CN213544246U - Disc spring rigidity testing system for field use - Google Patents
Disc spring rigidity testing system for field use Download PDFInfo
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- CN213544246U CN213544246U CN202022450045.2U CN202022450045U CN213544246U CN 213544246 U CN213544246 U CN 213544246U CN 202022450045 U CN202022450045 U CN 202022450045U CN 213544246 U CN213544246 U CN 213544246U
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- disc spring
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- oil tank
- positioning column
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Abstract
A disk spring rigidity testing system for field use belongs to the technical field of disk spring field detection of chemical equipment. It includes the organism, and the inside of installing oil tank, organism in the upper end of organism is equipped with force (forcing) pump, one side is equipped with demonstration and control platform, and the force (forcing) pump is connected with the oil tank through the pipeline, and the output of oil tank is connected with pressure device, is equipped with pressure sensor on the pressure device and is connected with control platform with the demonstration, is equipped with the bearing plate on the organism, and the bearing plate is connected with resistance displacement sensor. The utility model is based on the characteristic that the pressure interval of single disc spring unit deformation is large, the method for detecting the pressurizing pressure by adopting the displacement signal control can accurately control the detecting pressurizing pressure under the single disc spring unit pressure and on the basis of small deformation, thereby improving the detecting precision; the positioning column adopts the upper portion cylindric lock, and the design of lower part helicitic texture can be according to the installation demand of unidimensional dish spring, changes the positioning column of corresponding size, and it is convenient to change, easy operation.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry equipment dish spring witnessed inspections, concretely relates to dish spring rigidity test system of on-the-spot usefulness.
Background
Most of disc springs used in the chemical field are high-temperature disc springs, and under the high-temperature working condition, the disc springs generate obvious creep and stress relaxation materials to be oxidized and thermally decomposed, so that the plastic deformation is increased. Therefore, during the use of the disc spring, the disc spring is required to have sufficient resilience. Under a certain preload, the separation of the sealing surface of the bolt porch connecting system due to the working load and the creep hard gas of the bolt and gasket materials can be compensated for the disc spring with good resilience. And the disc spring used in the chemical field has short service cycle and is not in line with the concept of energy conservation and emission reduction, so that the rigidity of the disc spring needs to be detected to determine whether the disc spring has good resilience or not, and whether the disc spring can be recycled and processed again or not is judged.
The existing disc spring field detection equipment mainly controls the pressurizing displacement in the detection process by collecting pressure signals for a combined disc spring, but when the existing disc spring field detection equipment is used for a single disc spring, the pressurizing displacement is detected by controlling the pressure signals because the pressure interval of unit deformation of the single disc spring is large, so that the detection precision is reduced.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, the utility model aims to provide an utilize displacement signal control to detect pressurization pressure, and then realize dish spring rigidity witnessed inspections's system.
The utility model provides a following technical scheme: a disc spring rigidity testing system for field use comprises a machine body; the method is characterized in that: the upper end of the machine body is provided with an oil tank, a pressure pump is arranged in the machine body, a display and control platform is arranged on one side of the machine body, the pressure pump is connected with the oil tank through a pipeline, the output end of the oil tank is connected with a pressure device, a pressure sensor is arranged on the pressure device and is connected with the display and control platform, a bearing plate is arranged on the machine body, and the bearing plate is connected with a resistance displacement sensor;
the bottom of organism is provided with the base, and the base is connected with the organism through a set of bracing piece, the upper end of base is installed and is supplied dish spring bearing block, is equipped with the reference column that supplies dish spring location usefulness on the bearing block.
The on-site disc spring rigidity testing system is characterized in that the upper portion of the positioning column is of a cylindrical pin structure, the lower portion of the positioning column is of a threaded structure, and the positioning column is fixedly installed on the bearing block through the lower threaded structure.
The rigidity testing system for the disc spring for the field use is characterized in that the lower portion of the base is provided with a roller and a supporting device.
The on-site disc spring stiffness testing system is characterized in that the pressure bearing plate is located below the pressurizing device.
The system for testing the rigidity of the disc spring for the field is characterized in that the resistance displacement sensor comprises an infrared light-emitting diode, a photosensitive diode and a light shielding plate arranged between the infrared light-emitting diode and the photosensitive diode, and the light shielding plate is arranged on the disc spring to be tested.
Through adopting above-mentioned technique, compare with prior art, the beneficial effects of the utility model are as follows:
1) the utility model adopts the structure of detecting the pressurizing pressure by the displacement signal control based on the characteristic that the pressure interval of the single disc spring unit deformation is larger, can accurately control the detecting pressurizing pressure under the single disc spring unit pressure and on the basis of small deformation, and further improves the detecting precision;
2) the utility model discloses well reference column adopts the upper portion cylindric lock, and lower part helicitic texture's design can change the reference column that corresponds the size according to the installation demand of unidimensional dish spring, and it is convenient to change, easy operation.
Drawings
FIG. 1 is a schematic structural view of the disk spring stiffness field test device of the present invention;
fig. 2 is a schematic diagram of the resistance displacement sensor of the present invention.
In the figure: 1. a body; 2. an oil tank; 3. a pressurizing device; 4. a resistance displacement sensor; 5. a roller; 6. a display and control platform; 7. a positioning column; 8. a support device; 9. a pressure bearing plate; 10. a support bar; 11. a pressure pump; 12. a pipeline; 13. a base; 14. a pressure-bearing block; 15. a disc spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments of the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
Referring to fig. 1-2, a system for testing stiffness of a disc spring for field use includes a body 1; the upper end of the machine body 1 is provided with an oil tank 2, a pressure pump 11 is arranged in the machine body 1, a display and control platform 6 is arranged on one side of the machine body, the pressure pump 11 is connected with the oil tank 2 through a pipeline 12, the output end of the oil tank 2 is connected with a pressure device 3, a pressure sensor is arranged on the pressure device 3 and is connected with the display and control platform 6, a pressure bearing plate 9 is arranged on the machine body 1, and the pressure bearing plate 9 is connected with a resistance displacement sensor 4;
the bottom of organism 1 is provided with base 13, and base 13 is connected with organism 1 through a set of bracing piece 10, the upper end of base 13 is installed and is supplied dish spring 15 bearing block 14, is equipped with on the bearing block 14 to supply the reference column 7 of dish spring 15 location usefulness, and reference column 7 upper portion is the cylindric lock structure, and the lower part is the helicitic texture, and reference column 7 is through lower part helicitic texture fixed mounting on bearing block 14.
The lower part of the base 13 is provided with a roller 5 and a supporting device 8.
As shown in fig. 2, the resistance displacement sensor 4 includes an infrared light emitting diode a, a photosensitive diode B, and a light shielding plate C disposed between the infrared light emitting diode a and the photosensitive diode B, and the light shielding plate C is mounted on the disc spring 15 to be measured.
The infrared light emitting diode a emits an infrared beam to impinge on the photodiode B, thereby causing a current through the photodiode to vary with the incident light flux. A light shielding plate C is arranged between A, B and fixed on the object to be measured and moves along with the object to be measured; if the luminous flux emitted by A is constant, the C plate shields a part of the infrared beam emitted by A so as to prevent the infrared beam from reaching B, the photosensitive diode B receives the residual luminous flux shielded by the C plate, and generates a photocurrent In, obviously, Ie is related to the position of the light shielding plate C. The relationship between the position of the measured object C and the current Ie output by the photosensitive diode or the output voltage Ve after amplifying the current to the voltage can be calibrated by an experimental method:
X＝g(I)＝F(V)
a test method of a disk spring rigidity test system for field use is characterized in that a mode of pressurizing 3 single disk springs with different sizes is adopted for testing, the sizes of the disk springs are respectively M20, M27 and M33, the maximum deformation amount of the disk springs is 0.75h, so that the disk springs cannot be flattened, and once the disk springs are flattened, potential energy cannot be stored through subsequent deformation.
S1 disc spring load calculation:
s2 disc spring stiffness calculation:
algorithms for various parameters:
K4＝1
the rigidity values of the three disc springs calculated by the theoretical formula are 193.7KN/mm, 374.5KN/mm and 193.7 KN/mm.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A disc spring rigidity testing system for field use comprises a machine body (1); the method is characterized in that: the oil tank (2) is mounted at the upper end of the machine body (1), the pressure pump (11) is arranged inside the machine body (1), the display and control platform (6) is arranged on one side of the machine body, the pressure pump (11) is connected with the oil tank (2) through a pipeline (12), the output end of the oil tank (2) is connected with the pressure device (3), the pressure sensor is arranged on the pressure device (3) and is connected with the display and control platform (6), the bearing plate (9) is arranged on the machine body (1), and the bearing plate (9) is connected with the resistance displacement sensor (4);
the bottom of organism (1) is provided with base (13), and base (13) are connected with organism (1) through a set of bracing piece (10), the upper end of base (13) is installed and is supplied dish spring (15) bearing block (14), is equipped with on bearing block (14) and supplies positioning column (7) that dish spring (15) location was used.
2. The disc spring stiffness testing system for the field use according to claim 1, wherein the upper portion of the positioning column (7) is of a cylindrical pin structure, the lower portion of the positioning column is of a threaded structure, and the positioning column (7) is fixedly installed on the bearing block (14) through the lower threaded structure.
3. The system for testing the stiffness of the disc spring for the field according to claim 1, wherein the roller (5) and the supporting device (8) are arranged at the lower part of the base (13).
4. A disc spring stiffness test system for use in the field according to claim 1, wherein the pressure plate (9) is located below the pressure device (3).
5. The disc spring stiffness testing system for the field according to claim 1, wherein the resistance displacement sensor (4) comprises an infrared light emitting diode (A), a photosensitive diode (B) and a light shielding plate (C) arranged between the infrared light emitting diode (A) and the photosensitive diode (B), and the light shielding plate (C) is mounted on the disc spring (15) to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022450045.2U CN213544246U (en) | 2020-10-29 | 2020-10-29 | Disc spring rigidity testing system for field use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022450045.2U CN213544246U (en) | 2020-10-29 | 2020-10-29 | Disc spring rigidity testing system for field use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213544246U true CN213544246U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022450045.2U Active CN213544246U (en) | 2020-10-29 | 2020-10-29 | Disc spring rigidity testing system for field use |
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| Country | Link |
|---|---|
| CN (1) | CN213544246U (en) |
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2020
- 2020-10-29 CN CN202022450045.2U patent/CN213544246U/en active Active
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