CN216385938U - Experimental apparatus for detecting rubber sheet - Google Patents
Experimental apparatus for detecting rubber sheet Download PDFInfo
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- CN216385938U CN216385938U CN202123201342.4U CN202123201342U CN216385938U CN 216385938 U CN216385938 U CN 216385938U CN 202123201342 U CN202123201342 U CN 202123201342U CN 216385938 U CN216385938 U CN 216385938U
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Abstract
The utility model relates to an experimental apparatus for detecting rubber sheets, which comprises a weighing device, an object placing table, a measuring cup and a material pressing mechanism, wherein the object placing table is arranged on the object placing table; a measuring platform is arranged on the weighing device; the object placing table is placed on the measuring platform, an object placing plane is formed on the object placing table, and the measuring cup is placed on the object placing plane; the pressing mechanism comprises a support frame and a pressing component; the support frame is placed on the measuring platform; the material pressing component comprises a connecting rod and a material pressing disc; one end of the connecting rod is hung on the support frame, and the other end of the connecting rod extends into the measuring cup; the material pressing disc is arranged at the end of the connecting rod in the measuring cup, a material pressing cavity is formed on one surface of the material pressing disc, and a plurality of clamping ports communicated with the other surface of the material pressing disc and the material pressing cavity are formed on the material pressing disc. The utility model has the advantages of high accuracy of measurement results, convenient use, lower cost and the like.
Description
Technical Field
The utility model relates to the technical field of measuring equipment, in particular to an experimental apparatus for detecting rubber sheets.
Background
Most of the existing gas equipment is provided with a rubber sheet, and the liquid resistance of the rubber sheet is an important index. Because the density of the rubber sheet used for gas equipment such as a pressure regulator is generally lower than 1g/m3Therefore, in the existing liquid resistance experiment of the rubber sheet, in order to prevent the rubber sheet from floating upwards, a pendant needs to be arranged on the rubber sheet to enable the rubber sheet and the pendant to be completely soaked in distilled water together, the rubber sheet is respectively in the weights in the distilled water and in the air before and after being soaked in the soaking liquid through a weighing device, and the weight of the pendant in the distilled water is measured, so that the weight change percentage and the volume change percentage of the rubber sheet before and after being soaked in the soaking liquid are obtained through conversion, and the liquid resistance performance of the rubber sheet is further evaluated. In the actual experimental operation process, because the weight of the distilled water is large, when the weight of the rubber sheet in the distilled water is measured, a weighing device with a large measurement range needs to be used to meet the measurement requirement, but because the weight of the rubber sheet is far smaller than the weight of the distilled water, if the same weighing device is used to measure the weight of the rubber sheet in the air, the measurement sensitivity of the weighing device is low, so that the measurement result error is large, and therefore, the weighing device with a small additional measurement range is usually used to measure the weight of the rubber sheet in the air; therefore, a plurality of weighing devices with different specifications need to be used in the experiment process, the use is inconvenient, and the equipment cost is high. In addition, current experimental apparatus fixes on the rubber sheet with the weight cartridge, and this kind of mode can cause the damage to the rubber sheet, and use cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an experimental device for detecting rubber sheets, which has the advantages of high accuracy of measurement results, convenience in use, lower cost and the like.
The technical scheme adopted by the utility model for solving the technical problems is as follows: an experimental apparatus for detecting rubber sheets comprises a weighing device, a placing table, a measuring cup and a material pressing mechanism; a measuring platform is arranged on the weighing device; the object placing table is placed on the measuring platform, an object placing plane is formed on the object placing table, and the measuring cup is placed on the object placing plane; the pressing mechanism comprises a support frame and a pressing component; the support frame is arranged on the object placing table; the material pressing component comprises a connecting rod and a material pressing disc; one end of the connecting rod is hung on the support frame, and the other end of the connecting rod extends into the measuring cup; the material pressing disc is arranged at the end of the connecting rod in the measuring cup, a material pressing cavity is formed on one surface of the material pressing disc, and a plurality of clamping ports communicated with the other surface of the material pressing disc and the material pressing cavity are formed on the material pressing disc.
The working principle of the utility model is as follows:
if the weight of the material pressing component in distilled water needs to be measured, only the measuring cup and the support frame of the material pressing mechanism are placed on the measuring platform, and distilled water is injected into the measuring cup; if the total weight of the rubber sheet and the pressing component before soaking in distilled water and the total weight of the rubber sheet and the pressing component after soaking in distilled water are measured, on the basis of obtaining the weight data of the pressing component in distilled water according to the method, the rubber sheet before soaking or after soaking is installed in a pressing cavity of a pressing disc of the pressing component, then the pressing disc is placed into the measuring cup again, the pressing disc and the rubber sheet are completely soaked in distilled water, and the weight data displayed by the weighing device is the total weight of the rubber sheet before soaking or after soaking and the pressing component in distilled water; if the weight of the rubber sheet in the distilled water before soaking and the weight of the rubber sheet in the distilled water after soaking are to be measured, the measuring cup is taken away from the measuring platform, the object placing table and the material pressing mechanism are placed on the measuring platform, the measurement data of the weighing device is reset at the moment, the rubber sheet before soaking or after soaking is installed in the material pressing cavity of the material pressing disc of the material pressing assembly, and the weight data displayed on the weighing device at the moment is the weight of the rubber sheet before soaking or after soaking in the air. The following data can be obtained in the experimental process by the three ways described above: the weight m1 of the rubber sheet before soaking in the air, the weight m2 of the rubber sheet after soaking in the air, the total weight m3 of the rubber sheet before soaking and the swaging component in distilled water, the total weight m4 of the rubber sheet after soaking and the swaging component in distilled water and the weight m5 of the swaging component in distilled water are converted according to the experimental formula of the liquid resistance experiment of the rubber sheet, wherein the weight is m (m2-m1)/m 1) x100 percent, and the weight is Δ V (m2-m4+ m5)/(m1-m3+ m5) -1) x100 percent to obtain the weight change percentage Δ m and the volume change percentage V of the rubber sheet before and after soaking in the soaking liquid, thereby evaluating the liquid resistance of the rubber sheet. In the experimental process, the object placing table has the function of reducing the residual measurable weight of the weighing device, and the weighing device is reset to reduce the measurable range of the weighing device, so that the ratio of the weight of the rubber sheet to the measurable weight of the weighing device is increased, the measurement sensitivity of the weighing device to the rubber sheet is improved, and the accuracy of the measurement result of the weighing device to the rubber sheet is improved; the design does not need to use a plurality of weighing devices with different specifications to complete the experiment, the use is more convenient, and the equipment cost is reduced. In addition, the rubber sheet is installed and fixed in the material pressing cavity by clamping the outer edge of the rubber sheet on the clamping opening of the material pressing disc, so that the rubber sheet is not damaged, and the use cost is reduced.
Further, the experimental apparatus for detecting the rubber sheet as described above, the supporting frame includes a fixing seat, a supporting rod and a supporting seat; the fixed seat is placed on the measuring platform; one end of the supporting rod is connected with the fixed seat, and the other end of the supporting rod is connected with the supporting seat; the supporting seat is located above the measuring cup, and the connecting rod of the material pressing component is hung on the supporting seat.
Further, as for the experimental apparatus for detecting the rubber sheet, the support base is provided with two cross bars, the two cross bars are arranged side by side and are separated from each other, and a clamping gap is formed between the two cross bars; the connecting rod hoist and mount are installed the boss on that one end of support frame, the boss is placed on two horizontal poles to the connecting rod passes and clamps the clearance and is hoisted on two horizontal poles.
Further, according to the experimental apparatus for detecting the rubber sheet, a plurality of support columns are installed on the bottom surface of the object placing table, so that an installation space is formed between the bottom surface of the object placing table and the measuring platform; the fixing seat of the supporting frame is clamped in the mounting space between the object placing table and the measuring platform.
Furthermore, as for the experimental apparatus for detecting the rubber sheet, the object placing table is provided with the clamping seat, the clamping seat is located in the installation space, the clamping seat is provided with the clamping cavity, the clamping seat is provided with the clamping hole communicated with the clamping cavity, and the clamping hole is vertically arranged; a fixing lug is formed on the fixing seat and inserted into the clamping cavity, a fixing groove is formed on the fixing lug and is coaxially arranged with the clamping hole, and the fixing groove is communicated with the clamping hole; a through hole is formed on the top surface of the object placing table, the through hole and the clamping hole are coaxially arranged, and the through hole is communicated with the clamping hole; the positioning pin is arranged on the top surface of the object placing table, and one end of the positioning pin penetrates through the through hole and the clamping hole in sequence from the top surface of the object placing table to be inserted into the fixing groove of the fixing lug.
Further, as before the experimental apparatus for detecting the rubber sheet, the object placing table is further provided with a balancing weight, and the balancing weight is located in the installation space.
Further, as for the experimental apparatus for detecting rubber sheets, the mounting seat is installed at one end of the connecting rod, the material pressing disc is rotatably installed on the mounting seat, and the rotation axis of the material pressing disc is parallel to the object placing plane.
Further, as for the experimental device for detecting the rubber sheet, a thermometer is further mounted on the measuring cup, and a measuring end of the thermometer extends into the measuring cup.
The technical scheme of the utility model has the following beneficial effects: the utility model has the advantages of high accuracy of measurement results, convenient use, lower cost and the like.
Drawings
FIG. 1 is a top view of an embodiment;
FIG. 2 is a sectional view in the direction A-A of the embodiment;
description of reference numerals:
1-a weighing device; 11-a measuring platform; 2-placing the object table; 21-a placement plane; 22-a support column; 23-installation space; 3-measuring the cup; 4-a pressing mechanism; 41-a support frame; 411-a fixed seat; 412-support rods; 413-a support seat; 414-fixed bumps; 415-a cross-bar; 416-a clamping gap; 42-a material pressing component; 421-a connecting rod; 422-material pressing disc; 423-clamping port; 424-pressing cavity; 425-boss; 426-a mounting seat; 5-clamping a seat; 51-a card-mounting cavity; 6-positioning pins; 7-balancing weight.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Fig. 1 to 2 show an experimental apparatus for detecting rubber sheets according to an embodiment, which includes a weighing device 1, a placing table 2, a measuring cup 3 and a pressing mechanism 4; a measuring platform 11 is arranged on the weighing device 1; the object placing table 2 is placed on the measuring platform 11, an object placing plane 21 is formed on the object placing table 2, and the measuring cup 3 is placed on the object placing plane 21; the pressing mechanism 4 comprises a support frame 41 and a pressing component 42; the support frame 41 is arranged on the object placing table 2; the pressing component 42 comprises a connecting rod 421 and a pressing disc 422; one end of the connecting rod 421 is hung on the support frame 41, and the other end of the connecting rod 421 extends into the measuring cup 3; the material pressing disc 422 is arranged at the end of the connecting rod 421 in the measuring cup 3, a material pressing cavity 424 is formed on one surface of the material pressing disc 422, and a plurality of clamping ports 423 for communicating the other surface of the material pressing disc 422 with the material pressing cavity 424 are formed on the material pressing disc 422.
The working principle of the utility model is as follows:
if the weight of the material pressing component 42 in the distilled water is to be measured, only the measuring cup 3 and the support frame 41 of the material pressing mechanism 4 are placed on the measuring platform 11, the distilled water is injected into the measuring cup 3, and the weighing device 1 adopts an electronic scale, so that the measurement data of the weighing device 1 can be cleared at this time, then the material pressing component 42 is installed on the support frame 41, and the material pressing disk 422 of the material pressing component 42 is completely soaked in the distilled water, and at this time, the weight data displayed on the weighing device 1 is the weight of the material pressing component 42 in the distilled water; if the total weight of the rubber sheet and the pressing component 42 before soaking in the distilled water and the total weight of the rubber sheet and the pressing component 42 after soaking in the distilled water are to be measured, on the basis of obtaining the weight data of the pressing component 42 in the distilled water according to the manner described above, the rubber sheet before soaking or after soaking is installed in the pressing cavity 424 of the pressing disc 422 of the pressing component 42, then the pressing disc 422 is placed into the measuring cup 3 again, and the pressing disc 422 and the rubber sheet are completely soaked in the distilled water, at this time, the weight data displayed by the weighing device 1 is the total weight of the rubber sheet and the pressing component 42 before soaking or after soaking in the distilled water; if the weight of the rubber sheet before soaking in the distilled water and the weight of the rubber sheet after soaking in the distilled water are to be measured, the measuring cup 3 is taken away from the measuring platform 11, the placing table 2 and the pressing mechanism 4 are placed on the measuring platform 11, the measurement data of the weighing device 1 is cleared, the rubber sheet before soaking or after soaking is installed in the pressing cavity 424 of the pressing disc 422 of the pressing assembly 42, and the weight data displayed on the weighing device 1 is the weight of the rubber sheet before soaking or after soaking in the air. The following data can be obtained in the experimental process by the three ways described above: the weight m1 of the rubber sheet before soaking in the air, the weight m2 of the rubber sheet after soaking in the air, the total weight m3 of the rubber sheet and pressing assembly 42 before soaking in the distilled water, the total weight m4 of the rubber sheet and pressing assembly 42 after soaking in the distilled water and the weight m5 of the pressing assembly 42 in the distilled water are converted according to the experimental formula of the liquid resistance experiment of the rubber sheet, wherein the weight delta m is [ (m2-m1)/m1] x 100% and the delta V is [ (m2-m4+ m5)/(m1-m3+ m5) -1] x 100%, so that the weight change percentage delta m and the volume change percentage V before and after soaking of the rubber sheet in the soaking liquid can be obtained, and the liquid resistance performance of the rubber sheet is further evaluated. In the experimental process, the object placing table 2 is used for reducing the residual measurable weight of the weighing device 1, and then the weighing device 1 is subjected to zero clearing treatment to reduce the measurable range of the weighing device 1, so that the ratio of the weight of the rubber sheet to the measurable weight of the weighing device 1 is increased, the measurement sensitivity of the weighing device 1 to the rubber sheet is improved, and the accuracy of the measurement result of the weighing device 1 to the rubber sheet is improved; the design does not need to use a plurality of weighing devices 1 with different specifications to complete the experiment, the use is more convenient, and the equipment cost is reduced. In addition, the rubber sheet is installed and fixed in the material pressing cavity 424 through the clamping opening 423 of the material pressing disc 42, so that the rubber sheet is not damaged, and the use cost is reduced.
As shown in fig. 1 and fig. 2, the supporting frame 41 includes a fixing seat 411, a supporting rod 412 and a supporting seat 413; the fixed seat 411 is placed on the measuring platform 11; one end of the support rod 412 is connected with the fixed seat 411, and the other end of the support rod 412 is connected with the supporting seat 413; the supporting seat 413 is located above the measuring cup 3, and the connecting rod 421 of the pressing component 42 is hung on the supporting seat 413. Such a design makes the structure of the support frame 41 more reasonable.
As shown in fig. 1 and fig. 2, two cross bars 415 are arranged on the supporting seat 413, the two cross bars 415 are arranged side by side and are spaced apart, and a clamping gap 416 is formed between the two cross bars 415; the end of the connecting rod 421 that is hung on the supporting frame 41 is provided with a boss 425, and the boss 425 is placed on the two cross rods 415, so that the connecting rod 421 passes through the clamping gap 416 and is hung on the two cross rods 415. The design enables the swaging component 42 to be more easily detached from and installed on the supporting frame 41, and the use is more convenient.
As shown in fig. 2, a plurality of support columns 22 are installed on the bottom surface of the object placing table 2, so that an installation space 23 is formed between the bottom surface of the object placing table 2 and the measuring platform 11; the fixing seat 411 of the supporting frame 41 is clamped in the installation space 23 between the object placing table 2 and the measuring platform 11. Such a design can make the support frame 41 more stable, improving stability.
As shown in fig. 2, a clamping seat 5 is installed on the object placing table 2, the clamping seat 5 is located in the installation space 23, a clamping cavity 51 is formed on the clamping seat 5, and a clamping hole communicated with the clamping cavity 51 is formed on the clamping seat 5 and is vertically arranged; a fixing bump 414 is formed on the fixing seat 411, the fixing bump 414 is inserted into the clamping cavity 51, a fixing groove is formed on the fixing bump 414, the fixing groove and the clamping hole are coaxially arranged, and the fixing groove is communicated with the clamping hole; a through hole is formed on the top surface of the object placing table 2, the through hole and the clamping hole are coaxially arranged, and the through hole is communicated with the clamping hole; and the positioning pin 6 is also included, and one end of the positioning pin 6 sequentially penetrates through the through hole and the clamping hole from the top surface of the object placing table 2 to be inserted into the fixing groove of the fixing lug 414. The positioning pin can make the fixing seat 411 of the supporting frame 41 be clamped in the mounting space 23 between the object placing table 2 and the measuring platform 11, and the stability is improved.
As shown in fig. 2, a weight block 7 is further installed on the object placing table 2, and the weight block 7 is located in the installation space 23. The effect of balancing weight 7 lies in that the cooperation puts thing platform 2 and further reduces weighing device 1's measurable quantity scope, can select the balancing weight 7 of suitable weight according to weighing device 1's specification when using, and then makes weighing device 1's optional specification range wider.
As shown in fig. 2, a mounting seat 426 is mounted at one end of the connecting rod 421, the material pressing plate 422 is rotatably mounted on the mounting seat 426, and the rotation axis of the material pressing plate 422 is parallel to the object placing plane 21. In the experimental process of measuring the weight of the rubber sheet in the air before soaking and the weight of the rubber sheet in the air after soaking, the opening of the material pressing cavity 424 can be upward by rotating the material pressing disc 422, the rubber sheet can be directly placed in the material pressing cavity 424 of the material pressing disc 422 due to the design, the outer edge of the rubber sheet does not need to be clamped in the clamping opening 423 of the material pressing disc 422 for fixing, and the use is more convenient.
A thermometer (not shown in the figures) is also mounted on the measuring cup 3, the measuring end of which extends into the measuring cup 3. The thermometer can monitor the temperature of the liquid in the measuring cup 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A laboratory instrument for detecting rubber sheets is characterized in that: comprises a weighing device, a placing table, a measuring cup and a material pressing mechanism; a measuring platform is arranged on the weighing device; the object placing table is placed on the measuring platform, an object placing plane is formed on the object placing table, and the measuring cup is placed on the object placing plane; the pressing mechanism comprises a support frame and a pressing component; the support frame is placed on the measuring platform; the material pressing component comprises a connecting rod and a material pressing disc; one end of the connecting rod is hung on the support frame, and the other end of the connecting rod extends into the measuring cup; the material pressing disc is arranged at the end of the connecting rod in the measuring cup, a material pressing cavity is formed on one surface of the material pressing disc, and a plurality of clamping ports communicated with the other surface of the material pressing disc and the material pressing cavity are formed on the material pressing disc.
2. The test device for testing rubber sheets according to claim 1, wherein: the support frame comprises a fixed seat, a support rod and a support seat; the fixed seat is placed on the measuring platform; one end of the supporting rod is connected with the fixed seat, and the other end of the supporting rod is connected with the supporting seat; the supporting seat is located above the measuring cup, and the connecting rod of the material pressing component is hung on the supporting seat.
3. The test device for testing rubber sheets according to claim 2, wherein: the supporting seat is provided with two cross rods which are arranged side by side and are separated from each other, and a clamping gap is formed between the two cross rods; the connecting rod hoist and mount are installed the boss on that one end of support frame, the boss is placed on two horizontal poles to the connecting rod passes and clamps the clearance and is hoisted on two horizontal poles.
4. The test device for testing rubber sheets according to claim 2, wherein: a plurality of support columns are arranged on the bottom surface of the object placing table, so that an installation space is formed between the bottom surface of the object placing table and the measuring platform; the fixing seat of the supporting frame is clamped in the mounting space between the object placing table and the measuring platform.
5. The test device for testing rubber sheets according to claim 4, wherein: the object placing table is provided with a clamping seat, the clamping seat is positioned in the installation space, a clamping cavity is formed on the clamping seat, a clamping hole communicated with the clamping cavity is formed on the clamping seat, and the clamping hole is vertically arranged; a fixing lug is formed on the fixing seat and inserted into the clamping cavity, a fixing groove is formed on the fixing lug and is coaxially arranged with the clamping hole, and the fixing groove is communicated with the clamping hole; a through hole is formed on the top surface of the object placing table, the through hole and the clamping hole are coaxially arranged, and the through hole is communicated with the clamping hole; the positioning pin is arranged on the top surface of the object placing table, and one end of the positioning pin penetrates through the through hole and the clamping hole in sequence from the top surface of the object placing table to be inserted into the fixing groove of the fixing lug.
6. The test device for testing rubber sheets according to claim 4, wherein: the object placing table is also provided with a balancing weight which is positioned in the installation space.
7. The test device for testing rubber sheets according to claim 1, wherein: the mounting seat is installed to the one end of connecting rod, the pressure charging tray is rotationally installed on the mounting seat, and the axis of rotation of pressure charging tray is parallel with puts the thing plane.
8. The test device for testing rubber sheets according to claim 1, wherein: the measuring cup is also provided with a thermometer, and the measuring end of the thermometer extends into the measuring cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123201342.4U CN216385938U (en) | 2021-12-20 | 2021-12-20 | Experimental apparatus for detecting rubber sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123201342.4U CN216385938U (en) | 2021-12-20 | 2021-12-20 | Experimental apparatus for detecting rubber sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216385938U true CN216385938U (en) | 2022-04-26 |
Family
ID=81236767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123201342.4U Active CN216385938U (en) | 2021-12-20 | 2021-12-20 | Experimental apparatus for detecting rubber sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216385938U (en) |
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2021
- 2021-12-20 CN CN202123201342.4U patent/CN216385938U/en active Active
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