water volume, water-cement ratio, sand rate, cement type, aggregate condition, time and temperature, admixtures, etc. are all changed, and these factors will affect the workability of concrete. Therefore, in the preparation of concrete materials During the slurrying process, the slump of the concrete needs to be measured.

The slump meter is the necessary equipment to test the workability of concrete. The test method of slump: use a trumpet-shaped slump cylinder with an upper opening of 100mm, a lower opening of 200mm, and a height of 300mm. When the bucket is pulled up vertically, the concrete will slump due to its own weight. The height of the highest point of the concrete after the collapse is subtracted from the height of the bucket, and the difference is the slump.

During the slump test, it is required to pull up the bucket vertically, and the concrete must not be touched during the pulling up process to avoid affecting the measurement data. However, when workers use traditional slump cylinders, they generally try to ensure that the direction of pulling out the cylinder is vertical based on experience. In this way, the wall of the slump cylinder will always inevitably touch the concrete, causing misjudgment and affecting Accuracy of measurement data. Especially for unskilled operators, it is more difficult to guarantee the quality of concrete slump test.

After searching, the existing slump detection devices usually cannot avoid the above-mentioned problems, and the overall structure is complicated, and the operation difficulty is increased, so that it cannot be popularized and used on a large scale. Therefore, there is an urgent need to develop a slump detection device that is easy to use, simple in structure, and accurate in detection.

Utility model content

The technical problem to be solved by the utility model is to provide a slump detection device with simple structure, easy operation and high detection accuracy.

The utility model relates to a slump detection device, which comprises a base, a slump barrel, a lifting device, a connecting device, a column and a ruler;

The base is provided with a slump bucket, a lifting device, and a column;

The base is detachably connected to the slump bucket, and the lifting device is fixedly connected to the slump bucket through a connecting device;

Described column is provided with groove, is provided with slide block in groove, and described slide block can do vertical movement in groove; Can be fixed when vertical,

The column is provided with scales, and the scales are used to indicate the height from the base to the lower surface of the ruler.

Preferably, there is a cavity in the lifting device, a first through hole is provided above the lifting device, a baffle is provided in the cavity, the baffle divides the cavity into upper and lower parts, and the cavity below the baffle is the cavity. , a vertical bar is fixedly connected above the baffle; the upper end of the vertical bar passes through the first through hole and extends to the outside of the lifting device; the vertical bar is fixedly connected with the connecting device;

The base is provided with a fuel tank and a bidirectional gear pump, the fuel tank communicates with the bidirectional gear pump through a first pipeline, and the bidirectional gear pump communicates with the cavity through a second pipeline; the fuel tank, the first pipeline, and the second pipeline , Two-way gear pump and cavity filled with hydraulic oil.

Preferably, the lifting device is provided with a control device for controlling the vertical movement of the vertical rod of the lifting device.

Preferably, the control device is a control button, a touch screen or a remote controller.

The utility model controls the work of the two-way gear pump through buttons, a touch screen or a remote controller to realize the transmission of hydraulic oil between the cavity and the oil tank, thereby driving the baffle plate and the vertical rod to move in the vertical direction, and realizing the adjustment of the height of the slump barrel .

Preferably, one or more fixing devices are provided on the upper surface of the base for fixing the slump bucket to the upper surface of the base.

Preferably, three fixing devices are provided on the upper surface of the base.

Preferably, the slider is pivotally connected to the ruler.

The utility model slump detection device differs from the prior art in that:

1. The slump detection device of the utility model drives the slump barrel to move in the vertical direction through the lifting device, which effectively avoids the impact and vibration caused by the shaking during the manual operation, and ensures the accuracy of the slump measurement value.

2. The slump bucket is fixed on the base with a fixing device, instead of being stepped on and fixed by humans, so that the bucket is not easy to move, which effectively solves the problem that the existing slump bucket cannot be effectively and seamlessly fitted with the base, and ensures that the concrete cannot overflow from the bottom of the bucket. Ease of operation and time saving thanks to the fastening device.

3. The utility model realizes the function of the measuring ruler through the cooperation of the column and the ruler, can accurately measure the height of the concrete, and avoids the error caused by using the ruler alone to measure the height.

4. The utility model solves the problem that the existing slump detection device cannot adjust the height at will, and the height can be adjusted in a wired or wireless way such as buttons or remote controls; it brings great benefits to users. Convenience improves the practicability of the slump detection device and is worth popularizing.

Description of drawings

Fig. 1 is the structural representation of the slump detection device of the utility model embodiment 1;

Fig. 2 is the structural representation of the slump detection device of the utility model embodiment 2;

Fig. 3 is the sectional view of part A of the slump detection device of the utility model embodiment 1 and 2;

Among them, 1. Lifting device; 2. Slump bucket; 3. Base; 4. Connecting device; 5. Ruler; 6. Column; 7. Adjusting screw; 8. Lifting switch; 9. Fixing device; Rod; 12, first through hole; 13, baffle plate; 14, cavity; 15, second pipeline; 16, two-way gear pump; 17, first pipeline; 18, oil tank.

Detailed ways

The slump detection device of the present invention is further described through the following examples and verification tests.

Example 1

As shown in Figures 1 and 3, the slump detection device of this embodiment includes a base 3, a slump bucket 2, a lifting device 1, a connecting device 4, a column 6 and a ruler 5;

The base 3 is provided with a slump barrel 2, a lifting device 1, and a column 6;

The base 3 is detachably connected to the slump bucket 2, and the lifting device 1 is fixedly connected to the slump bucket 2 through the connecting device 4;

Column 6 is provided with groove, is provided with slide block in groove, and slide block can do vertical movement in groove; fixed,

The column 6 is provided with a scale, and the scale is used to indicate the height from the base 3 to the lower surface of the ruler 5 .

There is a cavity in the lifting device 1, a first through hole 12 is arranged above the lifting device 1, and a baffle plate 13 is arranged in the cavity, and the baffle plate 13 divides the cavity into upper and lower parts, and the cavity below the baffle plate 13 is a cavity. body 14, a vertical rod 11 is fixedly connected above the baffle plate 13; the upper end of the vertical rod 11 passes through the first through hole 12 and extends to the outside of the lifting device 1; the vertical rod 11 is fixedly connected with the connecting device 4;

The base 3 is provided with a fuel tank 18 and a bidirectional gear pump 16, the fuel tank 18 communicates with the bidirectional gear pump 16 through the first pipeline 17, and the bidirectional gear pump 16 communicates with the cavity 14 through the second pipeline 15; the fuel tank 18, the first pipeline 17, The second pipeline 15, the two-way gear pump 16 and the cavity 14 are filled with hydraulic oil; the lifting device 1 is provided with a control device for controlling the vertical movement of the vertical rod 11 of the lifting device 1; the control device is a control button.

In this embodiment, the operation of the two-way gear pump 16 is controlled by a button to realize the transmission of hydraulic oil between the cavity 14 and the oil tank 18, thereby driving the baffle plate 13 and the vertical rod 11 to move in the vertical direction to realize the adjustment of the height of the slump barrel 2 adjust.

Example 2

As shown in Figure 2 and Figure 3, the upper surface of the base 3 of the slump detection device of this embodiment is provided with one or more fixing devices 9, which are used to fix the slump bucket 2 on the upper surface of the base 3; The control device of example is controller; Pivot connection between slide block and ruler 5. In this embodiment, the controller controls the operation of the two-way gear pump 16 to realize the transmission of hydraulic oil between the cavity 14 and the oil tank 18, thereby driving the baffle plate 13 and the vertical rod 11 to move in the vertical direction to realize the height of the slump barrel 2 adjustment.

The working principle of the slump detection device of the present utility model is as follows:

When the motor is started, the hydraulic oil is transmitted between the cavity 14 and the oil tank 18 through the two-way gear pump 16 to realize the reciprocating motion of the vertical rod 11, the motor stops, and the vertical rod 11 can be self-locked in the current position and is in a pressure maintaining position. state, so as to realize the lifting of the slump bucket 2. When the baffle plate 13 arrives at the terminal and the motor is still rotating, the overflow valve switch will be touched to realize overload protection.

Specifically, the slump detection device of the utility model fixes the slump bucket 2 on the base 3 through the fixing device 9, adds the concrete to be detected into the slump bucket 2, and realizes the vertical movement of the lifting device 1 through the control device. The rod 11 moves in the vertical direction, and drives the connecting device 4 and the slump barrel 2 to move in the vertical direction, and controls the work of the two-way gear pump 16 through buttons, touch screens or remote controls. When the two-way gear pump 16 is running forward, The two-way gear pump 16 extracts the hydraulic oil in the oil tank 18 through the first pipeline 17, and then transmits it to the cavity 14 through the second pipeline 15. The pressure of the liquid in the cavity 14 increases, pushing the baffle 13 to move upward, and the baffle 13 The supporting vertical bar 11 moves upward, and the vertical bar 11 drives the slump bucket 2 to move upward. When it moves to a suitable position, the two-way gear pump 16 is closed, and the vertical bar 11 can be self-locked in a certain position and is in a pressure-holding state; When the two-way gear pump 16 runs in reverse, the two-way gear pump 16 extracts the hydraulic oil in the cavity 14 through the second pipeline 15, and then transmits it to the oil tank 18 through the first pipeline 17. The pressure of the liquid in the oil tank 18 increases, and the baffle plate 13 Moving downward, the baffle plate 13 drives the vertical rod 11 to move downward, and the vertical rod 11 drives the slump barrel 2 to move downward. On the position, it is in a pressure-holding state; in this way, the rise and fall of the slump detection device can be realized. After the slump bucket 2 is removed and the concrete slumps and stabilizes due to its own weight, the height of the ruler 5 is adjusted by the slider to measure the height of the concrete and obtain the slump of the concrete.

Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that these are only examples, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present utility model, but these changes and modifications all fall within the protection scope of the present utility model.

Claims (7)

1. A slump detection device, characterized in that: said slump detection device comprises a base, a slump bucket, a lifting device, a connecting device, a column and a ruler; The base is provided with a slump bucket, a lifting device, and a column; The base is detachably connected to the slump bucket, and the lifting device is fixedly connected to the slump bucket through a connecting device; Described column is provided with groove, is provided with slide block in groove, and described slide block can do vertical movement in groove; Can be fixed when vertical, The column is provided with scales, and the scales are used to indicate the height from the base to the lower surface of the ruler. 2. The slump detection device according to claim 1, characterized in that: there is a cavity in the lifting device, a first through hole is provided above the lifting device, a baffle is provided in the cavity, and the baffle will empty the space. The cavity is divided into upper and lower parts, the cavity below the baffle is the cavity, and a vertical bar is fixedly connected above the baffle; the upper end of the vertical bar passes through the first through hole and extends to the outside of the lifting device; the vertical bar and the connecting device fixed connection; The base is provided with a fuel tank and a bidirectional gear pump, the fuel tank communicates with the bidirectional gear pump through a first pipeline, and the bidirectional gear pump communicates with the cavity through a second pipeline; the fuel tank, the first pipeline, and the second pipeline , Two-way gear pump and cavity filled with hydraulic oil. 3. The slump detection device according to claim 1, characterized in that: the lifting device is provided with a control device for controlling the vertical movement of the vertical rod of the lifting device. 4. The slump detection device according to claim 3, wherein the control device is a control button, a touch screen or a remote controller. 5. The slump detection device according to claim 1, characterized in that: the upper surface of the base is provided with one or more fixing devices for fixing the slump bucket to the upper surface of the base. 6. The slump detection device according to claim 5, characterized in that: the upper surface of the base is provided with three fixing devices. 7. The slump detection device according to claim 1, characterized in that: the slider is pivotally connected to the ruler.