CN211061143U - Spring elastic coefficient testing device - Google Patents
Spring elastic coefficient testing device Download PDFInfo
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- CN211061143U CN211061143U CN201922311648.1U CN201922311648U CN211061143U CN 211061143 U CN211061143 U CN 211061143U CN 201922311648 U CN201922311648 U CN 201922311648U CN 211061143 U CN211061143 U CN 211061143U
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- sliding block
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 238000006073 displacement reaction Methods 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000007906 compression Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses a spring elasticity coefficient testing device, which relates to the field of testing equipment and comprises a sliding table, a capacitive grid linear sensor, fixed blocks, a second slider and a pressure sensor, wherein the sliding table comprises a base, two guide rods, a screw rod and a first slider, the two guide rods are arranged between two fixed plates in parallel and at intervals, two ends of each guide rod are connected with the two fixed plates in a one-to-one correspondence manner, and two ends of each screw rod are in rotating fit with the two fixed plates in a one-to-one correspondence manner; the fixed block is connected with one of the fixed plates, the second sliding block is located between the fixed block and the first sliding block, the second sliding block is in sliding fit with the two guide rods, the pressure sensor is located between the second sliding block and the first sliding block and is connected with the first sliding block, a spring pressing rod is arranged on one side, close to the fixed block, of the second sliding block, and a spring guide sleeve is arranged on one side, close to the second sliding block, of the fixed block. The utility model discloses spring elastic coefficient testing arrangement has simple structure, convenient to use and the high advantage of measurement accuracy.
Description
Technical Field
The embodiment of the utility model provides a relate to the test equipment field, concretely relates to spring elastic coefficient testing arrangement.
Background
The existing spring test mostly adopts a pressure gauge to measure, but the pressure gauge measures the spring and has the following problems:
1. the spring can bend and have no guidance in the compression process, and data can have deviation;
2. when the pressure gauge reaches a certain compression stroke, the pressure gauge cannot keep positioning and can shake;
3. the stroke cannot be finely adjusted;
therefore, a device capable of intuitively and accurately measuring the elastic coefficient of the spring is needed.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a spring elastic coefficient testing arrangement to there is measurement accuracy low, can't carry out the problem of effectively fixing and the unable small adjustment of stroke to the spring in solving current pressure gauge.
In order to achieve the above object, an embodiment of the present invention provides a spring elastic coefficient testing device, which includes a sliding table and a capacitive linear sensor, wherein the sliding table includes a base, two guide rods, a lead screw and a first slider, two ends of the base are respectively provided with a fixed plate, the two guide rods are arranged between the two fixed plates in parallel and at intervals, two ends of the guide rods are connected with the two fixed plates in a one-to-one correspondence manner, the lead screw is located between the two guide rods, and two ends of the lead screw are in one-to-one correspondence with the two fixed plates in a rotation fit manner; the first sliding block is in threaded fit with the screw rod and is in sliding fit with the two guide rods; the spring elasticity coefficient testing device further comprises a fixed block, a second sliding block and a pressure sensor, wherein the fixed block is connected with one fixed plate, the second sliding block is positioned between the fixed block and the first sliding block, the second sliding block is in sliding fit with the two guide rods, the pressure sensor is positioned between the second sliding block and the first sliding block and is connected with the first sliding block, a spring pressing rod is arranged on one side, close to the fixed block, of the second sliding block, and a spring guide sleeve is arranged on one side, close to the second sliding block, of the fixed block; the capacitive linear sensor is used for measuring the moving distance of the first sliding block.
Further, the capacitive grid linear sensor comprises a capacitive grid linear sensor fixing piece and a displacement display mechanism, the capacitive grid linear sensor fixing piece is arranged on the outer side of the side plate on one side of the base, and the displacement display mechanism is arranged at one end of the first sliding block.
Further, a pressure sensor fixing plate is arranged on the first sliding block, and the pressure sensor is connected with the first sliding block through the pressure sensor fixing plate.
Furthermore, a groove is formed in the outer side of the side plate, and the fixing piece of the capacitive grating linear sensor is embedded into the groove.
Further, one end of the screw rod is provided with a knob.
Further, the displacement display mechanism is provided with a zero setting button.
Further, the displacement display mechanism is provided with a USB interface.
The embodiment of the utility model provides a have following advantage:
1. the spring elasticity coefficient testing device provided by the embodiment of the utility model prevents the spring from bending or deviating in the compression process through the cooperation of the spring guide sleeve and the spring pressure rod, and ensures the accuracy of the test; and the spring parameters of different specifications are measured by replacing different spring guide sleeves and spring pressing rods.
2. The utility model discloses spring elastic coefficient testing arrangement can show linear motion distance through displacement display mechanism, and it is higher to compare in current slip table accuracy.
3. The utility model discloses spring elastic coefficient testing arrangement can return to zero or the operation of getting data of button in the optional position through displacement display mechanism, and it is more convenient to operate.
4. The utility model discloses spring elastic coefficient testing arrangement is linear motion through the adjustable first slider of rotatory knob, carries out the accurate adjustment to the stroke of first slider, improves the accuracy of test.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of a test structure of a linear sliding table device with digital display according to an embodiment of the present invention;
fig. 2 is a schematic top view of a linear sliding table device with digital display according to an embodiment of the present invention;
fig. 3 is a schematic view of a three-dimensional structure of a linear sliding table device with digital display according to an embodiment of the present invention.
Description of reference numerals: 1. a sliding table; 2. a fixed block; 3. a second slider; 4. a first slider; 5. a spring guide sleeve; 6. a spring compression bar; 7. a pressure sensor fixing plate; 8. a pressure sensor; 9. a fixing part of the capacitive linear sensor; 10. a displacement display mechanism; 11. a knob.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, 2 and 3, the linear sliding table device with digital display comprises a sliding table 1, a capacitive gate linear sensor, a fixed block 2, a second slider 3 and a pressure sensor 8, wherein the sliding table 1 comprises a base, two guide rods, a screw rod and a first slider 4, side plates are respectively arranged on two sides of the base, a groove is formed in the outer side of one of the side plates, a fixed plate is used for providing an installation base for the guide rods and the screw rod, and fixed plates are respectively arranged at two ends of the base. The two guide rods are arranged between the two fixing plates in parallel at intervals, two ends of each guide rod are connected with the two fixing plates in a one-to-one correspondence manner, the screw rod is positioned between the two guide rods, the screw rod and the guide rods are parallel to each other, and two ends of the screw rod are in one-to-one correspondence and are in rotating fit with the two fixing plates; the first sliding block 4 is in threaded fit with the lead screw, through holes in sliding fit with the guide rods are formed in the two ends of the first sliding block 4, and the pressure sensor fixing plate 7 is arranged on the first sliding block 4. One end of the screw rod is provided with a knob 11, the first sliding block 4 can be adjusted to do linear motion by rotating the knob 11 during use, the stroke of the first sliding block 4 is accurately adjusted, and the testing accuracy is improved.
The capacitive linear sensor is used for measuring the moving distance of the first sliding block 4, the capacitive linear sensor comprises a capacitive linear sensor fixing part 9 and a displacement display mechanism 10, the displacement display mechanism 10 is mainly composed of a capacitive linear sensor moving part, an acquisition circuit, a display screen and a shell, the capacitive linear sensor is an existing device which can be purchased on the market on a large scale, the specific structure of the capacitive linear sensor fixing part is not introduced in detail any more, the capacitive linear sensor fixing part 9 is embedded into a groove, the displacement display mechanism 10 is arranged at one end of the first sliding block 4, and when the displacement display mechanism 10 moves, the displacement display mechanism 10 can measure the moving distance relative to the capacitive linear sensor fixing part 9 in real time and display the moving distance in real time. The linear movement distance can be displayed through the displacement display mechanism 10, and the accuracy is higher compared with that of the existing sliding table. Furthermore, the displacement display mechanism 10 is provided with a zero setting button, the data of the zero setting button is clear 0 when the zero setting button is pressed at any position for a long time, the adjustment knob 11 displays the linear motion distance, and the zero setting or key-press number-taking operation can be carried out at any position through the displacement display mechanism 10, so that the operation is more convenient. Further, the displacement display mechanism 10 is provided with a USB interface, and when the displacement display mechanism 10 is used, the USB interface of the displacement display mechanism 10 is connected with the acquisition device through a USB data line, and when the displacement display mechanism reaches a required position, the number taking button is pressed for a short time, so as to record position data.
Fixed block 2 is connected with one of them fixed plate, fixed block 2 is provided with the through-hole near 3 one side of second slider, spring uide bushing 5 is installed in the through-hole, prevent through the cooperation of spring uide bushing 5 and spring depression bar 6 that the spring from taking place crooked or skew in compression process, ensure the accuracy of test, the internal diameter of spring uide bushing 5 is specifically according to the size determination of the spring that awaits measuring, carry out the spring parameter measurement of different specifications through changing different spring uide bushing 5 and spring depression bar 6. The second slider 3 is located between the fixed block 2 and the first slider 4, the second slider 3 is in sliding fit with the two guide rods, a spring pressing rod 6 is arranged on one side, close to the fixed block 2, of the second slider 3, a pressure sensor 8 is used for measuring outward pressure generated when a spring is extruded, the pressure sensor 8 is located between the second slider 3 and the first slider 4, and the pressure sensor 8 is connected with the first slider 4 through a pressure sensor fixing plate 7.
During the test, the spring to be tested is placed into the spring guide sleeve 5, the first sliding block 4 can be made to do linear motion by rotating the knob 11, the first sliding block 4 pushes the second sliding block 3 to move towards the direction close to the fixed block 2, the spring pressing rod 6 is inserted into the spring guide sleeve 5, the spring is compressed, the pressure sensor 8 measures the outward pressure generated when the spring is extruded, the capacitive grating linear sensor measures the moving distance of the spring in the compression process, and the spring elastic coefficient can be calculated according to the measured pressure value and the displacement value.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A spring elasticity coefficient testing device comprises a sliding table and a capacitive grating linear sensor, wherein the sliding table comprises a base, two guide rods, a screw rod and a first sliding block, fixed plates are respectively arranged at two ends of the base, the two guide rods are arranged between the two fixed plates in parallel at intervals, two ends of each guide rod are connected with the two fixed plates in a one-to-one correspondence manner, the screw rod is positioned between the two guide rods, and two ends of the screw rod are in one-to-one correspondence and are in rotating fit with the two fixed plates; the first sliding block is in threaded fit with the screw rod and is in sliding fit with the two guide rods; the device is characterized by further comprising a fixed block, a second sliding block and a pressure sensor, wherein the fixed block is connected with one of the fixed plates, the second sliding block is positioned between the fixed block and the first sliding block, the second sliding block is in sliding fit with the two guide rods, the pressure sensor is positioned between the second sliding block and the first sliding block and is connected with the first sliding block, a spring pressing rod is arranged on one side, close to the fixed block, of the second sliding block, and a spring guide sleeve is arranged on one side, close to the second sliding block, of the fixed block; the capacitive linear sensor is used for measuring the moving distance of the first sliding block.
2. The device for testing the spring elastic coefficient of a base seat of a transformer substation as claimed in claim 1, wherein the capacitive linear sensor comprises a capacitive linear sensor fixing part and a displacement display mechanism, the capacitive linear sensor fixing part is arranged on the outer side of the side plate on one side of the base seat, and the displacement display mechanism is arranged at one end of the first sliding block.
3. The device for testing the spring elastic coefficient of the spring as claimed in claim 2, wherein the first sliding block is provided with a pressure sensor fixing plate, and the pressure sensor is connected with the first sliding block through the pressure sensor fixing plate.
4. The device for testing the spring elastic coefficient of claim 3, wherein a groove is arranged on the outer side of the side plate, and the grid linear sensor fixing piece is embedded in the groove.
5. The spring rate testing device of claim 1, 2, 3 or 4, wherein one end of the screw rod is provided with a knob.
6. A spring rate testing device according to claim 2, 3 or 4, wherein the displacement display mechanism is provided with a zero setting button.
7. The device for testing the spring rate of claim 6, wherein the displacement display mechanism is provided with a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922311648.1U CN211061143U (en) | 2019-12-20 | 2019-12-20 | Spring elastic coefficient testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922311648.1U CN211061143U (en) | 2019-12-20 | 2019-12-20 | Spring elastic coefficient testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211061143U true CN211061143U (en) | 2020-07-21 |
Family
ID=71589751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922311648.1U Expired - Fee Related CN211061143U (en) | 2019-12-20 | 2019-12-20 | Spring elastic coefficient testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211061143U (en) |
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2019
- 2019-12-20 CN CN201922311648.1U patent/CN211061143U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 |