CN221099950U - Efficient calibrating device for force value of test machine - Google Patents
Efficient calibrating device for force value of test machine Download PDFInfo
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- CN221099950U CN221099950U CN202322837485.7U CN202322837485U CN221099950U CN 221099950 U CN221099950 U CN 221099950U CN 202322837485 U CN202322837485 U CN 202322837485U CN 221099950 U CN221099950 U CN 221099950U
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Abstract
The utility model provides a high-efficiency calibration device for a test machine force value, which relates to the field of test machine force value calibration and comprises a test mechanism, wherein the test mechanism comprises a fixed seat, hydraulic cylinders are fixedly connected to two sides of the top of an inner cavity of the fixed seat, the output ends of the hydraulic cylinders are fixedly connected with connecting seats, the inner cavity of each connecting seat is movably connected with a connecting block, the inner cavity of each connecting block is fixedly connected with a pressure sensor, and a stress block is arranged at the bottom of the inner cavity of the fixed seat; according to the utility model, the output end of the hydraulic cylinder drives the connecting seat, the connecting block and the pressure sensor to move downwards, so that the pressure sensor is contacted with the stress block downwards, further, the detection of the pressure value and the hydraulic value of the hydraulic cylinder is realized, the threaded plate and the positioning rod can be driven to move to one side through the rotation of the threaded rod, the positioning rod is separated from the inside of the positioning hole, and further, the connecting block and the pressure sensor are convenient to take down, maintain or replace, so that the speed and the accuracy of later calibration can be improved.
Description
Technical Field
The utility model belongs to the field of calibration of tester force values, and particularly relates to a high-efficiency calibration device for tester force values.
Background
The testing machine is a device for testing, measuring and evaluating the mechanical properties of materials and structures, and can be used for testing the mechanical properties of materials, such as tensile strength, bending strength, compressive strength and the like, so as to ensure the accuracy of the testing machine and further calibrate the force value of the testing machine.
When the testing machine is used for calibrating the pressure value, the bearing block is firstly placed at the lower end of the equipment, the power equipment drives the pressure sensor to move downwards, so that the pressure sensor is in contact with the bearing block to generate a pressure value, and then the pressure value and the power equipment value are compared and analyzed to check errors of the pressure value and the power equipment value, so that a person can conveniently calibrate according to the errors; however, when in actual use, the pressure sensor is required to be worn easily after long-time use, and is not convenient to take down for maintenance or replacement because of fixed arrangement, so that errors easily occur and frequent detection is required when the later force value is detected, and the calibration speed and accuracy can be influenced.
In summary, the present utility model provides a device for calibrating a mechanical force value of a test machine with high efficiency to solve the above problems.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model provides a high-efficient calibrating device of test machine force value, includes test mechanism, test mechanism includes the fixing base, the equal fixedly connected with hydraulic cylinder in both sides at fixing base inner chamber top, hydraulic cylinder's output fixedly connected with connecting seat, the inner chamber swing joint of connecting seat has the connecting block, the inner chamber fixedly connected with pressure sensor of connecting block, the bottom of fixing base inner chamber is provided with the atress piece, the both sides of connecting seat inner chamber all are provided with coupling mechanism, coupling mechanism includes the spread groove, the inner wall of spread groove has the threaded rod through bearing swing joint, and the surface screw thread connection of threaded rod has the screw thread board, one side fixedly connected with locating lever of screw thread board.
Further, in the utility model, one end of the positioning rod far away from the threaded plate extends to the inner cavity of the positioning hole and is movably connected with the inner cavity of the positioning hole, and one end of the threaded rod far away from the inner wall of the connecting groove penetrates to the outside of the connecting seat and is fixedly connected with the disc.
Further, in the utility model, the bottom of the inner cavity of the fixing seat is provided with the placing groove, and the bottom of the stress block extends to the inner cavity of the placing groove and is movably connected with the inner cavity of the placing groove.
Further, in the utility model, one side of the thread plate is fixedly connected with a limit plate, one side of the inner cavity of the connecting groove is provided with a limit groove, and one end of the limit plate, which is far away from the thread plate, extends to the inner cavity of the limit groove and is in sliding connection with the inner cavity of the limit groove.
Further, the utility model further comprises a PLC controller, a camera, a display screen and a data analysis tool, wherein the PLC controller is positioned at the upper end of the left side of the fixing seat and fixedly connected with the upper end of the left side of the fixing seat, the display screen is positioned at the lower end of the left side of the fixing seat and fixedly connected with the lower end of the left side of the fixing seat, the camera is positioned at the rear of the fixing seat, and the camera is fixedly connected with the back of the fixing seat through a support frame.
Further, in the utility model, the output ends of the camera and the pressure sensor are electrically connected with the input end of the PLC, the hydraulic cylinder and the data analysis tool are electrically connected with the PLC in a bidirectional manner, and the output end of the PLC is electrically connected with the input end of the display screen.
The utility model has the following beneficial effects:
According to the utility model, the output end of the hydraulic cylinder drives the connecting seat, the connecting block and the pressure sensor to move downwards, so that the pressure sensor is in contact with the stress block downwards, further, the detection of the pressure value and the hydraulic value of the hydraulic cylinder is realized, the threaded plate and the positioning rod can be driven to move to one side through the rotation of the threaded rod, the positioning rod is separated from the inside of the positioning hole, further, the connection block and the pressure sensor can be conveniently removed, maintained or replaced, further, the speed and the accuracy of later calibration can be improved, the force value is transmitted to the PLC controller through the hydraulic cylinder and the pressure sensor, the PLC controller can transmit the force value to the data analysis tool for analysis, so that the pressure value and the hydraulic value error can be known, and the calibration can be automatically adjusted according to the error value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view showing a structure of a connecting seat according to the present utility model in a separated sectional view from the bottom;
FIG. 3 is a schematic diagram of the system of the present utility model;
Fig. 4 is a schematic view of a partially enlarged structure at a in fig. 2 according to the present utility model.
In the figure:
1. A testing mechanism; 11. a fixing seat; 111. a placement groove; 12. a hydraulic cylinder; 13. a connecting seat; 14. a connecting block; 15. a pressure sensor; 16. a stress block; 2. a connecting mechanism; 21. a connecting groove; 211. a limiting plate; 22. a threaded rod; 23. a thread plate; 231. a limit groove; 24. a positioning rod; 25. positioning holes; 3. a PLC controller; 4. a camera; 5. and a display screen.
Detailed Description
For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings. Aspects of the utility model are described in this disclosure with reference to the drawings, in which are shown a number of illustrative embodiments. The embodiments of the present disclosure need not be defined to include all aspects of the present utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, may be implemented in any of a number of ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the disclosure may be used alone or in any suitable combination with other aspects of the disclosure.
Example 1
As shown in fig. 1-4, in a first embodiment of the present utility model, the embodiment provides a high-efficiency calibration device for a mechanical force value of a test, where the test mechanism 1 includes a fixing seat 11, two sides of the top of an inner cavity of the fixing seat 11 are fixedly connected with a hydraulic cylinder 12, an output end of the hydraulic cylinder 12 is fixedly connected with a connecting seat 13, an inner cavity of the connecting seat 13 is movably connected with a connecting block 14, an inner cavity of the connecting block 14 is fixedly connected with a pressure sensor 15, a stress block 16 is disposed at the bottom of the inner cavity of the fixing seat 11, two sides of the inner cavity of the connecting seat 13 are provided with a connecting mechanism 2, the connecting mechanism 2 includes a connecting groove 21, an inner wall of the connecting groove 21 is movably connected with a threaded rod 22 through a bearing, a threaded plate 23 is screwed on a surface of the threaded rod 22, and one side of the threaded plate 23 is fixedly connected with a positioning rod 24.
As shown in fig. 1, 2 and 4, the output end of the hydraulic cylinder 12 drives the connecting seat 13, the connecting block 14 and the pressure sensor 15 to move downwards, so that the pressure sensor 15 contacts the stressed block 16 downwards, further, the detection of the pressure value and the hydraulic value of the hydraulic cylinder 12 is realized, the threaded plate 23 and the positioning rod 24 can be driven to move to one side through the rotation of the threaded rod 22, the positioning rod 24 is separated from the inside of the positioning hole 25, and the connection block 14 and the pressure sensor 15 are convenient to take off, maintain or replace, so that the speed and accuracy of later calibration can be improved.
Example 2
Referring to fig. 1, 2 and 4, this embodiment is based on the previous embodiment, which is a second embodiment of the present utility model.
In this embodiment, one end of the positioning rod 24 far away from the threaded plate 23 extends to the inner cavity of the positioning hole 25, and is movably connected with the inner cavity of the positioning hole 25, and one end of the threaded rod 22 far away from the inner wall of the connecting groove 21 penetrates to the outside of the connecting seat 13, and is fixedly connected with a disc.
The bottom of the inner cavity of the fixed seat 11 is provided with a placing groove 111, and the bottom of the stress block 16 extends to the inner cavity of the placing groove 111 and is movably connected with the inner cavity of the placing groove 111.
One side of the threaded plate 23 is fixedly connected with a limiting plate 211, one side of the inner cavity of the connecting groove 21 is provided with a limiting groove 231, and one end, far away from the threaded plate 23, of the limiting plate 211 extends to the inner cavity of the limiting groove 231 and is in sliding connection with the inner cavity of the limiting groove 231.
As shown in fig. 1, 2 and 4, the threaded rod 22 is conveniently driven to rotate through the disc, the stress block 16 is located in the inner cavity of the placing groove 111, so that the stress block 16 can be limited, dislocation of the stress block 16 is prevented, meanwhile, when the threaded plate 23 moves, the threaded plate 23 drives the limiting plate 211 to slide in the inner cavity of the limiting groove 231, the threaded plate 23 can move along the inner cavity track of the limiting groove 231, and therefore stability of the threaded plate 23 during movement is ensured.
Example 3
Referring to fig. 1 and 3, a third embodiment of the present utility model is based on the first two embodiments.
In this embodiment, still include PLC controller 3, camera 4, display screen 5 and data analysis instrument, and data analysis instrument can adopt MATLAB or Python, so that carry out the analysis to the data of gathering, PLC controller 3 is located fixing base 11 left upper end, and with fixing base 11 left upper end fixed connection, display screen 5 is located fixing base 11 left lower extreme, and with fixing base 11 left lower extreme fixed connection, camera 4 is located fixing base 11's rear, and camera 4 passes through support frame and fixing base 11's back fixed connection.
The output end of the camera 4 and the output end of the pressure sensor 15 are electrically connected with the input end of the PLC 3, the hydraulic cylinder 12 and the data analysis tool are electrically connected with the PLC 3 in a bidirectional manner, and the output end of the PLC 3 is electrically connected with the input end of the display screen 5.
As shown in fig. 1 and 3, the force value is transmitted to the PLC controller 3 through the hydraulic cylinder 12 and the pressure sensor 15, the PLC controller 3 can transmit the force value to the data analysis tool for analysis, so that the pressure value and the hydraulic value error can be known, when the value error is greater than the predetermined error value, the PLC controller 3 can control the hydraulic cylinder 12 to apply different force values to move downwards, and then repeat the above steps until the error is less than the predetermined error value, thereby realizing automatic adjustment and calibration.
When the automatic pressure sensor is used, the stress block 16 is firstly placed in the inner cavity of the placing groove 111, then the connecting seat 13, the connecting block 14 and the pressure sensor 15 are driven to move downwards through the output end of the hydraulic cylinder 12, the pressure sensor 15 is enabled to be in contact with the stress block 16 downwards, further detection of the pressure value and the hydraulic value of the hydraulic cylinder 12 is achieved, the hydraulic cylinder 12 and the pressure sensor 15 transmit the force value to the PLC 3, the PLC 3 can transmit the force value to a data analysis tool for analysis, so that the pressure value and the hydraulic value error can be obtained, when the value error is larger than a preset error value, the PLC 3 can control the hydraulic cylinder 12 to apply different force values to move downwards, then the steps are repeated until the error is smaller than the preset error value, automatic adjustment and calibration are achieved, when the pressure sensor 15 is required to be removed for a long time after the pressure sensor 15 is used, the threaded rod 22 can be driven to move to one side through the rotating disc, the threaded rod 23 can be driven to move the positioning rod 24 to one side, the positioning rod 24 is enabled to be gradually separated from the positioning rod 25, the positioning rod 24 is enabled to move gradually, the positioning rod 14 is enabled to be separated from the inside the positioning hole 25, the connecting seat 14 can be accurately pulled, and the connecting seat 14 can be pulled down for being removed, or the connecting block 14 can be replaced, and the connecting seat 14 can be conveniently and the connection block is replaced, and the connecting block 13 can be pulled down and the connecting block is conveniently and the connection 13 can be pulled and moved.
Standard parts used in the file of the application can be purchased from market, and can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets, welding and the like in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, the control mode is controlled automatically by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the application belongs to common general knowledge in the art, and the application is mainly used for protecting mechanical devices, so the application does not explain the control mode and circuit connection in detail.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.
Claims (6)
1. The utility model provides a high-efficient calibrating device of test machine force value, includes test mechanism (1), its characterized in that: the test mechanism (1) comprises a fixed seat (11), the equal fixedly connected with hydraulic cylinder (12) in both sides at fixing seat (11) inner chamber top, the output fixedly connected with connecting seat (13) of hydraulic cylinder (12), the inner chamber swing joint of connecting seat (13) has connecting block (14), the inner chamber fixedly connected with pressure sensor (15) of connecting block (14), the bottom of fixing seat (11) inner chamber is provided with atress piece (16), the both sides of connecting seat (13) inner chamber all are provided with coupling mechanism (2), coupling mechanism (2) include spread groove (21), the inner wall of spread groove (21) is through bearing swing joint threaded rod (22), and the surface threaded connection of threaded rod (22) has screw thread board (23), one side fixedly connected with locating lever (24).
2. The efficient calibration device for the mechanical force value of the test machine according to claim 1, wherein: one end of the locating rod (24) far away from the threaded plate (23) extends to the inner cavity of the locating hole (25) and is movably connected with the inner cavity of the locating hole (25), and one end of the threaded rod (22) far away from the inner wall of the connecting groove (21) penetrates through the outside of the connecting seat (13) and is fixedly connected with a disc.
3. The efficient calibration device for the mechanical force value of the test machine according to claim 1, wherein: the bottom of fixing base (11) inner chamber has seted up standing groove (111), the bottom of atress piece (16) extends to the inner chamber of standing groove (111) to with the inner chamber swing joint of standing groove (111).
4. The efficient calibration device for the mechanical force value of the test machine according to claim 1, wherein: one side fixedly connected with limiting plate (211) of screw thread board (23), spacing groove (231) has been seted up to one side of spread groove (21) inner chamber, the one end that screw thread board (23) was kept away from to limiting plate (211) extends to the inner chamber of spacing groove (231) to with the inner chamber sliding connection of spacing groove (231).
5. The efficient calibration device for the mechanical force value of the test machine according to claim 1, wherein: still include PLC controller (3), camera (4), display screen (5) and data analysis instrument, PLC controller (3) are located fixing base (11) left upper end, and with fixing base (11) left upper end fixed connection, display screen (5) are located fixing base (11) left lower extreme, and with fixing base (11) left lower extreme fixed connection, camera (4) are located the rear of fixing base (11), and back fixed connection of camera (4) through support frame and fixing base (11).
6. The efficient calibration device for the mechanical strength of the test machine according to claim 5, wherein: the output end of the camera (4) and the output end of the pressure sensor (15) are electrically connected with the input end of the PLC (3), the hydraulic cylinder (12) and the data analysis tool are electrically connected with the PLC (3) in a bidirectional manner, and the output end of the PLC (3) is electrically connected with the input end of the display screen (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837485.7U CN221099950U (en) | 2023-10-23 | 2023-10-23 | Efficient calibrating device for force value of test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837485.7U CN221099950U (en) | 2023-10-23 | 2023-10-23 | Efficient calibrating device for force value of test machine |
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| Publication Number | Publication Date |
|---|---|
| CN221099950U true CN221099950U (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322837485.7U Active CN221099950U (en) | 2023-10-23 | 2023-10-23 | Efficient calibrating device for force value of test machine |
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| Country | Link |
|---|---|
| CN (1) | CN221099950U (en) |
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2023
- 2023-10-23 CN CN202322837485.7U patent/CN221099950U/en active Active
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