CN217059600U - Constant pressure device for preparing test material layer in specific surface area detection - Google Patents
Constant pressure device for preparing test material layer in specific surface area detection Download PDFInfo
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- CN217059600U CN217059600U CN202221053038.1U CN202221053038U CN217059600U CN 217059600 U CN217059600 U CN 217059600U CN 202221053038 U CN202221053038 U CN 202221053038U CN 217059600 U CN217059600 U CN 217059600U
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Abstract
The utility model discloses a specific surface area detects middle test material layer preparation constant voltage equipment, the device include metal crate, the middle part of metal crate upper end is equipped with the ring, be equipped with the tamper in the ring, the right-hand member at metal crate top is connected with counter-force fixing device's bottom, counter-force fixing device's upper end and adjustable force applying device's right-hand member sliding connection, adjustable force applying device's right side is equipped with the fixed screw, the below of adjustable force applying device left end is equipped with pressure monitoring device. The device can solve the problem that different detection personnel can not accurately detect the detection result due to inconsistent pressing force in the preparation process of the sample layer in the detection of the specific surface area, so that the purposes of simple manufacture, simple and convenient operation, accurate adjustment of the size of the applied pressure by the pressure applying device, more accurate detection data, high detection efficiency, good compaction effect and large use range are achieved.
Description
Technical Field
The utility model relates to a cement specific surface area detects technical field, particularly, relates to a test bed of material preparation constant voltage equipment in specific surface area detects.
Background
At present, for the preparation of a test material layer in specific surface area detection, there is a concrete specific surface area measuring tamper, for example, the application of patent application No. CN201920041481.9 and patent publication No. CN209559719U, but only the sample layer can be compacted to ensure that no rebound occurs during the compaction process, during the manufacturing process, the requirement on the rotating disk is high (if the pressure needs to be changed, weights of more specifications need to be manufactured, which causes resource waste and low precision).
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a specific surface area detects middle test material layer preparation constant voltage equipment can overcome the above-mentioned not enough of prior art.
In order to achieve the technical purpose, the technical scheme of the utility model is that:
the utility model provides a specific surface area detects middle test material layer preparation constant voltage equipment, includes metal crate, the middle part of metal crate upper end is equipped with the ring, be equipped with the tamper in the ring, the right-hand member at metal crate top is connected with counter-force fixing device's bottom, counter-force fixing device's upper end and adjustable force applying device's right-hand member sliding connection, adjustable force applying device's right side is equipped with the set screw, the below of adjustable force applying device left end is equipped with pressure monitoring device.
Furthermore, a cylinder fixing device is arranged in the middle of the lower end of the metal frame.
The utility model has the advantages that: the utility model discloses a during specific surface area detected test material layer preparation constant voltage equipment can solve specific surface area and detect, different testing personnel pressing force degree inconsistency in test material layer preparation process leads to the unsafe problem of testing result to reach simple manufacture, easy and simple to handle, it can accurate regulation exert the size of pressure to apply pressure device, makes detected data more accurate, and detection efficiency is high, and the compaction is effectual, the purpose that application range is big.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a constant pressure device for preparing a test material layer in a specific surface area detection according to an embodiment of the present invention;
in the figure: 1. pressure monitoring device, 2, tamper, 3, set screw, 4, adjustable force application device, 5, counter-force fixing device, 6, metal frame, 7, drum fixing device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly and completely, and it should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1, according to the embodiment of the utility model provides a specific surface area detect in test material layer preparation constant voltage equipment, including metal crate 6, the middle part of metal crate 6 upper end is equipped with the ring, places the drum slope, be equipped with the tamper 2 in the ring, the right-hand member at 6 tops of metal crate is connected with counter-force fixing device 5's bottom, counter-force fixing device 5's upper end and adjustable force applying device 4's right-hand member sliding connection, adjustable force applying device 4 can slide from top to bottom, adjustable force applying device 4's right side is equipped with fixed screw 3 for fixed adjustable force applying device 4, the below of adjustable force applying device 4 left end is equipped with pressure monitoring device 1, monitors the pressure value.
The middle part of the lower end of the metal frame 6 is provided with a cylinder fixing device 7 for fixing the cylinder.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
In a specific use, the perforated plate is placed on the flange of the air-permeable cylinder, a piece of filter paper is placed on the perforated plate by the tamper 2, and the edge is laid flat and pressed. Weighing mass is calculated by using m = rho v (1-epsilon), wherein m is the required sample amount and the unit is gram (g); ρ is the density of the sample in grams per cubic centimeter (g/cm) 3 ) (ii) a V is the volume of the sample layer, measured as JC/T956, in cubic centimeters (cm) 3 ) (ii) a ε is the void fraction of the sample layer, the weight was accurate to 0.001 g, the weighed sample was poured into the cylinder, the side of the cylinder was tapped to flatten the cement layer surface, and a piece of filter paper was placed in the cylinder. The method comprises the steps of putting a cylinder filled with a sample into a cylinder fixing device 7, moving an adjustable force application device 4 downwards, applying pressure to a tamper 2, determining an optimal force value through a pressure monitoring device 1 (120N is obtained through an experiment and is the optimal force value), finally screwing a fixing screw 3, rotating the tamper 2 for 1-2 circles after the reading of the pressure monitoring device 1 is stable for 2-3 seconds, lifting the tamper 2, taking out the cylinder, and putting the cylinder into a U-shaped pressure gauge for measuring the specific surface area.
To sum up, with the help of the above technical scheme of the utility model, can solve during the specific surface area detects, different testing personnel pressing force degree inconsistency leads to the unsafe problem of testing result in the assay layer preparation process to reach simple manufacture, easy and simple to handle, apply pressure device can accurately adjust the size of applying pressure, make detected data more accurate, detection efficiency is high, and the compaction is effectual, the purpose that application range is big.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a specific surface area detects intermediate test material layer preparation constant voltage equipment, a serial communication port, including metal crate (6), the middle part of metal crate (6) upper end is equipped with the ring, be equipped with tamper (2) in the ring, the right-hand member at metal crate (6) top is connected with the bottom of counter-force fixing device (5), the upper end of counter-force fixing device (5) and the right-hand member sliding connection of adjustable force application device (4), the right side of adjustable force application device (4) is equipped with set screw (3), the below of adjustable force application device (4) left end is equipped with pressure monitoring device (1).
2. The constant pressure device for preparing a test material layer in a specific surface area test as claimed in claim 1, wherein a cylinder fixing device (7) is provided in the middle of the lower end of the metal frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221053038.1U CN217059600U (en) | 2022-05-05 | 2022-05-05 | Constant pressure device for preparing test material layer in specific surface area detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221053038.1U CN217059600U (en) | 2022-05-05 | 2022-05-05 | Constant pressure device for preparing test material layer in specific surface area detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217059600U true CN217059600U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221053038.1U Active CN217059600U (en) | 2022-05-05 | 2022-05-05 | Constant pressure device for preparing test material layer in specific surface area detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217059600U (en) |
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2022
- 2022-05-05 CN CN202221053038.1U patent/CN217059600U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230718 Address after: 100043 No. 35, Shijingshan Road, Beijing, Shijingshan District Patentee after: China Railway 22nd Bureau Group Co.,ltd. Patentee after: China Railway Jingcheng Engineering Testing Co.,Ltd. Address before: 100043 building 6, building 5, No. 35, Shijingshan Road, Shijingshan District, Beijing Patentee before: China Railway Jingcheng Engineering Testing Co.,Ltd. |