CN216246202U - Automatic tester for service life of displacement sensor - Google Patents
Automatic tester for service life of displacement sensor Download PDFInfo
- Publication number
- CN216246202U CN216246202U CN202122744696.7U CN202122744696U CN216246202U CN 216246202 U CN216246202 U CN 216246202U CN 202122744696 U CN202122744696 U CN 202122744696U CN 216246202 U CN216246202 U CN 216246202U
- Authority
- CN
- China
- Prior art keywords
- sensor
- bottom plate
- movable support
- service life
- tested
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an automatic tester for the service life of a displacement sensor, which comprises a mechanical assembly, wherein the mechanical assembly comprises a bottom plate, the upper part of the bottom plate is provided with a fixed part for fixing a sensor to be tested, a driving part capable of reciprocating on the upper part of the bottom plate and a measuring part fixed on the side edge of the bottom plate; the driving part comprises a linear motor fixed at the other end of the bottom plate, the linear motor is connected with a lead screw, a movable sliding block is arranged on the lead screw, the movable sliding block comprises a movable support, the movable support is arranged on the lead screw, a weighing sensor is arranged at the upper part of the movable support, the other end of the weighing sensor is a hook connected with a steel rope of a sensor to be measured, and at least one positioning rod parallel to the lead screw is further inserted in the movable support; the measuring part is a scale. The utility model has the advantages of simple structure and convenient operation, greatly reduces the repetitive labor of testers, reduces reading errors, reduces the damage to the tested sensor and the measuring instrument, prolongs the service life of the tested sensor and the measuring instrument, and is suitable for wide popularization and application.
Description
Technical Field
The utility model relates to the technical field of aviation test equipment, in particular to an automatic tester for the service life of a displacement sensor.
Background
When the displacement sensor is used for a life test, the test period is long because the test procedure of the displacement sensor requires that the steel rope of the displacement sensor is stretched for a plurality of times. At present, a hook is mounted on the vernier caliper after the mounting fixture is mounted, and a tester repeatedly and manually moves the vernier according to test rule times to read the reading of the vernier caliper so as to achieve the specified displacement of the test. The method can not display the tensile force, and the steel rope is easy to be damaged due to too long stretching; moreover, the repeated labor of the tester is large, the error is easily generated by reading for many times, and the sensor is easily damaged when the cursor moves at an excessively high speed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic displacement sensor life tester which reduces repeated physical labor of testers, accelerates the test speed and the test reliability and ensures that a sensor is not damaged.
The utility model is realized by the following technical scheme: an automatic tester for the service life of a displacement sensor comprises a mechanical assembly, wherein the mechanical assembly comprises a bottom plate, the upper part of the bottom plate is provided with a fixed part for fixing a sensor to be tested, a driving part capable of reciprocating on the upper part of the bottom plate and a measuring part fixed on the side edge of the bottom plate; the driving part comprises a linear motor fixed at the other end of the bottom plate, the linear motor is connected with a lead screw, a movable sliding block is arranged on the lead screw, the movable sliding block comprises a movable support, the lower part of the movable support is arranged on the lead screw, a weighing sensor is arranged at the upper part of the movable support, the other end of the weighing sensor is a hook connected with a steel rope of a sensor to be measured, and at least one positioning rod parallel to the lead screw is further inserted in the movable support; the measuring part is a scale capable of displaying the displacement of the sliding support.
In order to better implement the utility model, further, the fixing part is composed of a fixing plate vertically fixed at one end of the bottom plate, a through hole is arranged in the middle of the fixing plate, the sensor to be measured is fixed at the back of the fixing plate, and a steel rope of the sensor to be measured penetrates out of the middle of the fixing plate and is fixedly connected with a hook at the other end of the weighing sensor.
In order to better realize the utility model, the fixing plate is rectangular, the four corners of the fixing plate are respectively provided with a pressing plate capable of adjusting the height, and the pressing plates can press the four corners of the sensor to be detected so as to firmly fix the sensor to the back of the fixing plate.
In order to better realize the utility model, the system further comprises a control assembly, wherein a controller and a display are arranged on the control assembly; the movable support is characterized in that a control circuit board is further arranged on the bottom plate, the control circuit board is respectively electrically connected with the linear motor and the weighing sensor, a connector electrically connected with the control circuit board is further arranged on the bottom plate, the control circuit board is connected with a cable of the control assembly through the connector, the controller controls the linear motor to operate through the control circuit board, the movement of the movable support is further controlled, and the display displays the bearing numerical value of the weighing sensor.
In order to better realize the utility model, a sliding proximity switch is further arranged on the bottom plate and on the positioning rod, the proximity switch is electrically connected with the control circuit board, and the movable support stops moving when triggering the proximity switch.
In order to better implement the utility model, further, the hook is provided with a fixed bayonet matched with a steel rope in the sensor to be tested.
In order to better implement the present invention, further, the scale is a digital display depth gauge.
The working principle of the automatic tester is that the controller controls the linear motor, the linear motor controls the movable sliding block to slide on the scale, the displacement sensor is uniformly loaded, the weighing sensor on the scale transmits a tension value to the display in real time, when the movable sliding block triggers the proximity switch, the movable sliding block stops sliding, the automatic tester stops working, after a set time, the controller controls the movable sliding block to slide on the scale in a return direction, and the displacement sensor is uniformly unloaded. The above operation is repeated in the next cycle until the life test is completed.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
(1) the utility model is mainly applied to the life test of the displacement sensor, the sensor is convenient to clamp, and the test operation is simple; the fixed plate clamps the sensor through the pressing plate, the steel rope of the sensor is directly hooked with the movable sliding block, and the design of resetting the tension and the displacement is adopted, so that the error influence of the length of the steel rope on the displacement in the traditional test method is solved.
(2) The utility model solves the problem that a displacement sensor is damaged due to misoperation of a tester, the movable sliding block adopts a design of a weighing sensor and a hook, the weighing sensor is connected with the control assembly through the connector, the pulling force is transmitted to the display in real time, and when the pulling force is greater than a specified value, the controller software automatically controls the linear motor to stop continuously loading, so that the maximum pulling force is kept unchanged. The linear motor drives the movable sliding block to have adjustable loading and unloading speed and adjustable loading and unloading distance, and the loading and unloading are uniformly carried out, so that the problem that the steel rope quickly rebounds to hit the sensor is solved;
(3) the utility model solves the technical problem of manual operation error, the service life test cycle number of the concrete sensor is small, the repeated labor of testers is less, the reading of the vernier caliper is required to be read when the steel rope is stretched every time, the error reading is not easy to occur in more test cycles, and the method is suitable for wide popularization and application.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic front plan view of the present invention;
FIG. 2 is a schematic top plan view of the present invention;
FIG. 3 is a perspective view of the mechanical assembly of the present invention;
FIG. 4 is a schematic view of the mounting structure of the sensor under test of the present invention
Fig. 5 is a schematic perspective view of the sliding block according to the present invention.
Wherein: the device comprises a pressing plate 1, a fixing plate 2, a movable sliding block 3, a scale 4, a connector 5, a display 6, a controller 7, a proximity switch 8, a bottom plate 9, a mechanical assembly 11, a control assembly 12, a linear motor 13, a measured sensor 14, a weighing sensor 15, a movable support seat 16, a hook 16, a positioning rod 17, a driving screw rod 18 and a control circuit board 19.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
the main structure of the present embodiment, as shown in fig. 1 to 5, includes a mechanical assembly 10, where the mechanical assembly 10 includes a bottom plate 9, a fixing portion for fixing a sensor 13 to be measured is disposed on an upper portion of the bottom plate 9, a driving portion capable of reciprocating on the upper portion of the bottom plate 9, and a measuring portion fixed on a side of the bottom plate 9; the driving part comprises a linear motor 12 fixed at the other end of the bottom plate 9, the linear motor 12 is connected with a lead screw 17, a movable sliding block 3 is mounted on the lead screw 17, the movable sliding block 3 comprises a movable support 15, the lower part of the movable support 15 is mounted on the lead screw 17, a weighing sensor 14 is arranged at the upper part of the movable support 15, the other end of the weighing sensor 12 is a hook 16 connected with a sensor 13 to be measured through a steel rope, and at least one positioning rod 18 parallel to the lead screw 17 is further inserted in the movable support 15; the measuring part is a scale 4 capable of displaying the displacement of the sliding support 15.
The specific implementation way is that the specific steps are as follows:
a) the steel rope of the displacement sensor to be measured penetrates through the hole in the fixing plate, the steel rope of the sensor is hooked on the movable sliding block (3), and the sensor mounting disc is fixed through the pressing plate.
b) The mechanical assembly and the control assembly are connected using a cable. The position of the movable sliding block is manually adjusted, so that the steel rope of the sensor is not stressed and freely extends to the maximum length, and the zero setting button on the controller is used for controlling the scale and the display to carry out zero setting.
c) And starting the automatic tester for the service life of the displacement sensor, and enabling the movable slide block to reciprocate according to the preset value of the software.
d) And the tester operates pause and continue buttons on the controller according to the position of the test protocol to control the movable sliding block to move and stop.
e) And after the test is finished, cutting off the power supply on the control assembly, and taking down the sensor.
Example 2:
on the basis of the above embodiments, the present embodiment further defines the structure of the fixing portion, as shown in fig. 1 to 5, the fixing portion is composed of a fixing plate 2 vertically fixed at one end of the bottom plate 9, a through hole is provided in the middle of the fixing plate 2, the sensor 13 to be measured is fixed on the back of the fixing plate 2, and the steel cable of the sensor 13 to be measured is penetrated out from the middle of the fixing plate 2 and is fixedly connected with the hook 16 at the other end of the weighing sensor 12. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 3:
in this embodiment, on the basis of the above embodiment, it is further limited that the fixing plate 2 is rectangular, and the pressing plates 1 capable of adjusting the height are disposed at four corners of the fixing plate, and the pressing plates 1 can press four corners of the sensor 13 to be measured, so that the sensor 13 is firmly fixed at the back of the fixing plate 2. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 4:
the present embodiment is further limited on the basis of the above embodiment, and further includes a control assembly 11, where the control assembly 11 is provided with a controller 7 and a display 6; still be provided with control circuit board 19 on the bottom plate 9, control circuit board 19 is connected with linear electric motor 12, weighing sensor 14 electricity respectively, still be provided with the connector 5 of being connected with control circuit board 19 electricity on the bottom plate 9, control circuit board 19 passes through the cable junction of connector 5 with control assembly 11, controller 7 passes through control circuit board 19 control linear electric motor 12 operation, and then control movable support 15's motion, display 6 shows weighing sensor 14's bearing numerical value. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 5:
in this embodiment, on the basis of the above embodiment, it is further defined that a slidable proximity switch 8 is further disposed on the bottom plate 9 and on the positioning rod 18, the proximity switch 8 is electrically connected to the control circuit board 19, and the movable support 15 stops moving when triggering the proximity switch 8. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 6:
the present embodiment is further defined on the basis of the above-mentioned embodiment, and the hook 16 is provided with a fixing bayonet matched with the steel rope in the sensor 13 to be tested. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 7:
in the present embodiment, on the basis of the above-mentioned embodiments, the ruler 4 is further defined, and the ruler 4 is a digital display depth gauge. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
It is to be understood that the operation principle and operation process of the components such as the linear motor 12 and the control circuit board 19 according to an embodiment of the present invention are well known in the art and will not be described in detail herein.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The automatic tester for the service life of the displacement sensor is characterized by comprising a mechanical assembly (10), wherein the mechanical assembly (10) comprises a bottom plate (9), a fixing part for fixing a sensor (13) to be tested, a driving part capable of reciprocating on the upper part of the bottom plate (9) and a measuring part fixed on the side edge of the bottom plate (9) are arranged on the upper part of the bottom plate (9); the driving part comprises a linear motor (12) fixed at the other end of the bottom plate (9), the linear motor (12) is connected with a lead screw (17), a movable sliding block (3) is installed on the lead screw (17), the movable sliding block (3) comprises a movable support (15), the lower part of the movable support (15) is installed on the lead screw (17), a weighing sensor (14) is arranged at the upper part of the movable support (15), a hook (16) connected with a tested sensor (13) through a steel cable is arranged at the other end of the weighing sensor (14), and at least one positioning rod (18) parallel to the lead screw (17) is further inserted into the movable support (15); the measuring part is a scale (4) capable of displaying the displacement of the movable support (15).
2. The automatic tester for the life span of a displacement sensor according to claim 1, characterized in that the fixing part is composed of a fixing plate (2) vertically fixed at one end of the bottom plate (9), a through hole is arranged at the middle part of the fixing plate (2), the sensor (13) to be tested is fixed at the back of the fixing plate (2), and a steel rope of the sensor (13) to be tested is penetrated out from the middle part of the fixing plate (2) and is fixedly connected with a hook (16) at the other end of the weighing sensor (14).
3. The automatic tester for the service life of the displacement sensor according to claim 2, wherein the fixing plate (2) is rectangular, the four corners of the fixing plate are provided with the pressing plates (1) capable of adjusting the height, and the pressing plates (1) can press the four corners of the sensor (13) to be tested, so that the sensor is firmly fixed on the back of the fixing plate (2).
4. The automatic tester for the service life of the displacement sensor according to any one of claims 1 to 3, characterized by further comprising a control component (11), wherein the control component (11) is provided with a controller (7) and a display (6); still be provided with control circuit board (19) on bottom plate (9), control circuit board (19) are connected with linear electric motor (12), weighing sensor (14) electricity respectively, still be provided with connector (5) of being connected with control circuit board (19) electricity on bottom plate (9), control circuit board (19) pass through the cable junction of connector (5) and control assembly (11), controller (7) pass through control circuit board (19) control linear electric motor (12) operation, and then the motion of control movable support (15), display (6) show the bearing numerical value of weighing sensor (14).
5. The automatic tester for the service life of the displacement sensor according to claim 4, characterized in that a sliding proximity switch (8) is further arranged on the bottom plate (9) and on the positioning rod (18), the proximity switch (8) is electrically connected with the control circuit board (19), and the movable support (15) stops moving when triggering the proximity switch (8).
6. The automatic tester for the service life of the displacement sensor according to any one of claims 1 to 3, characterized in that the hook (16) is provided with a fixed bayonet matched with a steel rope in the sensor (13) to be tested.
7. The automatic tester for the service life of the displacement sensor according to any one of claims 1 to 3, characterized in that the scale (4) is a digital display depth gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122744696.7U CN216246202U (en) | 2021-11-10 | 2021-11-10 | Automatic tester for service life of displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122744696.7U CN216246202U (en) | 2021-11-10 | 2021-11-10 | Automatic tester for service life of displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216246202U true CN216246202U (en) | 2022-04-08 |
Family
ID=80996375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122744696.7U Active CN216246202U (en) | 2021-11-10 | 2021-11-10 | Automatic tester for service life of displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216246202U (en) |
-
2021
- 2021-11-10 CN CN202122744696.7U patent/CN216246202U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102692200A (en) | Device for automatically detecting spool displacement of electromagnetic valve with high precision and method thereof | |
| CN110095216B (en) | Two-dimensional prestress applying device and working method thereof | |
| CN211402594U (en) | Impedance test equipment of spring probe | |
| CN216246202U (en) | Automatic tester for service life of displacement sensor | |
| CN113916661A (en) | Testing device for foam deformation and resistance | |
| CN113253100A (en) | Testing device and detection system | |
| CN211123137U (en) | ICT light sensation test fixture | |
| CN208704919U (en) | Temperature measurement card test fixture | |
| CN216484323U (en) | Testing device for relation between foam deformation and resistance | |
| CN213023440U (en) | Quick detection device of PCB circuit board | |
| CN211205123U (en) | PCB thickness measuring device | |
| CN209182156U (en) | Knob three-dimensional pressure test machine | |
| CN219475171U (en) | Computer-type peeling force testing machine | |
| CN214200980U (en) | Universal testing machine for steel stretching | |
| CN110823684A (en) | Steel tensile property measuring device and system | |
| CN219890935U (en) | Reinforcing steel bar tension detection experiment device | |
| CN212255665U (en) | High-precision electromagnet suction testing device | |
| CN215525020U (en) | Testing device for optical cable bending | |
| CN211825447U (en) | Perpendicular tensile test machine of electromagnetism pedestal | |
| CN217901935U (en) | Probe crimping device and point measurement machine | |
| CN212059310U (en) | Push-pull force detection equipment | |
| CN216482639U (en) | Pin height detection equipment of connector | |
| CN217787350U (en) | Automatic short circuit test device for electrolytic cell | |
| CN220961572U (en) | Compact adjusting device for probe card test | |
| CN220626005U (en) | Board bending test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |